Quality and customer service are exceptional! Would highly recommend if you're looking for a lifetime product.

Had a couple young guys walking the neighborhood asking residents if they needed new windows. I had most of mine replaced recently, but my living room still had its original windows from 30 years ago. The two guys offered to have someone come out and give us a quote. I thought it would be too small of a job, after all, it was just 3 windows, plus 3 panes of glass above that, and a half circle above that. So I agreed to meet with their rep the following week. Illinois Energy Windows & Siding is one of those companies that insists on both spouses attend the initial meeting. So a nice young man came the following week, measured our windows and sat down with his laptop. I showed him what windows I had replaced less than 5 months ago. He said he needed 30 minutes of our time. After 90 minutes, he still was not done. Sensing our impatience growing, he showed us his quote. Over $29,000 for one room. I told him I had a quote from the company that recently i stalled our other windows. He agreed they were good windows. He pressed a few keys on his laptop, and poof, the price is now $21,000. I told him my quote from the other company was $7,700, and poof, the new price is $19,000. See where I'm going with this? I'm sure this company makes quality windows and I'm sure the installation is fine, and I'm confident they offer a good warranty, but the way the price moved was a clear red flag to stay away from this company. read more

I've spent several years dealing with this company, and at this point it's clear the customer service, communication, and craftsmanship are all unacceptable. I paid 10K for a front door, and the trim paint has been cracking and peeling since day one. Every "repair" has been a joke. The paint never matches, and Mark--the person they keep sending--doesn't bother to mention anything or communicate. I come home to sloppy, half‑done work that looks like a landlord special. One visit, he didn't even finish caulking the base of the door. When I asked him about it later, he said, "I ran out of caulk." That's not an excuse. That's negligence. And instead of fixing it properly, he left it for me to discover and then forced me to call again to get the job completed. It got so bad last year that I demanded the brick molding be replaced because Mark had sanded off the detailing and smeared caulk everywhere trying to cover it up. Only then did the operations manager suddenly show up--unannounced. When he finally called to schedule a real meeting, he made it worse. He told me he'd replace the trim but was "too afraid" to do the work because I'm "so picky" and would "find something else to complain about." Then he actually told me I should be happy because "the door looks good from the road." Instead of owning their mistakes, he tried to make me the problem. Today I opened yet another ticket because the paint is peeling again--on areas they've already "repaired" multiple times. Same pattern: no communication, no follow‑up, and someone shows up to slap on more mismatched paint that doesn't fix anything. This company has repeatedly shown they can't deliver quality work, can't communicate, and can't take responsibility for their own poor craftsmanship. read more

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The best custom company I've ever worked with: Kaylee& Mario are so attentive & respectful I couldn't be happier with my new Windows & Doors! Will definitely recommend them to all friends & family read more

Great company. Competitive pricing. 100% real lifetime Warranty. Which you can't find in this industry.

The cheapest vinyl siding. You can hear the wind go right through it, and heavy gusts just make the siding slap the side of the house. Just horrible quality, poor value. read more

From quoting to installation the whole process went smoothly. All employees were professional. Our new front door looks great! Would definitely recommend Illinois Energy Windows & Siding to family and friends. read more

Illinois Energy is discriminatory because they didn't want to come out and quote to me alone, a woman. I guess they only work with married couples or men. Their loss! I have a whole house that I want new windows for. read more

We were interested in replacing our siding with Hardyboard, but decided to call IEW&S. The salesman basically told us that his product was going to be the most expensive without ever giving us a quote. He then was supposed to take photos before he left. We waited to hear back from him and he never returned our call. read more

My rating was the big push to disclose who are the decision makers. The day of the appointment they looked back at a 2020 quote where they indicated i didnt make a decision bc the decision makers were not all available. Kaylee suggested to reschedule bc i still disclose if all the decision maker were going to be available . I told her I was the decision maker. This reaction leads me to believe they were going to be pushy in their sales tactics. I get it, it's their sales time but I also have the right to get quotes before making my decision. read more

I'm surprised by the low score and negative reviews, most of which seem to be due to their marketing strategy (door-to-door) and scheduling rather than craftsmanship/pricing (re: scheduling, I assume they want all of the adults in the house present during the consultation, regardless of the decision-maker (s), so there's no "I need to speak to my wife/husband/partner" and having to schedule a second meeting). I do understand the frustration, however, I don't think it's a fair assessment. I used Illinois Energy for window replacement. The consultation process was informative and thorough. The representative took the time to understand my requirements and offered valuable suggestions. They patiently answered all my questions, which helped me feel confident in my decision. The installation team was punctual, courteous, and I feel, highly skilled. They worked efficiently and with great attention to detail. They thoroughly cleaned up and worked with care. The quality of the windows is outstanding. Not only do they look beautiful, but I can also feel the difference in temperature and noise reduction immediately. It's clear that Illinois Energy uses top-notch materials and craftsmanship. Furthermore, the pricing was competitive, and there were no hidden costs or surprises along the way. The entire process was transparent, and I appreciated their commitment to customer satisfaction. I received quotes from 3 different companies and ultimately went with Illinois Energy based on price, craftmanship, and warranty. Windows are expensive! All of the windows in our house need to be replaced, so we are doing it in "phases." I will 100% continue to use Illinois Energy for the entire project. Just remember, you get what you pay for! Overall, their team was professional, efficient, and skilled. The windows are high-quality, and the difference is noticeable. Competitive pricing and transparent process - highly recommend giving them a try! read more

We are very pleased and impressed with the excellent service we received from Illinois Energy Windows & Siding. The entire process was a pleasant experience with each employee involved and the beautiful results.They truly delivered the exemplary service, which they advertise! I highly recommend Illinois Energy Windows & Siding to anyone, who is in need of their services. They certainly strive and deliver excellence! I believe you too will be very pleased with your experience. Each employee works together as an amazing team! Their lifetime transferable warranty provides peace of mind for us and future owners by reassuring if there any issues at all, you simply call them and it will be taken care of. We believe we made the right choice of choosing them over their competitors. They are a company you can count on and trust! Debbie, Kaylee, and Jessica are the dynamic trio for customer service calls! Debbie had a warm, personable welcome when I initially called. She patiently answers all your questions and sets up the appointment for the initial quote. Kaylee and Jessica are both friendly and consistently fast and efficient in connecting you to the appropriate contact within the company. Mario has a caring heart, a great listener, easy to talk to, and strives for making things happen! Joe has a caring heart, very personable, patient, detailed, thorough, fast, efficient, and professional. He does an exceptional presentation of the company! He is one you can trust when making your decision to hire them. Nate is personable, patient, understanding, very customer service oriented, and professional. On the day of the patio door replacement, we felt very blessed to have the dynamic duo of Adam and Patrick, who have such a synchronized system that they barely need to speak to each other. Hence, it only takes them around 2 hours to complete a full patio door replacement, which is quite impressive! Adam, having 30 years of experience, instantly provided me with peace that it would be completed successfully. Adam and Patrick were both personable, fast, efficient, and very customer service oriented. They cleaned throughout the replacement process and left the area spotless. Their results were fantastic! Everyone was wonderful including Dominic, who came for measurements and Jill, who scheduled the installation appointment. Jill was also fast, efficient, and thorough as she took care of the final details such as providing a certificate of insurance to our condo association in order for the installation to be completed. The final employee, who was involved in the process, was Anthony. Anthony finalized the project. Anthony is their talented serviceman of 10 years, who was a gentleman, full of energy and enthusiasm, knowledgeable, fast and efficient as he resolved a slight issue that we had with our existing blinds and the newly installed framework. Anthony did a great job rectifying the situation. Our blinds operate freely again. All is great! Thank you so much to everyone involved with our patio door replacement. We love it! Well done! read more

So Tony comes by (door to door) and I sign up for an appointment as I've been wanting to replace my windows as they've been getting drafty. Not looking for anything fancy, just replace the existing 20yo windows with the same ones. Today, Mario calls to confirm the appointment, and I confirm that I'm still good for it. He starts his sales pitch on the call and I politely ask to leave it for the appointment as I gotta hop on a meeting in a bit. He asks if my wife will be there and I let him know she's working and won't be joining us. He asks to reschedule and I decline and explain that my wife and I both agreed to just go with the same window design we already have. Here's where things got strange. Mario was adamant about my wife being there. I just couldn't figure out the angle. Went back and forth about how she's not going to take off of work for a sales pitch and wound up just cancelling and will now look elsewhere. read more

Hello, my name is David and I am a U.S. Army vet and former employee of IE. I want to first say that IE does offer an amazing product. The windows are of the highest quality and everything is made custom for your home which is something truly unique. However, what's also unique is how horribly the business has been ran. I started working here about 3 weeks ago, and since I started it has been a downhill experience. Initially I was met with open arms and a hope that I would have a great experience working here. I was connected to the manager Jeff by a good friend of mine since I had been struggling to find a new job during the pandemic. Before the pandemic hit I was going to college full time and helping run a non-profit business that helped veterans like myself find jobs in the music festival industry. Since the live music industry took a big hit I decided to take the year away from school and work for the time being so my fiancé and I could move into our first home together. On the day of my interview my first red flag was that no one around the office wore a mask. I had opened up to Jeff about how important it was that people were being safe and he at first seemed to understand the struggles people were going through because of the pandemic, but on my first day of work I soon realized this company had no care for its employees health. All the canvassers who worked door to door sales would all drive packed into cars out into neighborhoods all day with no masks on. Some would even go up to people's doors and not even wear a mask while talking to them. Around this point and time I began to express concern to my fiancé and I began looking for a new job. About a week later I noticed Jeff wasn't coming into the office anymore and I would see Paul, Mario, and other management speaking in private and not really giving any answers on if people were getting sick. My fiancé and I woke up that Sunday and we felt horribly ill. I called off work with my fiancé and we both went and got tested. I reached out to one of my co-workers who also wasn't feeling good and he had said he couldn't smell or taste anything. That is when I knew something was wrong. My friend who referred me to the position then shared with me that Jeff had posted on Facebook the day before that he has been in the hospital with Covid and Pnuemonia, and I had not been made aware that I was in close proximity to someone who tested positive. People continued to not wear masks while at work, and drive in packed cars. Before this Jeff was training high school in closed space not wearing masks and being very close to people. I wore a mask all day at work so thankfully my fiancé and I did test negative for the virus. When I returned to work I demanded that I not drive with everyone else and drive my own vehicle. Only after I said that did they enforce everyone driving in their own vehicles, but even up until the day I quit yesterday people were still driving together and not social distancing in the slightest bit. Jeff and the other managers have created a truly toxic environment. Jeff laid in a hospital bed near death and didn't have the sympathy or remorse to correct his wrong doings. When I put in my two weeks they told me it would be better off if I left right away and didn't come back. On a final note if you have younger kids working here please have them find other employment. Jeff during training would let high schoolers smoke vapes literally right in front of him, and would talk about movies he likes to watch such as "Honky Holocaust" and make racial and sexist jokes around the office. I made this post because during this time it's important to keen people safe and provide a safe work environment for employees, and Illinois energy is not doing that. This is a great product and service they are offering, but the canvassing department is a ticking time bomb heading towards disaster. I have served my country and run my own business prior to this year and like to believe I know how to do the right thing and show good leadership. If I was sick and knew that I could have just gotten all my employees sick I would have made that known. There are some great people working here who truly want to get better in the sales world and learn about the industry, but the people in charge are their ultimate downfall. Thank you for reading. read more

Illinois Energy Windows & Siding - Windows Installation Near Me - Lisle, Illinois

please stay away from this place. Set up for a estimate. The sale rep advised me or what I need or whom had to be here. She made it a point to tell me they replaced and wouldn't fix my patio door. so rude. When I advised her she was rude and I should cancel my estimate she said ok. wow do your self a favor and don't waste your time read more

Illinois Energy Windows & Siding - Windows Installation Near Me - Lisle, Illinois

Honestly, they just come and knock and bother you throughout the night when you might be sleeping. The amount of solicitation is insane and they are so annoying, waking up babies and getting dogs barking. Do yourself a favor and go somewhere else. read more

Illinois Energy Windows and Siding won't stop calling no matter how many times I ask them to stop.  I have a brand new house that won't need windows or siding for decades to come, yet I'm sure they'll still be calling by then. If I don't answer the phone they follow up with robo- texts. I'm going to update this review with every unwanted call and text until they stop.  This company's sales tactics are absolutely ridiculous. Update 04/06/2021: SHOCKING!! IEWS is back to calling me again. Isn't it illegal for them to keep calling after you ask to be taken off their list? These people have been calling me for windows and siding for going on eight years. EIGHT YEARS! read more

Illinois Energy Windows & Siding - Windows Installation Near Me - Lisle, Illinois

Mike came to my house for a quote on new windows and doors and reluctantly I agreed and gave him a deposit check to hold. When I called the next day I was told Mike had to come back out so I could sign papers and get my check back. It was two more hours of high pressure sales until I finally told him no. He then stole my paperwork and cashed my check that I told him wouldn't have funds. No answers to my calls so now I'm dealing with the police over this headache scam company. Beware. read more

Illinois Energy Windows & Siding - Broken window - Windows Installation Near Me - Lisle, Illinois

We had our windows and Sliding glass door installed 2 years ago from Illinois Energy. over the past two winters our home has been much more comfortable and we cannot hear the wind whistling through the back windows anymore (the back of our home faces north and sits beyond an open field) . not to mention with the absurd costs that energy bills have gone up we absolutely could not be happier with the substantial savings we have recognized. Thank you Illinois Energy read more

I'm so pleased with the windows installed by Illinois Energy Windows. When I had a question about the tilt-out feature, I received exceptional support from both the website (blog) and the support department. My questions were answered quickly and expertly, with kindness and concern. Thank you for great service! read more

Mike came to talk to me about door and window replacement and there were so many options. I really love the new look of the house, the company was easy to deal with, everything was scheduled and installed in a timely fashion and when I called after installation with a concern, someone was sent that afternoon to address my concerns. I definitely would use the company in the future and recommend the company to anyone who needs window/door replacement. Everyone I worked with through the process was very professional and courteous, definitely 5 star service! read more

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We had an appt set up for 5:30 today to discuss siding, windows and a new front door. They call me to confirm the appt and the first thing she mentioned is that the siding will probably cost more than what the insurance paid yet she doesn't even know what was paid for replacement or what we would pay extra, kind of a rude tone too. She went on about how their siding is very expensive high quality siding and I said great, we we are looking for quality siding. Then she starts asking about my wife and if she will be there, I let her know she would not be here, she had last minute appt and could not attend. Long story short they wanted to reschedule since my wife wasn't going to be here and they said it would be at least a 60-90 minute visit. I had to work around some things for this appt to make it happen so I am not happy about it but based on interaction its probably a good thing. I chose not to reschedule. read more

I had an appoinment set and they called to confirm that my wife would be available to meet inorder to see their product and colors. I would be making the decision since half of my windows have already been replaced in our house and all I needed was a match. Still push back and they were suggesting a reschedule so she can be available. They said they would call back and when my appointment time came and went I called to see if the rep was coming. They said he called my cell phone to cancel which did not happen becasue I have no record of it on my recent call list. To make a long story short I did not reschedule due to how difficult it was just ot get a rep to my house and how they maybe if I had issues with the windows. Big dissapointment. read more

After calling to obtain a quote they requested that all homeowners be present I did let them know that we are business owners and that is not possible to have that. Even after I explained I would be the decision maker regardless the rep went ahead and stated they would not be able to give me pricing and I should find another company. That's a great business model and training! read more

Had a sliding door put in, they did a fantastic job on it, followed up after the install to make sure I was happy. Great quality door, good price, outstanding service again by these guys. read more

Called for a siding quote. The woman asked if all the decision-makers will be there I said yes. I own the home and am the only decision-maker. She said so you are not married. I said that was a personal question and I do not want to answer. She explained that they want to make sure that the correct people are at the meeting so there are no mistakes. I said again I own the home and am the only decision-maker. I told her I pay the bills, I own the house no one else, and I make all the decisions. However, this was not good enough for her she wanted to know my marital status. . This went on for a few rounds and I finally hung up. There are so many scammers out there I will not give any more information than necessary. read more

Their employees disregard no-solicitation and no trespassing signs, which means that they have individuals who either can't read or simply have been instructed to disregard such signage. Would never do business with a company that has no respect for property rights. read more

Needing to take the time to review Illinois Energy for windows that were installed in my home. I will tell you there is nothing harder than shopping for windows for your home. I can think of numerous things that is easier do like teeth extractions, removing a bot fly from my eye lid, shopping for a car, etc. There are so many companies to choose from and some many options and variations. I cannot tell you this is the company to use. It's the same reason why you chose to buy the car you are currently driving. Yours and my opinions and criteria differ from each other. That's what makes the human population so unique in the animal kingdom. My wife and I started shopping for windows quite some years ago. We entertained many window companies, some being REALLY expensive and some quite CHEAP. Tristan at Illinois Energy was one of the representatives sent to our house. I will say, Tristan is a really nice guy and super humble. He will talk to you like a human being and not down or at you. He will talk to you. There's a difference. Some guys will tell you, you need, their windows. Others may not. Tristan was really understanding when he was told that we were shopping other companies as a smart and educated consumer should do. We got our quotes from several companies and decided new windows for the home was out of our pricing range at that moment. Fast forward to present day. We called back the three companies we really enjoyed talking to, as we were financially ready to make a purchase for our home. Tristan from Illinois Energy really stuck out out in our minds because he was the most succinct and seemingly honest about windows. One company we had over was here for hours and hours. The salesmen, (yes, this is plural), were very friendly and if I didn't like them in my house I would've asked them to leave. The big turn off for me was, this is our price scheme, but if you decide to go with us today we can do it for a lower price. We'll give you 10 minutes to think about it. They go out to their car, put supplies away and chit chat. They then come back even after telling them you're not ready to sign on the dotted line, they say how sorry they are but wait! If you sign on the dotted line today we can knock the bill down substantially and you call all other appointments and cancel them right now! That's not how I roll. I believe in everyone getting a fair chance to be heard. I figure, if that price is good only for today, then that price should be good for a few weeks. We did our due diligence and researched the companies on The Better Business Bureau. The cheapest company had complaints but I believe it was mostly due to scheduling errors and things of that nature and had been registered on the BBB for at least 12 yrs. The best price today company if you don't act had numerous complaints on the BBB mostly regarding warranty replacement of windows and parts. They were only registered with the BBB for the last 2 yrs but oddly we are were quoted by them over 3 yrs ago and they claim to be a local company for over 40 yrs. Illinois Energy had one complaint on the BBB and Tristan, our salesman was named in it. Tristan never hid that fact and informed us about it. After reading the complaint it appears the blame could fall on the homeowner and the salesman. It looks like a miscommunication between the parties. Here's what we found out about Illinois Energy. They've been registered with the BBB since 2002 and the one and only complaint was from the last 3 yrs. Finally, we decided on Illinois Energy. I can't tell you how they stack up to other window companies. I don't know if I got the Rolls Royce of windows or the Chrysler of windows. While they were not the cheapest they definitely weren't the most expensive. I am hoping that for the price we got the Honda of windows. A contract was signed and the order was submitted. Now, we were told ordering manufacturing and installation of the windows could take anywhere from 12-20 weeks. I am an understanding person and this was completely understandable to me. To be fair, I believe the windows were installed about the 13th week after signing. Windows were installed in early February, quite a chilly month, but they were installed in a day. I will say I noticed a difference in temperature in the house that evening. As of today as I write this, the furnace definitely isn't cycling nearly as much as it was with our old drafty windows. I am really looking forward to this summer to see if our cooling bill reduces or not. Do we recommend Illinois Energy for your window needs? We do. Purchasing windows is a lifetime commitment for you and the home. The best part is, the lifetime warranty on the windows is transferable to new home owners, should you ever sell your home. Screens included. We liked their options of style of window, color vinyl for windows, etc. Could I have done this job myself? We are pretty handy but this was a rabbit hole we weren't willing to go down ourselves. I am happy w read more

We had our windows installed a couple of months ago by the crew at Illinois Energy (phase 1). They did a great job and the end result was far better than expected. The build quality of the windows are very impressive along with the fit and finish work. We were reluctant to spend so much money on "windows" but the quality and craftsmanship speak volumes. I'm very happy with the end result and would definitely recommend this company to others. The window warranty is solid with a lifetime transferable warranty. Financing was extremely good! We are hoping to get the 2nd phase done here in a few years including the front door. After the new windows, I now need to paint the trim..... Lol read more

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Made an appt for Saturday morning to get a quote for siding. Explained when scheduling that our homeowners insurance was requesting quotes, was told that they do not work with insurance-I said that was fine & just needed to get a quote. Wanted other homeowners info- gave name only- but he needed to be present. Told me they would call Saturday before coming & we needed to answer the phone or they would not come. Saturday confirmation call person starts questioning the appointment & then cancels as we would be wasting their time due to their high end, expensive siding. Told me once I had money from insurance they would then meet with us. As the customer- they actually wasted my time, and took the 1 free Saturday morning I have had in 8 weeks for no reason. The bright side - a bullet has been dodged. We will go elsewhere for siding & any future work they could have provided. read more

Agree with other reviews. This company is a sham. They come to houses without permission and keeps pestering to take free estimate. Even though I told umpteem number of times, I don't need estimate, he wouldn't leave our house. So I asked him to give free estimate just to get rid of him. Now the company keeps on calling saying we filled out a form for free estimates. Never use this company which pesters customers like this. This tells that they can't get customers through referrals. Stay away from this sham company. read more

Mine was a smaller siding job.. approx. 400 sq. Ft. The agreed upon price was $4600 for insulated vinyl siding. First let me start with the good. Good price to start with. Sales guy was decent although a little hurried. Now the bad. The quote was vague. I wanted my old wood siding taken out and that was the understanding I had when I talked with the sales person. I also wanted an additional 1 inch insulation board added underneath the siding. A foreman was supposed to come and talk to me but never did. They never shipped the foam board. So I ended up having to call them and get a quarter inch foam board installed on top of my existing wood siding (so much for having it removed). They charged me an extra $300 to have the foam board installed. Then they demanded an extra $300 when i asked them to tape the seams of the foam board but I was able to negotiate/ quarrel out of that. Now this is the 3rd day that I have a pile of scrap on my front yard that the company is supposed to pick up. Overall very frustrating experience. If you choose this company, make sure that the quote is very detailed and lists everything you want. Unless you will end up having a frustrating experience like I did. read more

Did a good job with installation and all but when it comes to customer service they are dead last. Me and my wife have been calling for a week or so and left multiple messages and have neither of us have received a call back!! We payed extra for the warranty but when it comes down to them coming to fix something nobody answers or returns a call. This has happened multiple times. Don't waste your money read more

We recently had our windows and front door done by Illinois Energy. Our salesman Nate was great and patient working with my wife on her choice for the front door. Our house is finally warm now in the winter as we had 35 year old original windows in the home that would have ice on the inside during the really cold nights. We couldn't be happier with our products and services from this company. read more

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Good customer service, fair prices. Would highly recommend. From start to finish they were attentive to my needs and professional.

Meet them at the DG Fest and Later they stalked me until I gave them the opportunity to give me a free estimate.. (the free water gun wasn't worth it). 1. They demanded that my wife be there... difficult because she works too. 2. The estimate was so over top I couldn't believe it. All I needed was siding, not a room addition. 3. Then when I wouldn't sign he started with the high pressure tactics...... 4. I called back a week later with a question and they never returned my call. Stay away unless you want to be pressured into a over priced deal. read more

Our back patio door had been leaking for awhile, especially when the rains come from the west ( its a west facing door). And the window next to its seal had broken and it was all cloudy. They were both 20 years old and builders grade. Every stage of the way Illinois Energy was very professional and they use quality materials. We are very happy with the end result, it looks awesome and the team that was sent for installation was excellent and did wonderful work. We highly recommend this company (plus they have a transferable lifetime warranty). Next year the front windows!! read more

Had a door knocker today at my house. I am actually in the market for windows and siding. I looked at his flyer and saw the color siding my wife and I were wanting, so I said go ahead and set me up for an appointment. Got a call from another lady calling to confirm my time, and I was still good for that time. She insisted that my wife be available and I said she might be but if not, I can handle it because we know what we want and it's my project to work on. She was so pushy that I said to lose my number and she agreed pretty quickly. I feel bad for the sales team here because you have folks that work hard to generate leads and it takes a bad experience like this to lose the lead. read more

Made an appointment for 2pm to have them quote us on doors and windows, for a property we are purchasing. Drove 45 minutes to the property and we get a call saying they wont come out until we close on the property. Even though we told her all of this before we ever even made an appointment!! So we went out to the property for nothing. The whole point of the quote is to build the prices into our construction loan, which we need before we close. And apparently they dont give quotes. We are investors and we do a lot of houses in Chicago. So they just lost the business on this 12,000 sqft house and any future houses we do. Great business strategy. read more

I'm in sales, President & CEO of a digital/influencer marketing company I stared in college 20/years ago. One thing that really gets me fired up is some random company salesmen (From Illinois Energy Siding & Windows) ringing my doorbell peddling windows and siding. Not only am I busy working, watching my kids at home but to listen to the guy continually ramble on with run-on sentences telling me I need windows and doors. Entry door is brand new which anyone would tell and windows are like 10/years old (just like the entire subdivision). They asked crazy stuff like when my wife will be home, would be okay to call, how big my "junk" is and if it's okay to estimate the house. Something about a spring discount (GTFO of here) of 20% before prices increase, yada yada yada. No more Soliciting please or next time I will not be as nice and provide you with not only with a negative review but an army of them. Use a solid company that doesn't constantly nag you. If you're in the south/north city, Newtec Windows cannot be beat (they run their own manufacturing factory and are great). They did 3/houses of mine since 2008. If you live in south suburbs, go with Window Worx in Joliet, hands down. These two companies are the cream of the crop with crazy impressive pricing and results. read more