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    Window HQ

    4.6 (20 reviews)
    Closed 9:00 am - 5:00 pm
    Updated 2 months ago

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    Adam M.

    Working with Justina and Murph was great. We are doing a full home remodel and selected Window HQ to order our Marvin windows from as well as have them do the installation. From start to finish they were complete professionals. They are very responsive and would make themselves available day and night to discuss our project. When it came time to install the windows / doors their crew did a great job. I wouldn't hesitate to recommend them for a job and would use them again. Can't say enough good things about the work and service they provided. Above and beyond.

    What a pleasant experience it was working with the owners Justina Sigle and her husband on picking out and installing a large "fiberglass" Picture Window by Marvin? When Mr. Sigle came out to measure my large old Picture Window that I wanted replaced, I also showed Mr. Sigle my granddaughter's vinyl window in her bedroom. In short, it would hang-up and wouldn't open. Interestingly, Mr. Sigle told me the vinyl window itself was still in good condition, but the slide mechanism just needed a little tweaking adjustment. Twenty minutes later, the window opened and closed perfectly. When I offered to pay Mr. Sigle for his time and effort for fixing the window, he refused to take my money. A couple days later I got a very fair price from Justina and placed my order for a large Picture Window by Marvin (i.e., sturdy fiberglass construction, Low E-3 glass with Argon Gas.) A few weeks later, Window H.Q.'s installer named Tim came out and demoed-out my damaged old window and installed my beautiful large Picture Window by Marvin. My new window is gorgeous and Tim and his crew did a great job with the installation process. In closing, I highly recommend the Window H.Q. Company in Costa Mesa to anyone looking for a quality replacement window for their home or office. And, very nice people to do business with. Bob S. Norco, CA

    Christian P.

    Great Business, very professional with top of the line products. They can offer also affordable solution.

    Very professional and efficient crew
    Medi B.

    Top notch team, we scheduled bill for measurements and he was on time and ready. Bill was very attentive to our needs and explained in detail the benefits and negatives of each type of window. Two weeks after measuring we scheduled the install. It was a crew of three and they knocked out the job in a few hours. Great work and highly recommended!

    My gorgeous doors

    I had my front doors designed and installed by Windows HQ and I couldn't be more thrilled. Murph and son Jake did an exceptional job....everyone that sees it is in awe. It transformed my entire entry way into relaxed joie de vivre as I look thru them into a beautiful entry garden. The finish work was extremely important to me as I am such a perfectionist and it couldn't be happier, inside and out. I give Windows HQ 10 stars.

    The five vinyl windows were replaced by these casements.  Worth every penny!

    I embarrassed to say, it has taken me over two years to write this review. My tardiness in no way conveys how happy I am with the product or service I received from HQ Windows. Prior to selecting HQ I searched high and low for a quality window company I felt I could trust as I was doing a full home remodel. I interviewed about 10 different companies. I landed with Justina at HQ and she was on spot with everything. The Marvin product she suggested was an excellent choice and I could not be happier. I would recommend this company to anyone who desired high quality products with excellent service. Bravo Justina! I still adore my windows :)

    I worked with Tim and Joy at window HQ and they were fantastic. Came out quickly, gave me a reasonable price, and my windows/slider were installed a little over two weeks after I ordered them. They look fantastic.

    Finished Project

    This review is long overdue! We were in the final stages of a whole house remodel and wanted to replace a sliding glass door and garden window in order to install some sort of folding doors. I did lots of research and then ran across a company called Window HQ, only a couple miles from our house. I went to their store and met Justina, who was professional, courteous and very knowledgeable about product options. She introduced me to Murph, who gave me a tour of his workshop and it was plain to see he is highly skilled and organized. I had Murph come out for an estimate and we decided on getting bi-fold doors made by WinDor in Brea. When the doors arrived, Murph's team did the demo and installed our new doors. They protected the interior of the house and cleaned up at every stage as they went from start to finish. My wife and I are totally satisfied with the great work they did and we love our doors. We've had several parties and have opened up all the doors making our living room part of the covered patio...perfect! Our friends and family all say what an improvement the doors make. Murph and Justina have high-integrity and we couldn't have had a better experience from start to finish. We highly recommend and trust Window HQ.

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    3 years ago

    Very helpful and kind staff members! I am very pleased with the assistance and knowledge from the staff here at window hq!

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    Justina S.

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    Ask the Community - Window HQ

    Review Highlights - Window HQ

    Justina spent a long time with us describing all the beautiful Marvin (and other brand) windows and doors at Window HQ.

    Mentioned in 8 reviews

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    The Sliding Door Repair Company

    The Sliding Door Repair Company

    4.0
    (858 reviews)

    I had a great experience with Sliding Door Repair Company. Christian was professional,…read moreknowledgeable, thorough, and kept everything clean while he worked. He took the time to explain what needed to be done and answered all of my questions. I'll admit, I had a little sticker shock at first, but the company was understanding and worked with me until I felt comfortable moving forward. I really appreciated that they were willing to find a solution instead of making me feel pressured. The repair was completed professionally, and my sliding door works great now. I would definitely recommend Christian and Sliding Door Repair Company to anyone needing sliding door repairs.

    I called for a repair and they showed up the guy was really helpful and we scheduled the repair for…read moremy french door glass replacement. Just called (Monday June 1st at about 455pm) to check on the order and an approximate date, the guy explained some stuff about the order, when I tried to ask him questions, he literally would not let me talk, he kept cutting me off and continued to talk, not even allowing me to ask my questions. When I asked his name he hung up on me. Not sure this guy should be your representative on the phone for your company. Update James showed up got to work and did an excellent job. Cleaned up the area well gave me instructions and was very professional. I believe he is an asset to your company. Nice work thank you.

    TMC Windows & Doors

    TMC Windows & Doors

    4.6
    (120 reviews)

    Great professional service. They were punctual to start the…read morefront door replacement. They explained the process before starting and we're considerate when the front door entry was limited access while they had the stucco dry. They also verified the small detail changes in the door handle and had me try the door several times before they left. I was impressed by the end result. Huge difference in a proper working door compared to before. Great attention to detail to explain the issue with the last door. I recommend their service for Great quality work.

    If I could give them negative stars, I would because that is what they have earned. Started…read moreworking with salesman early April (omitting names so the review isn't taken down). When we told him we were not certain about the style of doors for some of the items he urged us to sign the contract to take advantage of the discount and assured us we would be able to update via a change order. Nothing would be ordered until the choices were made and the change order was executed. We have done many remodeling projects over the years and change orders are standard so we had no reason to doubt his assurances. Since then he has overpromised and failed to deliver. Every time we texted or emailed to ask about the change order status he reiterated that it was with the office, everyone was aware, nothing would be ordered and the change order would be sent - tonight, tomorrow, next day...you get the picture. After weeks of waiting for the change order so we could move on the project, we tried to escalate a number of times because based on the reviews we expected better customer service. However, we were told we needed to resolve all the miscommunications and failed follow through with the salesman that had failed to follow through. Imagine our surprise when we got a text that some of the doors were ready for installation. The salesman was shocked as he had told us nothing would be ordered until the change order was signed. In an effort to salvage the project and because we wanted to believe the salesman, we allowed for partial installation. The installation was riddled with additional issues. Wrong hardware, wrong trim, no wood molding around the door. The salesman was apologetic and did not understand why there was a disconnect. After another few weeks of messages, emails and requests to escalate, we finally got confirmation that the salesperson and the director of revenue would come to our home at 2pm on 6/22. They arrived late 30 minutes late (even though my husband had made it clear he was meeting them during his lunch hour) and the director of revenue was defensive and put all blame on the misrepresentations made by their salesman on us. During the meeting the salesman told him that the remaining doors had not been ordered. After that meeting the company STILL had the salesman follow up to ask how we wanted to proceed. He was embarrassed at that point because he was telling us the company would be able to address our concerns and they hung him out to dry. Even though it wasn't our fault, in an effort to put this nightmare behind us and NEVER deal with them again, after a few exchanges with the director of revenue, we agreed to a resolution provided they completed the project by today. No response for over a week until this afternoon when they basically said 'thanks for agreeing to letting us do what we haven't done but keep bending over backwards so we can do it in our terms'. @owner of the company you should step in sooner and not wait for the online reviews to try justifying the experience. For all those that posted 1 star reviews in the last year we should talk about options. Based on your experiences I can tell is not the individual players. It's the company.

    Hometime Windows & Doors

    Hometime Windows & Doors

    4.9
    (629 reviews)

    Awesome service from Hometime Windows and Doors from the first visit, thru the installation by…read moreDanny Alonzo and upon completion, a phone call from the owner Andrew to thank me for the business and assure me that if there is ever any questions, concerns or issues, it will all be remedied by him in a timely fashion, at no added cost. I highly recommend this operation and will say that Danny performed flawless work with professionalism, passion for his craft, positive and cheerful demeanor at all times. He was efficient, cleaned as he went and worked tirelessly the entire time he was on site, which by the way was at the appointment at the exact committed time. Thanks for a great job Hometime Windows and Doors for making our front door look great! Kurt Enderle LaVerne CA

    Exceptional Front Door Replacement - Danny Alonzo is the Best!…read moreWe recently had our front door replaced and are absolutely thrilled with the results! Our installer, Danny Alonzo, was fantastic from start to finish. He has excellent communication skills and gave us a clear, realistic expectation of the time to completion. He was incredibly friendly, polite, and professional the entire time -- I honestly wish every contractor or vendor we use could be as good as Danny! We picked a custom color and the door came out exactly the shade we chose. It's solid, heavy, and makes a huge difference compared to our old door. We had bought and pre-painted our own interior moulding, and Danny installed it perfectly with no issues at all. I'm terrible at making clean silicone joints around moulding, but he did an amazing, professional job on them. He even went above and beyond when he noticed some stucco damage around the front door. He pointed it out to us and patched it beautifully -- way better than I could have done myself, lol! The finished door looks absolutely beautiful. My wife and I weren't 100% sure what to expect, but the quality and the final result made the entire expense completely worth it. The door feels rock-solid and looks incredible. We couldn't be happier! Highly recommend Danny Alonzo and this whole service. Thank you!

    Window HQ - windowsinstallation - Updated August 2026

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