During a recent 90 plus degree heatwave, our AC went out and we were in need of assistance. We…read morecalled Herchenbach and their response was immediate. Brian D. was our technician, and he was professional, knowledgeable, and very kind. We were very pleased with the service and will not hesitate to use Herchenbach for future HVAC needs.

Highly recommend Herchenbach Mechanical for your HVAC needs in Lake County. They are family owned…read moreand operated. A few years ago, my old AC from the 1990s was in need to be replaced. I decided to go with Herchenbach Mechanical after comparing a couple other places in the area. Scheduling an appointment was easy. Curtis and his team came over and installed the AC unit fairly quickly. They were very professional and courteous. Fast forward to a few days ago, my kid decided to throw pieces of chalk down the pipes. I called Herchenbach Mechanical to schedule a time and date that works for me. They will email and text you to confirm your appointment. On the day of your appointment, they will also send you a photo of the technician that will be over. Adam, the technician, was very friendly, knowledgeable, respectful and on time. I told him what happened and he explained what he would need to do to get the chalk out from the pipes. I also scheduled them to clean my AC as well. After Adam finished using the hose from the backyard, everything was neatly put back the way it was. He didn't leave anything out or left a mess. When he was inside the house, he would immediately put on those disposable shoe covers without me having to ask. Herchenbach Mechanical has always provided great, friendly service when I needed them. I have nothing but good things to say about Curtis and his team. Again, highly recommend them! You won't be disappointed.

I am extremely disappointed with my experience with this HVAC company…read more I originally called them because I was having an issue with my outdoor HVAC unit. After looking at it, they told me the unit was bad and needed to be replaced. I trusted their recommendation and paid over $3,000 for the replacement/repair. The work was done quickly, and the system worked fine for about a year. This season, the outdoor unit stopped turning on. I had another HVAC technician inspect it, and he told me the issue was caused by a hole left in the welding during the installation, which allowed the Freon to slowly leak out over time. Because the Freon was completely gone, the repair is now much more expensive. To be sure, I had a second technician inspect it as well, and he gave me the same explanation. I reached out to this company to discuss the issue. They answered my first call, but after that, my repeated calls and emails have gone unanswered. That is extremely frustrating, especially when the problem appears to be related to the installation work they performed. My sincere advice is to be very careful before hiring this company. In my experience, they did not stand behind their work or properly respond when I needed help after the job was done. I am very disappointed with the quality of the installation and the lack of customer service afterward.

Outstanding service and outstanding crew! I went through 5 contractors to replace my furnace and I…read moream so happy I chose this team! Better Climate Zone you all are a great team to work with and I look forward to doing business with you in the future. I also plan to share your contact info. with family, friends, and co-workers

Great company, they have now replaced my furnace and AC unit. The company is quick and all…read moreemployees are very nice.

Prompt response and arrival , fixed issue by replacing capacitor. Local business, Highly recommendedread more

Mr. Duct sent Miguel out to clean our ducts. He did a great job. For those looking at duct cleaning…read moreservices, you should look for National Air Duct Cleaners Association (NADCA) certified shops. You should also shop around because some places offer bonus services that you may or may not need, or may even be hazardous to the occupants of the home, like sealants or chemicals. Check the EPA page on "Should You Have the Air Ducts in Your Home Cleaned?" for a thorough treatment of the topic, though note that it's much less enthusiastic about duct cleaning than people's subjective experiences, especially people with allergies or sensitivities, or if you've just done a remodel. I'd refer to "Is it worth it to get your air ducts cleaned?" on r/homeowners and "Is air duct cleaning a scam?" on r/hvacadvice. With that out of the way, Miguel cleaned our ducts quite thoroughly. He inserted the vacuum to the air handling unit. This would provide the negative pressure to ensure most of the dust and debris would go to the vacuum. Then he use a air compressor to knock loose the dust at each register and as far into the ventilation as he could push the nozzle. My registers unfortunately went up towards the attic, so dust was guaranteed to get knocked loose into the room, so we had to vacuum. This would have gone smoother if Mr. Duct had sent a partner with Miguel. Miguel was also very helpful in airdropping the photos of the ducts to my phone, which was important because we were trying to identify what might be triggering allergic reactions. For roughly $300, it was very reasonable. I would recommend Mr. Duct to those who need duct cleaning services.

I recommend this company, they were able to fit me in the same day service at a great price! The…read moregentleman that did my air ducks and dryer vent was okay, a little bit careless and worked rushed. I wish he would've been more careful and taken his time he would have better work quality. He broke my ring holder while moving furniture around (I got credited back) and left residue of the dust behind. Price was good, I would hire them again but not have the same gentleman do the project.

Igor has been servicing our two furnaces and AC systems for a number of years. He is super reliable…read moreand trustworth. He shows up when he says he will. He does excellent work at fair prices. He will not upsell you. He is very knowledgeable and practical. He has replaced 2 furnaces and a compressor for us over the years and each project went smoothly. He stands behind his work 100%. We have gone through a handful of other HVAC techs over 23 years, with Four Seasons being the worst. ID Mechanical is the best and I can recommend Igor and ID Mechanical without hesitation. Ed Lau

Igor was a huge help in fixing our AC. we had a weeks-long issue getting a contractor assigned in…read moreJuly via our home warranty due to availability and our spacepak system. Once assigned, Igor made us a priority with no AC and a baby at home, doing everything he could to expedite the repair and reduce the out of pocket cost for us after the home warranty picked up only part of the cost. I will definitely be using ID Mechanical going forward. Igor and his team were great to work with and went the extra mile to keep my family cool and safe.

Yesterday, 7/2/2026 I called Keith at Premier Heating & Cooling because my ac wasn't working…read more later that afternoon/evening, James came out and fixed my issue. Premier H/C are the best at what they do!! Reasonably priced too! Great local family business!!!

After settling into our home for a year, I realized we still didn't have an HVAC company. I got…read moreahold of Premier through Yelp and they couldn't have been more prompt. They were out to the house in 24 hours for just a routine service. They were super courteous and thorough, plus they made suggestions for better care of our systems that didn't cost a dime. We're looking forward to a great ongoing relationship with the company.

Jason did high quality work at a very competitive price when he did maintenance on my heating unit…read moreand humidifier. Good honest work at a good price. What more could I ask for?

My water heater went out. The company that "diagnosed" the problem charged me $99 and said that…read morethis did not include the cost to replace it. The company then quoted me $2200 as the cost to replace it and reiterated that this did not include the $99 that they already charged me. So yes, had I gone with that company, it would have cost me $2300. Armed with this information, I posted pictures and exactly what the "diagnosis" said and asked for emailed quotes...to be clear I said EMAIL only. I then got no less than 10 phone calls saying "please give us a call so we can talk about your situation. Some called more than once. Lakeland Heating and Cooling (Jason) was nothing like that... $1270 flat rate to replace the water heater. Yes, thats how he replied in his email.. as I requested. He came in.. with the water heater... replaced it... and went on his way. Other companies, that followed directions, also came in higher than $2000. I am EXTREMELY satisfied with Jason and Lakeland! High Quality, Tremendous VALUE

Well, my air conditioning stopped working, and now it's working. The serviceman was very polite and…read morefriendly. Everything is good.

Needed AC repair. Vernon Hills Heating and Cooling was recommended by my brother in law. Couldn't…read morehave been happier with the service. Expected a big bill but it was less than I expected!

A neighbor uses this company so we decided to hire them to do maintenance on our unit. The man who…read morecame out told us our HVAC hasn't been properly cleaned by the other company we used for years, he told us that he needed to use a hose to clean it and our balcony would get flooded with the water. He also said it would take several hours, we weren't able to have him do anything the day of our appointment because we had to leave in 2 hours. He left and said we'd get an email to reschedule our appointment. We didn't get an email so I reached out and never heard back from them. On top of that, our AC stopped working after he left, we hired another company and found out Beckman Bros intentionally broke our unit!

Great family owned company. We have used them for all of our heating and cooling issues for years,…read moreand have always had great interactions. The technicians are very knowledgeable and are always able to resolve our issue within minutes of arrival.