Heating & Air Conditioning / HVAC near Palos Heights

“Very happy. Good, honest people. Showed up when he said he would every time. Fair price. Good workmanship. Cleaned up after the install. I couldn't be here, but Mike explained everything to my wife very clearly.“

“Jacob Anderson the general manager really went above and beyond to explain everything to me about the new HVAC system being installed by my mothers house. Very trustworthy and reputable company. Upholding warranties and very competitive pricing.“

“James was very polite and explained what he was doing. He asked if I had any questions after the maintenance check.“

“I am a Senior Widow. On Thursday, my furnace shut completely down and was blowing only cold air! Outside the temperatures were in the 20s and it was frigid inside.
I found PRECISION HVAC through Google, and it was truly a blessing! They came out that afternoon and ran some tests.
At first, they thought they could make some temporary adjustments, till I decided if I wanted a new furnace, but as we continue to have conversation, the Carbon Monoxide Meter showed that carbon monoxide was leaking from my old unit, at a rapid pace! They were forced to shut the whole unit down!

They contacted their estimator, Peter, who came later that evening to discuss a new furnace and various prices. On his way to seeing me, he stopped at the office and brought two Space Heaters, for me to use for that evening and Saturday the next day, until the new installers could get to me at noon.
I was truly touched by the fact that Peter would think of my well-being, and bring space heaters on his own!

I am enjoying my new Trane Furnace, and have already referred a new client to them, and have told our manager of the condo complex about their efficiency, professionalism, and reasonable prices. Needless to say. I HIGHLY RECOMMEND PRECISION HVAC … 5 STARS ‼️“

“Coordinator Elisha was terrific: kept me informed of when technician would be here; Rich Lewis boiler tech was also tops: readjusted settings and cleaned burners - obviously knows his trade well. Reasonable charges. I can't say enough good. Definitely will call Maertin again - Love you guys“

“Love JC Heating and Cooling. They fixed both of my AC and furnace and have great customer service. I use them for maintenance and my system has been working flawlessly!“

“Both Jake and Ben were very professional and knowledgeable. They were timely in responding , diagnosing, and repairing my wall heater issue.“

“Josh is personable and professional.
Explained things very clearly. Offered advice re: mice a filter.
I really appreciate the bio that is sent re: the technician providing the service. It's nice to have as I congratulated him on his new baby daughter Brinn.?
Happy Holidays to everyone and Comfort Zone. Thank you for the years of excellent service.“

“My mini split was not working I called at like 4:45 pm, my call was picked up was told I would have someone at the house between 8-10 am following day. I was like you don’t know the address, she had it based on prior service call. With the heatwave I did not expect next service or that kind of retention information held. I forgot to mention…they fixed my cooling device and got me back to working from home!! Great ? company!!!“

“Alex from WAN-Tuck . Heating was able to turn my heat on after TWO - other heater companies could not …..I had my aquastat replaced by the second contractor that came to my home . However my heat still kept shutting on and off and eventually it didn’t turn on and my PSI was all over 50 / 60 / 70 The second contractor admitted he did not know what was wrong with my boiler…. That’s when I had to call. Wan-Tuk as they were the ones that installed it in 2008 Never had any issues till now 2025 I have never maintained my boiler ….. I never flushed expansion tank never did anything. I bleed my heaters here and there……. That should’ve been a clue to me of the quality of the work that WAN - Tuck provides since 2008 no issues / no maintenance till now …………As far as the second contractor that replaced the aquastat disrupted my PSI and did not know how to fix it … before new part was installed my PSI was between 15 and 16………… Alex from WAN-Tuck adjusted the temperature on the aquastat which was set above what it should be set for my boiler (the second contractor missed this detail) ….. Alex got my heat turned …… And my heat stayed on and didn’t shut off anymore….Alex tried to flush my expansion ( to regulate PSI ) but tank valve wouldn’t budge so I had to have it replaced ….. I still have my heat …… Thank you Alex from WAN -Tuk for being Courteous / polite and knowledgeable…..and for taking your shoes off before coming in my house / a lot of heating people won’t even ask…. The moral of my story is, I tried to shop around to save money, but in the long run, I spent more if I would’ve just reached out to Wan -Tuck in the beginning I would not have spent as much as I did on the first and the second contractors ….. in the end, Alex…. Diagnose and repairs were cheaper than the first two contractors and with good results heat stayed on my PSI went down to 20 after expansion tank was emptied and refilled …….“

“Very satisfied with the total experience and the technicians that came to the house .“

“I had an awesome experience with my technician. Professional, explained the problem in detail and gave reassurance that the problem could be solved. I solve problems for a living. This young man did a phenomenal job.“

“United Heating & Cooling technicians were knowledgeable, professional, and trustworthy. They explained in detail what repairs my HVAC needed and how they can be fixed. I highly recommend calling United Heating & Cooling for any HVAC issues or questions.“

“They are highly professional very knowledgeable and super dependable. Call them you won't be disappointed. I am so happy someone referred them to me. They are honest.“

“Honest and professional. Saved me $1500+ another company quoted for unnecessary and overpriced work.“

“Sal is the best. My AC was underperforming and Sal was able to diagnose the problem. He spent time checking the system thoroughly and explained everything to me before discussing the solution. Very professional. Other HVAC companies, especially the one's that heavily advertise on TV, would have wanted to replace the condensing unit and would have not solved the problem. Sal replaced the liquid line filter drier and thermostatic expansion valve. He used nitrogen gas to clear the system and recharged with R 410A. System is working perfectly.
Sal cares about what he does and his knowledge of HVAC systems is remarkable. Sal is honest and very fair with pricing.
I would recommend Pinnacle HVAC, LLC for all your HVAC needs. Honesty, Integrity, Fairness, Excellence.
Sal will be my guy going forward as well as all my family.
Thank you Sal.“

“I had a very positive experience with HVAC Buddies today. Eric was on time, very professional, and very knowledgeable. Scheduling and communication were very prompt and easy. I'll definitely be using them again in the future.“

“B & Z is the best. Bob and his crew responded very quickly and helped me make the right decision on a new furnace and AC unit.

Unlike many HVAC providers I’ve worked with, Bob carries and can provide any of the major brands, so he does not push one brand and upsell for more than you need. He did a thorough analysis and test to determine the appropriate size systems and gave me options on good, better, best and associated pros and cons.

Most importantly Bob is honest and trustworthy. Quick response, comprehensive evaluation and recommendations, competitive and fair pricing and high quality installation. Highly recommend B & Z!“

“The two gentlemen, Arnie and Gene that installed my entire new HVAC system were awesome! They were extremely professional and clean. I would use them again in a heartbeat.“

“Had Comfortmate service my Navien combi boiler last fall.Had my vents and AC serviced just recently. Very impressed with the service and the technicians. My heating and cooling systems are working like brand new.“

“I Have ALWAYS had top notch service from the phone calls to the pleasant and informative professionals who service my home and business! You Have ALWAYS been a top notch service for me and my family over 30 years..Thank You!“

“I’ve been working with Parliament Builders, Inc. for over 10 years on multiple properties in Chicago, and they’ve been nothing short of excellent. Their HVAC service is top-notch, and their customer service is always responsive, professional, and reliable. Highly recommend!“

“There was big misunderstanding the first they came around. But after speaking with the owner he made it a mission to figure out what I really needed. He send out a tech with many years of experience and was able to help me with my issue. Afterwards the owner called me again to ensure I was satisfied with everything. I give the owner big props in helping me out even though Im sure he’s a very busy guy.“

“We know Heat Engineering people for as they put heating and cooling system, when we built house 30 years back. Very professional, response time was prompt so was delivery of service. price is now little expensive side but you get what you pay for.“

“Joe has been nothing short of amazing with our repair needs. I am incredibly grateful for the service my family has received!“

“Air Source 1 installed our furnace a couple of years back and was great then, we have continued to use them yearly for maintenance and always find the service quick/easy and very affordable.“

“Bloomingdale HVAC installed my new AC and Furnace. It was a great experience. Competitive price. Peter Wakley was very helpful during estimate, explained everything, answered all questions, even supervised the day of installation. Installation team lead by Angel. Assisted by Nick and Jordan. Whole crew was amazing. They focused on every single details and concerns. Very Happy with their work. Highly recommend.“