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Engineered Comfort Heating & Air Conditioning
Top Notch Heating & Air Conditioning Service in The San Gabriel Valley & Surrounding Areas. Your Heating & Air Conditioning system can make a huge impact on your lifestyle. If it's working correctly, properly sized, and maintained regularly, it can provide your family with years of perfect home comfort.

However, on the other side of the coin, an old or improperly maintained furnace and air conditioning unit can cause your energy bills to skyrocket and your indoor air quality to plunge. Consider Engineered Comfort your trusted source when you need service or repair on your existing system, or when it's time to install a new energy-efficient Home Comfort System.

We are located in Hacienda Heights, but we provide service to all surrounding cities, in fact we provide fast service to customers all over Southern California. Give us a call today so we can determine the best and fastest way to serve you! At Engineered Comfort, we treat your home like our home, with the utmost care, trust and respect.
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Engineered Comfort isn't your average heating and air conditioning contractor. We are a step above the rest - in fact, we set the gold standard for taking care of your Home Comfort requirements. I have personally experienced bad service and broken promises dealing with Home Improvement contractors on my own home.
Engineered Comfort, based in Hacienda Heights CA, is an authorized and trained Trane Comfort Specialist Dealer, providing top-level service, repair, sales and installation of Trane heating and air conditioning systems throughout Southern California.
Engineered Comfort, based in Hacienda Heights CA, is an authorized and trained Trane Comfort Specialist Dealer, providing top-level service, repair, sales and installation of Trane Commercial HVAC systems throughout Southern California.
Engineered Comfort would like the opportunity to earn your business- and your trust! As experienced providers of heating & air system equipment, service, and repair, we know how important it is for you to establish a relationship with a service company that you feel comfortable having in your home.
Engineered Comfort has been busy at work doing all levels of heating and air conditioning system repairs, service, and installations. While our portfolio of jobs and unique workplace situations is too much show here, here is a sampling of the various kind of work we do. All images actual photos from our jobsites.
Reviews (8)
Wendy Meyer
Wendy Meyer
Jul 04, 2021
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In 2007 they installed new HVAC in my condo that had a furnace from 1986 and no central air. I got estimates from 3 firms and went with Engineered because they gave me the best price and, were patient enough to explain why I needed this or that. 14.5 years later, they discovered that my AC wasn't working because the compressor had somehow gotten wet and had corroded and, my attic ducts were torn and not performing well. That'll teach me to not have it serviced regularly! Jeff and crew were at my home within 48 hours after my initial call and 3 hours later, my new AC is PERFECT!!!!!!! Truly, I will
Maria Reyes
Maria Reyes
Jan 06, 2021
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I work for a Property Management company, I’ve contracted Engineered Comfort Heating & Air and I must say I am not disappointed. These men are polite, professional and fast. They contact our tenants immediately and address repairs/replacements as needed. I would recommend them and know you will not be disappointed!
Steven Carrillo
Steven Carrillo
Nov 04, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
My unit went out of service, I called Engineered Comfort, a gentlemen by the name of Oscar received my called, I explained my problem with my unit and he told he will send some of his workers the same day. Engineered Comfort came thru and fixed my unit. I'M A VERY SATISFIED CUSTOMER ! THANX ENGINEERED COMFORT.
Tonya Carmouche
Tonya Carmouche
Oct 16, 2020
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My air conditioner stopped blowing cool air. I got a recommendation to call Oscar at Engineered Comfort. A team was sent out immediately to assess the repair on Friday. I ended up replacing the entire unit. A team of very professional & kind men showed up at the promised time on Monday. There was two men working inside my home and two on the roof with a crane. They worked very well together and completed the work in under 4 hours. Not only did they take great care of installing the new unit, they were very careful with my furniture. They covered my wood floors and very carefully removed the old
Tommy Navarro
Tommy Navarro
Sep 19, 2020
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I asked for a quote on Sunday evening and by Wednesday noon I had a whole new AC unit. I was given a range on a high level quote and the firm quote came within the set range. This tells me these guys know what they’re doing. The scope of the work replaced the heat pump/air conditioner as well as the air handler in the living quarters. I was given a whole new door for the air handler. Also, a thermostat was included in the installation. They installed an electrical line with protective conduit. The job required a crane to deliver the unit and remove the old one. There were two guys working on
M. Song
M. Song
Jul 31, 2020
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Knowledgeable, professional, fast installation, gave me options and explained to my understanding the work that needed to be done. Thank you!
Chris Gastelum
Chris Gastelum
Sep 23, 2017
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Thank you engineered comfort for the awesome AC install. This summer heat was beating on us and the new trane unit you guys installed has been amazing. You guys rock!
Angel Maya
Angel Maya
Jun 12, 2017
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Summer in Cali is always hot as usual in the summer, had one room in my house that would just not cool down. Gave them a call since they are local to me, spoke with Oscar the owner, very polite and courteous. He came over with a few of his techs to diagnose the problem. Turned out I had a duct that had been stepped on and crushed restricting airflow to that one room. They just happened to have the correct size duct with them and it was repaired in under an hour. Room was instantly cooler! Great service and very honest. I will recommend them to anybody!