We are Northern California's premier installer of Commercial and Residential Air Conditioner's & Heaters. Our professional team of technicians are available to service any size or type of system. We provide heating and air conditioning services for large and small retail stores, malls, restaurants, warehouses, apartments, hotels, offices, medical buildings, hospitals and any other commercial buildings. We don't stop there, Dennis' Heating and Air Conditioning, Inc. also provides quality residential HVAC installation and service.

Dennis' Heating & Air was born and came to life under on old oak tree in Cottonwood, CA. Our founding father at that time, Dennis himself, fabricated all his sheet metal from an old 10' brake that we still use today along with our advanced sheet metal fabrication equipment. He would make all of his materials from scratch and do all his installations himself. If need be he worked 7 days a week to make this company what it is today. At an early age, his son Jeff was taught all the ins and outs of fabricating metal.

Dennis' Heating and Air has been doing Commercial Air Conditioning installation for over 30 years. Our cooling and heating systems are the top-of-the line, energy efficient HVAC systems. We can do everything from installing, servicing and maintaining your business' HVAC unit. Our team of professional, trained experts will be able to install commercial grade units on the rooftop or ground. At Dennis' Heating and Air, we specialize in excellent service and the best possible efficient heating and cooling solutions.

At Dennis' Heating and Air Conditioning, Inc., we specialize in the finest HVAC systems and have year-round service and installation available. Our HVAC units are energy efficient and reliable. With over 30 years of experience in heating and air-conditioning installation, repair & service, Dennis' Heating and Air Conditioning, Inc. knows how to make your home comfortable. Our highly trained and professional team will be glad to service an existing unit of yours, or install a new energy efficient, state-of-art air conditioning & heating unit.

I have used Dennis' multiple times over the last 10 years- They've come to my business and had us up and running on some of the hottest days of the.

Simply amazing! They came through for me more than once when I desperately needed them and I am forever grateful. They will always be my go to.

Thank you Dennis heating and air for being able to come out so quickly and fix our A/C unit. We will definitely be using you in the future and would.

What's new?

Dennis' Heating & Air Conditioning, Inc. is seeking HVAC Service Technicians with at least one year of experience who are committed to quality work and customer satisfaction.

Posted on Jan 10, 2021  •  Facebook

Just a reminder, our office will be closed today in observance of New Year’s Day. We will have a service technician on call Saturday and Sunday for any emergent needs. Our office will re open with normal business hours on Monday January 4th.

Posted on Jan 01, 2021  •  Facebook

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