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NOW Heating & Air can help you take steps now that can save you from the discomfort of a malfunctioning unit when the temperatures rise. We can also save you money, too!

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HVAC Service in Denver, CO

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Denver’s Premier HVAC, Plumbing, & Electrical Contractor

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If You Need It Done Today, Call Now

Since 1989, we have provided expert service for residential and commercial HVAC installation, repair, and maintenance in Denver, Boulder, and the surrounding areas. Whether you need new system installation or system retrofit, our professional technicians will assess your needs and provide a system for your home or business that will exceed your expectations.

Our technicians have extensive training and experience with the heating and air conditioning units we install, as well as all other types of residential systems to ensure efficient air conditioning and heating repair for your home. We provide repair, replacement, and preventative maintenance for air conditioners, furnace repair, furnace replacement, heat pumps, air duct cleaning, humidifiers, and more.

Interested in joining our team? Learn more about open positions with our premier team!

What We Provide

Furnace Repair

During Colorado’s cold front, a homeowner’s worst nightmare is a malfunctioning furnace. Homeowners need to be aware that just because a furnace is functioning doesn’t mean that it is working safely or efficiently. That is why our technicians are available in the Denver area. Call us today for a free quote on a furnace repair.
Furnace Repair Services »

Air Conditioning Repair

If you’re experiencing an AC unit malfunction, our team will react promptly and use the proper tools and equipment to get the job done. From making simple adjustments to complete system overhauls, we deliver a blend of professionalism and honesty. You’ll value our detailed attention and competitive pricing.
Air Conditioning Services »

Water Heater Repair

We understand that having a water heater emergency requires a sense of urgency. Our 24-hour emergency service ensures that you won’t be charged overtime or for a trip charge with repairs. Our technicians have seen it all. With our continuous training and experience in the industry, you can trust our team to repair your water heater today.
Water Heater Services »

Boiler Repair

Our goal at Now Heating and Air is to provide expert service for residential and commercial boilers. If your home needs a boiler service or repair, call us today to schedule an appointment in Denver and the surrounding areas. Whether you need a new system installation or a system retrofit, our professional technicians will assess your needs.
Boiler Repair Services »

Mini Ductless Systems

Going with a mini ductless AC system offers many perks. While most people have had a chance to look at ductless heating and cooling systems, or maybe they’ve seen a small device on the wall there are still quite a few questions about how they work and what the advantage is. Our team can help you make the best decision on a mini ductless system.
Mini Ductless Installation »

Air Duct Cleaning

Air Duct Cleaning provided Now Heating and Air is the most sought-after air duct cleaning service in Denver, CO. Clean air ducts are an important component to having a clean home, and therefore it can be a great idea to clean your vent system. Clean air can promote healthy living and may also minimize reactionary symptoms due to poor indoor air quality.
Air Duct Cleaning »


Now Heating and Air HVAC Contractor in Denver, CO

Do You Need HVAC Service for Your Business?

Do you need HVAC service for your business? We offer a full range of commercial heating and air conditioning services. Our expert technicians provide superior service to cover all your HVAC needs and more. In addition to commercial air conditioner and heater repair, replacement, and preventative maintenance, we offer commercial plumbing, refrigeration, and electrical services.

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Don’t Take Our Word for It

Why Choose Now Heating & Air

40+ Local and National Awards
3 Year Service Guarantee With Repair
On Time Installs - “Guaranteed”
No Breakdown Guarantee, or We Come Back for Free
No Trip Charge With Any Repair
Highly Rated and Reviewed

Furnace Repair & Furnace Service

Are you worried that your old furnace isn’t going to be able meet the demands of your home during the cold Colorado winter months? One way you can get extra peace of mind is to have one of highly trained, skilled, and friendly heating technicians perform expert Denver furnace repair and maintenance services. You can call Now Heating and Air before there’s a problem to make sure you get the full life out of your furnace.

If your furnace or boiler isn’t working, it can be a frustrating moment, not to mention it can get cold real quick. A broken furnace can make your home uncomfortable and even dangerous if left unrepaired. Now Heating and Air has been in business since 1998 so we have the skill and expertise to get your heat back on fast and make sure that it stays on. And you can rest easy knowing our furnace repairs are backed by a 100% Satisfaction Guarantee.

Our trained technicians will come to your home to diagnose your furnace. You can rest easy knowing that we’ve seen it all and can provide you an in-depth analysis of what your furnace repair will be. They will give you a detailed report of the problem and the recommended repair. You will know the cost of the technician performing the repair. There is no surprise costs or hidden fees; all our work is done with flat-rate pricing.

We can help you clean your furnace too! A clean furnace is more efficient, helping save you money on your heating costs during our Colorado winters. A clean furnace also is safer and helps provide your home with clean, warm air during the heating season. Furnace cleaning and inspection of all the ducts and components is important. No matter what furnace repair or furnace service you’re looking for, Now Heating and Air can help! Call us today!


Years of Experience


5-Star Reviews


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Proudly Serving These Great Communities & More!

Offering Heating, Cooling, Water Heater, and Other Services to Denver, Longmont, Arvada, Boulder, Westminster, Brighton, Thornton, Aurora, Broomfield, Loveland, Lafayette, Lakewood, and more.
See our full coverage area below:

  • Arvada
  • Aurora
  • Brighton
  • Broomfield
  • Boulder
  • Centennial
  • Cherry Hills
  • Commerce City
  • Denver
  • Erie
  • Englewood
  • Evergreen
  • Golden
  • Henderson
  • Lafayette
  • Lakewood
  • Littleton
  • Loveland
  • Longmont
  • Louisville
  • Parker
  • Superior
  • Thornton
  • Westminster

Contact Us Now

8661 Rosemary St
Commerce City, CO 80022


Hours of Operation
Monday – Friday: 7:30 AM – 6:00 PM
Saturday: 9:00 AM – 5:00 PM

Professional HVAC, Plumbing, & Electrical Services in the Greater Denver, CO Service Area


Now Heating & Air
8661 Rosemary St
Commerce City, CO 80022

Phone 303-287-8000