Premier HVAC, Plumbing & Electrical Services in Denver

When it's time to go indoors, you want a reliable air conditioning system you can trust to keep you comfortable on the hottest of days. Our licensed HVAC experts can repair, upgrade or replace your AC system to maintain maximum comfort!

Is your furnace acting up, blowing cold air, or making too much noise? Don’t get left in the cold! Our experienced team of heating and cooling professionals will help keep your home or business comfortable and safe throughout the year.

We provide prompt, professional electrical services when you need it most for your family. Don't get left in the dark—call us right away! We can troubleshoot problems, upgrade your circuit panel, rewire rooms, and tackle any other project to improve your comfort!

Our licensed plumbers can tackle any job at your home or business, from troubleshooting hidden leaks to replacing old pipes. Whether you want to upgrade your water heater or add new bathroom fixtures, give us a call. We know how to make homes comfortable and safe!

Mother and son sitting near window of Thornton, CO, home, reading a book together.

Impact Heating & Cooling is committed to providing the best in service and customer satisfaction to commercial and residential customers in every aspect of the way we conduct business. Contact us today and learn how Impact Heating & Cooling can help you achieve your goals!

High Efficiency Heating and Cooling logo.
Great Peaks, Inc., logo for furnaces, boilers, and air conditioners.

Impact is proud to announce we recently acquired High Efficiency Heating and Air Conditioning, and Great Peaks Heating and Air. We will continue to provide customers with exceptional service under the Impact Heating & Cooling name.

High Efficiency Heating and Cooling logo.
Great Peaks, Inc., logo for furnaces, boilers, and air conditioners.

Impact is proud to announce we acquired High Efficiency Heating and Air Conditioning, and Great Peaks Heating and Air. We will continue to provide customers with exceptional service under the Impact Heating & Cooling name.

See What Our Customers
Are Saying

Gas Furnace Repair in Westminster, CO 80031

“Jesus and Angel were outstanding. They performed the work ( which had a degree of difficulty) in a professionally competent manner. We happily endorse Impact.”
- Michael Z.

Garbage Disposal Repair in Denver, CO 80230

“Troy is a pleasure to work with, knowledgeable, efficient, effective. I would ask for him for any plumbing repair we need.”

- Ted L.

Maintenance Maintenance in Cherry Hills Village, CO 80113

“Very knowledgeable, professional and service oriented.”

- Wayne M.

Maintenance Maintenance in Denver, CO 80401

“Always a great experience with Impact Heating and Cooling. Fair and transparent pricing for your maintenance membership. Excellent service that is efficient. Technician is always on time and appreciate the updates on arrival.”

- Kim K.

The Latest News From Impact

Close-up of a gas furnace flame.

How Do I Know I Have a Cracked Heat Exchanger?

November 21, 2025

Our experienced furnace repair technicians will inspect and diagnose your furnace issue and resolve the concerns you are having.

Read More
closeup, background, no people.

How Does My Furnace Affect My Home’s Indoor Air Quality?

November 14, 2025

When the temperatures drop in Denver, nothing feels as comfy as turning up the heat and cozying up indoors.

Read More
10 Things to Consider When Buying a New Furnace. Close up photo of a gas furnace flame burner.

10 Things to Consider When Buying a New Furnace

October 24, 2025

Winter in Denver is shaping up to be especially harsh this year. Can you imagine not having your furnace to help you make it through?

Read More

We Service All Brands!

Certifications & Awards

North American Technician Excellence (NATE) logo.
Air Conditioning Contractors of America logo.
Carrier Logo.
2024 Carrier President's Award.

Local Experts You Can Trust

While our local weather is a year-round challenge, Impact Heating & Cooling, Plumbing & Electric never takes your comfort for granted. We provide affordable and reliable solutions to heat, manage humidity, chilly temperatures, air quality concerns, and any residential or commercial demand. Our highly trained technicians, plumbers, and electricians have the experience and resources to take on every scope of project. From new construction and updates to repairs and seasonal maintenance, we can assist with your entire with through our quality service.

Proudly Serving Thornton, Denver, Boulder,
And Surrounding Communities

Charitable Services

The act of helping others, donating to charity, or volunteering our time, gives us a sense of wellbeing. The knowledge that our time and/or money is helping others in need to be a positive change in the world is a beautiful thing.
At Impact Heating & Cooling we work with charities to get the opportunity to build our social circles and really get to know the communities we serve.

Colorado homeowner dropping off a box of food at a charitable giving event.

We Offer Financing Options!

Carrier Factory Authorized Dealer

When it comes to finding a new AC unit, furnace, or heat pump, you can trust Impact Heating & Cooling. With years of experience and training, we will work hard to ensure your home is comfortable and satisfying. Whether you need a new system installed, service on your current equipment, or just some advice on what would be best for your home, we've got you covered.

Family of four entering home with Carrier air conditioner overlayed, symbolizing comfort and reliable home cooling solutions.

We’re A Carrier Factory Authorized Dealer

When it comes to finding a new AC unit, furnace, or heat pump, you can trust that Carrier Authorized Dealers are the best in the business. With years of experience and training, we will work hard to ensure your home is comfortable and satisfying. Whether you need a new system installed, service on your current equipment, or just some advice on what would be best for your home, Impact Heating & Cooling has you covered.

Our Maintenance Plans

When it comes to your home’s comfort, you can never be too safe.That’s why Impact Heating & Cooling offers the best preventative maintenance service in the industry, so you can keep your heating, ventilation, and air conditioning (HVAC) equipment running smoothly for years to come. As a member of our service plan, you’ll enjoy an annual system maintenance service, as well as many other benefits that will keep you comfortable all year long. From discounts on repairs to priority service in the event of a breakdown, we’ve got you covered.

So don’t wait; join Preferred Partner Program (P3) today and rest easy knowing your home is in good hands.