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We install, maintain, service, and repair a wide variety of residential and commercial HVAC equipment. Is your heating system acting up, blowing cold air, or making too much noise? Don’t get left in the cold! Our experienced team of professionals is here to keep your home or business warm, comfortable, and safe.

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Horsetooth Heating and Air is the leading company for all of your air conditioning and cooling needs. We install, maintain, service, and repair a wide variety of residential and commercial HVAC equipment. Our technicians are qualified professionals who will get the job done right for your home or business.

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At Horsetooth Heating and Air, we have the equipment and expertise to ensure your home is properly ventilated and comfortable throughout the year. Breathe easy—and count on Horsetooth for your indoor air quality diagnosis and solutions.

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Horsetooth Heating and Air is your trusted partner for all your plumbing needs. We specialize in clearing drains, repairing leaks, installing upgraded fixtures, and offering high-quality, efficient solutions to ensure your plumbing systems function smoothly.

We are a locally-operated HVAC company with highly-trained and certified contractors ready to respond to any request for heating or air conditioning repair, replacement, or maintenance service, including furnaces, air conditions, boilers, rooftop units, and anything else that heats or cools. We specialize in Rheem products and guarantee the best quality every time. We are based out of Fort Collins, CO, but happily travel the beautiful front range to perform services.

Have a question about your AC or heating system? Feel free to call us or fill out our Request Service form below. We’re happy to answer any and all of your questions and promise to do so in a timely manner. We strive to be professional, yet approachable, in everything we do.

READ WHAT OUR CUSTOMERS HAVE TO SAY

“Justin was easy to work with and very thorough. He fixed multiple items eventually culminating in a replacement water heater which has made a world of difference.”
- Tanya B.

“Horsetooth took care of my leaky water heater. Great staff…Justin and Dylann were efficient and friendly. I love that they took care to provide new venting and drainage for the new water heater. 5 stars!”

- Marie E.

“We had our old furnace and AC replaced with a heat pump system. Ben was astounding from first walk around the house to dropping off a cold air return cover weeks after our install for a return that was in a wall but changed to in-floor with the remodel we have underway. I do not recall the install tech's names – we've had a lot going on here – but they were amazing, too. Very professional and respectful of our property and great attention to detail. Our installation required running several new lines, cutting out drywall ceilings – a lot of disruptive work that was completed without interfering with my ability to work in my home office except for a few hours. Misha and everyone else in the office have all been great, too. We had only two small issues with the installation – the inspection scheduling was overlooked, but that was corrected promptly, as were the inspector's notes after inspection. I have nothing but good things to say about Horsetooth and everyone I've dealt with there. Always pleasant and professional and very responsive, and I already committed to a maintenance plan with them because they are the only HVAC company I want to have work for me.”

- Michael K.

EXPLORE OUR FINANCING OPTIONS

We have a number of different options that we can tailor to best fit your heating and cooling needs. Speak with one of our experienced sales representatives today to learn more about our rental and financing options. No matter what your needs, we will find a way to meet or exceed them!

WE ARE LENNOX PARTNERS

Horsetooth Heating and Air is your trusted source for everything Lennox and beyond. When it comes to air conditioning and heating repairs, Fort Collins residents can count on Horsetooth to repair all models and brands of air conditioners, furnaces, and heat pumps. Our experience and expertise mean we’ll quickly resolve your problem. As a family owned business, we understand the importance of family and our commitment to our community.

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NEWS

Does an AC Kill Mold? Photo of a hand in a yellow rubber glove wiping a blue wall or table with a pink cloth.

Does an AC Kill Mold?

Your air conditioner (AC) can do several things––keep your Colorado home’s indoor air cooler than outdoor temperatures, help to keep indoor airborne allergens at bay, and help keep your home’s humidity low. But one thing it can’t do is kill mold.

What Is a Plumbing Inspection? Happy Latin American electrician working at a house and looking at the camera smiling while writing on a clipboard - home improvement concepts.

What Is a Plumbing Inspection?

When was the last time you thought about your plumbing? If you’re like most Greeley, homeowners, it’s probably only when something goes wrong—a leaky faucet, a clogged drain, or worse, a burst pipe.

Why Is My Thermostat Blank? Photo of a digital thermostat mounted on a wall with a blank screen.

Why Is My Thermostat Blank?

It is an “Oh no!” moment when you approach your home’s thermostat and see its screen is blank.

Is it serious? Does it mean your furnace, heat pump, or air conditioning is broken? Not necessarily. In fact, most of the time, it is something minor and can be easily fixed.

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WE SERVICE ALL BRANDS

Amana Heating & Air Conditioning. American Standard Heating & Air Conditioning. Ameristar by American Standard Heating & Air. Armstrong Air. Bryant Heating & Cooling Systems. Carrier. Coleman Heating & Air Conditioning. Comfortmaker. Daikin. Day & Night Heating & Cooling Products. Fujitsu. Goodman Air Conditioning & Heating. Heil. Lennox. Mitsubishi. Payne. Rheem. RunTru by Trane. Ruud. Trane. Westinghouse. York.
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WHERE WE SERVICE

Fort CollinsLovelandGreeley
WindsorWellingtonLaPorte
Johnstown and the surrounding areas!

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