JM Heating and Cooling Next Thermostat


JM Heating and Cooling has been dedicated to offering professional HVAC services to Longmont Colorado and the surrounding cities for over 10 years. JM Heating and Cooling is a family owned and operated business dedicated to providing expert work and ensures customer satisfaction. Whether you presently own a home and are planning to upgrade your old furnace and air conditioner or you are a contractor in need of an HVAC expert in Longmont, call JM Heating and Cooling today!

  • New Construction HVAC
  • Furnace Replacement
  • Air Conditioner Installation
  • Ductwork
  • 10 Years Experience and a Real Focus on Customer Satisfaction


We combine quality workmanship, superior knowledge and low prices to provide you with service unmatched by our competitors.


We have the experience, personel and resources to make the project run smoothly. We can ensure a job is done on time.


Work with us involve a carefully planned series of steps, centered around a schedule we stick to and daily communication.


Furnaces Installed

Air Conditioners Replaced

Happy Customers



With JM Heating and Cooling, there is no middlemen. Our owners are involved in every project, ensuring that you receive the personal attention and dedication you deserve. It is why so many of our customers become our permanent clients. They love our friendly and courteous staff. You can read some of their testimonials right here.


Some companies will charge a premium on substandard systems and subpar work. Not JM Heating and Cooling. Our customers are always our number one priority. With us, you receive honest and fair work at an affordable price and you can rest assured we will not try to upsell you products or services you don’t need. From the time our technician arrives at your home until the time they finish the job, we remain committed to offering high quality on every service we offer.


  • Do you offer a warranty?

    Yes! We offer a standard manufacturer warranty on all air conditioners and furnaces,  as well as a 2 year labor on every installation we complete. Call today for more details!

  • What is the timeline for a furnace replacement or air conditioner installation?

    Each job varies, however we typically complete the installation process the same day. We ensure every job is completed to the highest quality and we stand behind our installation with a 2 year labor warranty.

  • What is the total budget for construction?

    That depends on what you need done! JM Heating offers competitive pricing on a per job basis and provides industry leading customer service.

  • Do you offer financing?

    Yes! Call for additional information on our financing options.

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