$79 Furnace Tune-Up!



Make sure system is safe and running efficiently



Best Heating and Cooling Companies in Longmont

Keeping your Longmont, CO, home or commercial space comfortable isn’t just a matter of preference. It’s an essential aspect of preserving your investments, which is why Stone Heating & Air strives to deliver reliable cooling and heating. The work our heating and air conditioning specialists perform makes it possible for you to actually enjoy the property you worked so hard for.

Because they’re out of sight, heating and air condition systems and devices are easy to forget about until something drastically goes wrong. Additionally, there can be hidden flaws that are negatively impacting the performance of the heating or air conditioning system. Wasted air will turn into wasted money as an inefficient system drives up your energy bill every month. Fortunately, our heating and air conditioning specialists possess the experience to give those systems the attention they need. Our full-service maintenance offerings are designed to keep you as warm or cool as you like by keeping your heating and air conditioning system maintained.

HVAC systems Stone Heating & AirYou might need a spot evaluation, an extensive checkup, or an emergency overhaul. Regardless of the problem, you can count on our technicians to ensure your heating and air conditioning products are always operating to their fullest energy-efficient potential. Call Stone Heating & Air at 303-564-0986 to transform your Longmont, CO, property into a place you love occupying.

  • Furnace Tune-Up Special – $79
  • Pre-Season Air Conditioning Sale!        

Call us at

(303) 564-0986

Get in touch with us

We have more than 25 years of experience

How can we help you?


Keep your home comfortable, all while preserving your investment. Our goal is to deliver the most reliable heating & cooling services to ensure that your system works well for you and the property you’ve worked so hard for.


We sell, install, and service what you need to keep your office or business facility heated and cooled. Whether it is maintaining your commercial unit, or even a larger project like a new rooftop installation, we can help.


Building a new house, or even just adding to your home or building? Make sure you call the experts at Stone Heating and Air first to make sure that your new building or addition is properly heated and cooled.

Excellence guaranteed!

Request a Free Quote

We welcome the opportunity to work with you.  Please feel free to contact us to let us know a little about your needs and we'll promptly respond with a free estimate.