For all of your heating and cooling needs, My Guy Heating and Air, LLC is the most reputable HVAC company in Longmont, CO. Located in Boulder County, Longmont is a city with a population of about 95,000 people. With a passion for community togetherness and world-class quality of life, it’s no surprise that Longmont was recognized as an “All-American City” in 2006 and ranked as one of the best cities to live in the United States.

Whether you live in Longmont, or are looking for a new place to call home, you need a reliable AC system to keep you cool during the summer and a furnace to keep you warm in winter. As a BBB-accredited and Google-certified heating and cooling contractor, we’ve been providing exceptional HVAC services in Longmont for over 10 years.