Ratings sourced from Google Business Profile · Last refreshed July 2026
Hvacs · Longmont, CO
Longmont's top-rated HVAC provider with 4.9 stars from 250 reviews.
Listing data last updated May 4, 2026 · sourced from public Google Business Profile data
250 customer ratings on Google
Write a review here to help future customers choose the best local pros.
At 4.9★ from 250 ratings, KJ Thomas Mechanical rates about even with the 4.8★ average of the 6 nearest hvacs we track in Longmont.
Groulx Mechanical Heating & Cooling Inc.
2447 Winding Dr, Longmont, CO 80504, USA
Circulating Air Inc
500 9th Ave #12, Longmont, CO 80501, USA
Carroll Mechanical Services
733 S Bowen St, Longmont, CO 80501, USA
Highland Heating & Air, Inc.
14286 Mead St, Longmont, CO 80504, USA
Homerun Heating & Air
727 Main St, Longmont, CO 80501, USA
My Guy Heating and Air (Firestone)
4321 Mulligan St, Longmont, CO 80504, USA