Longmont, CO
Best HVAC Companies in Longmont, CO
Rated and reviewed by real customers. Compare prices, read reviews, and call the top pros near you — for free.
Top Rated HVAC Companies
My Guy Heating and Air (Firestone)
4321 Mulligan St, Longmont, CO 80504, USA
Blue Valley Heating & Cooling
1740 Skyway Dr UNIT H, Longmont, CO 80504, USA
Longview Heating & Air
3540 State Hwy 52 Suite H28, Frederick, CO 80516, USA
All HVAC Companies in Longmont
Colorado's Finest Heating and Air Conditioning
1524 Collyer St, Longmont, CO 80501, USA
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
KJ Thomas Mechanical
6175 Trevarton Dr, Longmont, CO 80503, USA
Homerun Heating & Air
727 Main St, Longmont, CO 80501, USA
SAC Mechanical Heating & Air Conditioning
105 S Sunset St A, Longmont, CO 80501, USA
Trusted Longmont HVAC Services
1701 Main St, Longmont, CO 80501, USA
Stone Heating & Air
16792 Weld CoRd 1, Longmont, CO 80504, USA
ComfortFlow HVAC Repair
1738 Hover St, Longmont, CO 80503, USA
Stoney Heating and Air
11198 Cimarron St, Longmont, CO 80504, USA
Woelfel Heating & Air
601 S Bowen St, Longmont, CO 80501, USA
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Frequently Asked Questions — HVAC Companies in Longmont
How do I find the best hvac companies in Longmont?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Longmont are listed above based on our scoring algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Longmont licensed and insured?
In Texas, contractors must carry liability insurance and, for most trades, hold a state license. Always ask for proof of insurance and verify a license before hiring. All businesses listed here have been verified against public records.
How much do hvac companies charge in Longmont, CO?
Prices vary by scope of work, materials, and contractor. Request at least 3 quotes before hiring. Use the free quote form on this page to get estimates from multiple local pros simultaneously.
What should I look for when hiring a hvac companies in Longmont?
Check online reviews, verify licensing, ask for a written estimate, confirm they pull permits when required, and get references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings are based on a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real reviews. Sponsored listings are clearly labeled.
How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.