SearchWrench Pros

Find the right HVAC company in Longmont, CO

8 local HVAC companies in Longmont. Tell us how many years of experience you want, what matters most, and how close to your house, and we match you with the ones that fit. No star ratings, no paid rankings.

HVAC companies in Longmont

Checked pros are listed first; the rest rotate monthly. Nobody pays to be listed or ranked.

Homerun Heating & Air

727 Main St, Longmont, CO · (303) 586-7233 · homerunheating.com
Not checked by SearchWrench yet

Circulating Air Inc

500 9th Ave #12, Longmont, CO · (303) 772-7960 · circulatingairinc.com
Not checked by SearchWrench yet

Welzig Heating, Air, Plumbing & Electric

1831 Boston Ave, Longmont, CO · (303) 678-5576 · welzig-heating-and-air.com
Not checked by SearchWrench yet

Groulx Mechanical Heating & Cooling Inc.

2447 Winding Dr, Longmont, CO · (720) 329-3429 · groulxmechanical.com
Not checked by SearchWrench yet

Colorado's Finest Heating and Air Conditioning

1524 Collyer St, Longmont, CO · (720) 378-1135 · coloradosfinestheating.com
Not checked by SearchWrench yet

ComfortFlow HVAC Repair

1738 Hover St, Longmont, CO · (720) 740-1070 · comfortflowhvacrepair.site
Not checked by SearchWrench yet

Carroll Mechanical Services

733 S Bowen St, Longmont, CO · (720) 891-3518 · longmontheating-hvac-cms.com
Not checked by SearchWrench yet

Blue Valley Heating & Cooling

1740 Skyway Dr UNIT H, Longmont, CO · (720) 439-6792 · bluevalleyheatingcooling.com
Not checked by SearchWrench yet

Get matched with the right HVAC company

Tell us what you need in Longmont and what matters to you. We check the pros and connect you with up to 3 who fit. Free, no obligation.

Please add your name, a 10-digit phone number, and tick the box.
Your must-haves

How we pick the best one (no star ratings)

1. We start with real local businessesEvery listing has a local address and a working phone number from public business records.
2. We call and askYears in business, licensing where your state requires it, insurance, and whether they actually answer and show up.
3. We match to your must-havesExperience, what matters most to you, and how close they are to your house.
4. We ask you how it wentAfter the job we check in with you. Pros who fall short stop getting our referrals.

We don't use Google or Yelp reviews. Ratings can be bought, gamed or years out of date; a phone call and your feedback can't. More on how we check pros.

Hired the wrong HVAC company before?

No-shows, a job left half done, a price that doubled. It happens a lot, and it's why we check HVAC companies ourselves instead of trusting star ratings. Tell us what went wrong last time, tick "let down before" on the form, and we'll only send you pros who passed our check and fit your must-haves.

Get matched →

Questions to ask before you hire a HVAC company in Longmont

Common questions

How do I choose a HVAC company in Longmont?

Decide your must-haves first: how many years of experience, whether price or quality matters most, and how far you will let them travel. Then compare at least two written quotes using the questions on this page.

How does SearchWrench pick the best HVAC company?

We don't use Google or Yelp star ratings. We call local businesses ourselves to confirm years in business, licensing where required, and insurance, match them to your must-haves, and ask you how the job went afterwards.

Is it free?

Yes. Homeowners never pay us, and businesses cannot pay to rank higher on this page.

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