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Longmont, Colorado · Air conditioning

Air conditioning contractors in Longmont, CO

3 air conditioning contractors in Longmont, out of 8 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
3
Avg. score
53.3
Scored
3

Summary

Data last updated

As of October 14, 2026, the ProComfort Registry lists 3 air conditioning contractors in Longmont, Colorado. Most-listed specialties: heating & furnaces (3). 3 have enough public signals for a Registry Score, averaging 53.3 out of 100; 1 scores 70 or higher. Together they hold 625 public reviews on Google, Yelp and Facebook. The highest-scored is Blue Valley Heating & Cooling, at 90 out of 100. 2 are Featured for 2026. View Blue Valley Heating & Cooling.

Counts come straight from the Registry's records. How the Registry Score works

Showing 1–3 of 3

Air conditioning contractors in Longmont: at a glance

How many air conditioning contractors are in Longmont, Colorado?
As of October 14, 2026, the ProComfort Registry lists 3 air conditioning contractors in Longmont, Colorado.
Who is the highest-scored air conditioning contractor in Longmont, Colorado?
By Registry Score, Blue Valley Heating & Cooling (Longmont, CO) ranks first at 90 out of 100, among 3 scored businesses averaging 53.3. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
Which companies are featured in Longmont, Colorado for 2026?
ProComfort Registry features Blue Valley Heating & Cooling, Homerun Heating & Air. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are air conditioning contractors in Longmont, Colorado ranked?
By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.

What this list includes: businesses whose public category or name points to air conditioning or cooling. Tags come from each business's public category and name, so a company can appear under several trades. Air conditioning contractors across the US