10 Emergency HVAC Contractors in Longmont, CO
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Top-Rated Emergency HVAC Contractors in Longmont
M and M Heating, Cooling, Plumbing and Electrical
“Every reviewer in the sampled set awarded 5 stars, and none of those reviews expressed concerns about pricing or callbacks. Karl Moeller explicitly noted that…”
Welzig Heating, Air, Plumbing & Electric
“All six visible reviews award 5 stars, with three reviewers specifically naming technicians Zach and James while describing repair outcomes. Four reviewers…”
All Emergency HVAC Contractors (10 total)
Blue Valley Heating & Cooling
“1181 reviewers maintain a 4.8-star average, with multiple five-star reviews praising specific technicians by…”
TNT Home Services - Longmont
“Among 864 reviews, the 5-star feedback consistently highlights specific technicians like Craig, Adam, and…”
Colorado's Finest Heating and Air Conditioning
“215 reviews yield a 4.9 average rating, with Jordan mentioned specifically across multiple five-star reviews…”
Prime Performance Mechanical
“5 of 6 displayed reviews carry 5-star ratings, with owners consistently noting the founder's hands-on…”
Highland Heating & Air, Inc.
“5 of 7 reviewers assign 5-star ratings, with Chris, Scott, Jack, and Ashley named as individual technicians.…”
Woelfel Heating & Air
“Five of seven detailed reviews award 5 stars, with technicians named in each top rating. Positive feedback…”
Emergency HVAC Costs in Longmont
After-hours, weekend, and holiday HVAC service pricing in Longmont. Rates are typically 1.5-2x standard.
| Service | Low | Average | High |
|---|---|---|---|
After-hours service call (weekday night) Base fee before labor | $165 | $220 | $330 |
Weekend service call | $193 | $248 | $358 |
Holiday / major holiday call | $248 | $330 | $495 |
Emergency labor (hourly) 1.5-2x standard hourly rate | $176 | $226 | $275 |
Emergency repair total (typical) Repair + after-hours surcharge | $330 | $770 | $1,320 |
Emergency repair (major) Compressor, heat exchanger failures | $1,320 | $2,420 | $3,850 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Emergency HVAC in Longmont, CO: What to Expect
Longmont sits on Colorado’s northern Front Range at high elevation, where thin air and big winter swings shape emergency HVAC demand. Summers can push into the 80s and winters average single digits at night, and systems derate 10–15% compared with sea level. That combination makes rapid failures more likely, and seven local contractors (average 4.7 stars across 6,782 reviews) help keep systems running; six report 24/7 availability. Use the search term emergency-hvac Longmont to find around-the-clock options quickly.
Published itemized cost data for Longmont emergency calls was not included in the source material, so precise topCostItems and ranges aren’t available here. That said, homeowners should expect emergency service premiums on top of baseline repair fees, with costs driven by parts, labor and after-hours rates. Colorado’s lack of a statewide HVAC license means permits and local licensing rules vary by city and county, so confirm a contractor’s local credentials and estimate details before authorizing work.
No individual customer highlights were provided in the dataset, so look instead for review patterns: responsiveness, clear after-hours pricing, documented diagnostics, and willingness to explain sizing adjustments for high-altitude performance. Prioritize companies that can justify recommended repairs with photos or diagnostics and that confirm warranty handling when they dispatch technicians.