14 HVAC Repair Contractors in Northglenn, CO

4.3 avg rating
2,038 total reviews5 offer 24/7 service
Need emergency service? 5 HVAC providers in Northglenn offer 24/7 availability

Top-Rated HVAC Repair Contractors in Northglenn

#1

Unique Heating and Air Conditioning Inc.

4.8(800 reviews)
24/7 Highly Rated

All 771 reviews award a perfect 5-star rating, a pattern rare for a contractor serving the full metro corridor. Seven detailed reviews available to read name…

10783 Irma Dr, Northglenn, CO 80233
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#2

Goodfellas Heating, Cooling, Plumbing & Electric

4.6(449 reviews)
24/7

All five-star reviews name specific technicians from the Goodfellas team, with Carlos appearing in at least two accounts and additional plumbers identified…

1412 W 104th Ave Suite 120, Northglenn, CO 80234
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#3

303 Heat

5.0(222 reviews)
Highly Rated

Every reviewer who left detailed feedback awarded 5 stars, with four separate accounts specifically naming the lead technician Jared for his willingness to…

10824 Leroy Dr #7, Northglenn, CO 80233
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All HVAC Repair Contractors (14 total)

Quality Heating and Air

5.0(143)
24/7 Highly Rated

Fred Gottschalk and Bobby are named across nine of ten featured reviews, with customers repeatedly noting…

10650 Irma Dr Unit 13, Northglenn, CO 80233
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Smiley Air & Heat

5.0(117)
24/7 Highly Rated

110 reviews contribute to a perfect 5-star average, with every reviewer awarding full marks. Igor Vasyliev…

10650 Irma Dr unit 12, Northglenn, CO 80233
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Elite Mechanical Services

4.8(104)
Highly Rated

Seventy percent of reviewers awarded 5 stars, praising the team's communication, technical knowledge, and…

2061 E 114th Pl, Northglenn, CO 80233
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Blue Collar Heating and Air

5.0(77)
821 E 112th Pl, Northglenn, CO 80233
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Northglenn Heating & AC, Inc

4.6(85)

Four of four detailed reviews specifically name positive technician experiences, with Art praised for…

10977 Irma Dr, Northglenn, CO 80233
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HV & AC

4.4(13)

Twelve of 13 reviewers award 4-5 stars, praising same-day diagnostic skill, fair pricing, and thorough…

11990 Grant St, Northglenn, CO 80233

GE Heating & Air

4.8(9)

All three verified reviewers award five stars, with customers specifically praising custom solution…

10650 Irma Dr #26, Northglenn, CO 80233
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Cool Ducts Heating and Cooling

3.9(10)
24/7

Three of nine reviewers awarded five-star ratings, with two specifically praising technician knowledge and…

11990 Grant St Suit 550, Northglenn, CO 80233
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Complete Plumbing HVAC & Mechanical, Inc.

3.5(8)

Four of eight reviewers awarded 5 stars, with all positive reviews mentioning Mark by name and praising his…

11150 Huron St Suite 100, Northglenn, CO 80234
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Alpha Mechanical LLC

5.0(1)
11310 Melody Dr #2-104, Northglenn, CO 80234
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Ac & Heating Company LLC.

0.0

No customer reviews are currently available for this business, resulting in no aggregate rating data to…

2022 Fisher Way, Northglenn, CO 80233
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HVAC Repair Costs in Northglenn

Typical heating and cooling repair costs in Northglenn, by component.

ServiceLowAverageHigh
Diagnostic / service call
$83$132$220
Thermostat replacement
$165$303$550
Blower motor replacement
$440$715$1,210
Heat exchanger replacement
$1,650$2,420$3,850
Ignitor replacement (gas furnace)
$165$275$440
Control board replacement
$330$605$990
Full system repair (major)
Multi-component failure
$550$1,320$3,300

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

HVAC Repair in Northglenn, CO: What to Expect

Northglenn sits at 5,280 feet along the northern edge of the Denver metro, where the thin air quietly undermines air conditioning performance even as summer highs push toward 88 F. Winters bring January lows averaging just 18 F, meaning heating systems run hard when they're needed most. Eleven contractors compete for hvac repair Northglenn calls, and homeowners sorting through them encounter an average rating of 4.2 stars across nearly two thousand verified reviews.

Pricing matters, and the numbers are specific to this market. A diagnostic visit runs $83-$220, while thermostat replacement costs $165-$550 and a failing blower motor can mean $440-$1210 in parts and labor. Colorado requires no statewide HVAC license, so each municipality issues its own credentials, meaning you should always confirm that your contractor holds current local permits before work begins.

Homeowners leave detailed feedback, and the patterns are revealing. Unique Heating and Air Conditioning maintains all 5-star reviews across 771 submissions, with customers naming technicians Julio Garza, Lorenzo, and Jose in their accounts. Goodfellas Heating, Cooling, Plumbing & Electric draws consistent praise, and reviewers specifically mention Carlos in multiple responses. 303 Heat earns perfect scores too, with customers repeatedly citing Jared for same-day emergency response and pricing they describe as transparent.

Frequently Asked Questions

HVAC repairs in Northglenn range from $83-$3,850 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.