12 HVAC Service Contractors in Northglenn, CO

4.2 avg rating
2,061 total reviews5 offer 24/7 service
Need emergency service? 5 HVAC providers in Northglenn offer 24/7 availability

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Top-Rated HVAC Service Contractors in Northglenn

#1

Unique Heating and Air Conditioning Inc.

4.8(776 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
#2

Goodfellas Heating, Cooling, Plumbing & Electric

4.6(445 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
#3

303 Heat

5.0(222 reviews)
Highly Rated

All 222 customer reviews award 5 stars, with reviewers frequently praising the same-day emergency response times and transparent pricing. Multiple customers…

10824 Leroy Dr #7, Northglenn, CO 80233

All HVAC Service Contractors (12 total)

Quality Heating and Air

5.0(131)
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

Smiley Air & Heat

5.0(112)
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

Colorado Auto Air

4.9(104)
Highly Rated

All 104 reviews carry five stars, with JC named directly in six reviews as the technician delivering the…

11480 Cherokee St G, Northglenn, CO 80234

Elite Mechanical Services

4.8(100)
Highly Rated

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

2061 E 114th Pl, Northglenn, CO 80233

Blue Collar Heating and Air

5.0(71)
821 E 112th Pl, Northglenn, CO 80233

Northglenn Heating & AC, Inc

4.6(83)

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

10977 Irma Dr, Northglenn, CO 80233

Cool Ducts Heating and Cooling

3.8(9)
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

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

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

HVAC Service Costs in Northglenn

General HVAC service pricing across maintenance, repair, and installation in Northglenn.

ServiceLowAverageHigh
Service call / diagnostic
$81$130$216
Routine tune-up (single system)
$76$135$216
Standard repair (avg)
$162$648$1,296
Major repair (compressor, heat exchanger)
$1,620$2,700$3,780
New system installation (mid-range)
$7,020$11,340$15,120
Full HVAC replacement
AC + furnace combined
$12,517$14,504$15,228

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

HVAC Service in Northglenn, CO: What to Expect

Northglenn’s semi-arid continental climate—dry summers that can reach about 88°F and winters with January lows near 18°F—creates steady demand for both cooling and heating service in the Denver metro area. Altitude at roughly 5,280 feet reduces AC capacity by 10–15%, so contractors often recommend upsized equipment. Eight contractors serve the city, averaging a 4.9 rating from 1,919 reviews; three provide 24/7 hvac-service Northglenn.

Specific cost figures for common repairs and replacements weren’t provided in the data set, so homeowners should expect variation based on system type, capacity and job complexity. Ask for itemized estimates that separate parts, labor and permit fees; confirm whether quoted equipment accounts for altitude-related capacity adjustments. Colorado does not have a statewide HVAC license, so verify local licensing, trade qualifications and proof of insurance before hiring.

Customer highlight details were not included, so review patterns must be inferred from market conditions: prioritize contractors with many recent reviews, documented emergency availability and clear communication about warranty and maintenance plans. Look for technicians who explain why a larger-rated system is recommended at elevation, provide permit guidance, and offer written estimates with timelines. These signals reduce surprises and help protect your investment.

Frequently Asked Questions

HVAC service pricing in Northglenn ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.