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HVAC · Denver, CO/Updated June 13, 2026

The 10 Best HVAC Companies in Denver, CO

Choosing the right HVAC company can save you from costly repairs and uncomfortable living conditions. Our rankings identify the best providers in Denver.

Editorially independent15 companies evaluated
cover story
★ Editor's ChoiceThe Weather Changers Heating and Air Conditioning
96Score
Latest update · June 13, 2026: Initial ranking published. 15 Denver-metro hvac businesses evaluated, top 10 ranked by Vetted Score.

In Denver, a poorly installed HVAC system can lead to inefficiency, discomfort, and expensive repairs down the line. With the city's diverse climate, ensuring your heating and cooling systems run smoothly is essential. Hiring a reputable HVAC company prevents these pitfalls and guarantees a comfortable home year-round.

We evaluated 15 HVAC providers in the Denver metro area, focusing on their customer reviews and satisfaction ratings. Our top 10 list ranks businesses based on a transparent Vetted Score, giving you a reliable guide to make an informed decision.

15hvac companies evaluated in Denver
4.81average rating across the field
12.4Kcustomer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does hvac cost in Denver? See the price breakdown →

Our top picks

At a glance · three categories
★ Editor's Choice
96Score

The Weather Changers Heating and Air Conditioning

★★★★★5.0(1,379 reviews)

With a perfect 5-star rating from 1,379 reviews, The Weather Changers Heating and Air Conditioning is a standout in Denver's HVAC market.

Read full review
Best Value
95Score

Roots Heating & Air

★★★★★5.0(322 reviews)

Roots Heating & Air holds a solid 5-star rating from 322 reviews, reflecting strong customer satisfaction.

Read full review
Most Reviewed
94Score

Apex Clean Air AC & Heating Repair

★★★★★4.9(2,310 reviews)

Apex Clean Air AC & Heating Repair boasts a stellar 4.9-star rating with an impressive 2,310 reviews.

Read full review

All 10, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
96Score
5.0★★★★★
1,379Reliable service and customer care
2
95Score
5.0★★★★★
322Budget-conscious homeowners
3
94Score
4.9★★★★★
2,310Urgent HVAC repairs
4
89Score
5.0★★★★★
158Installation services
5
88Score
4.9★★★★★
343Regular maintenance
6
88Score
4.9★★★★★
341Emergency HVAC repairs
7
84Score
4.8★★★★★
3,325Multiple home service needs
8
84Score
4.8★★★★★
1,244HVAC and plumbing combo services
9
82Score
4.8★★★★★
210Routine maintenance
10
81Score
4.7★★★★★
1,709Installations
Methodology

How we evaluated all 15 hvac companies.

Our evaluation process involves analyzing customer reviews, ratings, and overall service quality. Each company is assessed on a scale of 0 to 100, with no one paying for placement in our rankings. This ensures an unbiased selection of the best HVAC companies in Denver.

We regularly refresh our data to reflect the most current customer feedback. This commitment to accuracy means you can trust our rankings to guide your choice of HVAC service providers.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

The Weather Changers Heating and Air Conditioning

★★★★★5.0(1,379 reviews)
96Score

With a perfect 5-star rating from 1,379 reviews, The Weather Changers Heating and Air Conditioning is a standout in Denver's HVAC market. Customers praise their punctuality, friendly service, and thorough installations. They are best known for their reliability and customer service. However, some reports mention that their pricing can be on the higher side.

Pros

  • Excellent customer service
  • Timely responses
  • Thorough installations

Cons

  • Higher pricing compared to competitors
  • Limited availability during peak seasons
Best forReliable service and customer care
Service areaDenver metro area
Typical pricing$100 to $500
2
Best Value

Roots Heating & Air

★★★★★5.0(322 reviews)
95Score

Roots Heating & Air holds a solid 5-star rating from 322 reviews, reflecting strong customer satisfaction. Clients commend their affordable pricing and efficient service. They excel in providing value without sacrificing quality. However, as a smaller company, their availability may be limited during peak times. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is budget-conscious homeowners. It serves Denver metro area, with $80 to $300 pricing, and the honest trade-offs are limited availability during busy seasons and smaller team may take longer for large jobs.

Pros

  • Affordable pricing
  • Fast service
  • Friendly technicians

Cons

  • Limited availability during busy seasons
  • Smaller team may take longer for large jobs
Best forBudget-conscious homeowners
Service areaDenver metro area
Typical pricing$80 to $300
3
Most Reviewed

Apex Clean Air AC & Heating Repair

★★★★★4.9(2,310 reviews)
94Score

Apex Clean Air AC & Heating Repair boasts a stellar 4.9-star rating with an impressive 2,310 reviews. Customers highlight their knowledgeable technicians and swift service, making them a go-to for urgent repairs. However, the sheer volume of clients can sometimes lead to longer wait times for appointments. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is urgent HVAC repairs. It serves Denver metro area, with $100 to $400 pricing, and the honest trade-offs are longer wait times for appointments and may be pricier for emergency services.

Pros

  • Highly knowledgeable staff
  • Quick response times
  • Well-reviewed for repairs

Cons

  • Longer wait times for appointments
  • May be pricier for emergency services
Best forUrgent HVAC repairs
Service areaDenver metro area
Typical pricing$100 to $400
4

Premier Mechanical

★★★★★5.0(158 reviews)
89Score

Premier Mechanical scores a 5-star rating from 158 reviews. Customers appreciate their thorough work and professionalism. They are particularly noted for their installation services. However, the limited number of reviews could suggest less experience in the market compared to others. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is installation services. It serves Denver metro area, with $150 to $500 pricing, and the honest trade-offs are fewer reviews and limited service history.

Pros

  • Professional technicians
  • Thorough installations

Cons

  • Fewer reviews
  • Limited service history
Best forInstallation services
Service areaDenver metro area
Typical pricing$150 to $500
5

MileHi HVAC Contractor Denver CO

★★★★★4.9(343 reviews)
88Score

MileHi HVAC Contractor Denver CO has a 4.9-star rating from 343 reviews. Customers often mention their fast response times and quality service. They are a solid choice for regular maintenance. However, some reviews indicate inconsistent scheduling, which could be a concern for urgent needs. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is regular maintenance. It serves Denver metro area, with $100 to $350 pricing, and the honest trade-offs are inconsistent scheduling and limited emergency service.

Pros

  • Fast response times
  • Quality maintenance services

Cons

  • Inconsistent scheduling
  • Limited emergency service
Best forRegular maintenance
Service areaDenver metro area
Typical pricing$100 to $350
6

Right Away Heating

★★★★★4.9(341 reviews)
88Score

Right Away Heating has a 4.9-star rating from 341 reviews. Customers appreciate their prompt service and knowledgeable technicians. They excel in emergency repairs. However, their limited service offerings might not cover every HVAC need. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is emergency HVAC repairs. It serves Denver metro area, with $100 to $400 pricing, and the honest trade-offs are limited service offerings and higher rates for emergency calls.

Pros

  • Prompt service
  • Knowledgeable technicians

Cons

  • Limited service offerings
  • Higher rates for emergency calls
Best forEmergency HVAC repairs
Service areaDenver metro area
Typical pricing$100 to $400
7

Heart Heating, Cooling, Plumbing & Electric

★★★★★4.8(3,325 reviews)
84Score

Heart Heating, Cooling, Plumbing & Electric has a 4.8-star rating from 3,325 reviews. They receive praise for their comprehensive services and skilled technicians. They are a good choice for homeowners needing multiple services at once. However, some customers report longer wait times for appointments. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is multiple home service needs. It serves Denver metro area, with $100 to $500 pricing, and the honest trade-offs are longer wait times and higher pricing for bundled services.

Pros

  • Comprehensive service offerings
  • Skilled technicians

Cons

  • Longer wait times
  • Higher pricing for bundled services
Best forMultiple home service needs
Service areaDenver metro area
Typical pricing$100 to $500
8

Ultimate Heating, Cooling, Plumbing & Electric

★★★★★4.8(1,244 reviews)
84Score

Ultimate Heating, Cooling, Plumbing & Electric holds a 4.8-star rating from 1,244 reviews. Customers often commend their thorough work and friendly service. They are a solid choice for HVAC and plumbing needs. However, their extensive service range may lead to longer wait times during busy seasons. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is hVAC and plumbing combo services. It serves Denver metro area, with $100 to $500 pricing, and the honest trade-offs are potentially longer wait times and higher rates for urgent services.

Pros

  • Thorough service
  • Friendly staff

Cons

  • Potentially longer wait times
  • Higher rates for urgent services
Best forHVAC and plumbing combo services
Service areaDenver metro area
Typical pricing$100 to $500
9
82Score

Cool Sunshine Heating and Air Conditioning, Inc. has a solid 4.8-star rating from 210 reviews. Clients appreciate their friendly technicians and prompt service. They are a good option for routine maintenance. However, their limited review base may indicate less market experience. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is routine maintenance. It serves Denver metro area, with $80 to $300 pricing, and the honest trade-offs are limited review base and less market experience.

Pros

  • Friendly technicians
  • Prompt service

Cons

  • Limited review base
  • Less market experience
Best forRoutine maintenance
Service areaDenver metro area
Typical pricing$80 to $300
10

Premier Heating and Air

★★★★★4.7(1,709 reviews)
81Score

Premier Heating and Air has a 4.7-star rating from 1,709 reviews. Customers highlight their quick service and knowledgeable staff. They are a reliable choice for installations. However, some reviews mention issues with follow-up service, which could be a drawback for ongoing support. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is installations. It serves Denver metro area, with $150 to $400 pricing, and the honest trade-offs are issues with follow-up service and higher prices for urgent repairs.

Pros

  • Quick service
  • Knowledgeable staff

Cons

  • Issues with follow-up service
  • Higher prices for urgent repairs
Best forInstallations
Service areaDenver metro area
Typical pricing$150 to $400
Before you book

How to choose an HVAC company in Denver

Selecting the right HVAC company is critical to avoiding issues like system failure or unexpected costs. Here are key factors to consider.

Check Ratings and Reviews

Look for companies with high ratings and a solid number of reviews. This indicates consistent quality and customer satisfaction.

Evaluate Experience and Expertise

Choose providers with years of experience and a track record in the specific HVAC services you need, whether installation or repair.

Get Multiple Estimates

Request quotes from several companies. This helps ensure you receive a fair price and understand the scope of work involved.

What it costs

What HVAC services cost in Denver

Basic Maintenance$75 to $150 for routine check-ups and minor adjustments to your system.
Repairs$150 to $500 depending on the complexity and parts needed for your specific HVAC system.
System Installation$3,000 to $7,000 for complete HVAC system installation, including labor and equipment.
Emergency Services$100 to $300 for after-hours service calls, which may include additional fees.

Frequently asked questions

How much does HVAC installation cost in Denver?

HVAC installation costs in Denver typically range from $3,500 to $7,500, depending on the system and complexity of the installation.

What are the best times for HVAC maintenance in Denver?

The best times for HVAC maintenance in Denver are in the spring and fall, before the peak heating and cooling seasons.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most Denver homes: <strong>The Weather Changers Heating and Air Conditioning</strong>

Call The Weather Changers Heating and Air Conditioning first for any HVAC needs, especially if you want a proven company with a stellar track record. If you have a smaller project or a tight budget, Roots Heating & Air offers great service at competitive rates. For urgent repairs or installations, Apex Clean Air AC & Heating Repair is an excellent option with a large volume of positive reviews.