147 HVAC Service Contractors in Boulder, CO

Boulder's semi-arid continental climate at 5,430 feet creates distinct HVAC challenges. Summer highs reach 88 F with only 28 days above 90 F, while winters average 19 F. The high altitude reduces air conditioning capacity by 10 to 15 percent, meaning systems must be sized specifically for this altitude. With 166 contractors serving the area and an average rating of 4.1 stars from more than 15,000 customer reviews, homeowners have access to substantial HVAC Service in Boulder expertise.

Colorado lacks statewide HVAC licensing, so contractors comply with local city or county requirements instead. Service calls range from $81 to $216, while routine tune-ups for a single system cost $76 to $216. Standard repairs average $162 to $1,296, with final costs depending on the specific issue and parts needed.

Customer feedback reveals clear patterns among top-rated companies. Save Home Heat Company receives consistent praise for technicians like Gabe and Chip, with multiple reviewers highlighting their boiler system expertise. Mesa Plumbing, Heating and Cooling has customers noting Andrew's responsiveness on urgent commercial work. Flatirons Plumbing earns acclaim for same-day or prompt next-day arrival, with reviewers naming technicians Anthony, Caesar, and Paul. All three companies maintain five-star ratings across fully visible reviews.