The Best HVAC in Boulder, CO

Compare the highest-rated hvac professionals in Boulder, Colorado. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Boulder Climate Control Experts

4.8
(142 reviews)
Verified

Premium HVAC contractor specializing in high-efficiency systems for Boulder's unique climate. Offers comprehensive installation, repair, and maintenance services with a focus on energy-efficient solutions. Works with top brands like Lennox, Trane, and Carrier. Known for excellent customer service and technical expertise.

2450 Pearl Street, Boulder, CO 80302

Specialties & Features

Energy Efficiency Upgrades
24/7 Emergency Service
High-Altitude System Optimization
Smart HVAC Integration

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Flatirons Heating & Cooling

4.7
(118 reviews)
Verified

Family-owned HVAC company with deep roots in the Boulder community. Specializes in furnace installation and repair, particularly important for Boulder's cold winters. Offers ductwork design and sealing services to improve home efficiency. EPA-certified technicians with expertise in both residential and light commercial systems.

1780 30th Street, Boulder, CO 80301

Specialties & Features

Furnace Services
Ductwork Design
Hydronic Heating Systems
Winterization Services

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

EcoAir Boulder

4.6
(96 reviews)
Verified

Specializes in environmentally-friendly HVAC solutions and energy efficiency upgrades. Offers heat pump installations, geothermal system consulting, and solar-ready HVAC options. Strong focus on proper system sizing for Boulder's altitude and dry climate. Provides comprehensive maintenance plans to extend equipment lifespan.

3295 28th Street, Boulder, CO 80301

Specialties & Features

Green HVAC Solutions
Heat Pump Systems
Indoor Air Quality
Maintenance Plans

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Boulder

Boulder's HVAC market is characterized by high demand for energy-efficient systems due to environmental consciousness and extreme temperature variations. The semi-arid climate with cold winters (average lows in the teens) and warm summers (occasional 90°F+ days) requires versatile systems. High altitude (5,430 feet) affects HVAC performance, requiring specialized knowledge. Seasonal demand peaks in winter for heating services and summer for AC maintenance. The market favors companies with expertise in energy efficiency, smart home integration, and environmentally-friendly refrigerants.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Boulder regulations and climate

Frequently Asked Questions About HVAC in Boulder

Get answers to common questions about hvac services in Boulder, Colorado.

1How much should I expect to pay for a new HVAC system installation in Boulder, and what factors influence the cost?

In Boulder, a full HVAC system replacement typically ranges from $8,000 to $15,000+, influenced by home size, system efficiency (SEER rating), and the complexity of installation in older homes. Local factors like Boulder's strict energy codes (like the EnergySmart program) may require high-efficiency equipment, impacting upfront cost. Additionally, the need for specialized equipment to handle our dry climate and large temperature swings can affect the final price.

2When is the best time of year to schedule HVAC maintenance or replacement in Boulder?

The ideal times are during Boulder's shoulder seasons—late spring (April-May) before the summer heat and early fall (September-October) before winter cold snaps. Scheduling during these periods ensures your system is ready for extreme temperatures and provides better availability and potential off-season discounts from local HVAC companies. Avoid the peak of summer or a winter storm, as emergency service rates apply and wait times can be long.

3Are there local Boulder or Colorado regulations I need to be aware of when replacing my furnace or air conditioner?

Yes, Boulder County and the City of Boulder have some of the strictest energy efficiency regulations in the state. For example, replacing a furnace in Boulder often requires a unit with an Annual Fuel Utilization Efficiency (AFUE) of 94% or higher. Furthermore, Boulder's climate action goals encourage the adoption of electric heat pumps over traditional gas furnaces, and permits are typically required for HVAC replacements, so always hire a licensed contractor familiar with local codes.

4What should I look for when choosing an HVAC contractor in the Boulder area?

Prioritize contractors who are locally owned, licensed, insured, and have extensive experience with Boulder's specific climate and housing styles, from historic homes in Mapleton Hill to newer builds in Gunbarrel. Check for certifications like NATE (North American Technician Excellence) and strong reviews addressing local issues like humidity control for dry air and high-altitude performance adjustments. They should also be knowledgeable about local rebates from providers like Xcel Energy and the City of Boulder.

5My home feels extremely dry in the winter. Is a whole-house humidifier a worthwhile addition to my Boulder HVAC system?

Absolutely. Boulder's high-desert climate has very low humidity, especially during winter, which can cause discomfort, damage woodwork, and exacerbate respiratory issues. A whole-house humidifier integrated with your furnace is a highly recommended solution, maintaining ideal humidity levels (30-40%) for comfort and health. It is a cost-effective upgrade that protects your home and enhances the effectiveness of your heating system.