The Best HVAC in Littleton, CO

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

#1

Summit Climate Control

4.8
(215 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency heating and cooling systems tailored for Littleton's climate. Known for expert installation of modulating furnaces and variable-speed AC units that handle extreme temperature swings. Their NATE-certified technicians provide comprehensive energy audits and specialize in complex ductwork design for Colorado homes.

7852 W. Coal Mine Ave, Littleton, CO 80123

Specialties & Features

Energy Efficiency Consulting
High-Altitude HVAC Optimization
24/7 Emergency Service
Ductwork Design & Installation

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Front Range Furnace & Air

4.7
(187 reviews)
Verified

Specializes in furnace repair and replacement crucial for Littleton's cold winters, with particular expertise in high-efficiency gas furnaces and heat pumps. Their technicians hold advanced EPA certifications and factory training from top brands like Trane and Lennox. Offers proactive maintenance plans that include seasonal tune-ups for both heating and cooling systems.

5421 S. Santa Fe Dr, Littleton, CO 80120

Specialties & Features

Furnace Repair & Installation
Heat Pump Systems
Preventative Maintenance Plans
24/7 Emergency Repairs

Business Information

Years in Business:14 years
Licensed:Yes
Insured:Yes
#3

Rocky Mountain Air Solutions

4.6
(132 reviews)
Verified

Provides comprehensive HVAC services with focus on air quality solutions important for Littleton's dry climate. Experts in installing whole-home humidifiers, air purifiers, and ventilation systems alongside traditional HVAC services. Their team specializes in retrofit installations and energy efficiency upgrades for older homes in the Littleton area.

8933 W. Bowles Ave, Littleton, CO 80127

Specialties & Features

Indoor Air Quality Systems
HVAC Retrofits
Energy Efficiency Upgrades
Duct Cleaning & Sealing

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Littleton

Littleton's semi-arid climate with cold winters (average lows 15-20°F) and hot, dry summers (average highs 85-90°F) creates significant demand for both heating and cooling expertise. The altitude (5,400 feet) requires specialized HVAC system calibration for optimal performance. Local providers must be proficient with high-efficiency furnaces for winter, robust AC systems for summer, and whole-home humidification solutions for the dry climate. Energy efficiency is particularly valued due to temperature extremes and increasing energy costs. The market features approximately 25 established providers, with the top companies distinguishing themselves through 24/7 emergency service, NATE certification, and expertise with altitude-adjusted HVAC systems.

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 Littleton regulations and climate

Frequently Asked Questions About HVAC in Littleton

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

1What is the typical cost range for replacing a furnace in Littleton, and why does it vary?

A full furnace replacement in Littleton typically ranges from $4,500 to $9,000+, with high-efficiency models at the upper end. Costs vary based on unit size (measured in BTUs for our cold winters), efficiency rating (AFUE), and the complexity of installation in your specific home, such as ductwork modifications. Local factors like the need for altitude-adjusted equipment and compliance with local building codes also influence the final price.

2When is the best time to schedule HVAC maintenance or replacement in Littleton?

The optimal times are during the shoulder seasons—spring (April-May) and fall (September-October). Scheduling service before the intense summer heat or winter cold ensures your system is ready for peak demand and provides much greater availability and potential off-season discounts from local providers. Avoid the first major heatwave or cold snap, as HVAC companies are at their busiest.

3Are there specific HVAC considerations for Littleton's climate and altitude?

Absolutely. Littleton's semi-arid climate with large temperature swings and low humidity means systems must handle both extreme summer cooling and winter heating. Our ~5,800-foot altitude reduces air density, requiring proper sizing and combustion adjustments for gas furnaces to ensure efficiency and safety. Furthermore, the dry air increases static electricity and dust, making high-quality air filtration and humidification valuable additions.

4How do I choose a reputable HVAC contractor in Littleton?

Prioritize contractors who are locally established, licensed, insured, and have positive reviews on platforms like Nextdoor specific to Littleton. They should perform a detailed Manual J load calculation to correctly size equipment for your home, not just match the old unit's size. Always get 2-3 detailed written estimates and verify they pull required permits with the City of Littleton for major installations, which ensures code compliance.

5My heat pump seems inefficient in winter. Is this normal for Littleton, and what are my options? **Question:** What should I do if my heat pump seems inefficient during a Littleton winter?

This is a common concern. Standard air-source heat pumps can lose efficiency and struggle to provide sufficient heat during our sustained sub-freezing temperatures. For optimal comfort and efficiency in Littleton, a dual-fuel or hybrid system—pairing a heat pump with a gas furnace as a backup—is highly recommended. This setup uses the heat pump for milder periods and automatically switches to the furnace during deep cold, offering the best balance of operating costs and performance.