Top 10 Hvac Maintenance in Denver, CO
The best HVAC maintenance companies in Denver, CO for 2026 include Apex Clean Air AC & Heating Repair (4.9), Roots Heating & Air (5), Heart Heating, Cooling, Plumbing & Electric (4.8). All offer annual tune-ups, maintenance plans, and priority emergency service.
Right Away Heating
Apex Clean Air AC & Heating Repair
Roots Heating & Air
Ultimate Heating, Cooling, Plumbing & Electric
MileHi HVAC Contractor Denver CO
Heart Heating, Cooling, Plumbing & Electric
Golden West Plumbing, Heating, Air Conditioning, and Electrical
Major Heating and Air Conditioning - Denver
One Hour Heating & Air Conditioning® of Denver
Denver's Best Heating & AC Repair
How We Ranked These Denver Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Denver market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does HVAC maintenance cost in Denver?
An HVAC tune-up in Denver costs $75-$200 per visit. Annual maintenance plans (2 visits — heating + cooling) cost $150-$300/year and include priority service and repair discounts.
How often should HVAC be serviced?
Twice a year — AC tune-up in spring, heating tune-up in fall. This prevents breakdowns, extends equipment life by 5-10 years, and keeps your system running at peak efficiency.
What does an HVAC tune-up include?
Inspection of all components, cleaning coils and blower, checking refrigerant levels, testing thermostat calibration, lubricating moving parts, inspecting electrical connections, and changing the air filter.