Air Conditioning · Boulder, CO
Air Conditioning services in Boulder, CO
Air conditioning services cover everything from a same-week repair on a central AC that stopped cooling to a full system replacement. Most calls come down to a failed electrical part, low refrigerant from a leak, or a dirty coil that chokes airflow.
- Same-day appointments when available
- Licensed local contractors
- Written price first

Boulder, CO
Air Conditioning in Boulder: what's different
Air Conditioning work in Boulder follows the local climate. Cooling seasons are shorter in cold climates, but summer heat waves still bring urgent AC calls, often for systems that sat unused all winter. Spring start-up checks catch failed capacitors, low refrigerant and blocked drains.
Older homes often have gas furnaces or boilers and no central AC, relying on evaporative coolers or fans. Boulder's codes and incentives push heat pumps and electrification, and many homeowners are switching from gas.
The air conditioning services Boulder homeowners ask for most are evaporative (Swamp) Cooler Service. Pads, pumps, belts, float valves and seasonal startup or shutdown.
The City of Boulder Planning and Development Services issues mechanical permits and enforces its own energy code, and Boulder County covers unincorporated areas. Xcel Energy and local programs offer heat pump incentives.
Air Conditioning
Air Conditioning services in Boulder
Which one do I need?
Pick the right service
| If this is happening | Start with |
|---|---|
| The AC runs but blows warm air, or will not start | AC Repair in Colorado |
| It is dangerously hot and the system is completely down | Emergency AC Repair in Colorado |
| The system is old, uses R-22, or needs frequent repairs | AC Replacement & Installation in Colorado |
| You keep adding refrigerant or see ice on the lines | Refrigerant Leak Repair |
| The outdoor coil is caked with dirt, cottonwood or dust | Coil Cleaning |
| You use a swamp cooler | Evaporative (Swamp) Cooler Service in Boulder |
FAQ
Air Conditioning questions in Boulder
Who handles air conditioning service in Boulder, CO?+
Call with your ZIP code. We connect you with a licensed HVAC contractor in our network that serves Boulder, including Mapleton Hill, University Hill, North Boulder, and they give you a written price before work starts.
How do I know if my AC needs repair or replacement?+
Age, refrigerant type and the failed part decide it. A newer system with a bad capacitor or fan motor is a repair. An older R-22 system with a failed compressor or leaking coil is usually a replacement.
Why is my AC running but not cooling?+
Common causes are a dirty filter or coil, low refrigerant from a leak, a failed outdoor fan or capacitor, or a frozen indoor coil. Turn the system off if you see ice and call for a diagnosis.
Air Conditioning nearby
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