Signs You Need AC Repair
- The AC runs but blows warm air
- Weak airflow from the vents
- The system turns on and off frequently
- Ice on the refrigerant lines or indoor coil
- Water leaking near the indoor unit
- Buzzing, grinding or rattling noises
Our AC Repair Process
- Check the thermostat, filter and electrical supply
- Inspect the outdoor unit, indoor coil and drain
- Diagnose the failed component
- Explain options and pricing before repairing
- Repair and confirm the system is cooling properly
Why Choose Zenith?
Diagnosis before recommendations
We find the actual cause — with a camera or test equipment when needed — before suggesting a repair.
Options and pricing up front
You'll hear your options and the price before any work begins, so there are no surprises.
Plumbing and HVAC under one roof
Drains, sewer lines, water heaters, furnaces and AC — one team that knows your whole home.
Respect for your home
Shoe covers, protected work areas and a clean jobsite when we're done.
AC Repair Service Areas
Zenith provides ac repair across the Denver metro and Front Range, including:
Frequently Asked Questions
Why is my AC running but not cooling?
Common causes include a clogged filter, a dirty outdoor coil, a failed capacitor or fan motor, or a refrigerant leak. Some are quick fixes; others need repair.
What can I check before calling?
Make sure the thermostat is set to cool, replace a dirty filter, check the breaker and clear debris away from the outdoor unit.