AC Maintenance & Tune-Ups

A spring tune-up catches small problems before the first heat wave and keeps your system running efficiently. Zenith inspects, cleans and tests your air conditioner so it's ready for summer.

Signs Your AC Needs a Tune-Up

  • It's been more than a year since the last service
  • Cooling seems weaker than last summer
  • Energy bills have crept up
  • The outdoor unit is dirty or blocked by plants

What AC Maintenance Includes

  1. Clean and inspect the outdoor condenser coil
  2. Check refrigerant performance and temperatures
  3. Test the capacitor, contactor and electrical connections
  4. Clear the condensate drain
  5. Check airflow and the filter
  6. Verify thermostat operation

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 Maintenance Service Areas

Zenith provides ac maintenance across the Denver metro and Front Range, including:

Frequently Asked Questions

How often should my AC be serviced?

Once a year, ideally in the spring before you need it.

What can I do myself between visits?

Change the filter regularly and keep at least two feet of clearance around the outdoor unit.

Related Services

Need ac maintenance?

Tell us what's going on and we'll schedule a time that works for you.