“Super friendly and same day service!”
AC Repair & Furnace Repair in Clayton, MO
AC and furnace repair for Clayton homes, serving Jefferson County and South St. Louis County · family-owned since 1974 · (314) 333-5900

Clayton's high-end homes and condos deserve HVAC service that's quiet, clean, and respectful of the property. Ricotta has been doing it that way for 50+ years.
Clayton: Condos, Brownstones, and Estate Homes
From DeMun-area condos to the larger estate homes north of Forsyth, Clayton's HVAC needs vary widely. Closet-mounted high-efficiency systems, multi-zone variable-speed equipment, and mini-split retrofits in historic homes are all part of a normal week here.
Signs You Need AC Repair in Clayton
- Vents blowing warm or room-temperature air
- Weak airflow even with the system running
- Short cycling (turns on and off rapidly)
- Energy bills climbing without a change in usage
- Rattling, hissing, or grinding noises
- Musty or burning odors when the AC runs
- Water pooling or ice forming around the unit
What We Check on an AC Service Call
- Refrigerant charge and leaks
- Capacitor and contactor
- Evaporator and condenser coils
- Condensate drain
- Filter and airflow
- Thermostat calibration
- Electrical connections
Most cooling failures trace back to one of these — we diagnose the real fault before quoting, so you're not paying for parts you don't need.
HVAC Services for Clayton Homes
Furnace repair, air conditioning service, maintenance, heat pumps and indoor air quality support Clayton homeowners year-round.
Why Clayton Homeowners Choose Ricotta
Three generations, same family, since 1974. Google customer reviews. We service every major AC and furnace brand, give free estimates with upfront pricing, and get most no-cool and no-heat calls scheduled the same week.
DeMun-area condos, brownstones, and the estate homes north of Forsyth — quiet, clean, respectful work in homes where the equipment closet really matters.
Verified Google review excerpts
What Clayton Area Homeowners Say
“Dependable and reliable, he’ll always be my go to.”
“Always professional and very prompt with service.”
Clayton HVAC Questions
How much does AC repair cost in Clayton?
How quickly can you provide AC repair in Clayton?
My AC is blowing warm air — can you fix it?
Should I repair or replace my AC?
How long does a furnace or AC last?
What AC brands do you service in Clayton?
Nearby Areas We Serve
Same crew, same pricing, same free estimates throughout St. Louis County.
Request a Free HVAC Estimate
Tell us a bit about your home and we'll get back quickly with next steps.
Need AC Repair in Clayton?
Call Ricotta Heating & Air or request a free estimate online — we'll get your Clayton home cool again the same week.
- ✓ Family-owned since 1974
- ✓ Licensed & insured
- ✓ Free estimates
- ✓ Highly rated on Google
