Ricotta technician Alan Ricotta reviewing furnace options with a couple in their St. Louis County home

Heating & Cooling

HVAC Company in Jefferson County, MO

Family-owned and based in Hillsboro since 1974, Ricotta Heating & Air provides furnace repair, AC repair, maintenance and system replacement across Jefferson County and southern St. Louis County. Get clear diagnostic answers and free replacement estimates without high-pressure sales. Call or book an appointment for current availability.

Text or Call to Schedule(314) 324-0085

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Family-owned since 1974

165+ Google reviews

No high-pressure sales

Talk to a local HVAC team

Request Fast Service

Tell us what you need. We’ll follow up to schedule.

Start with the symptom

What is your system doing?

Choose the closest match to reach the right service quickly.

Servicing & Installing All Major Brands

HVAC brands serviced: Ruud, Lennox, Rheem, Goodman

St. Louis & Jefferson County Heating & Cooling Without the Runaround

Ricotta keeps the experience simple: free replacement estimates, residential service, clear recommendations, and a local team serving Jefferson County and southern St. Louis County.

50+

Years serving local homeowners

165+

Google reviews · 4.5★ average

Free

System replacement estimates

All

Major HVAC brands serviced

Heating, Cooling, and Air Quality Services for Your Home

From a furnace that won't start to an AC struggling through a humid St. Louis summer, Ricotta gives homeowners a practical path to repair, replace, or maintain the system they already depend on.

Heating

Furnace repair, installation, replacement, and tune-ups for Missouri winters.

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Cooling

AC repair, install, and maintenance to keep humid St. Louis summers comfortable.

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Heat Pumps

Year-round comfort with energy-efficient heat pump systems.

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Indoor Air Quality

Filtration, humidifiers, and airflow upgrades for healthier homes.

Explore Indoor Air Quality

Thermostat Repair

Smart and traditional thermostat repair, replacement, and setup.

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Service Agreements

Planned maintenance plans that catch issues before they become breakdowns.

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Ricotta service van in front of a St. Louis area home

Our Promise

Family-Owned HVAC Service Built Around Homeowners, Not Sales Pressure

Ricotta Heating & Air helps homeowners understand what's wrong, what can wait, and what actually needs attention. The goal is to get your home comfortable and your system working safely — without the upsell.

(314) 324-0085

Live from Google

What Local Homeowners Say

4.6176 Google reviews

View all on Google

“Super friendly and same day service!”

“Dependable and reliable, he’ll always be my go to.”

“Always professional and very prompt with service.”

Service Area

From Hillsboro to Clayton, We Help Homes Stay Comfortable

Ricotta serves homeowners across Jefferson County and St. Louis County — from Hillsboro and Festus up through Arnold, Fenton, Kirkwood, Webster Groves, and Clayton. Family-owned, locally based, and ready to help when your home needs it.

See All Service Areas

Map of Ricotta Heating & Air service areas across St. Louis & Jefferson County, MO

Cities We Serve in Jefferson County & St. Louis County, MO

Same-day AC repair, furnace service, and free replacement estimates in each of these communities.

Need Heating or Cooling Help at Home?

Call Ricotta Heating & Air for residential HVAC service across St. Louis and Jefferson County. Free estimates are available.