Hillsboro, MO
From the older homes near the county seat to the rural properties out along Highway 21, we know Hillsboro's housing stock — including the propane and well-water systems common west of town.
AC & furnace service in HillsboroRicotta Heating & Air · Service Areas
AC & Furnace Service in Jefferson County, MO
Ricotta Heating & Air provides residential AC repair, furnace service, maintenance and system replacement across Jefferson County from its Hillsboro home base. Family-owned since 1974, we help homeowners understand repair options and replacement estimates. Call or text to confirm your address, diagnostic charges and appointment availability, or book a service call online.
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• 50+ years local
Heating and cooling for Jefferson County homes
Comfort in hillside and multi-level homes
When an upstairs room is warm but a lower level is cool, the thermostat alone may not explain the problem. Tell us which rooms are affected and whether the difference changes during the day. Duct airflow, return-air paths and insulation should be considered before choosing a larger system.
Summer humidity and condensate drainage
In river-valley settings, a muggy home can remain uncomfortable even when the thermostat reaches its setpoint. Ask about cooling run time, airflow and drainage. A damp basement also deserves a separate moisture check; replacing an AC is not a substitute for resolving water entry.
Repair or replacement at an existing home
For an older furnace or central AC, share the equipment age, previous repairs and recent changes in energy use. We can discuss repair options and a free replacement estimate. Diagnostic charges and equipment choices depend on the actual system, not a county-wide flat-price promise.
Communities in Jefferson County
Festus, MO
Festus runs from older Mississippi Avenue brick ranches to 1990s subdivisions off Highway 67 and rural acreage out toward Plattin — we know what's installed on each street.
AC & furnace service in FestusCrystal City, MO
From the historic streets near the old glass works to the newer homes off Truman Boulevard, Crystal City's mix of 80+ year-old houses and modern builds is exactly what we work on every week.
AC & furnace service in Crystal CityArnold, MO
We're on Arnold streets multiple times a week — Telegraph Road, Richardson, out toward Tenbrook — so response times are quick and our techs already know which subdivision runs which equipment.
AC & furnace service in ArnoldBarnhart, MO
Barnhart's mix of 1990s–2000s subdivisions and rural lots means most original ACs and furnaces are now in their replacement window — we'll show you the honest repair-vs-replace math.
AC & furnace service in BarnhartImperial, MO
From the Windsor school district up through the bluffs along Highway 61, we've worked Imperial's walk-out basements, tight subdivisions, and rural acreage out toward Kimmswick.
AC & furnace service in ImperialPevely, MO
Pevely covers a real mix — newer subdivisions off the I-55 corridor with aging builder-grade equipment, plus older rural homes east of town on propane or electric resistance heat.
AC & furnace service in PevelyHerculaneum, MO
Herculaneum's riverfront homes, bluff subdivisions, and Dunklin school district neighborhoods all deal with extra river-bottom humidity — which we design and tune around.
AC & furnace service in HerculaneumKimmswick, MO
Kimmswick's historic riverfront homes and the newer builds in the surrounding hills both need an HVAC team that protects character — mini-splits and small-duct retrofits when conventional won't fit.
AC & furnace service in KimmswickDe Soto, MO
Same family running the business for over 50 years — straight answers, fair pricing, and no upsells on the older bungalows in town or the rural propane systems west of De Soto.
AC & furnace service in De SotoCedar Hill, MO
We're on Cedar Hill streets most weeks — straight answers and fair pricing on the rural propane and split heat pump systems common out here.
AC & furnace service in Cedar HillCedar Hill Lakes, MO
Lake-area homes around Cedar Hill Lakes run more humid than the surrounding county — fixing sticky indoor air here is more often about staging and dehumidification than a bigger AC.
AC & furnace service in Cedar Hill LakesHouse Springs, MO
From the Northwest school district out to the rural stretches along Highway MM, House Springs runs heavy on propane heat and crawlspace air handlers — most of what we do here.
AC & furnace service in House SpringsHigh Ridge, MO
High Ridge sits along the Highway 30 corridor and the Northwest school district — heavy on 1970s–80s ranches with tight crawlspaces and undersized return-air ductwork.
AC & furnace service in High RidgeByrnes Mill, MO
Byrnes Mill leans rural — propane heat, split heat pumps, longer line sets, and crawlspace air handlers most companies don't love working on.
AC & furnace service in Byrnes MillMurphy, MO
Murphy sits right at the Fenton/Jefferson County line — mid-century ranches and newer infill homes that almost universally need an airflow diagnosis before any talk of bigger equipment.
AC & furnace service in MurphyDittmer, MO
Dittmer is rural country — most homes run propane or split heat pumps, with crawlspace air handlers and the longer line sets that come with that.
AC & furnace service in DittmerPlattin, MO
Plattin's mix of country homes, farmsteads, and newer rural builds runs heavy on propane heat and split AC systems — the long line sets and combustion checks are part of a normal week.
AC & furnace service in PlattinMapaville, MO
Mapaville is practically next door — older farmhouses, newer rural builds, and a service area we can usually reach faster than almost anywhere else.
AC & furnace service in MapavilleJefferson County HVAC scheduling questions
Does Ricotta have an office in Jefferson County?
Ricotta Heating & Air is based in Hillsboro, Missouri and travels to the communities listed here. These regional guides do not represent separate storefronts.
Can I book a same-day service call?
Call or text to ask about available appointments. Same-day scheduling depends on demand, your address and the work needed; it is not a guaranteed dispatch time.
Are repair diagnostics free?
Free estimates apply to HVAC system replacements. Ask about diagnostic charges when scheduling an AC or furnace repair. Our hours are 7 AM–8 PM every day.
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.