Heating, Cooling & Home Services in Wentzville, MO
Home Services in Wentzville, MO
AAA Home Services runs its heating and cooling division out of a local office at 407 E Pearce Blvd in Wentzville, and the Wentzville team is rated 5.0 stars from 420 Google reviews. Family-owned since 1970, we handle furnace repair and tune-ups, AC repair, and new system installs for homes across Wentzville, Lake St. Louis, O'Fallon and the rest of western St. Charles County, plus Warren and Lincoln Counties. Same-day appointments are available weekdays until 4 PM and Saturdays until 1 PM. Our technicians aren't paid on commission, so the repair-or-replace advice you get is the honest version.
Local Office
407 E Pearce Blvd., Wentzville
5.0
420+ Google Reviews
A+
BBB Rating
No Commission
Honest Technicians
AAA has a Wentzville office. Located at 407 E Pearce Blvd., Ste. A, Wentzville, MO 63385, our team serves Wentzville homeowners directly along with communities throughout Warren County and Lincoln County.
Serving beyond Wentzville: AAA dispatches from our Wentzville location to serve Warren County (Warrenton, Wright City, Marthasville) and Lincoln County (Troy, Elsberry, Moscow Mills). One company, three-county coverage.
Wentzville Home Services from AAA

Wentzville is one of the fastest-growing cities in Missouri and with that growth comes a full range of home service needs, from new construction HVAC installs to urgent repairs in established neighborhoods like Old Town Wentzville and New Town. AAA Home Services has been the trusted name in Wentzville home service since 1970.
We cover every major home system: heating & cooling, plumbing, electrical, water heaters, and appliance repair. AAA technicians do not work on commission unlike many home service companies so every recommendation you receive is based on what your home actually needs.
Wentzville Home Services
Why Wentzville Homeowners Choose AAA
A local Wentzville office. AAA maintains an office at 407 E Pearce Blvd. in Wentzville not a call center routing you to whoever's available. When you need service, local technicians who know the Wentzville area respond.
Warren County and Lincoln County coverage. No other major home service company has the Wentzville-area presence that AAA does for rural Warren and Lincoln County homeowners. AAA dispatches to Warrenton, Wright City, Troy, Elsberry, and surrounding communities from this same location.
Non-commissioned technicians. Unlike many home service companies, AAA technicians do not work on commission. When they recommend a repair, it's needed. When they say replace, they mean it with honest numbers to back it up.
Wentzville's fast growth AAA keeps up. With Wentzville's explosive residential growth, AAA handles everything from first furnace replacements in 2000s-era subdivisions to new system installs in the newest builds. We understand both the new builds and the older homes in the 63385 zip code equally well.
Wentzville Area We Serve
63385 Wentzville · 63367 Lake St. Louis · 63368 Dardenne Prairie / O'Fallon · 63348 Foristell · 63390 Wright City · 63383 Warrenton · 63379 Troy
From older homes near downtown Wentzville to the newest subdivisions, our Wentzville office serves homes throughout St. Charles, St. Louis, Lincoln and Warren Counties.
Wentzville Heating & Cooling Questions, Answered
Who is the best-rated heating and cooling company in Wentzville, MO?
AAA Heating & Cooling, the Wentzville office of AAA Home Services, is rated 5.0 stars from 420 Google reviews. The office is at 407 E Pearce Blvd, and the family-owned company has served St. Charles County homeowners since 1970 with upfront pricing and technicians who don't work on commission.
Do you offer same-day furnace repair in Wentzville?
Yes. Same-day furnace and AC appointments are available weekdays until 4 PM and Saturdays until 1 PM. Our HVAC technicians dispatch from the Pearce Blvd office in Wentzville, so we're close by for Wentzville, Lake St. Louis, Foristell and Wright City homes. Request service online or call (636) 397-3200.
What areas does your Wentzville office serve?
The Wentzville office covers Wentzville, Lake St. Louis, Dardenne Prairie, O'Fallon, Foristell and Cottleville in St. Charles County, plus Wright City and Warrenton in Warren County and Troy in Lincoln County. AAA serves homes throughout St. Charles, St. Louis, Lincoln and Warren Counties.
How much does furnace repair cost in Wentzville?
AAA uses Fair and Honest Pricing. You get an upfront price before any work starts, and our technicians never earn sales commissions. A simple igniter or flame sensor fix costs far less than a blower motor or control board, but the price you approve is the price you pay.
Should I get a furnace tune-up before winter?
Yes. A fall tune-up catches worn igniters, dirty flame sensors and failing blower parts before the first cold snap. Our technicians clean and test the system and check the heat exchanger for cracks. Book a tune-up online or call (636) 397-3200.









