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AAA Home ServicesHVAC contractor in O'Fallon, MO

AAA Home Services is an HVAC contractor at 827 W Terra Ln, O'Fallon, MO 63366, ranked #38 of 293 HVAC contractors in O'Fallon and rated 4.7 from 834 Google reviews. Open Monday to Saturday.

O'Fallon, MOUpdated 0 paid placements in any rankingHow we rank

Call (636) 397-3200Website ↗

Key facts

Key facts about AAA Home Services
Address827 W Terra Ln, O'Fallon, MO 63366Get directions
Phone(636) 397-3200
Websiteaaastl.com
HoursMonday to Friday: 7 AM – 4 PM; Saturday: 8 AM – 12 PM
Google rating4.7 from 834 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingadditional Google category

Service area

Serves O'Fallon and 11 towns within 25 miles: Dardenne Prairie, Lake Saint Louis, Saint Peters, Weldon Spring, Wentzville, Chesterfield, Saint Charles, Wildwood, Ellisville, Bridgeton and Maryland Heights.

Based in O'Fallon, MOView on map

Opening hours

Opening hours for AAA Home Services
DayHours
Monday7 AM – 4 PM
Tuesday7 AM – 4 PM
Wednesday7 AM – 4 PM
Thursday7 AM – 4 PM
Friday7 AM – 4 PM
Saturday8 AM – 12 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

AAA Home Services compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
AAA Home Services (this business)—604.7 (834)—YesNo
Stevenson#36604.9 (67)—YesYes5.0 mi
Raydel Heating and Cooling#37605.0 (101)—YesYes8.5 mi
B & B Heating & Cooling#39604.9 (1,285)—YesYes21.9 mi

See all 293 ranked HVAC contractors in O'Fallon

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.7from 834 Google reviews

Hired AAA Home Services? Write a review

Questions about AAA Home Services

How is AAA Home Services ranked in O'Fallon?

AAA Home Services is ranked #38 of 293 HVAC contractors in O'Fallon by CR Score, with 60 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are AAA Home Services’ hours?

AAA Home Services is open Monday to Saturday. Its listed hours are Monday to Friday, 7 AM – 4 PM; Saturday, 8 AM – 12 PM. On Saturdays it is open 8 AM to 12 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does AAA Home Services serve?

Serves O'Fallon and 11 towns within 25 miles: Dardenne Prairie, Lake Saint Louis, Saint Peters, Weldon Spring, Wentzville, Chesterfield, Saint Charles, Wildwood, Ellisville, Bridgeton and Maryland Heights. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about AAA Home Services?

AAA Home Services has a rating of 4.7 from 834 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact AAA Home Services?

Call AAA Home Services on (636) 397-3200. The business is at 827 W Terra Ln, O'Fallon, MO 63366. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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