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Brown'sHVAC contractor in O'Fallon, MO

Brown's is an HVAC contractor at 2788 Hwy Y, O'Fallon, MO 63366, ranked #50 of 293 HVAC contractors in O'Fallon and rated 4.7 from 37 Google reviews. Open 7 days a week.

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

Call (636) 272-2041Website ↗

Key facts

Key facts about Brown's
Address2788 Hwy Y, O'Fallon, MO 63366Get directions
Phone(636) 272-2041
Websitebrownheatingandair.com
HoursMonday to Sunday: 9 AM – 5 PM
Google rating4.7 from 37 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

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

Based in O'Fallon, MOView on map

Opening hours

Opening hours for Brown's
DayHours
Monday9 AM – 5 PM
Tuesday9 AM – 5 PM
Wednesday9 AM – 5 PM
Thursday9 AM – 5 PM
Friday9 AM – 5 PM
Saturday9 AM – 5 PM
Sunday9 AM – 5 PM
  • Open evenings — no
  • Open Saturdays
  • Open Sundays

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

Brown's compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Brown's (this business)—584.7 (37)—YesYes
Wyzer Heating and Cooling 🔥❄️👨‍🔧#48585.0 (25)—YesYes13.5 mi
O'Fallon Heating Air Conditioning#49584.8 (26)—YesYes13.8 mi

See all 293 ranked HVAC contractors in O'Fallon

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.7from 37 Google reviews

Hired Brown's? Write a review

Questions about Brown's

How is Brown's ranked in O'Fallon?

Brown's is ranked #50 of 293 HVAC contractors in O'Fallon by CR Score, with 58 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 Brown's’ hours?

Brown's is open 7 days a week. Its listed hours are Monday to Sunday, 9 AM – 5 PM. On Saturdays it is open 9 AM to 5 PM, and on Sundays 9 AM to 5 PM. Hours come from the business listing; holiday hours may differ.

What areas does Brown's serve?

Serves O'Fallon and 11 towns within 25 miles: Wentzville, Lake Saint Louis, Dardenne Prairie, Troy, Saint Peters, Weldon Spring, Saint Charles, Warrenton, Chesterfield, Bridgeton and Wildwood. 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 Brown's?

Brown's has a rating of 4.7 from 37 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 Brown's?

Call Brown's on (636) 272-2041. The business is at 2788 Hwy Y, 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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