Skip to content
ContractorsRanked

Hoff Heating & ACHVAC contractor in O'Fallon, MO

Hoff Heating & AC is an HVAC contractor at 1520 Kemmar Ct, O'Fallon, MO 63366, ranked #22 of 293 HVAC contractors in O'Fallon and rated 4.9 from 1,490 Google reviews. Open Monday to Saturday.

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

Call (636) 388-7676Website ↗

Key facts

Key facts about Hoff Heating & AC
Address1520 Kemmar Ct, O'Fallon, MO 63366Get directions
Phone(636) 388-7676
Websitehoffheating.com
HoursMonday to Friday: 7:30 AM – 5 PM; Saturday: 8 AM – 4 PM
Google rating4.9 from 1,490 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: Lake Saint Louis, Dardenne Prairie, Wentzville, Saint Peters, Weldon Spring, Chesterfield, Saint Charles, Troy, Wildwood, Ellisville and Bridgeton.

Based in O'Fallon, MOView on map

Opening hours

Opening hours for Hoff Heating & AC
DayHours
Monday7:30 AM – 5 PM
Tuesday7:30 AM – 5 PM
Wednesday7:30 AM – 5 PM
Thursday7:30 AM – 5 PM
Friday7:30 AM – 5 PM
Saturday8 AM – 4 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

Hoff Heating & AC compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Hoff Heating & AC (this business)—624.9 (1,490)—YesNo
Classic Aire Care#20624.9 (4,820)—YesYes21.6 mi
AAA Heating & Cooling#21625.0 (413)—YesYes5.1 mi
AAA Appliance Sales, Repair and Parts Center#23624.7 (2,039)—YesYes6.7 mi

See all 293 ranked HVAC contractors in O'Fallon

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 1,490 Google reviews

Hired Hoff Heating & AC? Write a review

Questions about Hoff Heating & AC

How is Hoff Heating & AC ranked in O'Fallon?

Hoff Heating & AC is ranked #22 of 293 HVAC contractors in O'Fallon by CR Score, with 62 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 Hoff Heating & AC’s hours?

Hoff Heating & AC is open Monday to Saturday. Its listed hours are Monday to Friday, 7:30 AM – 5 PM; Saturday, 8 AM – 4 PM. On Saturdays it is open 8 AM to 4 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Hoff Heating & AC serve?

Serves O'Fallon and 11 towns within 25 miles: Lake Saint Louis, Dardenne Prairie, Wentzville, Saint Peters, Weldon Spring, Chesterfield, Saint Charles, Troy, Wildwood, Ellisville and Bridgeton. 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 Hoff Heating & AC?

Hoff Heating & AC has a rating of 4.9 from 1,490 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 Hoff Heating & AC?

Call Hoff Heating & AC on (636) 388-7676. The business is at 1520 Kemmar Ct, O'Fallon, MO 63366. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

Own Hoff Heating & AC? Claim this profile.

Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

Claim this profile