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Wentzville Air & RefrigerationHVAC contractor in O'Fallon, MO

Wentzville Air & Refrigeration is an HVAC contractor in O'Fallon, MO, ranked #42 of 293 HVAC contractors in O'Fallon and rated 5.0 from 15 Google reviews. Open 24 hours a day, 7 days a week.

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

Call (636) 655-0675Website ↗

Key facts

Key facts about Wentzville Air & Refrigeration
Phone(636) 655-0675
Websitewentzvilleair.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 15 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, Saint Peters, Wentzville, Weldon Spring, Saint Charles, Chesterfield, Troy, Bridgeton, Wildwood and Maryland Heights.

Based in O'Fallon, MOView on map

Opening hours

Opening hours for Wentzville Air & Refrigeration
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

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

Wentzville Air & Refrigeration compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Wentzville Air & Refrigeration (this business)—595.0 (15)—YesYes
Missouri Furnace & Air Conditioning#40604.9 (275)—YesYes15.0 mi
Schraer Heating & Air Conditioning#41594.8 (22)—YesYes4.7 mi
C-N-O Comfort Zone Heating & Cooling#43594.9 (87)—YesYes5.6 mi

See all 293 ranked HVAC contractors in O'Fallon

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 15 Google reviews

Hired Wentzville Air & Refrigeration? Write a review

Questions about Wentzville Air & Refrigeration

How is Wentzville Air & Refrigeration ranked in O'Fallon?

Wentzville Air & Refrigeration is ranked #42 of 293 HVAC contractors in O'Fallon by CR Score, with 59 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 Wentzville Air & Refrigeration’s hours?

Wentzville Air & Refrigeration is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Wentzville Air & Refrigeration serve?

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

Wentzville Air & Refrigeration has a rating of 5.0 from 15 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 Wentzville Air & Refrigeration?

Call Wentzville Air & Refrigeration on (636) 655-0675. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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