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KirbnJays Heating & CoolingHVAC contractor in O'Fallon, MO

KirbnJays Heating & Cooling is an HVAC contractor at 674 Whispering Willow Dr, O'Fallon, MO 63366, ranked #11 of 293 HVAC contractors in O'Fallon and rated 4.9 from 340 Google reviews. Open 24 hours a day, 7 days a week.

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

Call (636) 747-1283Website ↗

Key facts

Key facts about KirbnJays Heating & Cooling
Address674 Whispering Willow Dr, O'Fallon, MO 63366Get directions
Phone(636) 747-1283
Websitekirbnjayshvac.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 340 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: Dardenne Prairie, Saint Peters, Lake Saint Louis, Weldon Spring, Wentzville, Chesterfield, Saint Charles, Wildwood, Ellisville, Maryland Heights and Bridgeton.

Based in O'Fallon, MOView on map

Opening hours

Opening hours for KirbnJays Heating & Cooling
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

KirbnJays Heating & Cooling compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
KirbnJays Heating & Cooling (this business)—634.9 (340)—YesYes
Design Aire Heating and Cooling#9645.0 (775)—YesYes1.2 mi
B & B Heating & Cooling#10645.0 (1,348)—YesYes8.6 mi
Superior Service#12635.0 (2,219)—YesYes6.3 mi

See all 293 ranked HVAC contractors in O'Fallon

Reviews

ContractorsRanked reviews

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Google

4.9from 340 Google reviews

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Questions about KirbnJays Heating & Cooling

How is KirbnJays Heating & Cooling ranked in O'Fallon?

KirbnJays Heating & Cooling is ranked #11 of 293 HVAC contractors in O'Fallon by CR Score, with 63 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 KirbnJays Heating & Cooling’s hours?

KirbnJays Heating & Cooling 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 KirbnJays Heating & Cooling serve?

Serves O'Fallon and 11 towns within 25 miles: Dardenne Prairie, Saint Peters, Lake Saint Louis, Weldon Spring, Wentzville, Chesterfield, Saint Charles, Wildwood, Ellisville, Maryland Heights 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 KirbnJays Heating & Cooling?

KirbnJays Heating & Cooling has a rating of 4.9 from 340 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 KirbnJays Heating & Cooling?

Call KirbnJays Heating & Cooling on (636) 747-1283. The business is at 674 Whispering Willow Dr, 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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