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Reliable Heating & Cooling Inc.HVAC contractor in O'Fallon, MO

Reliable Heating & Cooling Inc. is an HVAC contractor at 2813 W Terra Ln, O'Fallon, MO 63366, ranked #27 of 293 HVAC contractors in O'Fallon and rated 4.8 from 112 Google reviews. Open 24 hours a day, 7 days a week.

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

Call (314) 207-6489Website ↗

Key facts

Key facts about Reliable Heating & Cooling Inc.
Address2813 W Terra Ln, O'Fallon, MO 63366Get directions
Phone(314) 207-6489
Websitetrustreliable.com
HoursOpen 24 hours, 7 days a week
Google rating4.8 from 112 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, Weldon Spring, Saint Peters, Chesterfield, Saint Charles, Wildwood, Troy, Ellisville and Ballwin.

Based in O'Fallon, MOView on map

Opening hours

Opening hours for Reliable Heating & Cooling Inc.
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

Reliable Heating & Cooling Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Reliable Heating & Cooling Inc. (this business)—614.8 (112)—YesYes
Fresh Air Heating and Cooling#25624.9 (1,784)—YesYes11.1 mi
Classic Aire Care#26625.0 (1,014)—YesYes17.7 mi
Superior Service#28614.9 (1,766)—YesYes12.4 mi

See all 293 ranked HVAC contractors in O'Fallon

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.8from 112 Google reviews

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Questions about Reliable Heating & Cooling Inc.

How is Reliable Heating & Cooling Inc. ranked in O'Fallon?

Reliable Heating & Cooling Inc. is ranked #27 of 293 HVAC contractors in O'Fallon by CR Score, with 61 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 Reliable Heating & Cooling Inc.’s hours?

Reliable Heating & Cooling Inc. 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 Reliable Heating & Cooling Inc. serve?

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

Reliable Heating & Cooling Inc. has a rating of 4.8 from 112 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 Reliable Heating & Cooling Inc.?

Call Reliable Heating & Cooling Inc. on (314) 207-6489. The business is at 2813 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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