Skip to content
ContractorsRanked

Welsch Heating & CoolingHVAC contractor in St. Louis, MO

Welsch Heating & Cooling is an HVAC contractor at 2175 Welsch Industrial Ct, St. Louis, MO 63146, ranked #43 of 438 HVAC contractors in St. Louis and rated 4.5 from 162 Google reviews. Open 24 hours a day, 7 days a week.

St. Louis, MOUpdated 0 paid placements in any rankingHow we rank

Call (314) 872-8070Website ↗

Key facts

Key facts about Welsch Heating & Cooling
Address2175 Welsch Industrial Ct, St. Louis, MO 63146Get directions
Phone(314) 872-8070
Websitewelsch-heatcool.com
HoursOpen 24 hours, 7 days a week
Google rating4.5 from 162 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves St. Louis and 12 towns within 25 miles: Maryland Heights, Creve Coeur, Saint Ann, Overland, Olivette, Ladue, Bridgeton, Saint John, Saint Johns, Hazelwood, Town and Country and Saint Charles.

Based in St. Louis, MOView on map

Opening hours

Opening hours for Welsch 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

Welsch Heating & Cooling compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Welsch Heating & Cooling (this business)—614.5 (162)—YesYes
Martin Jetco Heating & Air Conditioning#41614.9 (1,177)—YesYes14.5 mi
The Furnace Guys Heating & Cooling LLC#42615.0 (123)—YesYes21.6 mi
Energy Stars Heating & Cooling Co#44614.9 (1,175)—YesNo15.0 mi

See all 438 ranked HVAC contractors in St. Louis

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.5from 162 Google reviews

Hired Welsch Heating & Cooling? Write a review

Questions about Welsch Heating & Cooling

How is Welsch Heating & Cooling ranked in St. Louis?

Welsch Heating & Cooling is ranked #43 of 438 HVAC contractors in St. Louis 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 Welsch Heating & Cooling’s hours?

Welsch 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 Welsch Heating & Cooling serve?

Serves St. Louis and 12 towns within 25 miles: Maryland Heights, Creve Coeur, Saint Ann, Overland, Olivette, Ladue, Bridgeton, Saint John, Saint Johns, Hazelwood, Town and Country and Saint Charles. 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 Welsch Heating & Cooling?

Welsch Heating & Cooling has a rating of 4.5 from 162 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 Welsch Heating & Cooling?

Call Welsch Heating & Cooling on (314) 872-8070. The business is at 2175 Welsch Industrial Ct, St. Louis, MO 63146. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

Own Welsch Heating & Cooling? 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