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SmartHouse Heating and CoolingHVAC contractor in St. Louis, MO

SmartHouse Heating and Cooling is an HVAC contractor at 6921 Olive Blvd, St. Louis, MO 63130, ranked #9 of 438 HVAC contractors in St. Louis and rated 4.9 from 476 Google reviews. Open 24 hours a day, 7 days a week.

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

Call (314) 451-5391Website ↗

Key facts

Key facts about SmartHouse Heating and Cooling
Address6921 Olive Blvd, St. Louis, MO 63130Get directions
Phone(314) 451-5391
Websitecallsmarthouse.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 476 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: University City, Clayton, Richmond Heights, Olivette, Overland, Maplewood, Saint Johns, Ladue, Brentwood, Saint John, Jennings and Shrewsbury.

Based in St. Louis, MOView on map

Opening hours

Opening hours for SmartHouse Heating and 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

SmartHouse Heating and Cooling compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
SmartHouse Heating and Cooling (this business)—644.9 (476)—YesYes
Hoffmann Brothers#7654.9 (10,949)—YesYes3.1 mi
Hoffmann Brothers#8644.9 (5,170)—YesNo4.4 mi
St. Louis Heating and Air Conditioning#10644.9 (487)—YesYes4.4 mi

See all 438 ranked HVAC contractors in St. Louis

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 476 Google reviews

Hired SmartHouse Heating and Cooling? Write a review

Questions about SmartHouse Heating and Cooling

How is SmartHouse Heating and Cooling ranked in St. Louis?

SmartHouse Heating and Cooling is ranked #9 of 438 HVAC contractors in St. Louis by CR Score, with 64 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 SmartHouse Heating and Cooling’s hours?

SmartHouse Heating and 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 SmartHouse Heating and Cooling serve?

Serves St. Louis and 12 towns within 25 miles: University City, Clayton, Richmond Heights, Olivette, Overland, Maplewood, Saint Johns, Ladue, Brentwood, Saint John, Jennings and Shrewsbury. 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 SmartHouse Heating and Cooling?

SmartHouse Heating and Cooling has a rating of 4.9 from 476 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 SmartHouse Heating and Cooling?

Call SmartHouse Heating and Cooling on (314) 451-5391. The business is at 6921 Olive Blvd, St. Louis, MO 63130. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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