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Assured Heating & CoolingHVAC contractor in Saint Charles, MO

Assured Heating & Cooling is an HVAC contractor at 400 N 5th St, St Charles, MO 63301, rated 4.9 from 322 Google reviews. Open Monday to Friday.

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Call (314) 651-5969Website ↗

Key facts

Key facts about Assured Heating & Cooling
Address400 N 5th St, St Charles, MO 63301, Saint Charles, MOGet directions
Phone(314) 651-5969
Websiteassuredheatcool.com
HoursMonday to Friday: 8 AM – 4:30 PM
Google rating4.9 from 322 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Saint Charles and 11 towns within 25 miles: Bridgeton, Maryland Heights, Hazelwood, Saint Ann, Saint Peters, Berkeley, Florissant, Overland, Saint John, Saint Johns and Creve Coeur.

Based in Saint Charles, MOView on map

Opening hours

Opening hours for Assured Heating & Cooling
DayHours
Monday8 AM – 4:30 PM
Tuesday8 AM – 4:30 PM
Wednesday8 AM – 4:30 PM
Thursday8 AM – 4:30 PM
Friday8 AM – 4:30 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

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.

Reviews

ContractorsRanked reviews

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Google

4.9from 322 Google reviews

Hired Assured Heating & Cooling? Write a review

Questions about Assured Heating & Cooling

What are Assured Heating & Cooling’s hours?

Assured Heating & Cooling is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 4:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Assured Heating & Cooling serve?

Serves Saint Charles and 11 towns within 25 miles: Bridgeton, Maryland Heights, Hazelwood, Saint Ann, Saint Peters, Berkeley, Florissant, Overland, Saint John, Saint Johns and Creve Coeur. 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 Assured Heating & Cooling?

Assured Heating & Cooling has a rating of 4.9 from 322 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 Assured Heating & Cooling?

Call Assured Heating & Cooling on (314) 651-5969. The business is at 400 N 5th St, St Charles, MO 63301, Saint Charles, MO. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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