Assured Heating & Cooling
St Charles, MO Furnace Replacement · #2 of 3
Overview
Assured Heating & Cooling leads with furnace replacement work advertised for St. Louis and St. Charles. The site lists same-day and emergency response, including 24/7 availability. The company notes partnerships with Sure Comfort equipment lines. Assured ties services to St. Charles winters and hot, humid summers in nearby St. Louis. Several reviews reference quick emergency turnaround times.
Residential and commercial furnace replacement across St. Charles and greater St. Louis. Emergency service: emergency response available (advertises 24/7 response). Free estimates: free estimates offered per their site. Commercial furnace replacement and same-day service listed for commercial customers.
Score breakdown
St Charles, MO Furnace Replacement average is 80/100. Ranks #2 of 3 listed Furnace Replacement providers in St Charles, MO.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. St Charles average
| Signal | Assured Heating & Cooling | St Charles avg | Delta |
|---|---|---|---|
| Vouched Score | 79/100 | 80/100 | -1 vs avg |
| Google rating | 4.9★ | 5.0★ | -0.1 vs avg |
| Review volume | 350+ | 760+ | -412 vs avg |
Pros
- High Google rating (4.9★ across 350+ reviews)
When to choose them
- You need same-day furnace replacement
- You need same-day or after-hours service
- You have a commercial property
Services
Service area
Contact & hours
Frequently asked questions
What are the pros of Assured Heating & Cooling?
When should I choose Assured Heating & Cooling?
What is the Vouched Score for Assured Heating & Cooling?
How can I contact Assured Heating & Cooling?
What does furnace replacement service typically cost when working with a St Charles, MO provider like Assured Heating & Cooling?
What pricing terms does Assured Heating & Cooling publish on their website?
Does Assured Heating & Cooling do Furnace Replacement in St Charles, MO?
Does Assured Heating & Cooling do Commercial HVAC in St Charles, MO?
Does Assured Heating & Cooling do Emergency HVAC Service in St Charles, MO?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Assured Heating & Cooling (this company) |
79/100 | 4.9★ (350+) | — |
| 76/100 | 4.9★ (465+) | — | |
Integrity Aire ⭐ Best for High-Efficiency Upgrades · ⭐ Best for Commercial AC Replacement |
79/100 | 5.0★ (355+) | — |
B & B Heating & Cooling ⭐ Highest Vouched Score |
86/100 | 5.0★ (1,465+) | — |
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Profile last updated July 22, 2026.