Top Picks · Florissant
Best HVAC Companies in Florissant, MO
Rated and reviewed by real customers. Compare prices, read reviews, and call the top pros near you — for free.
As of May 2026, RatingsNearMe ranks 12 hvac companies in Florissant, MO by verified customer ratings and review volume. The highest-rated is Goldkamp Heating & Cooling with a 4.9-star rating from 1,459 verified reviews. Also in the top tier: Jerry Kelly Heating, Air Conditioning, Electrical & Plumbing and Air Comfort Service, Inc.. The average rating across all listed hvac companies in Florissant is 4.8 stars from 937 reviews per business on average.
HVAC service in Florissant: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
12
Businesses listed
4.8★
Avg rating
937
Avg reviews
May 17, 2026
Last updated
Top Rated HVAC Companies
Goldkamp Heating & Cooling
890 N Lafayette St, Florissant, MO 63031, USA
Jerry Kelly Heating, Air Conditioning, Electrical & Plumbing
4631 N St Peters Pkwy, St Peters, MO 63304, USA
Air Comfort Service, Inc.
11920 Missouri Bottom Rd, Hazelwood, MO 63042, USA
HVAC Companies Rankings in Florissant, MO
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Goldkamp Heating & Cooling890 N Lafayette St, Florissant, MO 63031, USA | 4.9★ | 1,459 |
| #2 | Jerry Kelly Heating, Air Conditioning, Electrical & Plumbing4631 N St Peters Pkwy, St Peters, MO 63304, USA | 4.9★ | 6,821 |
| #3 | Air Comfort Service, Inc.11920 Missouri Bottom Rd, Hazelwood, MO 63042, USA | 4.9★ | 2,115 |
| #4 | Welsch Heating & Cooling2175 Welsch Industrial Ct, St. Louis, MO 63146, USA | 4.5★ | 162 |
| #5 | Click Heating & Cooling124 St Francois St, Florissant, MO 63031, USA | 5.0★ | 28 |
| #6 | ACE Service Experts Heating & Cooling801 Rue St. Francois St Apt D, Florissant, MO 63031, USA | 4.8★ | 374 |
| #7 | Nu-Way Heating & Air Conditioning9 St George Ct, Florissant, MO 63031, USA | 4.5★ | 71 |
| #8 | Florissant Heating and Cooling153 Flower Valley Shopping, Florissant, MO 63033, USA | 4.8★ | 17 |
| #9 | Hazelwood Heating and Cooling8856 Pershall Rd, Hazelwood, MO 63042, USA | 5.0★ | 20 |
| #10 | Ehrlich's Kitchens & Baths, Heating & Cooling5995 Howdershell Rd, Hazelwood, MO 63042, USA | 4.8★ | 58 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated May 2026
All HVAC Companies in Florissant
Welsch Heating & Cooling
2175 Welsch Industrial Ct, St. Louis, MO 63146, USA
Click Heating & Cooling
124 St Francois St, Florissant, MO 63031, USA
ACE Service Experts Heating & Cooling
801 Rue St. Francois St Apt D, Florissant, MO 63031, USA
Nu-Way Heating & Air Conditioning
9 St George Ct, Florissant, MO 63031, USA
Florissant Heating and Cooling
153 Flower Valley Shopping, Florissant, MO 63033, USA
Hazelwood Heating and Cooling
8856 Pershall Rd, Hazelwood, MO 63042, USA
Ehrlich's Kitchens & Baths, Heating & Cooling
5995 Howdershell Rd, Hazelwood, MO 63042, USA
HEATING & COOLING - X-CEL'S CONCEPT II
4397 Varano Dr, Florissant, MO 63033, USA
Reliable Heating & Cooling Inc.
2813 W Terra Ln, O'Fallon, MO 63366, USA
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Frequently Asked Questions — HVAC Companies in Florissant
How do I find the best hvac companies in Florissant?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Florissant on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Florissant licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, MO requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in Florissant, MO?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in Florissant?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: May 17, 2026.
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