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 July 2026, RatingsNearMe ranks 12 hvac companies in Florissant, MO by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Goldkamp Heating & Cooling with a 4.9-star rating from 1,459 Google reviews and an RNM Score of 87/100. 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 July 4, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Best Overall
Air Comfort Service, Inc.
Consistently top-ranked by customers and local directories, this company stands out for its reliable service and strong reputation in Florissant.
Most Reviewed
Reliable Heating & Cooling Inc.
A high number of reviews indicates proven customer trust and a track record of consistent performance in the community.
When selecting an HVAC provider in Florissant, compare multiple quotes, check recent reviews, and verify licensing and insurance to ensure you receive quality work and fair pricing.
Local Market Snapshot
12
Businesses listed
4.8★
Avg rating
937
Avg reviews
Jul 4, 2026
Last updated
Top Rated HVAC Companies
Trusted by thousands, this Florissant HVAC company holds a stellar 4.9-star rating.
890 N Lafayette St, Florissant, MO 63031, USAThis Florissant HVAC company has 4.9 stars from 6,821 reviews.
4631 N St Peters Pkwy, St Peters, MO 63304, USATrusted by over 2,000 customers with a near-perfect 4.9-star rating.
11920 Missouri Bottom Rd, Hazelwood, MO 63042, USAHVAC 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 | Hazelwood Heating and Cooling8856 Pershall Rd, Hazelwood, MO 63042, USA | 5.0★ | 20 |
| #5 | Ehrlich's Kitchens & Baths, Heating & Cooling5995 Howdershell Rd, Hazelwood, MO 63042, USA | 4.8★ | 58 |
| #6 | Click Heating & Cooling124 St Francois St, Florissant, MO 63031, USA | 5.0★ | 28 |
| #7 | Florissant Heating and Cooling153 Flower Valley Shopping, Florissant, MO 63033, USA | 4.8★ | 17 |
| #8 | Nu-Way Heating & Air Conditioning9 St George Ct, Florissant, MO 63031, USA | 4.5★ | 71 |
| #9 | ACE Service Experts Heating & Cooling801 Rue St. Francois St Apt D, Florissant, MO 63031, USA | 4.8★ | 374 |
| #10 | Reliable Heating & Cooling Inc.2813 W Terra Ln, O'Fallon, MO 63366, USA | 4.8★ | 114 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated July 2026
All HVAC Companies in Florissant
Exceptional 5.0-star rating from 20 reviews in Florissant.
8856 Pershall Rd, Hazelwood, MO 63042, USA
Top-rated HVAC provider in Florissant with a 4.8-star average from 58 reviews.
5995 Howdershell Rd, Hazelwood, MO 63042, USA
Known for exceptional 5.0-star service across 28 glowing Google reviews.
124 St Francois St, Florissant, MO 63031, USA
Exceptional 4.8-star rating from 17 reviews reflects top-quality local service.
153 Flower Valley Shopping, Florissant, MO 63033, USA
Known for strong 4.5-star ratings from over 70 reviews in Florissant.
9 St George Ct, Florissant, MO 63031, USA
Trusted by hundreds of customers, this Florissant HVAC company holds a 4.8-star rating.
801 Rue St. Francois St Apt D, Florissant, MO 63031, USA
Trusted by hundreds of local customers with a 4.8-star rating.
2813 W Terra Ln, O'Fallon, MO 63366, USA
Exceptional 5.0-star rating from Google reviews for HVAC service in Florissant.
4397 Varano Dr, Florissant, MO 63033, USA
4.5 stars from over 160 Google reviews, reflecting strong local trust.
2175 Welsch Industrial Ct, St. Louis, MO 63146, USA
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HVAC Companies in Florissant, MO — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Goldkamp Heating & Cooling | 87/100 | 4.9 ★ | 1,459 |
| 2 | Jerry Kelly Heating, Air Conditioning, Electrical & Plumbing | 87/100 | 4.9 ★ | 6,821 |
| 3 | Air Comfort Service, Inc. | 87/100 | 4.9 ★ | 2,115 |
| 4 | Hazelwood Heating and Cooling | 75/100 | 5.0 ★ | 20 |
| 5 | Ehrlich's Kitchens & Baths, Heating & Cooling | 77/100 | 4.8 ★ | 58 |
| 6 | Click Heating & Cooling | 77/100 | 5.0 ★ | 28 |
| 7 | Florissant Heating and Cooling | 71/100 | 4.8 ★ | 17 |
| 8 | Nu-Way Heating & Air Conditioning | 73/100 | 4.5 ★ | 71 |
| 9 | ACE Service Experts Heating & Cooling | 85/100 | 4.8 ★ | 374 |
| 10 | Reliable Heating & Cooling Inc. | 81/100 | 4.8 ★ | 114 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · July 2026
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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: July 4, 2026.
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