24/7 Available · Alpharetta
24-Hour HVAC Companies in Alpharetta, GA — Always Available
Emergencies don't keep business hours. These hvac companies in Alpharetta are available 24 hours a day, 7 days a week — including holidays.
As of June 2026, RatingsNearMe ranks 9 hvac companies in Alpharetta, GA by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is 4 Seasons Heating & Air with a 4.9-star rating from 2,606 Google reviews and an RNM Score of 87/100. Also in the top tier: Gagne Heating & Air Conditioning and Superior Indoor Comfort, Inc.. The average rating across all listed hvac companies in Alpharetta is 4.9 stars from 628 reviews per business on average.
HVAC service in Alpharetta: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated June 9, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Alpharetta, GA is home to a variety of HVAC companies that provide heating, ventilation, and air conditioning services to local residents and businesses. When searching for an HVAC provider in the area, consumers should consider factors such as licensing, experience, and customer reviews.
- ✓Alpharetta, GA has a range of HVAC companies to choose from
- ✓Consumers should research licensing, experience, and reviews when selecting an HVAC provider
- ✓HVAC services in the area include installation, repair, and maintenance
Best Overall
Emergency Heating and Air Conditioning
It is the highest-ranked HVAC provider in Alpharetta based on customer satisfaction and service excellence.
Most Reviewed
One Hour Heating & Air Conditioning
A high review count indicates broad customer experience and proven reliability, helping consumers make an informed choice.
When selecting an HVAC company in Alpharetta, compare both review volume and overall rating, and always request a detailed written estimate before any work begins.
How to Choose a HVAC Companie in Alpharetta
What to look for
- • Licensed and insured HVAC contractors
- • Experienced technicians with proper training and certifications
- • Positive reviews and references from past customers
- • Transparent pricing and upfront cost estimates
Questions to ask
- • How long have you been in business in the Alpharetta area?
- • What type of HVAC systems do you specialize in?
- • Can you provide a detailed written estimate for the work needed?
Red flags
- ⚠ Contractors who do not have a physical business address in Alpharetta
- ⚠ Unusually low estimates that seem too good to be true
- ⚠ Lack of clear warranties or guarantees on parts and labor
In Georgia, HVAC contractors must be licensed and insured. Be sure to verify a contractor's license and insurance coverage before hiring them for any work in Alpharetta.
Local Market Snapshot
9
Businesses listed
4.9★
Avg rating
628
Avg reviews
Jun 9, 2026
Last updated
Top Rated HVAC Companies
Shoppers praise this Alpharetta HVAC company, earning a 4.9-star rating from over 2,600 reviews.
5876 Atlanta Hwy, Alpharetta, GA 30004, USAAlpharetta HVAC with a 4.9-star rating from over 1,600 Google reviews.
4095 Nine McFarland Dr, Alpharetta, GA 30004, USA4.9 stars from nearly 500 reviews for HVAC service in Alpharetta.
13955 GA-9, Alpharetta, GA 30004, USAHVAC Companies Rankings in Alpharetta, GA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | 4 Seasons Heating & Air5876 Atlanta Hwy, Alpharetta, GA 30004, USA | 4.9★ | 2,606 |
| #2 | Gagne Heating & Air Conditioning4095 Nine McFarland Dr, Alpharetta, GA 30004, USA | 4.9★ | 1,649 |
| #3 | Superior Indoor Comfort, Inc.13955 GA-9, Alpharetta, GA 30004, USA | 4.9★ | 481 |
| #4 | Gee1360 Union Hill Rd Suite #6D, Alpharetta, GA 30004, USA | 4.9★ | 460 |
| #5 | One Hour Heating & Air Conditioning1360 Union Hill Rd ste 5f, Alpharetta, GA 30004, USA | 5.0★ | 171 |
| #6 | ClimateSmith, LLC5190 Performance Dr, Cumming, GA 30040, USA | 4.9★ | 56 |
| #7 | Varsity Zone HVAC of Alpharetta1005 Union Hill Rd #12, Alpharetta, GA 30004, USA | 4.9★ | 35 |
| #8 | Montell Heating & Air Conditioning LLC5735 N Commerce Ct Suite A, Alpharetta, GA 30004, USA | 5.0★ | 58 |
| #9 | Emergency Heating and Air Conditioning1847 Canton Hwy Suite #6, Cumming, GA 30040, USA | 4.9★ | 132 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in Alpharetta
1360 Union Hill Rd ste 5f, Alpharetta, GA 30004, USA
1005 Union Hill Rd #12, Alpharetta, GA 30004, USA
5735 N Commerce Ct Suite A, Alpharetta, GA 30004, USA
1847 Canton Hwy Suite #6, Cumming, GA 30040, USA
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We'll connect you with the top hvac companies in Alpharetta, GA.
HVAC Companies in Alpharetta, GA — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | 4 Seasons Heating & Air | 87/100 | 4.9 ★ | 2,606 |
| 2 | Gagne Heating & Air Conditioning | 87/100 | 4.9 ★ | 1,649 |
| 3 | Superior Indoor Comfort, Inc. | 87/100 | 4.9 ★ | 481 |
| 4 | Gee | 87/100 | 4.9 ★ | 460 |
| 5 | One Hour Heating & Air Conditioning | 86/100 | 5.0 ★ | 171 |
| 6 | ClimateSmith, LLC | 79/100 | 4.9 ★ | 56 |
| 7 | Varsity Zone HVAC of Alpharetta | 76/100 | 4.9 ★ | 35 |
| 8 | Montell Heating & Air Conditioning LLC | 80/100 | 5.0 ★ | 58 |
| 9 | Emergency Heating and Air Conditioning | 83/100 | 4.9 ★ | 132 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
Frequently Asked Questions — HVAC Companies in Alpharetta
How do I find the best hvac companies in Alpharetta?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Alpharetta on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Alpharetta licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, GA 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 Alpharetta, GA?
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 Alpharetta?
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: June 9, 2026.
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