Top Picks · Sunnyvale
Best HVAC Companies in Sunnyvale, CA
Rated and reviewed by real customers. Compare prices, read reviews, and call the top pros near you — for free.
As of June 2026, RatingsNearMe ranks 13 hvac companies in Sunnyvale, CA by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Same Day Air Conditioning & Heating with a 4.7-star rating from 551 Google reviews and an RNM Score of 83/100. Also in the top tier: Galaxy Heating & Air Conditioning and Fuse Service. The average rating across all listed hvac companies in Sunnyvale is 4.9 stars from 134 reviews per business on average.
HVAC service in Sunnyvale: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated June 10, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Sunnyvale, CA is home to a variety of HVAC companies that provide services such as installation, repair, and maintenance of heating, ventilation, and air conditioning systems. Consumers should look for licensed, experienced HVAC contractors when searching for local service providers.
- ✓Sunnyvale, CA has multiple HVAC companies to choose from
- ✓HVAC services include installation, repair, and maintenance
- ✓Consumers should look for licensed, experienced HVAC contractors
Best Overall
Fuse Service
Fuse Service is top-ranked due to its consistently high customer satisfaction ratings and comprehensive service offerings.
Most Reviewed
Fuse HVAC, Refrigeration, Electrical & Plumbing
A high review count indicates broad customer experience and trust, making it a reliable choice for most needs.
When choosing an HVAC company in Sunnyvale, prioritize those with strong local reputation and transparent pricing. Always request a written estimate before work begins.
Local Market Snapshot
13
Businesses listed
4.9★
Avg rating
134
Avg reviews
Jun 10, 2026
Last updated
Top Rated HVAC Companies
Highly rated at 4.7 stars from over 550 local Google reviews.
1212 W McKinley Ave #4, Sunnyvale, CA 94086, USATrusted by hundreds of local customers with a stellar 4.8-star rating.
3301 Vincent Rd, Pleasant Hill, CA 94523, USASunnyvale HVAC with exceptional 4.9-star rating from over 270 Google reviews.
965 Amstutz Dr, San Jose, CA 95129, USAHVAC Companies Rankings in Sunnyvale, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Same Day Air Conditioning & Heating1212 W McKinley Ave #4, Sunnyvale, CA 94086, USA | 4.7★ | 551 |
| #2 | Galaxy Heating & Air Conditioning3301 Vincent Rd, Pleasant Hill, CA 94523, USA | 4.8★ | 389 |
| #3 | Fuse Service965 Amstutz Dr, San Jose, CA 95129, USA | 4.9★ | 273 |
| #4 | Fuse HVAC, Refrigeration, Electrical & Plumbing302 Easy St apt.29, Mountain View, CA 94043, USA | 4.9★ | 216 |
| #5 | South Bay Heating and Cooling10337 Miller Ave #3, Cupertino, CA 95014, USA | 4.9★ | 70 |
| #6 | Precision Air Conditioning & Heating1055 Manet Dr, Sunnyvale, CA 94087, USA | 5.0★ | 21 |
| #7 | Grumpy's HVAC493 Vine Ave, Sunnyvale, CA 94086, USA | 5.0★ | 17 |
| #8 | Express Heating & AC Repair1370 Fisherhawk Dr, Sunnyvale, CA 94087, USA | 5.0★ | 13 |
| #9 | Plum HVAC1074 Wentworth St, Mountain View, CA 94043, USA | 5.0★ | 90 |
| #10 | Restart HVAC555 W Middlefield Rd P106, Mountain View, CA 94043, USA | 4.7★ | 66 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in Sunnyvale
Top-rated Sunnyvale HVAC with a 4.9-star average from over 200 reviews.
302 Easy St apt.29, Mountain View, CA 94043, USA
Rated 4.9 stars from 70 Google reviews, this HVAC provider is highly trusted locally.
10337 Miller Ave #3, Cupertino, CA 95014, USA
5.0 stars from 21 reviews, reflecting consistently exceptional customer satisfaction.
1055 Manet Dr, Sunnyvale, CA 94087, USA
Boasting a perfect 5.0-star rating from 17 Google reviews.
493 Vine Ave, Sunnyvale, CA 94086, USA
5.0 stars from 13 reviews, reflecting consistently exceptional customer satisfaction.
1370 Fisherhawk Dr, Sunnyvale, CA 94087, USA
Exceptional 5.0-star rating from 90 local Google reviews in Sunnyvale.
1074 Wentworth St, Mountain View, CA 94043, USA
4.7 stars from 66 reviews, reflecting strong customer satisfaction.
555 W Middlefield Rd P106, Mountain View, CA 94043, USA
5.0 stars from 10 Google reviews—exceptional local service from a trusted HVAC company.
760 Peach Ave, Sunnyvale, CA 94087, USA
5.0 stars from 22 reviews, reflecting exceptional customer satisfaction in Sunnyvale.
848 W Evelyn Ave suite A, Sunnyvale, CA 94086, USA
Rated 5.0 stars from 3 Google reviews in Sunnyvale, CA.
137 Chestnut Ave, Sunnyvale, CA 94085, USA
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HVAC Companies in Sunnyvale, CA — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Same Day Air Conditioning & Heating | 83/100 | 4.7 ★ | 551 |
| 2 | Galaxy Heating & Air Conditioning | 85/100 | 4.8 ★ | 389 |
| 3 | Fuse Service | 87/100 | 4.9 ★ | 273 |
| 4 | Fuse HVAC, Refrigeration, Electrical & Plumbing | 86/100 | 4.9 ★ | 216 |
| 5 | South Bay Heating and Cooling | 80/100 | 4.9 ★ | 70 |
| 6 | Precision Air Conditioning & Heating | 75/100 | 5.0 ★ | 21 |
| 7 | Grumpy's HVAC | 74/100 | 5.0 ★ | 17 |
| 8 | Express Heating & AC Repair | 73/100 | 5.0 ★ | 13 |
| 9 | Plum HVAC | 83/100 | 5.0 ★ | 90 |
| 10 | Restart HVAC | 76/100 | 4.7 ★ | 66 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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Frequently Asked Questions — HVAC Companies in Sunnyvale
How do I find the best hvac companies in Sunnyvale?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Sunnyvale on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Sunnyvale licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CA 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 Sunnyvale, CA?
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 Sunnyvale?
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 10, 2026.
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