10+ Years · Sunnyvale
Experienced HVAC Companies in Sunnyvale, CA
Experience matters. These hvac companies in Sunnyvale have years of proven work behind them — and the reviews to back it up.
As of May 2026, RatingsNearMe ranks 13 hvac companies in Sunnyvale, CA by verified customer ratings and review volume. The highest-rated is Same Day Air Conditioning & Heating with a 4.7-star rating from 551 verified reviews. 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 May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
13
Businesses listed
4.9★
Avg rating
134
Avg reviews
May 17, 2026
Last updated
Top Rated HVAC Companies
Same Day Air Conditioning & Heating
1212 W McKinley Ave #4, Sunnyvale, CA 94086, USA
Galaxy Heating & Air Conditioning
3301 Vincent Rd, Pleasant Hill, CA 94523, USA
Fuse Service
965 Amstutz Dr, San Jose, CA 95129, USA
HVAC 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 | Express Heating & AC Repair1370 Fisherhawk Dr, Sunnyvale, CA 94087, USA | 5.0★ | 13 |
| #5 | Fuse HVAC, Refrigeration, Electrical & Plumbing302 Easy St apt.29, Mountain View, CA 94043, USA | 4.9★ | 216 |
| #6 | Precision Air Conditioning & Heating1055 Manet Dr, Sunnyvale, CA 94087, USA | 5.0★ | 21 |
| #7 | Spark Heating & Cooling760 Peach Ave, Sunnyvale, CA 94087, USA | 5.0★ | 10 |
| #8 | Grumpy's HVAC493 Vine Ave, Sunnyvale, CA 94086, USA | 5.0★ | 17 |
| #9 | Plum HVAC1074 Wentworth St, Mountain View, CA 94043, USA | 5.0★ | 90 |
| #10 | The Air Cleaning HVAC Experts137 Chestnut Ave, Sunnyvale, CA 94085, USA | 5.0★ | 3 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated May 2026
All HVAC Companies in Sunnyvale
Express Heating & AC Repair
1370 Fisherhawk Dr, Sunnyvale, CA 94087, USA
Fuse HVAC, Refrigeration, Electrical & Plumbing
302 Easy St apt.29, Mountain View, CA 94043, USA
Precision Air Conditioning & Heating
1055 Manet Dr, Sunnyvale, CA 94087, USA
Spark Heating & Cooling
760 Peach Ave, Sunnyvale, CA 94087, USA
Grumpy's HVAC
493 Vine Ave, Sunnyvale, CA 94086, USA
Plum HVAC
1074 Wentworth St, Mountain View, CA 94043, USA
The Air Cleaning HVAC Experts
137 Chestnut Ave, Sunnyvale, CA 94085, USA
Balcom Heating & Air
848 W Evelyn Ave suite A, Sunnyvale, CA 94086, USA
South Bay Heating and Cooling
10337 Miller Ave #3, Cupertino, CA 95014, USA
Restart HVAC
555 W Middlefield Rd P106, Mountain View, CA 94043, USA
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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: May 17, 2026.
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