9 Commercial HVAC Contractors in Sunnyvale, CA
Top-Rated Commercial HVAC Contractors in Sunnyvale
Same Day Air Conditioning & Heating
“Of six named technicians across reviews, three received 5-star mentions for skill and speed. Positive reviews cite rapid response and diagnostic expertise,…”
Lifetime Roofing & Renovation, Inc.
“Every reviewer awarded 5 stars, with seven clients specifically naming team members (Matt M, Gui, Raymond, Brad, and Paulo) for their communication,…”
All Commercial HVAC Contractors (9 total)
All Appliance & HVAC Service Inc
“All six available reviews award five stars, with Frank specifically mentioned in three reviews for same-day…”
Visionary Air Duct Cleaning
“Eight reviewers each awarded 5-star ratings, with three specifically mentioning on-time arrival and…”
Spark Heating & Cooling
“Eight of eight reviews award five-star ratings, with no lower scores present to balance the feedback. Common…”
I&C Air Duct Cleaning Service
“All three reviews award five stars, with universal praise for improved air quality, stronger airflow, and…”
The Air Cleaning HVAC Experts
“All three client reviews award a 5-star rating, with unanimous positive sentiment citing the vent cleaning…”
Commercial HVAC Costs in Sunnyvale
Commercial system pricing in Sunnyvale. Actual costs vary significantly by building size and system type. Request a site-specific quote.
| Service | Low | Average | High |
|---|---|---|---|
Annual maintenance (per rooftop unit) Quarterly inspections | $475 | $950 | $1,900 |
Annual contract (small business, < 5K sqft) | $950 | $2,375 | $4,750 |
Annual contract (mid-size, 5K-25K sqft) | $3,325 | $6,175 | $9,500 |
Basic rooftop unit replacement | $6,175 | $9,500 | $14,250 |
Small business full system (< 5K sqft) | $7,600 | $15,200 | $23,750 |
Mid-size building (5K-25K sqft) | $23,750 | $47,500 | $76,000 |
Operating cost (per sqft annually) Utility + maintenance | $2 | $4 | $6 |
Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Commercial HVAC in Sunnyvale, CA: What to Expect
Sunnyvale sits within the South Bay pocket of the San Jose metro, where the Mediterranean climate brings dry summers averaging 82 F and occasional heat waves pushing past 100 F. This pushes businesses to maintain reliable cooling systems, driving steady demand for Commercial HVAC in Sunnyvale. Fifteen licensed contractors compete for this work, and together they hold a 4.8 average rating drawn from 2,426 reviews, showing that local businesses have access to highly rated service providers.
Annual commercial HVAC maintenance runs $475 to $1,900 per rooftop unit, while contracts for small businesses under 5,000 square feet span $950 to $4,750 yearly. Mid-size facilities between 5,000 and 25,000 square feet typically see annual costs from $3,325 up to $9,500. These figures shift based on system complexity, building configuration, and whether a business includes 24/7 emergency coverage. In California, all HVAC contractors must carry the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB.
What separates these contractors is visible in the reviews. Carlos at Balcom Heating & Air appears in four separate five-star reviews for honest assessments and same-day service. Lifetime Roofing and Renovation earns consistent praise for its team, with Matt M, Gui, Raymond, Brad, and Paulo each named for strong communication and responsive project management. Same Day Air Conditioning technicians receive multiple mentions for diagnostic skill and quick turnarounds. The patterns in feedback point to response speed and clear communication as the strengths area contractors share.
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All HVAC Contractors in Sunnyvale, CA
Complete directory of 42 contractors — browse alphabetically
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All HVAC Contractors in Sunnyvale, CA
Complete directory of 42 contractors — browse alphabetically