5 Commercial HVAC Contractors in San Carlos, CA
Top-Rated Commercial HVAC Contractors in San Carlos
JW Heating and Air Conditioning LLC
“All eight sampled reviews carry five-star ratings, with Julio mentioned by name in four of these accounts as the attending technician. Common praise themes…”
Techpro Heating & Cooling
“Five-star ratings dominate the review portfolio, with 8 examined reviews awarding full marks. Emergency repair scenarios appear in 2 reviews, highlighting…”
All Commercial HVAC Contractors (5 total)
Bay Air HVAC Services Inc.
“All seven readable reviews award 5 stars, with four specifically praising same-day or emergency response…”
Commercial HVAC Costs in San Carlos
Commercial system pricing in San Carlos. 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 San Carlos, CA: What to Expect
San Carlos sits within the San Francisco Bay Area's cool marine Mediterranean climate, where foggy summers keep temperatures around 68 F and mild winters hover near 46 F. This marine layer suppresses cooling demand, shifting Commercial HVAC in San Carlos services toward heating, ventilation, and indoor air quality management rather than intensive air conditioning. Six contractors serve the local market, maintaining an impressive average rating of 4.8 stars across hundreds of client reviews.
Annual maintenance for a single rooftop unit runs $475 to $1,900, while small business contracts covering spaces under 5,000 square feet typically range from $950 to $4,750 annually. Mid-size commercial buildings between 5,000 and 25,000 square feet see annual service agreements priced between $3,325 and $9,500. California law requires all HVAC contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the Contractors State License Board before performing commercial work.
Customer feedback highlights consistent strengths among top-rated technicians. Julio at JW Heating and Air Conditioning LLC receives repeated mention for punctual arrival and thorough service, while Techpro Heating & Cooling earns recognition for same-day response during emergency repairs. Alternative HVAC Solutions draws praise for communication quality, with clients specifically naming technicians Mike, Adrian, and Josh for their technical competence and clarity throughout service calls.