8 Commercial HVAC Contractors in San Mateo, CA

4.8 avg rating
104 total reviews3 offer 24/7 service
Need emergency service? 5 HVAC providers in San Mateo offer 24/7 availability→

Top-Rated Commercial HVAC Contractors in San Mateo

#1

United HVAC/Duct Cleaning

5.0(29 reviews)

“All 29 reviews award 5 stars, with recurring themes of on-time arrival, thorough process explanations, and no hidden fees. Technicians consistently receive…”

146 N Fremont St, San Mateo, CA 94401
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#2

Professional HVAC Contractor San Mateo

5.0(12 reviews)
24/7

“All 8 reviewers awarded 5 stars, with 4 specifically mentioning same-day or within-hour emergency response. Three reviewers noted the contractor's attention to…”

635 Mariners Island Blvd Ste 200, San Mateo, CA 94404
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#3

Bayhill Heat & Air, Inc.

4.1(20 reviews)

“All five-star reviews specifically name Ricardo as the technician, praising his same-day availability and diagnostic transparency. The single two-star review…”

1047 S Claremont St, San Mateo, CA 94402
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All Commercial HVAC Contractors (8 total)

San Mateo Air Duct Cleaning Svc

5.0(11)
24/7

“All 11 reviewers award 5 stars, with multiple reviewers specifically mentioning same-day service, the…”

753 N Amphlett Blvd, San Mateo, CA 94401
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hvacsanmateo

5.0(11)

“All eight reviewers award 5 stars, with four explicitly mentioning same-day or rapid response. One reviewer…”

1835 Hamlet St, San Mateo, CA 94403
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M&C Cleaning Solutions

5.0(8)

“All 8 reviews award 5 stars, with customers specifically mentioning improved air quality, quieter system…”

1405 S Railroad Ave, San Mateo, CA 94402
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Sam's Refrigeration & AC INC

5.0(6)
24/7

“All 6 reviews award 5 stars, with 3 reviewers specifically mentioning same-day service and on-time arrival.…”

1454 E 3rd Ave, San Mateo, CA 94401
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Air Temp Co

4.3(7)

“5 of 7 reviewers awarded 5-star ratings, with the lone 1-star review citing a parking incident unrelated to…”

1835 Hamlet St, San Mateo, CA 94403
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Commercial HVAC Costs in San Mateo

Commercial system pricing in San Mateo. Actual costs vary significantly by building size and system type. Request a site-specific quote.

ServiceLowAverageHigh
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 Mateo, CA: What to Expect

San Mateo's marine-influenced climate keeps summer temperatures around 68 F under persistent fog, creating minimal cooling demand. This cool Mediterranean environment means Commercial HVAC in San Mateo contractors focus primarily on heating systems and ventilation infrastructure. Fifteen licensed professionals serve the local market, maintaining an average rating of 4.4 stars across nearly 1,400 customer reviews.

Annual maintenance for a 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. Mid-size commercial properties between 5,000 and 25,000 square feet see annual contract costs between $3,325 and $9,500. California requires Commercial HVAC in San Mateo contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the Contractors State License Board, ensuring qualified installation and service.

Customer feedback reveals consistent patterns around communication and professionalism. Technicians Stanley and Levi receive specific mention at Sunrise Rebuild Repair Chimneys Service, which holds a 4.7-star average. United HVAC/Duct Cleaning achieves a perfect 5.0 rating across 29 reviews, with clients repeatedly praising on-time arrivals, thorough explanations of work performed, and no hidden fees. Reviewers at Park Place at San Mateo Apartments frequently name individual staff members for responsive maintenance and efficient service delivery.

Frequently Asked Questions

Commercial HVAC in San Mateo varies widely by building size. Annual maintenance contracts run $1,000-$10,000+ depending on unit count and service frequency. Rooftop unit replacement starts around $6,500-$15,000, small business systems (<5K sqft) run $8,000-$25,000, and mid-size buildings cost $25,000-$80,000 installed.