13 Commercial HVAC Contractors in South San Francisco, CA

3.8 avg rating
408 total reviews1 offer 24/7 service
Need emergency service? 5 HVAC providers in South San Francisco offer 24/7 availability

Top-Rated Commercial HVAC Contractors in South San Francisco

#1

Triton Appliance repair

4.8(289 reviews)
Highly Rated

289 reviews yield a 4.8-star average, with multiple five-star ratings highlighting same-day response, transparent pricing, and technicians who explain problems…

1 Crown Cir, South San Francisco, CA 94080
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#2

Atlas Heating "The Original Since 1908" (Atlas Trillo is NOT us, please don't be confused)

4.7(39 reviews)

37 of 38 reviewers award 5 stars, with customers specifically praising on-time arrivals, transparent pricing, and thorough clean-up after jobs. Negative…

407 Cabot Rd, South San Francisco, CA 94080
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#3

Ace Furnace Co Inc

4.9(18 reviews)

All 18 reviewers awarded 5-star ratings, with customers frequently mentioning same-day or immediate service availability, skilled technicians, and reasonable…

513 Linden Ave, South San Francisco, CA 94080
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All Commercial HVAC Contractors (13 total)

HVAC Solutions and Services

4.9(13)

All 13 reviews award 5 stars, with multiple reviewers specifically praising same-day response times,…

611 Gateway Blvd #120, South San Francisco, CA 94080
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Johnstone Supply

4.4(16)

Fifteen of 16 reviewers award 5 stars, with customers specifically praising Edwin's follow-through on…

1445 San Mateo Ave, South San Francisco, CA 94080
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Peninsula Heating BY JOSEPH BYRNE

5.0(10)

All 8 reviews award 5 stars, with Joe mentioned specifically in multiple accounts for professionalism and…

513 Linden Ave, South San Francisco, CA 94080
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Air Conditioning & Heating, Inc.

5.0(9)

Eight of nine reviewers award five stars, with consistent praise for fast response times, honest pricing, and…

360 N Canal St, South San Francisco, CA 94080
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Slakey Brothers

4.3(10)

Of 6 detailed reviews, 4 rate the business 5 stars citing excellent selection, great prices, and helpful…

242 Shaw Rd, South San Francisco, CA 94080
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Chemical Exhaust

5.0(2)
24/7

Both reviews award 5 stars, with reviewer Karla Janeth Ochoa specifically praising the team's professionalism…

151 Haskins Way, South San Francisco, CA 94080
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Bayhill Heat & Air.

5.0(1)

The single 5-star review simply states 'The Best,' indicating high satisfaction. Website testimonials…

South San Francisco, CA 94080
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RMI Mechanical Contractors

1.0(1)

One customer review exists, assigning a one-star rating and describing a vehicle operation concern unrelated…

1385 Lowrie Ave, South San Francisco, CA 94080
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Master AC & Heating

0.0
510 Myrtle Ave #9, South San Francisco, CA 94080
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Wolves Heating & Air Conditioning

0.0
372 Arroyo Dr, South San Francisco, CA 94080
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Commercial HVAC Costs in South San Francisco

Commercial system pricing in South San Francisco. 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 South San Francisco, CA: What to Expect

South San Francisco sits along the Bay, where the marine layer keeps summers cool and foggy around 68 F while winters hover near 46 F. This cool Mediterranean climate means businesses need heating and ventilation far more than air conditioning. With 14 commercial contractors serving the area and an average rating of 3.8 across 481 reviews, Commercial HVAC in South San Francisco remains driven by warmth, air quality, and year-round ventilation needs.

For business owners budgeting for ongoing service, annual maintenance per rooftop unit runs $475 to $1,900, while annual service contracts for small businesses under 5,000 square feet typically cost $950 to $4,750. Mid-size facilities between 5,000 and 25,000 square feet see annual contract ranges from $3,325 to $9,500. In California, commercial HVAC contractors must hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the Contractors State License Board, ensuring qualified hands handle complex heating and ventilation systems.

Reviewers consistently highlight several contractors who earn strong recommendations. Ace Furnace Co Inc holds a 4.9 rating with all 18 reviewers awarding five stars, frequently citing same-day or immediate service availability, skilled technicians, and reasonable pricing. Triton Appliance Repair draws praise for same-day response, transparent pricing, and technicians who explain problems clearly across 289 reviews averaging 4.8 stars. Atlas Heating earns recognition for on-time arrivals, transparent pricing, and thorough clean-up after jobs, with 37 of 38 reviewers giving five stars.

Frequently Asked Questions

Commercial HVAC in South San Francisco 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.

All HVAC Contractors in South San Francisco, CA

Complete directory of 31 contractors — browse alphabetically

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