Heise's Plumbing
“Erick and his colleague were really personable and communicated all the work that was needed.”
Best HVAC Contractors near South San Francisco, CA
We have 9 companies in South San Francisco on file, but only the highest-rated make our list, and none of them made it; the 10 here come from towns including San Francisco (6, 7 mi), San Mateo (1, 9 mi) and San Carlos (1, 14 mi).
5 open weekends · all 10 rated 4.5+ · 5 show a license
Data verified October 18, 2026
Degree Hvac
“Even though they have grown substantially since I first engaged with them, I still feel "known" and well taken care of.”
Lutz Plumbing Inc
“We scheduled services within the same week, and Isaac, who came onsite, was very professional in his engagement, and also took the time to make sure I was comfortable with the results.”
Wizard Plumbing
“Both times they came immediately, saw the issue immediately, provided me first with a very fair estimate, and did the job wonderfuly, doing way and beyond, fixing more than required, and all in a courtious, professional and pleasant way.”
Chill Heating & Cooling
“He was very kind and patient and explained the process to myself and my mother and then got to work immediately!”
Magic Plumbing Heating & Cooling
“I have used Magic for sewer line replacement, hot water heater replacement and installing a sink and toilet in our downstairs bath.”
The 10 companies listed for South San Francisco, CA work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Area overview: South San Francisco, CA
The 10 companies on this page are rated from 4.8 to 5.0 across 6,284 reviews; all 10 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (90%), responsiveness (87%) and punctuality (85%). The topics that come up most in reviews of the companies on this page are "efficient", "communication" and "estimates". 5 are open on Saturdays and 3 on Sundays. 5 show a license on their websites; 1 lists staff certifications (NATE) and 5 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 93 years. 1 offers emergency call-outs; 4 offer financing or payment plans; 2 give free estimates; 4 are family- or locally-owned and 5 list coupons or special offers. We have a website on file for all 10 of the companies on this page; 9 publish a contact page and 8 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do any heating firms listed for South San Francisco work on Saturdays or Sundays?
Saturday or Sunday hours show up for 5 of the 10 companies here. Saturdays fill with the calls that came in on Friday, so ask whether you are getting a repair slot or a sales visit. Sunday work is usually treated as an emergency call.
Cabrillo Plumbing
“He was able to assess how to replace a very complicated drain pipe in our eighty year old home.”
Arch Plumbing Inc
“I highly recommend Gerson and thank Arch plumbing for hiring such friendly and competent people to represent their business.”
Malcolm Plumbing & Mechanical
“My special thanks to Sarah Ketchu for her intelligence, outstanding interpersonal communication ethics and focus on her client's needs.”
Ongaro & Sons Inc
“Whenever we have a plumbing or electrical issue we always call Ongaro.”
Why these companies made our list
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