← Top 100 HVAC in the San Francisco Bay Area

HVAC Companies in South Bay & Silicon Valley — Graded

All 58 graded hvac companies in South Bay & Silicon Valley, California, in market rank order. Same published formula, no paid placements. Data current as of 2026-10-25.

2
73AI ScoreTop 2%
Pelle Heating & Air Conditioning
San Jose · Website
Legitimacy97
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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3
73AI ScoreTop 2%
Reliable Air Mechanical
San Jose · Website
Legitimacy100
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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5
73AI ScoreTop 3%
Performance Air Service, Inc.
Santa Clara · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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7
73AI ScoreTop 4%
Wolfe Mechanical
Campbell · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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10
71AI ScoreTop 6%
A & H Heating and Air Conditioning Service
San Jose · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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12
71AI ScoreTop 7%
Air Care Heating & Cooling
San Jose · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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14
71AI ScoreTop 8%
Future Air
San Jose · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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15
71AI ScoreTop 9%
Green Planet Heating & Cooling Inc
San Jose · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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16
71AI ScoreTop 9%
Indoor Air Design
San Jose · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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17
71AI ScoreTop 10%
J&J Air Conditioning
San Jose · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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18
71AI ScoreTop 10%
Made Simple Heating And Air
Santa Clara · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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20
71AI ScoreTop 11%
Martinico and Sons
San Jose · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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23
70AI ScoreTop 13%
Residential Heating and Air Conditioning
Campbell · Website
Legitimacy97
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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24
70AI ScoreTop 13%
Aquinas HVAC
San Jose · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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41
68AI ScoreTop 23%
Valley Mechanical Corporation
San Jose · Website
Legitimacy93
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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42
66AI ScoreTop 23%
Pelle Heating & Air Conditioning
Morgan Hill · Website
Legitimacy100
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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46
63AI ScoreTop 25%
Air Mechanix
San Jose · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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47
63AI ScoreTop 26%
Comfort Energy, Inc.
Milpitas · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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49
63AI ScoreTop 27%
Intuitive Climate Control
Palo Alto · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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58
57AI ScoreTop 32%
A-1 Heating And Cooling
San Jose · Website
Legitimacy100
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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60
57AI ScoreTop 33%
Cold Craft, Inc.
Campbell · Website
Legitimacy100
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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68
55AI ScoreTop 37%
Advnc Air Technologies
Santa Clara · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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69
55AI ScoreTop 38%
Air & Plumbing Systems, Inc.
Campbell · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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75
55AI ScoreTop 41%
Amko Refrigeration & Air Conditioning
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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77
55AI ScoreTop 42%
Aranda Air
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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88
55AI ScoreTop 48%
Design Heating And Air Conditioning
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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89
55AI ScoreTop 48%
Dg Heating And Air Conditioning
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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95
55AI ScoreTop 52%
Falcone Plumbing, Heating & Air Conditioning
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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98
55AI ScoreTop 53%
Global Heating And Cooling Services
Milpitas · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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99
55AI ScoreTop 54%
Golden Bear Heating & Air
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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101
55AI ScoreTop 55%
Icom Mechanical Inc.
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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111
55AI ScoreTop 60%
Norcal Heating & Cooling Inc
Campbell · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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113
55AI ScoreTop 61%
Pacific Cooling & Calibrations
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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114
55AI ScoreTop 62%
Pgi Heating And Air Conditioning
Gilroy · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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117
55AI ScoreTop 63%
Reaco Heating & Air Conditioning
Gilroy · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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119
55AI ScoreTop 64%
Rescue Air Service Inc.
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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121
55AI ScoreTop 66%
Service Champions
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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125
55AI ScoreTop 68%
Supreme Air Systems
Campbell · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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126
55AI ScoreTop 68%
Svs Home Comfort
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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128
55AI ScoreTop 69%
Therma Tech Inc
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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129
55AI ScoreTop 70%
Thrifty Supply
San Jose · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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131
55AI ScoreTop 71%
United Comfort Solutions
Milpitas · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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137
54AI ScoreTop 74%
American HVAC, Inc.
Campbell · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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145
54AI ScoreTop 78%
Calvey Heating and Air
San Jose · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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146
54AI ScoreTop 79%
CFM Equipment Distributors, Inc.
San Jose · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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147
54AI ScoreTop 80%
Comfort International, Inc.
San Jose · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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149
54AI ScoreTop 81%
Cooper Brothers, Inc.
San Jose · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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150
54AI ScoreTop 81%
Ecs Design Inc.,
San Jose · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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164
54AI ScoreTop 89%
New Pipes Inc
Santa Clara · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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166
54AI ScoreTop 90%
Qualtech Mechanical
San Jose · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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168
54AI ScoreTop 91%
San Jose Heating & Cooling
San Jose · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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172
54AI ScoreTop 93%
United Mechanical Inc.
San Jose · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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173
54AI ScoreTop 94%
US Air Conditioning Distributors
San Jose · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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178
41AI ScoreTop 96%
Hussey Bros., Inc.
San Jose
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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180
41AI ScoreTop 97%
Regional Mechanical.
San Jose
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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181
41AI ScoreTop 98%
Tranair Heating And Air Conditioning
San Jose
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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184
40AI ScoreTop 99%
Insulation Gurus Inc
San Jose
Legitimacy93
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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186
40AI ScoreTop 100%
Vintage Heating & Air
San Jose
Legitimacy93
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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How the AI Score works

Every company carries an AI Score from 1–100, computed by one published formula from the signals measurable today — legitimacy and online action, verified across at least two independent sources (open place datasets and public registries). The formula's other factors — blended reviews, complaint record, and responsiveness — carry no weight in the score until licensed data sources for them exist. When they land, the score re-spreads across the full formula.

One disclosed exception: a score of 100 is reserved for RankMyCompany clients; every other score is computed by the same formula for everyone. Scores are not spread artificially — companies with identical measured data share identical scores — and each listing also shows its rank and its percentile within its category.

Missing-data rule: when a factor has no lawful data source for a company yet, its weight redistributes proportionally across the factors that do have data, and every score shows its data-coverage %. Coverage rises as licensed sources are added; scores are recomputed monthly and score history is kept for every company.

No score is ever adjusted by hand, sold, or removed for payment. Companies marked RMC Client are scored by the exact same formula as everyone else — the 100 cap above is the only exception, and it is disclosed here rather than hidden. If your company's underlying data is wrong, file a correction on the dispute page — disputes fix the data, and the corrected data flows into the next ranking run.

Place data: © OpenStreetMap contributors (ODbL) and Overture Maps Foundation (CDLA Permissive 2.0). Listings are refreshed monthly; a score change from a refresh takes effect only after the new score holds for two consecutive runs. Formula changes are published as a new methodology version — never applied silently.

Read the full standard — The RMC Standard →