The Gold Standard Directory

The best hvac contractors in Sunnyvale, CA

C
#1GOLD STANDARD PICK
CostLess heating & cooling
HVAC contractors, Sunnyvale, CA
5.0 stars353 reviews
U
#2
United HVAC, Plumbing & Electrical
HVAC contractors, Sunnyvale, CA
5.0 stars134 reviews
MMade Simple Heating And Air logo
#3
Made Simple Heating And Air
HVAC contractors, Sunnyvale, CA
5.0 stars120 reviews
IIris Mechanical Inc logo
#4
Iris Mechanical Inc
HVAC contractors, Sunnyvale, CA
5.0 stars96 reviews
PPromax Service Group logo
#5
Promax Service Group
HVAC contractors, Sunnyvale, CA
5.0 stars96 reviews
EEVS MECHANICAL INC logo
#6
EVS MECHANICAL INC
HVAC contractors, Sunnyvale, CA
5.0 stars62 reviews
V
#7
Valley Heating, Cooling, Electrical and Solar
HVAC contractors, Sunnyvale, CA
4.9 stars394 reviews
CCooper Brothers, Inc. logo
#8
Cooper Brothers, Inc.
HVAC contractors, Sunnyvale, CA
4.9 stars380 reviews
G
#9
Green Tree Household Services
HVAC contractors, Sunnyvale, CA
4.9 stars52 reviews
B
#10
Balcom Heating & Air
HVAC contractors, Sunnyvale, CA
5.0 stars20 reviews
C
#11
ClearVent HVAC Solutions
HVAC contractors, Sunnyvale, CA
5.0 stars19 reviews
GGrumpy's HVAC logo
#12
Grumpy's HVAC
HVAC contractors, Sunnyvale, CA
5.0 stars18 reviews
P
#13
Precision Air Conditioning & Heating
HVAC contractors, Sunnyvale, CA
5.0 stars12 reviews
HHVAC All Seasons logo
#14
HVAC All Seasons
HVAC contractors, Sunnyvale, CA
5.0 stars11 reviews
H
#15
Heating & Cooling
HVAC contractors, Sunnyvale, CA
5.0 stars10 reviews
C
#16
Convectek Heating and Cooling
HVAC contractors, Sunnyvale, CA
5.0 stars3 reviews
S
#17
Sunnyvale AC Repair
HVAC contractors, Sunnyvale, CA
5.0 stars3 reviews
N
#18
North Cal Heating and Air
HVAC contractors, Sunnyvale, CA
5.0 stars2 reviews
A
#19
Ac Repair & Hvac Pro's of Sunnyvale
HVAC contractors, Sunnyvale, CA
5.0 stars1 reviews
E
#20
Electrical & Mechanical Solution
HVAC contractors, Sunnyvale, CA
5.0 stars1 reviews
P
#21
Patel HVAC & Paint Contractors
HVAC contractors, Sunnyvale, CA
5.0 stars1 reviews

How the order is set: in each area and niche, the highest Google rating among businesses with at least 25 Google reviews comes first, a tie goes to more reviews, and businesses with fewer reviews follow. The first card is the Gold Standard Pick. Ratings, reviews and contact details are from our own scan of the area. Nobody can pay for a place. Updated November 15, 2026.

The Gold Standard Directory by The Algo Vision.

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