The Gold Standard Directory

The best hvac contractors in Seattle, WA

S

#1GOLD STANDARD PICK

South West Plumbing, Heating, Air, & Electric

HVAC contractors, Seattle, WA

4.8 stars11,948 reviews

E

#2

Eco Electric, Plumbing, Heating and Air

HVAC contractors, Seattle, WA

4.8 stars2,494 reviews

O

#3

Olson Energy Service

HVAC contractors, Seattle, WA

4.8 stars377 reviews

G

#4

Go Green Heating AC and Electric LLC

HVAC contractors, Seattle, WA

4.8 stars230 reviews

P

#5

Pro-Staff Mechanical Inc

HVAC contractors, Seattle, WA

5.0 stars10 reviews

U

#6

United Systems Inc

HVAC contractors, Seattle, WA

5.0 stars2 reviews

R

#7

Right Temp Heating/Cooling LLC

HVAC contractors, Seattle, WA

3.7 stars3 reviews

M

#8

Macdonald-Miller

HVAC contractors, Seattle, WA

3.6 stars12 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.