❄️ Official Rankings
10 Best HVAC in Oak Harbor, WA (September 2026)
We compared 10 hvac serving Oak Harbor and Island County, Washington, and ranked the top providers by verified reviews, ratings, and local reputation — 2,305 customer reviews in all.
The 10 listed below hold an average rating of 4.7 out of 5, led by High Caliber Plumbing. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.7★
- Reviews analyzed
- 2,305
- Area code
- 360
⭐ 5.0 · 164 reviews
285 NE Midway Blvd Ste 7, Oak Harbor, WA 98277
⭐ 4.9 · 930 reviews
520 E Whidbey Ave Ste 107B, Oak Harbor, WA 98277
⭐ 4.9 · 241 reviews
1105 NE 3rd Ave, Oak Harbor, WA 98277
⭐ 4.9 · 74 reviews
31775 State Rte 20 A2, Oak Harbor, WA 98277
⭐ 4.7 · 122 reviews
949 W Ault Field Rd, Oak Harbor, WA 98277
⭐ 4.6 · 312 reviews
630 Industrial Ave, Oak Harbor, WA 98277
⭐ 4.5 · 378 reviews
150 SE Pioneer Way, Oak Harbor, WA 98277
⭐ 4.2 · 5 reviews
1151 NE 21st Ct, Oak Harbor, WA 98277
HVAC listed here serve Oak Harbor, Island County, and nearby ZIP codes including 98277, 98278.