❄️ Official Rankings
10 Best HVAC in Oceanside, CA (August 2026)
We compared 10 hvac serving Oceanside and San Diego County, California, and ranked the top providers by verified reviews, ratings, and local reputation — 8,061 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Veterans Heating and Air Conditioning, Plumbing, and Electrical. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 8,061
- Area code
- 760
Veterans Heating and Air Conditioning, Plumbing, and Electrical
⭐ 5.0 · 811 reviews
4167 Avenida De La Plata Ste 122, Oceanside, CA 92056
Airtime Heating and Air
⭐ 5.0 · 501 reviews
4607 Allende Ave, Oceanside, CA 92057
Coastal Refrigeration Heating and Air Conditioning, Inc.
⭐ 5.0 · 167 reviews
3604 Barranca Ct, Carlsbad, CA 92010
Personal Plumbing Heating & Air Conditioning
⭐ 4.9 · 1354 reviews
110 Copperwood Way O, Oceanside, CA 92058
Thompson Plumbing Heating and Air Conditioning
⭐ 4.9 · 1269 reviews
4751 Oceanside Blvd Ste E, Oceanside, CA 92056
Cool Air Solutions Heating and Air Conditioning Inc.
⭐ 4.9 · 341 reviews
450 S Melrose Dr Box 53, Vista, CA 92081
Major League Comfort Systems Heating and Air Conditioning
⭐ 4.9 · 208 reviews
4055 Oceanside Blvd space u, Oceanside, CA 92056
John Stevenson Plumbing, Heating & Air Conditioning
⭐ 4.8 · 3175 reviews
2748 Loker Ave W, Carlsbad, CA 92010
HVAC listed here serve Oceanside, San Diego County, and nearby ZIP codes including 92049, 92051, 92052, 92054, 92056, 92057, 92058.