🐜AssistAnt · Pro directory
There are 353 HVAC companies within 25 miles of Castro Valley, CA in the AssistAnt directory as of October 16, 2026, 2 of them based in Castro Valley itself. None are verified by AssistAnt yet, so check a business’s license and insurance before you hire it. Verified businesses are listed first, then by distance. No business can pay for a higher spot.
HVAC (heating & air conditioning) near Castro Valley
- 4 Seasons Heating & Air Conditioning
Castro Valley, CA · 0.4 mi
Not verified yet
(510) 582-3112
- Affordable Heating & Air Conditioning
Castro Valley, CA · 0.6 mi
Not verified yet
(510) 825-5079
- J.R. Heating and Cooling Systems
Hayward, CA · 1.7 mi
Not verified yet
(510) 889-8368
- Trio Heating & Air Hayward
Hayward, CA · 2.5 mi
Not verified yet
(925) 718-9710
- Ackley Sheetmetal
Hayward, CA · 3.8 mi
Not verified yet
(510) 760-9879
- Qualtech Heating & Cooling
Hayward, CA · 4.0 mi
Not verified yet
(877) 554-4822
- Bay Area Climate Control
Hayward, CA · 4.1 mi
Not verified yet
(510) 391-5597
- ARS / Rescue Rooter
Hayward, CA · 4.4 mi
Not verified yet
(877) 454-4910
- J&N Services LLC
San Leandro, CA · 4.4 mi
Not verified yet
(510) 614-8490
- Pacific Test & Balance, Inc.
San Leandro, CA · 4.4 mi
Not verified yet
(510) 347-4040
- Albert Nahman Plumbing, Heating, and Cooling
Hayward, CA · 4.5 mi
Not verified yet
(510) 408-7879
- UNI-Tech Refrigeration Co.
Hayward, CA · 4.6 mi
Not verified yet
(415) 566-8601
- All About Air
Hayward, CA · 4.7 mi
Not verified yet
(510) 538-2247
- Chris Levering Heating and Air Conditioning
San Leandro, CA · 4.7 mi
Not verified yet
(510) 352-1018
- Bay Area Climate Control
Hayward, CA · 4.8 mi
Not verified yet
(510) 477-6793
- Villquin Air Services
Hayward, CA · 4.9 mi
Not verified yet
(510) 405-1580
- Comfort Dynamics
San Leandro, CA · 4.9 mi
Not verified yet
(510) 694-4711
- Rivera's Heating & Air Conditioning
San Leandro, CA · 4.9 mi
Not verified yet
(510) 483-4328
- Vortex Insulation
Hayward, CA · 5.0 mi
Not verified yet
(510) 963-5713
- Bell Brothers Plumbing Heating & Air - Hayward
Hayward, CA · 5.0 mi
Not verified yet
(510) 916-3542
- 88 HVAC
Hayward, CA · 5.1 mi
Not verified yet
(510) 887-8884
- Same Day Air Conditioning & Heating
Hayward, CA · 5.3 mi
Not verified yet
(510) 887-5571
- Alco Sheet Metal & Heating
San Leandro, CA · 5.4 mi
Not verified yet
(510) 483-7145
- Comfy Heating & Air Conditioning Inc.
San Leandro, CA · 5.4 mi
Not verified yet
(510) 980-7125
- Contra Costa Heating & Air Conditioning
San Leandro, CA · 5.4 mi
Not verified yet
(510) 343-9841
- Freese Heating & Air
Hayward, CA · 5.7 mi
Not verified yet
(650) 918-0585
- HVAC Oren Services
Oakland, CA · 5.9 mi
Not verified yet
(800) 974-5349
- Fairway Plumbing Heating & Cooling
Union-City, CA · 5.9 mi
Not verified yet
(510) 270-2960
- Indfoss
Union City, CA · 5.9 mi
Not verified yet
(510) 324-2735
- Energy ETC
Union City, CA · 6.0 mi
Not verified yet
(510) 399-1884
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Castro Valley, CA?
- 353 within 25 miles, 2 in Castro Valley, as of October 16, 2026.
- Which HVAC companies near Castro Valley, CA are verified?
- None yet. Verified means AssistAnt checked the business registration and insurance; unverified listings come from public business records.
- Can a business pay to rank higher on AssistAnt?
- No. Verified businesses are listed first, then everyone else by distance. Placement cannot be bought, and AssistAnt never sells your contact information.
More in Castro Valley
- Appliance repair in Castro Valley, CA169 businesses
- Dryer vent cleaning in Castro Valley, CA55 businesses
- Used appliances in Castro Valley, CA5 businesses
- Plumbers in Castro Valley, CA501 businesses
- Electricians in Castro Valley, CA368 businesses
- Roofers in Castro Valley, CA279 businesses
- Landscaping & lawn care in Castro Valley, CA531 businesses
- Cleaning services in Castro Valley, CA735 businesses
- Pest control in Castro Valley, CA146 businesses
- Locksmiths in Castro Valley, CA241 businesses
- Painters in Castro Valley, CA273 businesses
- Garage door repair in Castro Valley, CA271 businesses
- Handyman services in Castro Valley, CA158 businesses
- Concrete, masonry & paving in Castro Valley, CA198 businesses
- Home inspectors in Castro Valley, CA44 businesses
- Flooring in Castro Valley, CA100 businesses
- Windows & doors in Castro Valley, CA221 businesses
- Remodeling contractors in Castro Valley, CA285 businesses
- Solar installers in Castro Valley, CA44 businesses
- Well drilling in Castro Valley, CA14 businesses
- Towing in Castro Valley, CA202 businesses
- Auto repair in Castro Valley, CA2326 businesses
- Collision repair & auto glass in Castro Valley, CA763 businesses
- Computer & phone repair / IT in Castro Valley, CA686 businesses
Nearby towns
- Hayward, CA 3 mi
- San Leandro, CA 4 mi
- Union City, CA 7 mi
- San Ramon, CA 8 mi
- Dublin, CA 8 mi
- Pleasanton, CA 9 mi
- Danville, CA 10 mi
- Oakland, CA 11 mi
- Newark, CA 11 mi
- Fremont, CA 13 mi