🐜AssistAnt · Pro directory
There are 180 HVAC companies within 25 miles of San Marcos, CA in the AssistAnt directory as of October 16, 2026, 11 of them based in San Marcos 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 San Marcos
- R & C Heating & Air
San Marcos, CA · 0.6 mi
Not verified yet
(760) 484-2116
- 20/20 Plumbing & Heating, Inc (ca-sd)
San Marcos, CA · 0.7 mi
Not verified yet
(760) 294-6630
- Champion Air Conditioning & Heating
San Marcos, CA · 0.8 mi
Not verified yet
(760) 736-4100
- Oasis Plumbing, Heating & Air Conditioning
San Marcos, CA · 1.0 mi
Not verified yet
(619) 626-2499
- Cramers Heating and Cooling
San Marcos, CA · 1.2 mi
Not verified yet
(760) 291-1442
- Albert Plumbing Heating & Air
San Marcos, CA · 1.4 mi
Not verified yet
(858) 792-8852
- MSI HVAC
Escondido, CA · 1.7 mi
Not verified yet
(760) 233-2545
- Campbell Escondido Refrigeration Inc
Escondido, CA · 2.0 mi
Not verified yet
(760) 745-4431
- We Care Plumbing Heating And Air
San Marcos, CA · 2.1 mi
Not verified yet
(760) 858-3830
- Oak Island Heating & Air Conditioning
San Marcos, CA · 2.1 mi
Not verified yet
(760) 334-5747
- Sherlock Heating & Air Conditioning, Inc.
San Marcos, CA · 2.2 mi
Not verified yet
(760) 295-5014
- Alanis Air
Escondido, CA · 2.5 mi
Not verified yet
(760) 270-8618
- MHS/LOMACK Heating and Air
Escondido, CA · 2.9 mi
Not verified yet
(760) 744-9450
- Masing Construction Inc.
Escondido, CA · 2.9 mi
Not verified yet
(760) 304-6401
- My Guy Heating, Air & Plumbing
Escondido, CA · 3.0 mi
Not verified yet
(760) 906-8534
- Anderson Plumbing, Heating & Air
San Marcos, CA · 3.1 mi
Not verified yet
(760) 762-4388
- Action Air Conditioning & Heating
San Marcos, CA · 3.1 mi
Not verified yet
(760) 938-6139
- JMS West HVAC
Escondido, CA · 3.5 mi
Not verified yet
(760) 945-1155
- Aelott Air Conditioning
Escondido, CA · 3.6 mi
Not verified yet
(760) 746-1333
- Lomack Service Corp
Vista, CA · 3.6 mi
Not verified yet
(760) 721-8100
- Triwest Heating & Air
Vista, CA · 4.1 mi
Not verified yet
(760) 940-6937
- Anytyme Plumbing, Heating & Air
Vista, CA · 4.2 mi
Not verified yet
(760) 477-2222
- Eagle Air
Escondido, CA · 4.2 mi
Not verified yet
(760) 480-0599
- Southcoast Heating & Air Conditioning
Vista, CA · 4.3 mi
Not verified yet
(760) 941-7000
- A-Aall Services Inc.
Escondido, CA · 4.4 mi
Not verified yet
(760) 480-0802
- Industrial Commercial Systems
Vista, CA · 4.4 mi
Not verified yet
(760) 599-0500
- Cooling Tower Service
ESCONDIDO, CA · 4.5 mi
Not verified yet
(760) 644-1876
- Sherlock Plumbing, Heating & Air
Carlsbad, CA · 4.6 mi
Not verified yet
(760) 206-8006
- Air West Mechanical
Vista, CA · 4.9 mi
Not verified yet
(760) 734-4526
- Air Quest Heating and Air Conditioning
Escondido, CA · 5.0 mi
Not verified yet
(760) 801-4240
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near San Marcos, CA?
- 180 within 25 miles, 11 in San Marcos, as of October 16, 2026.
- Which HVAC companies near San Marcos, 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.
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Nearby towns
- Escondido, CA 4 mi
- Vista, CA 6 mi
- Carlsbad, CA 7 mi
- Encinitas, CA 9 mi
- Oceanside, CA 11 mi
- Bonsall, CA 12 mi
- Solana Beach, CA 12 mi
- Poway, CA 14 mi
- Ramona, CA 17 mi
- Fallbrook, CA 18 mi