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San Marcos, CA

HVAC Contractors in San Marcos, CA

25 HVAC contractors in San Marcos, California, with Google ratings, hours and websites where the business has them.

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25 HVAC contractors serving San Marcos

Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.

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  • HVAC Contractors

    Action Air Conditioning & Heating

    San Marcos, CA4.9(3817)Website

    Up to 3 businesses
  • HVAC Contractors

    We Care Plumbing Heating and Air

    San Marcos, CA4.8(1121)Website

    Up to 3 businesses
  • HVAC Contractors

    Five Star Svc Co

    Five Star Service Company provides air conditioning and heating services to San Diego and surrounding areas. The certified, experienced technicians repair, install, and maintain HVAC systems for homes and businesses. Services include air conditioning and heating installation, repair, replacement, and maintenance, along with indoor air quality solutions.

    Air conditioning repairHeating repairHVAC installation

    San Marcos, CA5.0(336)Website

    Up to 3 businesses
  • HVAC Contractors

    Oasis Plumbing Heating & Air Conditioning

    San Marcos, CA5.0(193)Website

    Up to 3 businesses
  • HVAC Contractors

    Champion Air Conditioning & Heating

    San Marcos, CA4.1(98)Website

    Up to 3 businesses
  • HVAC Contractors

    Smart Decisions SDS Inc

    San Marcos, CA5.0(10)Website

    Up to 3 businesses
  • HVAC Contractors

    J A Fergus Heating & Air Conditioning

    San Marcos, CA5.0(6)

    Up to 3 businesses
  • HVAC Contractors

    Acuna's Polar Aire

    San Marcos, CA4.8(19)Website

    Up to 3 businesses
  • HVAC Contractors

    Oak Island Heating & Air Conditioning

    San Marcos, CA5.0(3)Website

    Up to 3 businesses
  • HVAC Contractors

    All Day Heating and Air Conditioning

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    All Star Heating & Air

    San Marcos, CAWebsite

    Up to 3 businesses
  • HVAC Contractors

    Better Air Systems

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    Cramer's Heating&Cooling

    San Marcos, CAWebsite

    Up to 3 businesses
  • HVAC Contractors

    Donald Wenger Heating&Air Conditioning

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    Hometown Heat & Air

    San Marcos, CAWebsite

    Up to 3 businesses
  • HVAC Contractors

    HVAC Dinosaur

    San Marcos, CAWebsite

    Up to 3 businesses
  • HVAC Contractors

    J.c. Enterprises Heating And Air

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    koolerguy Heating & Air Conditioning/HVAC

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    Mihaly Air Care

    San Marcos, CAWebsite

    Up to 3 businesses
  • HVAC Contractors

    Murphy Mechanical

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    Penn Air Control Inc

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    Purified Air Systems

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    Randle Air Conditioning Inc

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    Stillman Heating and Air Conditioning

    San Marcos, CA

    Up to 3 businesses
  • HVAC Contractors

    Total Home Comfort HVAC Services

    San Marcos, CA

    Up to 3 businesses

25 of 25 shown. Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.

Top rated

Highest-rated hvac contractors in San Marcos

Ranked by Google rating, then review count. Only businesses rated 4.5 or higher with 5+ Google reviews qualify.

  1. Five Star Svc Co

    5.0336 Google reviewsVerified

    Air conditioning repair · Heating repair · HVAC installation

  2. Oasis Plumbing Heating & Air Conditioning

    5.0193 Google reviewsVerified

  3. Smart Decisions SDS Inc

    5.010 Google reviewsVerified

  4. J A Fergus Heating & Air Conditioning

    5.06 Google reviewsVerified

  5. Action Air Conditioning & Heating

    4.93,817 Google reviewsVerified

  6. We Care Plumbing Heating and Air

    4.81,121 Google reviewsVerified

See every hvac contractors in San Marcos sorted by rating · Best of San Marcos across every trade

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25 HVAC contractors serve San Marcos, CA. 8 are rated 4.5 or higher on Google and 5 have a perfect 5.0. 13 have a website. Most common services: Air conditioning repair, Air quality services, Heating repair, HVAC installation, HVAC maintenance.

Verified on Google
7
Average rating
4.8 / 5
Google reviews
5,603

Services hvac contractors in San Marcos list on Google

Service names as each business entered them on its Google Business Profile, with how many businesses list each one.

Page One Partner Research

How HVAC contractors in San Marcos compare

HVAC ContractorsSan MarcosCAU.S.
Average Google rating (10+ reviews)4.84.744.69
Median Google reviews981725
Reviews for the top quarter336+65+108+
Have a website50%52.9%60.6%

Businesses listed in our directory, not every business in the market. Updated November 2026. HVAC Contractors industry report · What is a good rating for HVAC contractors? · Best cities for HVAC contractors

From Page One Partner Research

  • In San Marcos, half of the HVAC contractors we list with reviews have 98 or fewer Google reviews, and 336+ puts one in the local top quarter; the average rating is 4.8 (24 listed in our directory). HVAC Contractors industry report
  • A good Google rating for HVAC contractors: in our directory, the median is 4.8 and at least a quarter hold a perfect 5.0. Half of them have 25 or fewer reviews. What is a good rating for HVAC contractors?
  • California businesses in our directory average 4.52 stars on Google, ranking 22 of the 50 states we measured; 30.9% list no website. Ratings in every state

Quick answers

Who serves San Marcos?

Names and Google ratings, straight from each business's profile.

Which HVAC contractors serve San Marcos, CA?

25 HVAC contractors serve San Marcos, CA. Highest rated (10+ reviews): Five Star Svc Co (Verified, rated 5.0 on Google from 336 reviews), Oasis Plumbing Heating & Air Conditioning (Verified, rated 5.0 on Google from 193 reviews) and Smart Decisions SDS Inc (Verified, rated 5.0 on Google from 10 reviews), plus 22 more.

How many HVAC contractors serve San Marcos, CA, and how are they rated?

25 HVAC contractors serve San Marcos, California. 8 are rated 4.5 or higher on Google and 5 have a perfect 5.0. 13 have a website. Most common services: Air conditioning repair, Air quality services, Heating repair, HVAC installation, HVAC maintenance. ZIP codes covered: 92069, 92078, 92076, 92079.

Which HVAC contractors in San Marcos, CA have the most Google reviews?

Action Air Conditioning & Heating (3,817 reviews, rated 4.9), We Care Plumbing Heating and Air (1,121 reviews, rated 4.8) and Five Star Svc Co (336 reviews, rated 5.0). Review counts are read from each business's Google Business Profile.

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Questions about San Marcos businesses

How businesses get here and how up to date everything is.

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