Full-Service Plumbing, Heating, and AC Solutions for Homeowners in San Marcos, CA

Looking for home services professionals who can get the job done without hassle? Work with our team at Thompson Plumbing Heating and Air Conditioning for exceptional service. Our San Marcos plumbers and HVAC technicians will take the time to understand your needs and present you with options that fit your goals and budget. 

Call today for quality plumbing and HVAC services in the San Marcos, CA area. Your peace of mind is our priority–we will work closely with you to identify the source of your plumbing, heating, or cooling problem and offer the best solution for your home.

Work With the Preferred Heating and Air Conditioning Company in San Marcos, CA

AC not cold enough? Struggling with recurring indoor air quality problems? Get the answers you need when you work with our San Marcos, CA heating and air conditioning experts. We work with all makes and models of HVAC systems and offer full installations, repairs, and servicing to help you achieve your indoor comfort goals easily and efficiently.

Give us a call today to book an appointment for heating, air conditioning, or indoor air quality services in San Marcos, CA.

Peace of Mind Plumbing: Contact Our San Marcos Plumbers Today for Immediate Service

Plumbing problems can lead to water damage, structural damage, and high water bills. Don’t leave your plumbing concerns to just anyone. Call on the experts your neighbors have trusted since 1980. Thompson Plumbing Heating and Air Conditioning will get to the bottom of your plumbing issue and offer options for repair or replacement to help you enjoy long-term peace of mind. Reach out today to schedule trusted plumbing services in San Marcos, CA.

Call Now and Get Your Plumbing or HVAC Needs Resolved ASAP With Our San Marcos Professionals

The last thing you want to deal with is an AC problem or an unexpected plumbing leak. If you are having issues with your plumbing or HVAC system, don’t hesitate to reach out to our experts at Thompson Plumbing Heating and Air Conditioning for immediate service. We will have the problem identified and resolved in no time using safe, proven solutions.

Contact our experts today and schedule your next plumbing, heating, or AC service with us in San Marcos, CA or the surrounding area. 

Contact Us





    Local Reviews
    for San Marcos, CA

    Thompson Plumbing Heating and Air Conditioning Rated 5.0 out of 5 stars based on 4 customer reviews

    Amazing Service




    Review of Thompson Plumbing Heating and Air Conditioning

    Ignacio arrived on time and was very helpful. We definitely recommend Thompson for anyone in need of their services. Thank you guys again for your help it is very appreciated!


    Great 👍




    Review of Thompson Plumbing Heating and Air Conditioning


    Great Service




    Review of Thompson Plumbing Heating and Air Conditioning


    Fast and done right




    Review of Thompson Plumbing Heating and Air Conditioning


    Thomas B.

    Thomas B.

    Connie.almanza.cartmart.com Send estimate to email address. We where called out to cart mart because one of the filter systems that they wash the carts with burst. They a technician from the manufacture of filter systems out and told them the water pressure is to high, we need that report and document saying what pressure they measured.

    Near S Bent Ave, San Marcos, CA 92078
    Ignacio V.

    Ignacio V.

    Customer hears water drops coming from the ceiling in their master bathroom. Went into attic and looked at all the fittings in the area and found no issues with the copper pipes. Crawl into attic and investigate for possible pinhole

    Near Vista Colina Dr, San Marcos, CA 92078
    Ignacio V.

    Ignacio V.

    Arrived at home in San Marcos and tested homes water pressure. Gauge read 100 psi. Recommended homeowner to install new regulator. Installed new regulator and set pressure at 65psi.

    Near Vista Colina Dr, San Marcos, CA 92078
    Ignacio V.

    Ignacio V.

    Install new shower cartridge

    Near N Twin Oaks Valley Rd, San Marcos, CA 92069
    Ty J.

    Ty J.

    Performed a heating maintenance in San Marcos. Evaluation of the furnace showed nothing out of the ordinary. System runs fine given its age and is within mfg specs

    Near Mira Lago Way, San Marcos, CA 92078
    Ignacio V.

    Ignacio V.

    Checked kitchen faucet and tried to fix low flow issue. Removed cartridge and cleaned it out but still had low flow. Recommended customer to call Delta and see if they can send them a replacement faucet.

    Near N Twin Oaks Valley Rd, San Marcos, CA 92069
    Ignacio V.

    Ignacio V.

    Install 2 inch band coupling on pvc pipe. Pipe appears to have 2 small holes in it that cause water to pour out of it. Torqued down band to 60 psi.

    Near Mission Terrace Ave, San Marcos, CA 92069
    Ty J.

    Ty J.

    Performed a heating maintenance in San Marcos, performed full evaluation of furnace and only had two issues that need to be addressed. Gas valve replacement and motor run cap. Everything else is in range.

    Near Goddard St, San Marcos, CA 92078
    Ty J.

    Ty J.

    Performed a heating maintenance in Escondido. Evaluation of furnace resulted in no issues and the system is operating well within range.

    Near Ficus Ln, San Marcos, CA 92069
    Kel  R.

    Kel R.

    Kitchen faucet supplied by customer. Installed, no further leaks. All is working great.

    Near Christen Way, San Marcos, CA 92069

    We’re Ready to Help!

    Call now!

    (760) 842-7630

    Font Resize
    Scroll to Top