San Marcos, CA

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Providing Service 6 Days a Week. Monday – Sunday, 8:00 AM – 7:00 PM

You can rely on us for fast, effective services. As part of our 5 Star Service Guarantee, we promise to value your time, provide knowledgeable technicians, and dedicate ourselves to your full happiness with all of our services.

Serving San Diego County and Orange County

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Call (760) 276-6690 or Send us a Message

San Marcos HVAC & Plumbing Services

The Top Choice for Heating & Cooling Service in San Marcos, CA

At John Stevenson Plumbing, Heating & Air Conditioning, we understand how important it is to have a reliable heating, ventilation, and air conditioning (HVAC) system in your San Marcos home or business. That’s why we offer top-notch HVAC services to keep your indoor environment comfortable and healthy year-round.

Our team of skilled HVAC technicians has the expertise and experience necessary to handle a wide range of HVAC issues, from routine maintenance to emergency repairs and installations. We use the latest tools and technology to diagnose and fix problems quickly and efficiently, so you can rest assured that your HVAC system is in good hands.

Here are some of the HVAC services we offer in San Marcos:

  • HVAC Repair: If your HVAC system is malfunctioning, we can diagnose the problem and provide prompt repairs to get it back up and running.
  • HVAC Installation: Whether you’re building a new home or replacing an old HVAC system, we can install a new system that meets your needs and fits your budget.
  • HVAC Maintenance: Regular maintenance is essential to keep your HVAC system running smoothly and efficiently. We offer comprehensive maintenance services to keep your system in top shape.
  • Indoor Air Quality: Poor indoor air quality can have a negative impact on your health and comfort. We can help you improve your indoor air quality with air filtration systems, air cleaners, and other solutions.

At John Stevenson Plumbing, Heating & Air Conditioning, we are committed to providing our San Marcos customers with reliable and affordable HVAC services. Contact us today to schedule an appointment or learn more about our services.

Licensed Plumbers in San Marcos

Looking for a local San Marcos plumber to help you with a plumbing repair, maintenance, or installation job? Look no further. As a trusted service company that has been in business since 1990, John Stevenson has the expertise, tools, and training to complete your plumbing service quickly, affordably, and conveniently. We offer flexible scheduling and offer same-day and emergency services whenever possible. 

Give us a call to request an appointment with a plumber in San Marcos who can help you with:

  • Clogged drains
  • Broken water heaters
  • Leaking pipes
  • Backed up toilets
  • Dripping faucets
  • Corroded water lines
  • Poor water quality
  • And more

Our San Marcos plumbing services are designed for your complete satisfaction. To work with a trusted plumbing company near you, give us a call today at (760) 276-6690.

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What Makes Us a Community Name?

Benefits of Working with Our Expert Team

Drug Tested & Background Checked Technicians

Upfront Pricing — You’ll Never Pay More Than You’re Quoted

Expert Advice From Professional, Licensed and Certified Technicians

We Stock Enough Parts in Our Trucks to Do 93% Of Repairs on the Spot

Flexible Scheduling - Ask About Same-Day or Emergency Service

5 Star Service Guarantee Includes Service Tailored to Your Needs & Budget

Frequently Asked Questions

In short, yes. A first step is conducting an energy audit to determine the energy load for your home. Calculating the load tells the experts at John Stevenson Plumbing, Heating & Air how much heat your house gains throughout the day & what size air conditioner will work best to keep it cool. This is critical as most A/C installation issues stem from an improperly-sized air conditioning unit.
Here’s where the load calculation comes into play, as you want to pick the right size A/C unit to install – either too big or too small of an A/C unit can lead to costly repair or replacement down the road. Call the HVAC professionals at John Stevenson Plumbing, Heating & Air, they’ll know which A/C unit is perfect to install in your home at the lowest price.
The price of replacing your air conditioning unit depends a lot on the size of the unit you need to fit the size of your house. But no matter what unit you pick out for your home, ask an expert at John Stevenson Plumbing, Heating & Air for fast answers & reliable service. Trained technicians can come to your house to give you an upfront, transparent installation report, as well as consult you on what unit your home will need.
Breakdown of your home A/C unit can stem from many different things, from an electrical issue to the compressor being misaligned or broken. Luckily for you, the team at John Stevenson Plumbing, Heating & Air is trained in diagnosing the problem and presenting you with a competitive price to fix or replace and install your new A/C unit.
Our technicians at John Stevenson Plumbing, Heating & Air can replace your air conditioning unit. An A/C unit is something that will be a part of your house for many years, and it is important that it is installed correctly to keep your energy costs low and your unit working at top performance. Our team at John Stevenson Plumbing, Heating & Air has top-quality, highly-trained technicians that will come to your house to help you to make an informed decision on which unit to buy. Then, we can properly install your air conditioning unit.
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