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San Antonio's Trusted Source
for Plumbing & HVAC Services

Read what our customers have to say:

  • They did an amazing amount of work in a week's time.

  • Professional from start to finish. The people were honest, fair, and timely.

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San Antonio Plumber

Plumbing & HVAC Services Since 1934

Guarantee Plumbing & AC, Inc. has been delivering the highest quality plumbing and HVAC services for more than 80 years. Our family-owned and operated business is proud to serve San Antonio and the surrounding areas in Texas as a leading energy efficiency and water conservation plumbing company. We owe our continued success to an unwavering commitment to customer service and satisfaction.

We proudly serve customers in their home and in their business. Whether you are having issues at a residence, a high-rise office building, a restaurant, or another commercial location, our plumbing company may help you get started on an immediate solution and prepare for long-term preventative maintenance that ensures you do not waste your time, money, and comfort on unnecessary hassles.

We proudly serve clients in San Antonio and all surrounding areas in Texas, including Alamo Heights, Balcones Heights, Leon Valley, Universal City, Olmos Park, Terrell Hills, and Castle Hills!

What Makes Us Different

  • Licensed, bonded, & insured technicians

  • 100% guarantee on all parts and labor

  • Emergency services available

  • Free estimates and financing plans

Why Choose Our Team?

We understand the importance of quality and efficiency. Our team of highly trained technicians at Guarantee Plumbing will deliver superior service and high quality products to our customers. Not only do we offer a 100% guarantee on labor and parts, but we also service all brands. Each of our trucks keeps quality parts on-hand to allow our plumbing and repair specialists to resolve situations in timely fashion, regardless of what may arise. When you face a major problem in your home or business, call our San Antonio plumbing & AC repair technicians to help!

Plumbing Installation & Repairs

We utilize state-of-the-art methods that allow us to provide superior service to our customers' homes and businesses. When it comes to plumbing installation, maintenance and repair, our San Antonio plumbers tackle issues of all shapes, and sizes. Whether you're having trouble with a drain clog or a gas leak, our plumbing team may help you find an effective and long-lasting solution.

HVAC Installation & Repairs

Our San Antonio heating and cooling specialists handle installations, repairs and maintenance for heating and cooling systems of all kinds. Our cutting-edge services include many green, energy-saving options. This allows us and our customers to make a positive impact on the environment, one step at a time. It also allows us to save our customers from expensive repairs and utility bills.

Proud Members of the Following Associations

"I’m telling everyone to use Guarantee Plumbing & AC!"

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