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210-826-2333 Emergency Service Available

- Since 1934 in San Antonio -


Guarantee Plumbing & A/C is a family-owned business located in Olmos Park. Few plumbing companies in the United States can match our record of success and dedication to customer satisfaction.

Licensed, Bonded & Insured

LICENSE #M 59 & TACLA002949C – A licensed master plumber in Texas must have 8+ years of training and experience, with at least 4 years as a licensed journeyman.

Offering Green Products

There are two major benefits to going green in the home⁠—saving unnecessary expenses on utility bills and making a positive impact on the local environment.

100% Guarantee - Labor & Parts

After we make a repair, we offer a 100% guarantee on the parts and labor for one year. If the covered part fails within the warranty we replace it at no additional charge.

100% Guarantee on Labor & Parts

After we make a repair, we offer a 100% guarantee on the parts and labor for one year—if the covered part fails within the warranty we replace it at no additional charge. We make this guarantee for two reasons: we are confident in our ability to deliver effective solutions—and more importantly—we put the comfort and satisfaction of our customers first.

Residential & commercial plumbing, A/C & HVAC services in San Antonio since 1934

Specialists in Residential Plumbing Repair San Antonio TX for 86 Years

For many decades, family-owned Guarantee Plumbing has provided residential customers from Olmos Park to Hollywood Park to Shavano Park with a wide variety of plumbing services, including major and minor repairs, fixture replacement—including water heaters, drain clean-outs, leak detection, sewer and water line installation and more. Our longtime customers know they can count on us for high quality work, great customer service and reasonable costs. We look forward to serving you for any of your plumbing needs.

Count on Guarantee for Your HVAC Service San Antonio TX

You can’t go wrong when you call Guarantee for AC or heating repair, maintenance and installation or duct-work and insulation. We have experienced employees–some have been with us 30 to 40 years—and we offer a 100% guarantee on all parts and labor. Whether you need a pro for energy efficient heating, cooling, duct-work or insulation, Guarantee is a full-service company that will always come through for your heating or AC repair in San Antonio. Ask about our AC packages, which are great deals when it comes to keeping you cool AND saving money.

From the Ground up—Providing Contract Plumbing and HVAC San Antonio

Commercial contractors have no hesitation in hiring Guarantee for big construction jobs. Our plumbing and HVAC services have been solicited for municipal projects, universities, and Sea World Aquatica, to name a few. In addition, we have a large number of commercial customers with multiple units, such as senior living facilities, River Walk restaurants, hotels, schools and churches.



Serving Commercial & Residential Customers

Many companies offering plumbing and HVAC service in San Antonio may not be available to service commercial as well as residential customers. At Guarantee Plumbing & AC, Inc., we have the skills and experience to handle our customers’ needs in the office and the home. Commercial and business establishments of all kinds rely on us for effective solutions.

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