#1
Chambliss Plumbing Company
“Have used this company several times and always pleased with their professionalism. Installed new tankless water heater looks great and works great.” — Google review
Best Water Heater Installation Services in San Antonio, TX
The 10 best-rated water heater installation services in San Antonio, TX average 4.9★ on Google across 14,711 reviews. Chambliss Plumbing Company has the top rating (5.0★), and A&A Plumbing, Heating, and Cooling has the most reviews (3,793). Updated November 11, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (14,711 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Jilly Plumbing
“James and Brandon helped install a new garbage disposal and noticed a pipe was aged and sure enough it broke as they took it off. Glad they educated and were aware. Very respectful, no pressure and even picked up a…” — Google review
#3
Bluebonnet Plumbing
“I have used Bluebonnet Plumbing on more than one occasion for different tasks and have referred their services to family and friends. Skylar is very efficient and professional. I rarely write reviews but from my…” — Google review
#4
A&A Plumbing, Heating, and Cooling
“Cisco, Carlos, Bryan were fantastic. Very knowledgeable, helpful, and honest. Highly recommend these guys. They got everything done quick and clean They even covered their shoes. Great job guys.” — Google review
#5
Rosenberg Plumbing & Air
“We just had our heating system serviced by Rosenberg Plumbing & Air. I requested Dam Le because he's very thorough, shows you what he's done to the system, and gladly answers questions. He provides excellent customer…” — Google review
#6
1st Call Plumbing & AC
“Team arrived within 30 minutes! Super nice professional guys!! Fixed the issue and was gone in less than one hour!! Highly recommend!!!” — Google review
#7
Big City Plumbing, LLC
“Chris is as able to do a sewer inspection of a property we are looking at, even found the clean out two inspectors missed. Great service.” — Google review
#8
Lee’s Plumbing Repairs
“Caleb did a great job of getting my kitchen sink unclogged. Made recommendations for future. He knew I needed to get to work and was quick to get this taken care of.” — Google review
#9
Roadrunner Plumbing & Air
“Matt came and replaced our broken water heater. He was very professional and communicated with me very well on what things needed to be done. He is very detail oriented and did not just install a water heater and…” — Google review
#10
Diamond Plumbing Inc
“Austin and pal were quick and professional. One went to address a warranty item and another took care of our washing machine connection and there was no charge for either since there wasn't anything to repair on the…” — Google review
How we pick water heater installation services in San Antonio
We scan Google Maps for water heater installation service listings in and around San Antonio, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated water heater installation service in San Antonio?
Chambliss Plumbing Company has the highest Google rating on our San Antonio list: 5.0 out of 5 from 1,601 reviews (as of November 11, 2026).
Which water heater installation service in San Antonio has the most reviews?
A&A Plumbing, Heating, and Cooling has the most Google reviews among the companies listed here: 3,793, with a 4.9★ average.
How are these water heater installation services chosen?
Only open San Antonio-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Also in San Antonio: Wildlife Removal Services · Auto Repair Shops · Gutter Installation Services · Home Inspectors · Photographers · Car Detailing Services · Outdoor Lighting Installers · Home Staging Services · Tutoring and Lessons · Tool Stores · Furniture Delivery · Dog Trainers · Yoga Studios · Water Softener Repair · Comedy Clubs · Design-Build Firms