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New installs and tank conversions · Open 24/7
Tankless Water Heater Installation in San Antonio, TX
New gas and electric tankless water heaters installed, including conversions from a traditional tank.
Call or text, 24/7(210) 756-3144- Priced before we start
- Licensed & insured
- Open 24/7
- Work guaranteed
How the job goes
Tankless Water Heater Installation, explained
We check gas line size and venting first. Tankless units need far more gas than a tank, and an undersized line is the top cause of poor performance.
Every install gets isolation valves so the unit can be descaled, plus proper venting, condensate handling, and a permit.
From recent Lone Star jobs
What changes the price
What goes into a tankless water heater installation quote
Every job is quoted flat after we see it. These are the things that move the number.
| Factor | Why it matters |
|---|---|
| Gas line size | Most homes need a larger gas line for tankless. |
| Venting | New venting route through a wall or roof. |
| Conversion | Converting from a tank adds plumbing changes. |
- In business
- Family-owned and veteran-owned, serving San Antonio since 2017
- Owner
- Brad Perkins, raised in the trade in San Antonio
- Languages
- English and Spanish. Se habla español.
- Pricing
- Flat-rate pricing, no-pressure sales. Call to talk.
- Warranty
- Warranty on all work
- Availability
- Calls answered 24/7, 365 days a year
How a visit works
Four steps, one price
- 1Call or textAnswered 24/7. We ask what you are seeing and how to shut off water or gas if needed.
- 2DiagnoseWe find the actual cause, with a camera, gauge, or photo you can see.
- 3Flat quoteYou get one price and decide. No hourly meter.
- 4Fix and guaranteeWork done, tested, site cleaned, workmanship guaranteed.
Hot water in San Antonio
Tankless Water Heater Installation in San Antonio: local factors
Hard water is hard on tankless heat exchangers. In San Antonio we strongly recommend a softener or scale protection, plus descaling on a schedule. We also handle relocations, such as moving an old attic tank to a garage tankless.
We work from 8666 Huebner Rd and cover the Medical Center, Leon Valley, Castle Hills, Shavano Park, Helotes, Alamo Ranch, Stone Oak, Alamo Heights, and the surrounding communities, around the clock.
Questions
Tankless Water Heater Installation FAQ
Will I need a bigger gas line?
Often, yes. We check before quoting.
Is tankless worth it?
If you want endless hot water and lower standby losses, it usually is over the life of the unit.
Keep going
Related services
A leak costs more every hour it runs.
Shut the supply off if you can reach the valve, then call. We answer 24 hours a day, 7 days a week.
Call (210) 756-3144