01
The water heater is on its way out
Water heaters
Tank replacement and tankless conversion. On a conversion, most of the work is the gas sizing and the venting.
Thousand Oaks · Tankless
Tankless water heaters
in Thousand Oaks
Tankless water heaters in Thousand Oaks, ten minutes from the shop in Westlake Village. A tankless fires at four or five times the rate of a tank. With the gas line and venting done right, it runs twenty years.
Call (805) 330-3111
Request a visit
Dan picks up when he can and calls back the same day. You get the price before we start. Monday to Friday, 9am – 5pm.
Licensed
CSLB #339618
Insured
Bonded and insured
Since 1977
49 years, two generations
On Google
5.0 stars
Around here
In Thousand Oaks
Tankless work in Thousand Oaks is mostly conversions, and the gas line from the meter gets upsized for a whole-house unit. In October 2025 we swapped a tank in an east-side garage for a condensing tankless, then capped and pressure-tested the fire pit line at 10 psi. The permit goes through City of Thousand Oaks Building and Safety.
Neighborhoods: Lang Ranch, Sunset Hills, North Ranch, the Westlake side of the boulevard, the older tracts off Erbes Road.
Call about any of these (805) 330-3111 Mon–Fri 9–5 Request a visit →
The job
How it goes
A standard tank draws about 40,000 BTU and a whole-house tankless draws 150,000 to 199,000, which the old half-inch line often can't carry. We upsize it from the meter, and sometimes the gas company upgrades the meter. Condensing units vent in PVC with a condensate drain, and non-condensing units need stainless vent.
We size by how many fixtures run at once and the incoming water temperature, around 55 degrees here in winter. Undersizing is the mistake we see most.
Our hard water scales the heat exchanger, so a tankless needs descaling once a year. The isolation valves we fit make that a half-hour job, on our installs or anyone's.
Call if
What you notice,
and what it usually is
01
Your tank is due for replacement
A tankless lasts about twice as long.
02
Hot water runs out with a full house
Sized right, a tankless won't run out.
03
No room in the closet for a bigger tank
A tankless the size of a carry-on hangs on the wall.
04
A long wait for hot water at the far bathroom
A recirculation loop fixes it, with or without a tankless.
05
Your tankless runs weak or lukewarm
Scale. A descale usually brings it back.
Work in Thousand Oaks
Recent jobs
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October 2025
Tank to tankless, and a fire pit line tested
Swapped a tank heater for a condensing tankless unit. We also capped the fire pit gas line, pressure-tested it at 10 psi for fifteen minutes and hooked up the owner's fire ring.
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June 2026
A gas smell outside the dining room
On the Westlake side of town. Dug down to a hole in a half-inch galvanized gas pipe and replaced the horizontal run. With the gas back on, a second leak showed up where the pipe enters the house, so we shut it off again for the next stage.
Four steps
How a job goes
-
01
You call
Dan picks up when he can and calls back the same day. Tell him what it's doing.
-
02
We look
We come out, find the cause and show you, with the old part in hand when there is one.
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03
You get a price
Before anything starts. Repairs are time plus parts. Bigger jobs get a written bid.
-
04
We do the work
Small repairs usually get done the same visit. Bigger jobs get a start date we keep. Permitted where needed, and the house left clean.
Common questions
Tankless in Thousand Oaks: things people ask
- How fast can you get to the east side of Thousand Oaks?
- Often the same day. It's ten minutes from the shop. Call and Dan will give you a time.
- Does the oak tree ordinance affect a sewer repair?
- It can. The city protects oaks and their root zones, so a trench can't always take the shortest route. We locate the line from the surface and plan around the trees first.
- Does the hot water ever run out?
- Not within its flow rate. Two showers at once is fine if it's sized right. Four is too much for any unit.
- Will it cut my gas bill?
- Some, since it heats only what you use. People switch for the space, the longer life and never running out.
- Can my existing gas line handle it?
- Usually not without changes. We size the line from the meter and tell you what has to change before you commit.
Other questions (805) 330-3111 Mon–Fri 9–5 Request a visit →
Google reviews
What people say
5.0 ★★★★★ 8 reviews on Google
★★★★★
“Outstanding work! Did a terrific job of diagnosing the issue over the phone prior to repair. Plumber was on time and on point. Work was done quickly and thoroughly. Figured out the most straightforward way to fix the problem and got it done. Small footprint, quick results, up and running in no time. Would absolutely recommend.”
★★★★★
“The absolute best plumber in Los Angeles!”
Nearby
More in Thousand Oaks
- Plumber in Thousand Oaks Everything we do in Thousand Oaks.
- Leak detection in Thousand Oaks Tracking down a leak on the east side of Thousand Oaks depends on the neighborhood.
- Water heaters in Thousand Oaks The late-nineties Lang Ranch houses in Thousand Oaks are all coming up on their second water heater at once.
- Drain cleaning in Thousand Oaks Thousand Oaks protects its oaks by ordinance, and that matters for drain cleaning when a clog turns out to be in the sewer.
- Sewer camera & repair in Thousand Oaks In Thousand Oaks, a sewer camera inspection shows where the line has failed and whether a repair can stay out of a protected oak root zone.
- Repiping in Thousand Oaks Repipes in Thousand Oaks come from the older east-side tracts, where sixties and seventies copper has pinholed more than once.
- Gas lines in Thousand Oaks Most gas line jobs on the east side of Thousand Oaks lately have been outdoor kitchens and fire pits.
- Repairs in Thousand Oaks On the east side of Thousand Oaks, plumbing repairs are mostly small and usually take one visit.
- Pressure regulators in Thousand Oaks Pressure regulators in Thousand Oaks hold back street pressure that comes in above the 80 psi the code allows on the east side, and higher above Lang Ranch. When one fails, fill valves, angle stops and faucet cartridges go one after another. In December 2025 a shower valve here needed a new cartridge and the regulator had failed too, so we replaced both.
- Slab leaks in Thousand Oaks Most slab leaks in Thousand Oaks come from the sixties and seventies tracts off Erbes Road and along Westlake Boulevard, with the copper in the concrete. Lang Ranch houses are thirty years younger and rarely have one. Once the leak-locating specialist we bring in marks the spot, it's a spot repair or a reroute overhead.
Tankless nearby: Westlake Village · Agoura Hills · Oak Park · Lake Sherwood
Request a visit
Leave your details and Dan will call you back
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Tankless · Thousand Oaks
Tell Dan what
it’s doing
Most problems get sorted out on a short call. Ten minutes from the shop. Monday to Friday, 9am – 5pm.