Water Heater Installation in Hollister, Sized and Set Up Right

DAE Plumbing installs new tank, tankless, and high-efficiency water heaters for new builds, additions, relocations, and upgrades in Hollister and across the Central Coast. Licensed, bonded, and insured, with free estimates on every installation.

📞 Call (831) 801-1079 Get Free Estimate

Free Estimates, Upfront Pricing

Licensed & Insured, CA Lic. #1047507

Family-Owned & Operated

20+ Years of Experience

Serving Hollister Since 2018

DAE Plumbing installs new gas, electric, tankless, and high-efficiency water heaters in Hollister and the surrounding five-county area. We size each unit to real household demand, run the gas, venting, and water connections it needs, and install to current California code with seismic strapping and relief piping. Permits are coordinated and estimates are free.

When You Need Water Heater Installation

Installation is different from a like-for-like swap. It means putting in a water heater where the existing plumbing was not built for the one you want.

You need installation work when a new home or addition needs its first water heater. It is also the right service when converting from a tank to tankless, which needs new venting and a larger gas line, or when moving the heater out of a closet, attic, or living space.
It also covers adding a second unit for a large home or an accessory dwelling unit, and pairing a heater with a boiler or recirculation loop. Growing households call us when the existing heater simply cannot keep up.
If the old unit still works but no longer fits how you live, installation is the conversation to have.

If it has failed or is leaking, water heater replacement is the faster path.

Building, adding on, or moving your water heater? Tell us about the space and your household and we will size the right unit.

📞 Call (831) 801-1079

Mon-Fri 7am-5pm, weekends by appointment

What the Installation Process Looks Like

Every installation starts with sizing. We count bathrooms, fixtures, and people, check the fuel supply, and calculate peak demand before recommending a unit.

Tankless units are sized by flow rate and temperature rise, and tanks by first-hour rating. Next we plan the location: clearances, combustion air, venting route, condensate drainage, and access for future service.
On installation day we set the unit, run or upsize the gas line, install the venting, and plumb the hot and cold connections with isolation valves. California code items go in at the same time: seismic strapping, a relief valve with a discharge line, a drain pan where required, and an expansion tank when needed.

We then fill, purge, fire, and test the system, set the temperature, and show you how to maintain it.

Our Work in Hollister

Tankless water heater installed with dedicated gas, venting, and isolation valve connections at a Hollister-area home.

Water heater set at trim-out on a new construction project, with code-required strapping and relief piping.

New tankless water heater installed alongside water treatment equipment that protects it from hard-water scale.

How It Works

Sizing & Free Estimate

We calculate your household's peak hot water demand, check the fuel supply and location, and quote the complete installed price for the right unit.

Gas, Venting & Installation

We set the unit and run the gas, venting, water, and condensate connections it needs, with seismic strapping, relief piping, and an expansion tank where required.

Test, Walkthrough & Inspection

We fire and test the system, set the temperature, show you how to maintain it, and coordinate the permit inspection.

What Customers Say About DAE Plumbing, Inc.

Live, unedited Google reviews from homeowners, builders, and property managers across the Central Coast.

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Ready to Schedule Your Water Heater Installation?

Serving Hollister and the Central Coast. Licensed, bonded, and insured, and every estimate is free.

📞 Call (831) 801-1079 Request a Free Estimate

How Long It Takes

A tank installation in a new or prepared location usually takes half a day. A tank-to-tankless conversion typically takes a full day because of new venting, gas line upsizing, and condensate routing. Relocating a heater to a different room adds time for the new supply, drain, and gas runs. On new construction, the water heater goes in at trim-out, after rough-in and before final inspection. Permit inspection scheduling can add calendar days but rarely adds work days. We give you a realistic timeline with the estimate.

What It Typically Costs

Installation cost depends on the unit type and capacity, the fuel source, and how much new gas, venting, and water piping the location needs. A tank set where the connections already exist is the simple end of the range. A tankless conversion or a relocation costs more because of the gas line and venting work, though tankless units last around twenty years and cut standby energy loss. When you ask for a quote, expect questions about household size, fuel type, the planned location, and the distance to your gas meter. Estimates are free and cover the complete installed price, including code items and permit coordination.

Licensed, Bonded, and Insured

DAE Plumbing, Inc. holds California contractor licence 1047507 and is bonded and insured. Water heater installation is a core service on our Google Business Profile, and tankless conversions are among the work Central Coast homeowners bring us most often. New construction is our core specialty, so we plan water heater locations, gas sizing, and venting at rough-in rather than improvising at the end. Every installation follows the manufacturer's specifications, which keeps your equipment warranty valid, and meets current California Plumbing Code.

Local Factors in Hollister and the Central Coast

Hard water across the Hollister basin shapes every installation decision. Scale shortens tank life and can void tankless warranties when water goes untreated, so we often pair a new installation with a water softener. California's energy code is steering new construction toward high-efficiency and heat pump water heaters, and we help builders and homeowners weigh purchase price against operating cost. Seismic strapping is required statewide. Garage installations in older Hollister, Gilroy, and Salinas homes often need their gas and venting brought up to current code before a new unit can go in.

Related Plumbing Services

DAE Plumbing, Inc. handles every plumbing scope on the Central Coast. Explore our water heater replacement, water treatment, new construction plumbing services, see all plumbing services in Hollister, or request a free estimate today.

Common Questions

Who installs new water heaters in Hollister, CA?

DAE Plumbing, Inc., a licensed and insured plumbing contractor based in Hollister, installs new tank, tankless, and high-efficiency water heaters across San Benito, Santa Clara, Monterey, Santa Cruz, and San Mateo Counties. The company holds California licence 1047507 and provides free estimates.

Is a tankless water heater worth installing in California?

For many Central Coast households, yes. A tankless unit delivers continuous hot water, lasts around twenty years, and frees up floor space. Installation costs more than a tank because of venting and gas line upgrades, and hard water needs treatment and periodic descaling to protect the heat exchanger.

Can a water heater be moved to a different location?

Yes. Relocating a water heater means running new hot and cold supply lines, extending or rerouting the gas line, and installing venting to code at the new spot. Common moves are from a closet or attic to the garage, or to an exterior wall for a tankless unit.

Frequently Asked Questions

We add up the fixtures and appliances that run at the same time, then match a unit to that peak demand. Tanks are sized by first-hour rating and tankless units by flow rate. As a rough guide, a family of four needs a 50-gallon tank or a tankless unit around 8 to 9 gallons per minute.

Usually, yes. Most conversions mount the tankless unit on a nearby wall and reuse the water connections. The gas line often needs upsizing because tankless units draw more gas at full fire, and the unit needs new venting and a condensate drain. We confirm all of it on site before quoting.

Yes. New construction is our core specialty, so we plan the water heater location, gas sizing, and venting at rough-in and set the unit at trim-out. That includes tank, tankless, and high-efficiency units, plus recirculation loops on larger homes.

Yes. A recirculation loop brings hot water to distant fixtures faster and cuts the water wasted while you wait. It is easiest to add during new construction or a remodel, and many existing homes can be retrofitted.

Yes. California jurisdictions, including Hollister and the surrounding cities, require a permit for water heater installation. The inspection confirms seismic strapping, venting, gas connections, and the relief valve. We coordinate the permit and inspection as part of the job.

Get Your Free Water Heater Installation Estimate

Licensed, bonded, and insured (CA Lic. #1047507). Serving Hollister, Gilroy, Morgan Hill, Salinas, San Juan Bautista, Watsonville, Monterey, San Jose, Santa Cruz and surrounding areas.

📞 Call (831) 801-1079 Request a Free Estimate