165+ Reviews

Tankless Water Heater Installation in Most of Orange County, CA

Experienced Plumber in Orange County and the Surrounding Areas
Tankless Installation that Fits Your Property

Tankless Water Heater Installation Orange County, CA

Tweedy Plumbing is based in Costa Mesa, and our team has been working in Orange County, CA, since 1976, before tankless heaters became common in homes. That experience matters when a tankless unit must fit plumbing installed decades earlier.

Sized for How Your Home Uses Hot Water

Choosing a tankless unit is not about picking the smallest box that fits. We ask when hot water use peaks and how many fixtures may run together. That information shapes our tankless water heater installation services, from the unit we recommend to the work needed before it can be connected.

Wall-Mounted Design Saves Utility Space

Tankless units mount on a wall and heat water as it is used, freeing floor space compared with a conventional storage tank. Tweedy Plumbing checks the water lines, gas or electrical capacity, venting, drainage, and mounting area, then completes the required connections and tests the system before use.

Visit Us

817 W 17th St #1 Costa Mesa, CA 92627

24/7 Emergency Call

(949) 771-7390

Clear Lines, Honest Work

The Tweedy Plumbing Tankless Installation Process

01

Assessment and Sizing

We begin by seeing how much hot water the property uses and where the new unit can go. That visit tells us which model fits and what must change beforehand.

02

Prepare Utilities and Mounting Area

The old heater stays put while we prepare the mounting spot and check whether the new unit can use the existing connections. Once that is settled, we safely remove it.

03

Install and Connect the Unit

A heater can look finished on the wall and still not be ready. During Orange County tankless water heater installation, we finish the connections and check our work before the first startup.

04

Test Performance and Explain Operation

We run the heater with hot water flowing through it. Not for a few seconds. Then the plumber explains what you need to know before handing it over for use.

Customer Feedback

Why Clients Keep Calling Tweedy Plumbing

Many customers call us again because their visit went smoothly and the repair held up after the plumber left.

Star Icon They are INCREDIBLE and so honest and helpful. I had a leak under my fridge. They came out within the hour, didn't upcharge me for the emergency, and fixed the problem in 30 minutes. Honest and reliable .I will use and refer over and over again.
Jenn F.
Star Icon Blocked kitchen sink - water leaking under the sink - a real mess! Tweedy to the rescue. Fast friendly service and clean up. Everyone needs to clean out under the sink now and then, this might not be my first choice for cleaning but Tweedy is my first choice for plumbing.
Victoria Rafa
Star Icon We've used Tweedy plumbing many times over the past 7 or 8 years, & have never had any complaints. Excellent customer service, they always show up on time, they're clean & professional, and pricing has always been up front & honest. Highly recommended!
Christina R.

Tankless Installation Planned around Your Property

Every property uses hot water differently. Before Orange County tankless water heater installation begins, we check how much it needs and choose a unit that matches demand at busy times.

Plan for Peak Hot Water Demand: Two showers at once should not overwhelm the heater. We calculate your household’s busiest demand before recommending a tankless model.

Complete Every Connection Behind the Heater: The important work happens behind the heater. Our tankless installation services get the unit connected and ready for daily use.

Check Utility Capacity Before Installation Day: The new heater cannot run on wishful thinking. We check whether your utilities can handle it before installation day arrives.

Test Performance Beyond the Initial Startup: We do not leave after turning the heater on. We run hot water long enough to catch anything behaving oddly.

Reclaim Valuable Space in Utility Rooms: Once the old tank is gone, mounting a tankless heater on the wall gives space back in the utility room.

Review Necessary Changes and Costs Upfront: You should not learn the cost halfway through the job. We explain what needs changing before you make the call.

Unsure which tankless heater fits your home? Call Tweedy Plumbing. We’ll check the space and explain which unit makes sense.
Area We Serve

Where Tweedy Plumbing Provides Tankless Water Heater Service

Tweedy Plumbing provides Orange County tankless water heater service from Costa Mesa for homes, multifamily properties, and businesses throughout the service area. Appointments are available across the communities listed below, with the same installation planning, connection work, testing, upfront pricing, and family-owned service standards on each scheduled installation we complete.