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Install the Right System

Water Heater Replacement

Plan your new water heater installation with help from Harts. Our licensed plumbers install gas, electric, hybrid, tank, and tankless systems, including first-time installations, system conversions, and new setups for remodeled or expanded spaces.

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Water Heater Installation Options

Every home has different hot water needs, available space, and installation requirements. Harts helps you choose the right system type, location, capacity, and energy source before installation begins.

New System Installations

Install a properly sized water heater for a new home, remodel, addition, or updated plumbing space.

Tankless Conversions

Upgrade from a storage tank to an on-demand system with proper flow rate, venting, and fuel planning.

Fuel Source Changes

Compare gas, electric, and hybrid options when changing system types or energy sources in your home.

Sizing and Placement

Choose the right capacity, location, and setup based on household demand and installation requirements.

Planning a New Water Heater Installation

Installing a water heater is not just about choosing equipment. The system needs to match your household’s hot water demand, available fuel source, installation space, plumbing layout, and long-term efficiency goals.

Harts helps evaluate the best setup for your home, whether you are adding hot water to a new space, finishing a remodel, converting system types, or planning a first-time installation. We review practical options and provide upfront pricing before work begins.

Two Harts plumbers beside a service van prepping traditional water heaters during a water heater replacement and installation service
Harts technician discussing water heater service options with a homeowner

Designed Around Your Home’s Requirements

A successful installation depends on more than the water heater itself. Tank, tankless, hybrid, gas, and electric systems may have different requirements for venting, electrical capacity, gas supply, drainage, airflow, clearances, and access.

Our plumbers review these details before recommending a system, so the installation is practical for your home and suited to your daily needs. From equipment sizing to placement and setup, Harts helps you avoid guesswork and move forward with confidence.

Reasons to Add or Upgrade Your System

A new installation may be needed when you are adding hot water to a new area, changing system types, upgrading energy sources, or planning around a remodel. These situations often require a professional review before equipment is selected.

You are adding hot water to a new space

You are changing from gas to electric or electric to gas

Your remodel or addition needs a dedicated system

Your current setup no longer fits your household needs

You want to convert from tank to tankless

You need a better location for access, venting, or space

Harts technician greeting a homeowner before a service appointment

Why Choose Harts?

Water heater installation requires careful planning, proper sizing, and attention to your home’s plumbing, electrical, gas, and venting requirements. Harts helps you compare system types, review installation needs, and choose a setup that supports reliable hot water.

Our licensed plumbers install gas, electric, hybrid, tank, and tankless water heaters. Whether you are adding a new system, converting to tankless, changing fuel sources, or planning around a remodel, we provide clear options and upfront pricing before work begins.

*5% off eligible services, up to $200. Proof of eligibility required. Terms and exclusions may apply.

Ready to Plan Your Upgrade?

Get expert guidance, clear options, and upfront pricing for a new water heater setup that fits your home.

What to Expect

Harts keeps the installation process clear from the first evaluation through final testing, so you understand your options, requirements, and next steps before work begins.

01

Schedule Service

Call or book online and tell us about your home, project, and hot water needs.

02

In-Home Evaluation

A Harts plumber evaluates the installation area, fuel source, plumbing, venting, and access needs.

03

Compare Options

Review compatible tank, tankless, and hybrid systems, with clear options and upfront pricing provided.

04

Prepare Setup

We complete the approved setup work needed for the selected system and installation location.

05

Install and Test

We install the water heater, test operation, clean the work area, and review the system with you.

Plan Your Installation

Water Heater Planning and Requirements

The right water heater installation depends on how your home is built, where the system will be located, and how much hot water your household needs. Fuel source, equipment type, system capacity, venting, electrical service, gas supply, drainage, and access should all be reviewed before installation.

Choosing the Right Setup

Different projects require different installation plans, especially when adding a new system or changing equipment type.

First-Time Water Heater Installation

A first-time installation may be needed for a new home, addition, detached space, garage, shop, or remodeled area. The setup should account for hot water demand, plumbing connections, equipment location, and available energy source before the system is selected.

Tank-to-Tankless Conversions

Converting from a traditional tank to a tankless water heater can provide on-demand hot water and save space. The home may need updates to gas capacity, venting, electrical service, plumbing, or installation location depending on the selected system.

Gas, Electric, and Hybrid Options

Gas, electric, and hybrid heat pump water heaters each have different installation needs. Choosing the right option depends on available utilities, efficiency goals, indoor space, ventilation, drainage, and the overall cost of setup and operation.

Installation Requirements

A professional installation review helps confirm that the selected water heater is practical for the home.

Proper Sizing and Hot Water Demand

Water heater sizing should reflect household size, fixture use, peak demand, and system type. Tank systems are sized by storage capacity and recovery rate, while tankless systems are sized by flow rate and temperature rise.

Venting, Electrical, Gas, and Plumbing

Different systems may require specific venting, dedicated electrical circuits, gas-line capacity, shutoff valves, drain connections, or plumbing modifications. These requirements can affect which water heater options are compatible with the home.

Location, Access, and Local Codes

The installation location should allow proper clearances, service access, drainage, ventilation, and safe operation. Harts reviews the space and installation requirements so the new system can be set up correctly and maintained more easily over time.

Reviews

See what local homeowners have shared about their experience with Harts plumbers and the quality of our water heater installs.

“I reached out to Harts after receiving a very high bid from another local company to install a new tankless water heater and decommission an old solar hookup. Jeremy explained the work and the issues with our current setup. Justin and another technician completed the installation, kept the area clean, communicated clearly, and explained how everything worked when they were finished.”

Shalimar G.

Tukwila, WA

Tankless Water Heater Installation

“Harts had great communication, and both technicians we worked with were very helpful. Not many companies can give you a price one day and complete the installation the next. They installed a new tankless water heater and a septic-friendly disposal. I would highly recommend them.”

Joe R.

Hansville, WA

Tankless Water Heater Installation

“Dominick was friendly and professional. He talked me through my options and completed the water heater installation quickly and efficiently.”

Jesse G.

Centralia, WA

Water Heater Installation

“Harts installed a new toilet, tankless water heater, and replaced the shutoff valve to the main water line. The technician was very professional, took great care of my home, and answered all my questions with patience. I would highly recommend Harts.”

Patty Q.

Everett, WA

Tankless Water Heater Installation

“Matt went above and beyond with our water heater installation. He was very informative and knowledgeable. I highly recommend Harts.”

Robert H.

Spanaway, WA

Water Heater Installation

“Matthew was a great technician and helped me by installing a new water heater. He was knowledgeable, professional, answered my questions, and got the job done right.”

Davis L.

Yelm, WA

New Water Heater Installation

“Thomas was very helpful. He explained the process for getting our water heater installed, went over all the options, and was very thorough throughout the process. Great experience.”

Aurora W.

Tacoma, WA

Water Heater Installation

“Matt was pleasant, friendly, professional, and helpful. He answered my questions and helped me understand the situation, which made it easier to decide on a new water heater. I appreciate having such a quality employee serving Harts customers.”

Brad B.

Lacey, WA

New Water Heater Installation

“I’m glad I called. Thank you for informing me about what needed to be done with my water tank. I had no idea, and I appreciate the help. Better to be safe. Thanks again!”

Connie S.

Pierce County

Water Heater Installation

Harts service area map covering communities across Pierce, King, Thurston, Snohomish, and Kitsap counties.

Install Service Areas

Harts provides water heater installation throughout the Puget Sound region, serving homeowners across Pierce, King, Thurston, Snohomish, and Kitsap counties. Our licensed plumbers install gas, electric, hybrid, tank, and tankless systems for new setups, conversions, remodels, and upgraded hot water needs.

Primary service hubs:

The Harts markers show our primary service hubs, while the shaded map represents the broader communities we serve. From Olympia and Tacoma to Renton, Seattle, Lynnwood, and the Kitsap Peninsula, professional water heater installation help is nearby.

Save On Water Heater Installation

Offers & Discounts

Check out the current promos and coupons from Harts Plumbers, Electricians, & HVAC Technicians.

Water Heater Installation FAQs

Find answers to common questions about new water heater installation, system types, sizing, fuel sources, conversions, and installation requirements.

Yes, a licensed plumber should install a water heater to help ensure the system is properly connected, sized, vented, and set up for safe operation. Gas, electric, tankless, and hybrid systems may involve plumbing, electrical, venting, drainage, or code requirements that should be professionally reviewed.

Water heater installation often refers to adding a system in a new location, setting up a first-time water heater, or converting to a different system type. Replacement usually means removing an existing water heater and installing a new unit in its place. Some projects may involve both.

Yes, many homes can be converted from a tank water heater to a tankless system. The project may require updates to gas supply, venting, electrical capacity, plumbing, or the installation location. Harts can evaluate your home and explain which tankless options are practical.

Yes, some homes can switch from gas to electric, but the installation may require electrical updates, circuit capacity review, and changes to the existing plumbing or venting setup. Harts can review your home’s utilities and explain whether an electric or hybrid system is a practical option.

The right size depends on household occupancy, fixture use, peak demand, fuel source, and system type. Tank water heaters are sized by storage capacity and recovery rate, while tankless systems are sized by flow rate and temperature rise. Proper sizing helps support reliable hot water.

A water heater may be installed in a garage, utility room, closet, basement, crawlspace, or other approved location, depending on the system type and local requirements. The space must allow safe access, clearances, ventilation, drainage, and the proper plumbing, gas, or electrical connections.

Yes, tankless water heaters may require specific venting, gas-line capacity, electrical connections, condensate drainage, water treatment, and proper placement. These requirements depend on the model, fuel type, household demand, and existing home setup. A professional evaluation helps confirm compatibility before installation.

Water heater installation cost depends on the system type, installation location, fuel source, capacity, required modifications, and whether the project involves a conversion or new setup. Harts reviews your home, explains compatible options, and provides upfront pricing before approved installation work begins.

Contact Us Now

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Ongoing Maintenance

Join The Harts Home Care Plan

Harts Home Care Plan Member

Stay ahead of unexpected home service problems with the Harts Home Care Plan. Members receive priority service, no trip fees, dedicated support, and 10% off eligible service work, making it easier to care for the systems that keep your home safe and comfortable.

Membership includes ongoing preventive service, with biannual HVAC tune-ups, an annual plumbing and sewer safety check, and an annual electrical safety inspection. These visits can help identify wear, safety concerns, and developing problems before they lead to larger repairs or unexpected disruptions.

The plan supports your home’s plumbing, sewer and drain, electrical, heating, and cooling systems, giving you one convenient way to maintain essential equipment, receive member benefits, and get help when you need it.

Plumbing Services Across the Puget Sound

Our licensed plumbers provide plumbing services throughout the Puget Sound region.
For tank or tankless water heater help, find a plumber near you.

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