New tank water heater installed with its connections in view

New water heater installs

Water Heater Installation Houston TX

Building, remodeling or replacing an undersized tank? Get a water heater sized to your household with every safety part in place.

Call (832) 783-9416

•Tanks or on-demand units

•Moves and new builds

•Permit handled by the plumber

Getting it right

Houston Water Heater Installation: Sizing and Setup

Finished water heater install with shutoff valves, venting and drain parts

A water heater and installation plan starts with the household, not the box. The plumber counts people and bathrooms, checks the fuel available and looks at where the unit will sit before naming a size.

Every install needs a temperature and pressure relief valve piped to a safe spot, shutoff valves, a drain pan where a leak could cause damage, and correct venting for gas. Homes in Houston, Texas need a City plumbing permit and inspection for the job.

Options

Tank, Tankless or Hybrid?

Gas tank

Fast recovery and the simplest swap where gas and a vent are already in place.

Electric tank

No vent or gas line; slower recovery, so households often go one size larger.

Tankless

Endless hot water at its rated flow, but often needs gas line or electrical upgrades.

Heat pump (hybrid)

An electric tank that pulls heat from the air; works well in a warm garage.

Location

Water Heater Installation Houston: Garage, Attic or Closet

Where the unit sits changes the work:

Garage: gas units are raised and protected from vehicles where code requires it. Raising them also helps in flood-prone areas.
Attic: needs a drain pan with a drain line, a safe walkway and a clear path to carry tanks in and out.
Interior closet: needs combustion air for gas and enough clearance; door width limits tank size.
Exterior wall: a common spot for outdoor tankless units, which need freeze protection.

Remodeling or adding a bathroom? Size the water heater first.

Call (832) 783-9416

Gas installs

Gas Water Heater Installation: Venting and Gas Line

Gas water heater installation calls for a properly sized fuel line, a shutoff and drip leg, a correctly pitched vent and fresh combustion air. Larger tanks and tankless units often need a bigger vent or gas pipe than the old unit.

What's included

Installing a Hot Water Heater: What the Quote Should List

Technician reviewing venting and clearances for a new water heater

Compare quotes on the same items:

Removal and haul-away of the old unit
Relief valve and discharge line
Shutoff valve and new connectors
Drain pan and drain line where needed
Venting changes for gas units
Expansion tank where the system is closed
City permit and inspection

Typical installed prices for a standard tank run about $1,100 to $1,900, depending on size and fuel. Thinking bigger? See the Houston tankless water heater overview.

Planning

What Homeowners Ask First

Do I need a permit to install a water heater in Houston?

Yes. The City of Houston requires a plumbing permit for water heater installation and replacement, pulled by a master plumber registered with the City.

How long does an installation take?

A same-spot tank swap usually takes a few hours. Moves, conversions and tankless installs take longer.

Is an attic install possible?

Yes, with a drain pan and drain line, safe access and room to service it.

What size tank do I need?

About 40 gallons for 1 to 3 people and 50 gallons for 3 to 5, with gas recovering faster than electric.

Who installs it?

You're put through to a local plumber who supplies, installs and quotes the job.

Plan Your New Water Heater

Describe your current unit and what you want, and we'll put you through to a local plumber in Houston, TX.

Call (832) 783-9416