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New tankless water heater installed by Aerex Mechanical in Arlington Texas

Water Heater Installation Done Right, Usually in a Day

Tank and tankless water heater replacement for Arlington and DFW homes. Correct sizing, proper venting and gas work, permits pulled and old units hauled away.

Water heater installation

The Right Water Heater for How Your Household Actually Uses Hot Water

Replacing a water heater is a chance to fix the problems you have lived with: running out mid-shower, slow recovery or a unit that takes up half the closet. Aerex Mechanical sizes the new unit to your household, explains tank versus tankless honestly and installs it to current code with permits and inspection included.

We install gas and electric tank water heaters and gas and electric tankless systems. The proposal shows the installed price for each option you are considering, including any venting, gas line or electrical work the new unit requires, so the number does not change on install day.

  • Gas and electric tank water heaters
  • Tankless water heater installation and conversions
  • Sizing based on household demand and recovery
  • Venting, gas and electrical done to code
  • Expansion tanks and pressure relief per code
  • Old unit removed and disposed of
Free
On-Site Estimates
Licensed
& Insured in Texas
DFW
Metroplex Coverage
Aerex Mechanical technician connecting a newly installed tank water heater

What is included

What a Water Heater Installation Includes

Everything required to install the unit correctly and pass inspection, in one price.

Sizing & Options

Household size, fixtures and peak demand used to size the unit, with tank and tankless options priced side by side.

Firm Installed Price

One price that includes the unit, labor, venting, connections, permit and disposal. No add-ons on install day.

Removal & Disposal

The old water heater is drained, disconnected and hauled away. Floors and the work area are protected.

Code-Compliant Install

Water, gas or electrical connections, venting, drain pan, expansion tank and seismic strapping installed to current code.

Tankless Conversions

Gas line upsizing, dedicated venting and electrical handled when switching from a tank to a tankless unit.

Warranty & Walkthrough

Manufacturer warranty registered, temperature set and a walkthrough of the shut-off, relief valve and maintenance schedule.

How a Water Heater Installation Works

A short, predictable process from estimate to hot water.

01

Assessment & Quote

We look at the existing unit, connections and venting, discuss your hot water needs and quote the options in writing.

02

Schedule the Install

Standard replacements are usually scheduled within a few days. Emergency replacements when a tank is leaking are prioritized.

03

Installation Day

Most replacements are finished in a single visit, including removal of the old unit and a full code-compliant hookup.

04

Test & Inspect

The unit is filled, fired, checked for leaks and brought to temperature. The permit inspection is scheduled where required.

Water Heater Installation FAQs

What Arlington homeowners ask before replacing a water heater.

A tank unit costs less to install and is simple to maintain. A tankless unit provides unlimited hot water, uses less energy and lasts longer, but costs more up front and may need gas line or venting upgrades. For many DFW homes either works; we price both so you can compare.

A like-for-like tank replacement usually takes two to four hours. Tankless installations and conversions take longer because of venting, gas and electrical work.

It depends on the number of people, bathrooms and how hot water is used at peak times. A 40 or 50 gallon tank suits most households of three to five; larger families or soaking tubs may need more capacity or a tankless unit.

Yes. Water heater replacements require a permit in Arlington and most DFW cities, and we handle the permit and inspection as part of the job.

Get in touch

Tell Us What Your Building or Home Needs

Emergency repair, a maintenance quote, a system inspection, a full replacement or a new furnace, AC or water heater for your home. Reach out and we will respond within one business day.

Call or Text

(469) 351-3356

Email

info@aerex-mechanical.com

Based in

Arlington, Texas (serving DFW)

Hours

Mon-Fri 7:00 AM - 5:00 PM, emergency service available

Request Service or a Quote

Tell us about your building or home and what you need.

Ready to Work With a Contractor You Can Count On?

Join the property managers, business owners and homeowners across DFW who trust Aerex Mechanical to keep things running.