Southwest Gas Tankless Water Heater Rebate

Southwest Gas Corporation

Available Weatherization

About This Program

Rebate for installing a qualifying natural gas tankless (on-demand) water heater with energy factor of 0.82 or higher. Available to Southwest Gas residential customers.

Flat $500 rebate for qualifying tankless water heater installation

Official source site checked live on 2026-06-17.

Data last verified 2026-06-09. How we verify our data.

Key Details

  • $500 rebate for tankless gas water heater
  • Minimum 0.82 energy factor required
  • Must be Southwest Gas customer
  • Professional installation required
  • Submit rebate within 180 days

How to Apply

Get free help applying Visit Official Program Page Track this program

(877) 860-6020

A grant-savvy contractor in Anthem, AZ can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

This grant requires a licensed contractor

This grant requires the work to be done by a licensed contractor, and you will likely need a written estimate to apply. Get a free estimate from a contractor in Anthem who knows grant paperwork.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • Photos of the problem area or the work to be done.
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Ongoing program

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