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This site launched on September 8, 2025, following a migration that began in May.
While we’ve worked hard to bring everything over, a few pieces of content from that transition period might still be omitted. We appreciate your patience as we continue to update and refine the site.
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Even during a postal disruption, doing business with the City of Medicine Hat is simple! Visit medicinehat.ca/canadapoststrike for all your options.
Tankless water heaters, also known as demand-type, point-of-use, on-demand and instantaneous, only heat water when it’s needed, eliminating continuous standby losses. Those that have earned ENERGY STAR® certification use 30% less energy, on average, than a storage tank type.
To qualify, the ENERGY STAR® certified tankless water heater must:
$500 per qualifying unit
Maximum rebate: $500 (1 qualifying unit)
Attach all required documentation for the tankless water heater, as outlined below.
Omission of required documentation, and/or photos that do not clearly show the model and serial numbers for each unit, will result in an incomplete application, which will be declined by HAT Smart. A new application will be required and placed in the queue for processing based on the date it is received by HAT Smart. Payment will not be made if funds are fully subscribed.
To find proof of ENERGY STAR® certification, you will need the products’ Brand Name and Model Number.
Click on the link above and select the following from the left side menu:
Once you've found your model number, click on the product name to view/print the product specifications to submit with your final application.
Check the certificate to make sure all search criteria are shown.
All photos must clearly show the model and serial numbers for the qualifying unit.
All receipts and invoices must be dated between January 1 and December 31, 2025 and include:
Proof of payment is required for each receipt/invoice.
* If details are not available on receipts/invoices, you must provide product information that clearly shows the model number, description and Program eligibility. This information can be obtained from either the retailer or the manufacturer’s website.
Confirmation of rebate amounts received, or to be received, from complementary municipal, provincial, and/or federal government programs.
Switching to a tankless water heater can lower energy costs and provide on-demand hot water. Below are answers to common questions to help you decide if it’s the right choice for your home.
Water heaters account for 15 to 25% of your household energy bill and may become a larger portion if you upgrade the energy efficiency of your home and its space heating and cooling systems without upgrading your water heating system.
Gas-fired tankless water heaters have an Energy Factor (EF) that ranges from 0.64 to 0.98, with an average of 0.85. The higher the EF, the more efficient the water heater.
Consider how many users will be demanding hot water at the same time. If you expect that more than one shower or other appliance (such as a dishwasher) will be operating at one time, these demands must be added, and the water heater must be able to meet these peak loads.
Consult with an experienced plumber to estimate the hot water demands in your home.
Contact Us
City Hall
580 1 St SE
Medicine Hat, Alberta
T1A 8E6
403-529-8100
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