How much you get
Pairs naturally with other upgrades
Cambridge was formed by merging Galt, Preston, and Hespeler along the Grand River, and those older town cores have some of the oldest housing stock in the Waterloo Region, which is exactly the kind of home where an original tank is often well past end-of-life and the upgrade makes sense on its own.
What's actually different about Cambridge
Cambridge's manufacturing history left behind a mix of older worker housing near the former mills and newer subdivisions further from the river, and the age gap between those areas is wide enough that a tank's condition varies a lot block to block.
GrandBridge Energy was formed by merging Cambridge and North Dumfries Hydro with Brant County Power, one of several utility mergers across southwestern Ontario in recent years aimed at consolidating smaller municipal utilities.
Tankless and heat pump water heaters, compared
In Cambridge's older Galt and Preston housing stock, a tank has often already outlived its usual 6 to 8 year run by the time a homeowner looks at replacing it, which is where a tankless unit's 15-plus year lifespan and roughly 97 percent efficiency (against about 67 percent for a standard tank) makes the clearest case. A heat pump water heater is the other high-efficiency path, with a coefficient of performance around 2.5 to 3.5, and it's the technology the $500 provincial rebate specifically supports.
How to claim it
In Cambridge, older homes in Galt and Preston are common candidates for this swap, so flag that history to your assessor if it applies to your address.
- Book an initial home energy assessment ($600, refunded later)
- Get your custom report
- Install the heat pump water heater plus at least one other qualifying upgrade
- Book a follow-up assessment
- Rebate arrives by mail within 60 days
Water Heater installers in Cambridge
Real companies based in Cambridge, pulled from their current Google reviews. We're not paid to list anyone here.
See all Cambridge installers →
Common questions
What rebates cover water heaters in Cambridge?
Ontario's program rebates heat pump water heaters under the same Home Renovation Savings framework as heat pumps. Confirm the current amount with your installer, since these figures change more often than the headline heat pump numbers.
Does the recent GrandBridge Energy merger affect my rebate?
No, the merger changed who bills your electricity, not your eligibility for the provincial water heater rebate. The $500 program runs independently of which utility serves your address.
Are tankless water heaters rebated in Cambridge?
Standard tankless (on-demand) gas water heaters generally aren't rebated. The $500 provincial program is built around heat pump water heaters specifically, though tankless is still worth considering for the efficiency and lifespan gains on its own.
Your utility: GrandBridge Energy
GrandBridge Energy is Cambridge's electric utility, formed from a recent merger of Cambridge and North Dumfries Hydro with Brant County Power. The $500 water heater rebate is a province-wide program rather than a GrandBridge incentive, but the utility is still your point of contact for service capacity questions and worth checking for its own conservation programs.
Next steps
View all Cambridge rebate programs → or check the official Home Renovation Savings Program site → for the current source of truth.