Able to satisfy the criteria for EnergyStar Canada: for the purposes of this directory this is considered an authoritative source of furnace test results.
Efficiency Rating (ER) of over 90% (higher than the EnergyStar requirement of 82%, so the majority of EnergyStar approved water heaters are not included in this directory).
The Efficiency Rating should be tested in accordance with Canadian Standard CGA P.7.
Full current lists of water heaters meeting our criteria may be found in the "recommended models" section.
[Full EnergyStar lists may be found here]
