Electric Water Heaters

Energy Efficiency Regulations

Technical Requirements for Energy-Using Products

Electric water heaters

PRODUCT CLASS MAXIMUM ALLOWABLE STANDBY LOSS
September 2004
(W)
Bottom inlet *
50 to 270 litres
(11 to 59 Imperial gallons)
40 + (0.20V)
270 to 454 litres (60 to 100 Imperial gallons)--> > 270 to 454 litres
(60 to 100 Imperial gallons)
(0.472V) – 33.5
Top inlet
50 to 270 litres
(11 to 59 Imperial gallons)
35 + (0.20V)
270 to 454 litres (60 to 100 Imperial gallons)--> > 270 to 454 litres
(60 to 100 Imperial gallons)
(0.472V) – 38.5
Where V

rated storage capacity in litres

W

Watts

* = supply pipe external to tank and connection near the bottom.

Standby Loss as defined in the CSA test procedure.

Requirements for the energy efficiency report, as listed in Schedule IV of the Regulations

  • type of product (electric water heater);
  • brand name;
  • model number;
  • manufacturer;
  • name of the organization or province that carried out the water heater verification and authorized the verification mark that will be affixed to the water heater;
  • volume (rated) of the storage tank in litres;
  • rated inputupper/lower elements in watts;
  • standby loss in watts; and
  • type of cold water inlet: top or bottom.

APPLIES TO
stationary electric storage tank water heaters with a capacity of not less than 50 litres (11 imperial gallons) and not more than 450 litres (100 imperial gallons) that are intended for use on a pressure system.

TEST STANDARD
CAN/CSA-C191-04

COMPLIANCE DATE
February 3, 1995

ENERGUIDE LABEL

Unchecked box required
Checked box not required

ENERGUIDE DIRECTORY

List of models available

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