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RESIDENTIAL PRODUCTS
Homeowners
- Water heating comprises approximately
25% of the total household energy;
- In North America the daily average
hot water use is 70 litres/day/person and 18.5 US
gallons/day/person;
- Average annual energy used for
water heating is 3600 kWh;
- The market for water heating
is shared between natural gas and electric fuels;
- There are approximately 2.6
M residential water heaters in Ontario, 6.1 M in
Canada, and 64 M in the US;
- In Ontario, there are approximately
1.6 M natural gas water heaters and 0.6 M electric
water heaters;
- Solar water heating can provide
approximately 50% of the annual water heating energy
needs, and up to 100% of the needs for a 3-season
cottage.
- Avoided
CO2
for natural gas is proportional to the displaced
load;
- Avoided
CO2
for electric applications is dependent on the generation
mix;
- Water heating produces an average
of 2 tons of CO2 per
year per household.
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