Residential Dual Energy - Hydro-Québec
Residential Dual Energy - Hydro-Québec
Residential Dual Energy - Hydro-Québec
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dual-energy<br />
heating system<br />
A dual-energy heating system uses electricity<br />
as the principal energy source and a fossil fuel,<br />
such as oil, as an auxiliary source.<br />
How it works<br />
If you are to get the most out of a dual-energy system, the switchover<br />
from one energy source to the other must be automatic. For this reason,<br />
your heating system has an automatic switch that reacts when an outdoor<br />
temperature sensor, usually built into the meter, sends it a signal at a<br />
specified temperature.<br />
• When the outside temperature is equal to or above the switchover<br />
temperature, the heating system runs on electricity, which is billed at the<br />
lower rate.<br />
• When the temperature falls below the switchover temperature, fuel<br />
heating takes over and the electricity used for other purposes is billed<br />
at the higher rate.<br />
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