Heating - FAQ

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  • What is dual energy?

    Dual energy consists in combining two sources of energy to supply a heating system.
    Electricity is usually used as the main source and fuel oil or gas as the auxiliary source. Electricity is used during the major part of the heating season and auxiliary heating (fuel oil or gas) automatically takes over when temperatures drop (-12 ºC or -15 ºC according to the region). Users can take advantage of better rates, such as the Rate DT offered by Hydro-Québec. This preferential rate also applies to the entire electricity consumption of your home.
    The main advantages of dual energy are that while you can enjoy a reduced rate and play a part in reducing greenhouse gas emissions, dual energy also leads to the optimal management of the Quebec hydroelectric network by reducing the intensity of the need during periods of peak demand in cold temperatures.

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