Are there any "hybrid" home heating systems, for example oil/gas and solar?

Since hybrid car technology exists, I wondered about the availability of hybrid home heating systems. It seems to me that this might be a viable option for homes in areas that have cold winters and rainy spring and/or fall seasons.

There is a system called a Dual Fuel system. This is a heatpump and a gas unit in one. Once the temperature gets too cool for the heat pump side, the gas kicks in.

2 Responses to “Are there any "hybrid" home heating systems, for example oil/gas and solar?”

  1. Bill says:

    Carrier call its system hybrid.
    References :

  2. Saucy says:

    There is a system called a Dual Fuel system. This is a heatpump and a gas unit in one. Once the temperature gets too cool for the heat pump side, the gas kicks in.
    References :

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