What alternatives are there to a gas boiler for private house

boilernatural-gas

I am looking for gas boiler alternatives for private house. At this moment I have found solid fuel boiler as replacement of gas one. Could someone suggest any alternative to gas technology or other (better) implementation of this one?

ADDED:

By the way I have found:

Thermia's heat pumps

Best Answer

Fuel Sources

Coal

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Wood

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Propane

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Natural Gas

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Oil

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Electricity

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Biomass Pellets

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Sun

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Earth

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Nuclear Fission

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Heat Transferers

Gas

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Liquid

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Heating Systems

Furnace

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Boiler

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Heat pump

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Electric heater

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Wood stove

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Fire place

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pellet stove

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Tauntaun

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