Advantages:
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More convenient: only the general power, without modification.
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Safer: no combustion, eliminating gas explosion, gas poisoning, eliminate potential crisis.
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More save money: save electricity at least two-thirds, eliminating costs.
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More environmentally friendly: do not produce carbon dioxide, air pollution, reduce the greenhouse effect, leaving the next generation of pollution-free sky.
Multi-function: hot water, air conditioning, heating, dehumidification, air quiet, a set of five equipment to meet.