How to save natural gas? Suggest 10 points. Spammed answers will be reported and deleted.
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Maintain the heating system . have your furnace inspected regularly by a qualified professional and change filters once per month....................
Install programmable thermostat...
Turn down the water heater...
conserved hot water
cook up energy saving...
mantaing heating system
Install programmable thermostat...
Turn down the water heater...
conserved hot water
cook up energy saving...
mantaing heating system
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