>> Bought a house with hot water heat (built 1920). Old boiler, but had it
>> serviced and cleaned and thermostat replaced; they saw no problems with
>> Gas company gave us last year's usage (i.e. by previous owner). Of
>> the dollar cost is affected by the weather and the price of nat gas,
>> was able to do get the data to calculate therms used per degree-day,
>> is independent of those variable factors.
>> We are using nat gas at a rate that is about 30% higher than the
>> I know they might have had their thermostat set low (ours is at 69), but
>> while that would make a difference, it wouldn't make such a huge
Each 1 degree drop in temperature results in ~5% lower heating costs. If
your thermostat were at 63, you'd be there. I keep mine at about 64, which
is ok if we dress in 2 or 3 layers.
I have looked at the rate of gas use by the dryer and the hot
>> water heater, and these seem normal (about 300 cu. ft per hr for the
>> for example) and wouldn't make a big difference to the total. When
>> gas-using devices are off, the gas meter dials do not move.
>> All our windows are closed and the house is in fact better sealed (more
>> weatherstripping and some fiberglass batting in attic) than when we
>> in, and we also insulated the hot water pipes in the basement. So we
>> expected to be slightly ahead of the previous owner, not far behind.
>> All suggestions greatly appreciated.