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My own house is above ground over a crawlspace, 1320 square feet, has no shade, no solar, and no woodstove. The heating system is a gas water heater that heats both the house and the domestic hot water. Three people living in it.
The utility useage for 2003 was as follows:
8890 heating degree days.
659 therms of natural gas.
3879 KwH electricity.
A high efficiency modulating condensing boiler with indirect hot water heater would reduce the gas useage by 15% or so.
I'd really like to see the numbers for some earth sheltered homes.
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06 Canyon: The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
22 Maverick: Summer 2022 burned 62.74 gallons in 3145.1 miles for 50.1 MPG. Winter 2023-2024 - 2416.7 miles, 58.66 gallons for 41 MPG.
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