Calculate Savings - Amazon Smart Thermostat

thermostats savings calculations

Estimated savings based on assumptions below

	Per Year	Lifetime
Dollars Saved	$236.67	$3,550.04
Kilowatt Hours Saved	2,006	30,085
Gallons of Water Saved	0	0
Trees Planted	1	16

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Amazon Smart Thermostat

non-programmable thermostat

Utility Costs and Usage

type of heater	gas electric
cost per kilowatt hour
cost per therm
cost per CCF
cost per cubic meter
1 CCF = 103,100 BTU = 1.031 therm 1 m³ = 35.31 ft³ = 0.3531 CCF
Heating Seasonal Performance Factor (HSPF)	BTU/(W hr)
Seasonal Energy Efficiency Rating (SEER)	BTU/(W hr)
Annual Fuel Utilization Efficiency (AFUE)	%

Heater capacity	BTU/hr
Air conditioner capacity	BTU/hr
Time heating without programmable thermostat	hours
Time cooling without programmable thermostat	hours
Time heating with programmable thermostat	hours
Time cooling with programmable thermostat	hours

Step 1 determine heating and cooling saved

2079 hours - 1726 hours = 353 heating hours saved

1118 hours - 928 hours = 190 cooling hours saved

Step 2 determine energy savings for heating

36,000 BTU/hr heating capacity / 8.2 HSPF = 4390 W (efficiency-adjusted)

4390 W / 1,000 W/kW = 4.39 kW

4.39 kW x 353 hours of heating saved = 1549.67 kWh saved

Step 3 determine energy savings for cooling

36,000 BTU/hr cooling capacity / 15 SEER = 2400 W (efficiency-adjusted)

2400 W / 1,000 W/kW = 2.4 kW

2.4 kW x 190 hours of cooling saved = 456 kWh saved

Step 4 determine total savings

1549.67 kWh saved on heating + 456 kWh saved on cooling = 2,006 kWh saved yearly

2,006 kWh yearly savings x 15 year expected life = 30,085 kWh lifetime savings

2,006 kWh saved x $0.118 per kWh = $236.67 total yearly savings

30,085 yearly savings x $0.118 per kWh = $3,550.04 lifetime savings

Savings calculations are presented as an example of potential savings; actual savings may vary based on use, utility rates and other factors. Calculations are based on national averages and assumptions and may be adjusted for a more accurate estimate of individual savings. While EnergyEarth strives to provide the most accurate information, we cannot guarantee the savings displayed.