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The Home Depot

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Save Green. Live Green.

Find Out How Much More Energy Efficient Your Home Could Be with Products and Know-how from The Home Depot

Let The Home Depot show how much you can save financially and environmentally by making a greener choice.

Use our calculators to determine how much more efficient your home can be and how much lower your energy costs can be annually. You may discover that small changes in a few places can add up to substantial savings both for you and the planet.

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Savings
Per Year:

Light Bulbs

For more information on how to achieve these savings, visit the Light Bulbs page>

Click here to view assumptions

CFL key assumptions and data include:
- 52 Kilowatt hour (kWh) savings/year
- 80 pounds of carbon dioxide (CO2) savings/year
- 7.3 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

LED key assumptions and data include:
- 56.1 Kilowatt hour (kWh) savings/year
- 86 pounds of carbon dioxide (CO2) savings/year
- 20 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

Additional assumptions include:
- The price of a new CFL bulb is approximately $2.00
- The price of a new LED bulb is approximately $10.00					

					Click here to view general assumptions

$0

Savings
Per Year:

Washing Machines

For more information on how to achieve these savings, visit the Appliances page >

Click here to view assumptions

Key assumptions and data include:
- 66 Kilowatt hour (kWh) savings/year
- 0.21 British Therman Unit (MBtu) savings/year
- 2,526 gallons of water savings/year
- 126 pounds of carbon dioxide (CO2) savings/year
- $31 savings per/year. Energy usage is based on a weighted average of electricity and natural gas consumption. Water savings are included in energy bill savings
- 11 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

Additional assumptions include: 
- The price of a new washing machine starts around $400.00					

					Click here to view general assumptions

$0

Savings
Per Year:

Dish Washers

For more information on how to achieve these savings, visit the Appliances page >

Click here to view assumptions

Key assumptions and data include:
- 27 Kilowatt hour (kWh) savings/year
- 0.06 British Therman Units (MBtu) savings/year
- 200 gallons of water savings/year
- 48 pounds of carbon dioxide (CO2) savings/year
- $5 savings per/year. Energy usage is based on a weighted average of electricity and natural gas consumption. Water savings are included in energy bill savings
- 10 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

Additional assumptions include: 
- The price of a new dish washer is approximately $300.00					

					Click here to view general assumptions

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Savings
Per Year:

Refrigerators

For more information on how to achieve these savings, visit the Appliances page >

Click here to view assumptions

Key assumptions and data include:
- 75 Kilowatt hour (kWh) savings/year
- 115 pounds of carbon dioxide (CO2) savings/year
- $9 savings per/year
- 12 years is the average product lifespan

Additional assumptions include: 
- The price of a new refrigerator starts around $550.00					

					Click here to view general assumptions

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Savings
Per Year:

Central Air

For more information on how to achieve these savings, visit the Appliances page >

Click here to view assumptions

Key assumptions and data include:
- 445 Kilowatt hour (kWh) savings/year
- 685 pounds of carbon dioxide (CO2) savings/year
- $51 savings per/year
- 14 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed					

					Click here to view general assumptions

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Savings
Per Year:

Heating

For more information on how to achieve these savings, visit the Heating & Cooling page >

Click here to view assumptions

Key assumptions and data include:

Gas Furnace:
- 233 Kilowatt hour (kWh) savings/year
- 6 British Therman Units (MBtu) savings/year
- 1,063 pounds of carbon dioxide (CO2) savings/year
- Energy savings is based on a weighted average of electricity and natural gas consumption.
- 18 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

Gas Boiler:
- 4 British Therman Units (MBtu) savings/year
- 469 pounds of carbon dioxide (CO2) savings/year
- 20 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

Air Source Heat Pump:
- 997 Kilowatt hour (kWh) savings/year
- 1,535 pounds of carbon dioxide (CO2) savings/year
- 12 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

GeoThermal Heat Pump:
- 6,658 Kilowatt hour (kWh) savings/year
- 10,253 pounds of carbon dioxide (CO2) savings/year
- Savings are based on a comparison of a slip air-source heat pump and an ENERGY STAR® geothermal heat pump
- 15 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed					

					Click here to view general assumptions

$0

Savings
Per Year:

Light Fixtures

For more information on how to achieve these savings, visit the Appliances page >

Click here to view assumptions

Key assumptions and data from ENERGY STAR® include:
- 153 Kilowatt hour (kWh) savings/year
- 236 pounds of carbon dioxide (CO2) savings/year
- $18 savings per/year
- 10 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

Additional assumptions include: 
- The price of a new light fixture is approximately $60.00					

					Click here to view general assumptions

$0

Savings
Per Year:

Programmable Thermostat

For more information on how to achieve these savings, visit the Energy Efficient page >

Click here to view assumptions

Key assumptions and data include:
- $836 average household annual heating/cooling bill
- 12.3% of annual bill can be saved by installing programmable thermostats
- 15 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

Additional assumptions include:
- The price of a new programmable thermostat starts at $25.00					

					Click here to view general assumptions

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Savings
Per Year:

Seal & Insulate

For more information on how to achieve these savings, visit the Seal & Insulate page >

Click here to view assumptions

Key assumptions and data from Home Depot include: 
- Savings of up to 10%  in your annual energy bill is typical with aggressive air sealing all over the home and addition of insulation in the attic and basement or crawlspace. Click here for more information about the ENERGY STAR® savings study.
- 1500 SQFT of home space
- 20 years is the average lifespan for sealing and insulation work. This is used to calculate any 'lifetime savings' information displayed

- The cost to seal and insulate is approximately $1,200					

					Click here to view general assumptions

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Savings
Per Year:

Water Heaters

For more information on how to achieve these savings, visit the Tankless Water Heaters page >

Click here to view assumptions

Key assumptions and data from ENERGY STAR® include:

Tankless:
- 8 British Thermal Units (MBtu) savings/year
- 913 pounds of carbon dioxide (CO2) savings/year
- 20 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed

Gas High Efficiency:
- 4 British Thermal Units (MBtu) savings/year
- 433 pounds of carbon dioxide (CO2) savings/year
- 13 years is the average product lifespan. This is used to calculate any 'lifetime savings' information displayed.

Savings are based on a comparison of a standard new water heater and an ENERGY STAR® tankless water heater

Additional assumptions include: 
- The price of a new water heater is approximately $800.00					

					Click here to view general assumptions

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Savings
Per Year:

Windows

For more information on how to achieve these savings, visit the Low Emissive Windows page >

Click here to view assumptions

Key assumptions and data include: 
- 7% of annual energy bills can be saved by replacing all windows with ENERGY STAR® qualified windows  
- 30 years is th

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