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HEATING
Add On Wood Furnace
Additions & Remodels
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Zoning
 
Heating Topics and Tools
 
Attic Insulation Calculator
 

According to the US Department of Energy, up to 45% of a home's energy loss is through the attic, but the amount of heat actually lost will depend on where you live and how cold your attic gets. Therefore, homes in colder climates require higher insulation values. Recommended attic insulation levels range from R19 in the southern most parts of the US to R49 in the northernmost. Consult your local building authority for recommended levels in your area.

Click on the insulation you currently have and then the insulation you would like to add to see how much heat you could save.

Existing

Additional

 
 
 
Energy Conservation Calculators
Attic Insulation Calculator
To calculate energy savings with increased insulation
 
Clean Air Delivery Rate (CADR) Calculator
Estimate the proper size Air Purifier for your room
 
Fuel Comparison
To compare heating costs using various fuels
 
Mini-Split Estimator
Find out the right size mini-split for you
 
Thermostat Set-back
To calculate fuel savings by adjusting your thermostat settings
 
Air Conditioner Efficiency
Calculate energy savings with higher SEER ratings
 
Computer Room Air Conditioner
Size an air conditioner for your computer room
 
Window Air Conditioner Estimator
To size a room air conditioner
 
Window Upgrade
To calculate energy savings with various window replacements
 
Heatload.com
To size an Air Conditioner or Furnace for a house
 
Bypass Humidifier
Approximate your humidifier size requirements
 
Air Exchanger Sizing Calculator
Properly size an Air Exchanger for your home.
 
           
     
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