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Version
1.0
Size
112.11 Kb
Updated
9 years ago
Released
12 Feb 2013
Description
Calculate BTU units for a given room, choose surroundings, exposure, insulation, kitchen areasThe heating capacity of a furnace is measured in thousands of BTU (British Thermal Units). Furnaces are rated by the amount of fuel energy consumed when running, called input BTU. Different furnaces of the same input BTU will have different output BTU depending on the furnace efficiency. Select a furnace for your home according to the output BTU, as this is the actual heating capacity of the furnace. You can easily calculate the output BTU by multiplying the input BTU by the efficiency percentage. For example a 100,000 BTU furnace at 80% efficiency will produce 80,000 BTU of heat while a 100,000 BTU furnace at 95% efficiency will produce 95,000 BTU of heat output.
Estimates
Availability
Devices
iPhone3GS
iPadWifi
iPad3G
iPhone4
iPodTouchThirdGen
iPodTouchFourthGen
iPad2Wifi
iPad23G
iPhone4S
iPadThirdGen
iPadThirdGen4G
iPhone5
iPodTouchFifthGen
iPadFourthGen
iPadFourthGen4G
iPadMini
iPadMini4G
iPhone5c
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
iPhone7
iPhone7Plus
Pricing by country
| Country | Price |
|---|---|
| USA | 0.99 USD |