AirSourceSizing...

Please use the calculator below to work out the heat loss for a property. Remember this must be divided by the floor area of the property in order to give a heat loss per meter squared as required to work out the correct heatpump size.

Simply complete the details below clicking the 'Add Room' button after every room. A summary of the rooms you have added can be found in the section below.   Name of room: Height of room (m): Type of room: Living Room Bedroom Hallway or Kitchen Bathroom Width of room (m): What is below the room? Heated room Soil under wooden floor Soil under solid concrete floor Air under suspended concrete floor Length of room (m): What is above the room? Heated room A pitched uninsulated roof Pitched roof insulated 50mm Pitched roof insulated 100mm Flat roof uninsulated Flat roof insulated Window Area (m²): Type of outside walls: Brick Cavity Insulated Brick Cavity 105mm Solid Brick 220mm Solid Brick Wood frame   Type of windows: Wood/Plastic double glazed Metal double glazed Metal Single glazed Wood Single glazed Heat loss in Watts: Number of outside walls: One Two Three Heat loss in BTU's:    House Summary A summary of the rooms you have added is listed here. No rooms to show.