Vent-Axia® Heating Calculator
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Room Dimensions
Room Reference
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Length (metres) (m)
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Width (m)
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Height (m)
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Length of External Sides (m)
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Total External Window Area (m²)
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Room Type Room Reference Room Volume  Floor Area  External Wall Area  Internal Temp °C External Temp °C Air Changes per/hour Window U Value  Wall U Value  Roof U Value  Ceiling U Value  Floor U Value 
Heat Loss Watts
About the Room
Room Type
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What is above the room?


What is below the room?


New Build or Renovation?
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Room Type Room Reference Room Volume  Floor Area  External Wall Area  Internal Temp °C External Temp °C Air Changes per/hour Window U Value  Wall U Value  Roof U Value  Ceiling U Value  Floor U Value 
Heat Loss Watts
Temperatures
Geographical Location
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Internal Temperature (°C)
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External Temperature (°C)
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Room Type Room Reference Room Volume  Floor Area  External Wall Area  Internal Temp °C External Temp °C Air Changes per/hour Window U Value  Wall U Value  Roof U Value  Ceiling U Value  Floor U Value 
Heat Loss Watts
Ventilation
Air Change Rate (per/hour)
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Room Type Room Reference Room Volume  Floor Area  External Wall Area  Internal Temp °C External Temp °C Air Changes per/hour Window U Value  Wall U Value  Roof U Value  Ceiling U Value  Floor U Value 
Heat Loss Watts
'U' Values
Window 'U' Values?
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Wall 'U' Values?


Roof 'U' Values?


Ceiling 'U' Values?


Floor 'U' Values?
Room Type Room Reference Room Volume  Floor Area  External Wall Area  Internal Temp °C External Temp °C Air Changes per/hour Window U Value  Wall U Value  Roof U Value  Ceiling U Value  Floor U Value 
Heat Loss Watts
Product Selection
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Customer Details
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Project Reference:

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Postcode:
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Quoted products
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