Description of the calculator

Enter temperatures in ℃ in the first and third columns
Enter monthly average RH in % in the second and fourth columns
The default outside values are for Birmingham UK
Enter characteristics of the building then press 'calculate'
The energy use in kWh/m3 will appear in the last column

Outside climate Inside climate
MonthTRH T RH kWh/m3
January
February
March
April
May
June
July
August
September
October
November
December

Building characteristics   need help?

Surface to volume ratio:    U-value: 
Air changes per hour:     Light energy (kWh/m3.year): 

   Annual energy for climate control (kWh/m3)

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kWh: total _  heating/cooling _  humidity _
Temperature: out ___  in __
RH: out ___  in __

Calculation description

 

© Tim Padfield 2010
Creative Commons License
This work is licensed under a
Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License.

This calculator is in JavaScript. It can be saved to disk and will work offline.