Heat Output Calculator

Pick the appropriate details from the drop down lists then enter the other measurements needed to complete the calculation. Click the “Calculate” button and the output required in Watts/BTUs is then displayed.

Please note this is only a guide and any heat output figures given should be checked and verified with your heating engineer as MHS cannot accept any design responsibility.

On which level is the room?

Basement Ground Floor Middle Floors Top Floor

How high is the room (m)?

2.4 metres 2.7 metres 3.0 metres 3.3 metres 3.6 metres 3.9 metres 4.2 metres

What is the floor area (m²)?

What is the length of the exterior walls of the room (m)?

How are the walls constructed?

Solid Cavity Insulated

What type of windows does the room have?

Single Glazed Double Glazed

What is the total area of all windows & glazed doors (m²)?

Calculate