Heating capacity estimation request

To have our consultant calculate an estimate of the furnace capacity you need, please provide the following information.

Enter the amount of energy you currently use on heating and hot water, and the units: (kWh, m3 of gas, etc)

if yes, what heating requirement did it calculate? and what units? (kWh, m3 gas, etc)

Since receiving this information, what changes (If any) to building fabric, heating system or lifestyle which may affect your energy consumption have you made?

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