Calculater Email* Type of site*Select your optionMAKENon-MAKEHVAC consumption on this site*greater than 8GWh/yr4GWh/yr to 8GWh/yr2GWh/yr to 4 GWh/yrsmaller than 2GWh/yrFloor area (drop down)*Select your optiongreater than 40,000m220,000m2 to 40,000m210,000m2 to 20,000m2smaller than 10,000m2