heating conservatory
Dwarf wall insulated YES
Double glazed
Polycarbonate roof
Polycarbonate roof double wall?
You shoudl get away with about 2kW, although 3kW will bring it up quicker.
Make sure it is thermostatically controlled and it is preferable to open the
internal door to get the benefit of the house central heating, assuming you
have gas or oil.
Christian.
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