4 ms·
Yes - we have a dual fuel system. HP is used when the temps allow it. As far as I can tell, it's not eonomic to run it below 5C, and certainly not comfortable.
by tomohawk 4y ago
Yes - we have a dual fuel system. HP is used when the temps allow it. As far as I can tell, it's not eonomic to run it below 5C, and certainly not comfortable.