Regulation 4 Hybrid heating systems

(1)

A heating system falls within this paragraph where it—

(a)

is a heating system which includes both—

(i)

a heating appliance capable of burning fossil fuels; and

(ii)

a heating appliance which meets the requirements of regulation 3 (1)(a) to (f) (stand-alone heat pumps);

(b)

provides heating for the purpose of both space heating and hot water heating, using liquid as a medium for delivering that heat; and

(c)

is capable of meeting the full space heating and hot water heating demands of the building at which it is installed.

(2)

For the purposes of paragraph (1)(a), it is irrelevant whether or not the heating appliances described in paragraphs (i) and (ii)—

(a)

were installed at the same time;

(b)

were manufactured by the same manufacturer;

(c)

were supplied by the same supplier; or

(d)

form part of the same product or unit.