works and the need to accommodate an internal unit. Taking that into account, the "better" GSHP efficiency may only actually equate to 300 pa saving on running costs which means that it could take 20 years to recover the additional investment! According to SKF, the SKF Solar Linear Actuator-CASD-60, a BeyondZero Portfolio product, contributes to the reduction of CO2 emissions by [...] Subscribe Renewable Energy Installer is the market leading information source for the microgeneration industry. Our magazine is sent to all MCS registered installers and other carefully controlled individuals and businesses in the market. If you would like to apply to get Renewable Energy Installer Magazine, please click on the link below.