Part 3 of Geothermal Heat Pumps. GHP systems have the lowest carbon dioxide emissions of all the heating and cooling technologies. Low Energy Use The biggest benefit of GHPs is that they use 25-50% less electricity than conventional heating or cooling systems. This translates into a GHP using one unit of electricity to move three units […]
Part 11 of Get Your Power from the Sun. If you decide to get more than one bid for the installation of your photovoltaic system (always a good idea), make sure that all bids are made on the same basis. For example, a bid for a system mounted on the ground is usually very different […]