A comprehensive check of the engine cooling and plumbing system is necessary to identify the root cause of the engine's white ...

AN EAST Lothian manufacturer integrated its heat battery with an air source heat pump for the first time in Scotland.

Hiltz Propane Systems will display a packaged 18,000-gallon LPG skid complete with a transport/bobtail loading/unloading system.

The system consists of a box measuring about 1m x 1m x 0.4m which stands outside the property, as well as a heat pump unit and hot water cylinder inside the property. The indoor unit is about the ...