Overview. In the years after World War I Americans quickly reached the conclusion that their country's participation in that war had been a disastrous mistake, one which should never be repeated again. During the 1920s and 1930s, therefore, they pursued a number of strategies aimed at preventing war.
Tel: 01483 750447. Low Temperature Heat Pump. Low Temperature (LT) air source heat pumps (ASHPs) are highly flexible, energy efficient home heating systems that extracts the heat from the outside air, raises this heat to a higher temperature and then distributes warmth around the home.
Ground-source heat pumps, also called geothermal heat pumps, typically have higher efficiencies than air-source heat pumps. This is because they draw heat from the ground or groundwater which is at a relatively constant temperature all year round below a depth of about 30 feet (9 m).