Sustainable Hotel
Introduction
Environmental Management
Appliances
Insulation
Lighting
Heating
Water
Purchasing
Waste
Additional Information
Introduction
Benchmarking Tool
Introduction
Solar Thermal Heating
Solar Photovoltaic Cells
Wind Turbines
Combined Heat & Power
Ground Source Heat Pumps
Wood Boiler & Hydro
Rainwater Harvesting
Control Systems
Financial Assistance
Environmental Reviews
Consultancy
Waste Audits

Ground Source Heat Pumps use the refrigeration cycle to transfer heat from the ground to a hot water and space heating system. The ground temperature remains stable at 11-12°C throughout the year.

They are especially suitable for under floor heating because they are most efficient providing water at 35°C.

At their most efficient they generate 4KW of heat for every 1KW electricity used in the compressor and pump. They are perhaps of most benefit to buildings with no gas supply and where a condensing boiler cannot be used.

 

Air to Water Heat Pumps: Where land around the business is limited, the ambient heat energy in the air or water can be harnessed in the same way as with ground source heat pumps. Air to water heat pumps work like air conditioning in reverse and provide 3KW of heat for every 1KW of electricity used to run the pump.

 

Ground Source and Air Source Heat Pumps