Geowarmth Heat Pumps - Offers a complete design, supply, and installation service for all geothermal and ground source heating needs. Includes details of services offered, news and location. Ecovision Systems - Supplies air source and ground source heat pumps and underfloor heating for domestic and commercial buildings. ICS Heat Pumps - Provide geothermal heat pump technology to the residential and commercial markets. Includes information on the design of heat pump systems, details of products, services offered and resources. John Cantor Heat Pumps - Offers a heat pump consultancy service. Describes the basics of heat pump technology and provides information on types of source, a glossary and FAQ. Based at Machynlleth, Wales. Lowergy Ltd - Specialists in the supply and installation of air source heat pumps. Includes information on the system and the technologies involved, pricing, case studies and details of recent installations. Q-Gen - Supplier of air and ground source heat pumps. Explains how they work, describes the products and provides a brochure and FAQ. The Heat Pump Association - The HPA is the UK's leading authority on the use and benefits of heat pump technology. Provides information on membership, news, publications and case studies. Calorex - Manufacturer of air and ground source heat pumps and dehumidifiers. Provides a company profile and details of the product range. Ground Source Heat Pump Association - Provides information on the organisation, membership, grants, the GSHPA annual conference and an FAQ. Hecol Ltd - Suppliers of ground and air source heat pumps to customers in Cumbria and across the UK. Kensa Heat Pumps Ltd - Heat pump suppliers, designers and contractors. Includes information for the self builder, architect, consultant, developer, installer and housing association.