Offers a complete design, supply, and installation service for all geothermal and ground source heating needs. Includes details of services offered, news and location.

Provides information on the organisation, membership, grants, the GSHPA annual conference and an FAQ.

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.

Suppliers of ground and air source heat pumps to customers in Cumbria and across the UK.

Offer geothermal heat pump technology to the residential and commercial markets. Includes information on the design of heat pump systems, details of products, services and resources.

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.

Heat pump suppliers, designers and contractors. Includes information for the self builder, architect, consultant, developer, installer and housing association.