| BS 6901:1987 | Specification for rating and performance of air source heat pumps with electrically driven compressors |
| BS 7326:Part 1:1990* EN 255-1:1988 | Specification for rating and performance of heat pumps with electrically driven compressors. Terms, definitions and designations |
| BS EN 12055:1998 | Liquid chilling packages and heat pumps with electrically driven compressors. Cooling mode. Definitions, testing and requirements |
| BS EN 12178:2003 | Refrigerating systems and heat pumps. Liquid level indicating devices. Requirements, testing and marking |
| BS EN 12263:1999 | Refrigerating systems and heat pumps. Safety switching devices for limiting the pressure. Requirements and tests |
| BS EN 12309-1:2000 | Gas-fired absorption and adsorption air-conditioning and/or heat pump appliances with a net heat input not exceeding 70 kW. Safety |
| BS EN 12309-2:2000 | Gas-fired absorption and adsorption air-conditioning and/or heat pump appliances with a net heat input not exceeding 70 kW. Rational use of energy |
| BS EN 12693:2008 | Refrigerating systems and heat pumps. Safety and environmental requirements. Positive displacement refrigerant compressors |
| BS EN 13136:2001 | Refrigerating systems and heat pumps. Pressure relief devices and their associated piping. Methods for calculation |
| BS EN 13313:2001 | Refrigerating systems and heat pumps. Competence of personnel |
| BS EN 14276-1:2006 | Pressure equipment for refrigerating systems and heat pumps. Vessels. General requirements |
| BS EN 14276-2:2007 | Pressure equipment for refrigerating systems and heat pumps. Piping. General requirements |
| BS EN 15450:2007 | Heating systems in buildings. Design of heat pump heating systems |
| BS EN 1736:2000 | Refrigerating systems and heat pumps. Flexible pipe elements, vibration isolators and expansion joints. Requirements, design and installation |
| BS EN 1736:2008 | Refrigerating systems and heat pumps. Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes. Requirements, design and installation |
| BS EN 1861:1998 | Refrigerating systems and heat pumps. System flow diagrams and piping and instrument diagrams. Layout and symbols |
| BS EN 255-1:1997 | Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors. Heating mode. Terms, definitions and designations |
| BS EN 255-2:1997 | Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors. Heating mode. Testing and requirements for marking for space heating units |
| BS EN 255-3:1997 | Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors. Heating mode. Testing and requirements for marking for sanitary hot water units |
| BS EN 255-4:1997 | Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors. Heating mode. Requirements for space heating and sanitary hot water units |
| BS EN 378-1:1995 | Specification for refrigerating systems and heat pumps. Safety and environmental requirements. Basic requirements |
| BS EN 378-1:2000 | Specification for refrigerating systems and heat pumps. Safety and environmental requirements. Basic requirements, definitions, classification and selection criteria |
| BS EN 378-1:2008 | Refrigerating systems and heat pumps. Safety and environmental requirements. Basic requirements, definitions, classification and selection criteria |
| BS EN 378-2:2000 | Specification for refrigerating systems and heat pumps. Safety and environmental requirements. Design, construction, testing, marking and documentation |
| BS EN 378-2:2008+A1:2009 | Refrigerating systems and heat pumps. Safety and environmental requirements. Design, construction, testing, marking and documentation |
| BS EN 378-3:2000 | Specification for refrigerating systems and heat pumps. Safety and environmental requirements. Installation site and personal protection |
| BS EN 378-3:2008 | Refrigerating systems and heat pumps. Safety and environmental requirements. Installation site and personal protection |
| BS EN 378-4:2000 | Refrigerating systems and heat pumps. Safety and environmental requirements. Operation, maintenance, repair and recovery |
| BS EN 378-4:2008 | Refrigerating systems and heat pumps. Safety and environmental requirements. Operation, maintenance, repair and recovery |
| BS EN 60335-2-40:1993 | Specification for safety of household and similar electrical appliances. Particular requirements. Electric heat pumps air conditioners and dehumidifiers |
| BS EN 60335-2-40:1998 | Specification for safety of household and similar electrical appliances. Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers |
| BS EN 814-1:1997 | Air conditioners and heat pumps with electrically driven compressors. Cooling mode. Terms, definitions and designations |
| BS EN 814-2:1997 | Air conditioners and heat pumps with electrically driven compressors. Cooling mode. Testing and requirements for marking |
| BS EN 814-3:1997 | Air conditioners and heat pumps with electrically driven compressors. Cooling mode. Requirements |
| CP 3000:1955 | Code of practice on the installation and maintenance of underfeed stokers |
| DD CEN/TS 14825:2003 | Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling. Testing and rating at part load conditions |
