| BS ISO 16528-1:2007 | Boilers and pressure vessels - Performance requirements | Current |
| BS ISO 16528-2:2007 | Boilers and pressure vessels - Procedures for fulfilling the requirements of ISO 16528-1 | Current |
| PD 6550-4:1989 | Explanatory supplement to BS 5500:1988. Specification for unfired fusion welded pressure vessels. Section three. Design - Heat exchanger tubesheets | Current |
| BS EN 15502-2-1:2012 | Gas-fired central heating boilers - Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW | Current |
| BS EN 297:1994 | Gas-fired central heating boilers. Type B$D1$D1 and B$D1$D1$DB$DS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW | Current, Work in Hand |
| BS EN 15502-1:2012 | Gas-fired heating boilers - General requirements and tests | Current |
| BS EN 45510-4-6:1999 | Guide for the procurement of power station equipment. Boiler auxiliaries - Flue gas desulfurization (De-SOx) plant - Flue gas desulphurization (De-SOx) plant | Current |
| BS EN 45510-4-7:1999 | Guide for the procurement of power station equipment. Boiler auxiliaries - Ash handling plant - Ash handling plant | Current |
| BS EN 45510-4-3:1999 | Guide for the procurement of power station equipment. Boiler auxiliaries - Draught plant - Draught plant | Current |
| BS EN 45510-4-2:1999 | Guide for the procurement of power station equipment. Boiler auxiliaries - Gas-air, steam-air and gas-gas heaters - Gas-air,steam-air and gas-gas heaters | Current |
| BS EN 45510-4-1:1999 | Guide for the procurement of power station equipment. Boiler auxiliaries - Equipment for reduction of dust emissions - Equipment for the reduction of dust emissions | Current |
| BS EN 45510-4-8:2000 | Guide for the procurement of power station equipment. Boiler auxiliaries - Dust handling plant - Section 8: Dust handling | Current |
| BS EN 45510-4-9:2000 | Guide for the procurement of power station equipment. Boiler auxiliaries - Sootblowers - Section 9: Sootblowers | Current |
| BS EN 45510-4-10:2000 | Guide for the procurement of power station equipment. Boiler auxiliaries - Flue gas denitrification (De-NOx) plant - Section 10: Flue gas denitrification (De-Nox) plant | Current |
| BS EN 45510-4-4:2002 | Guide for the procurement of power station equipment. Boiler auxiliaries - Fuel preparation equipment | Current |
| BS EN 45510-4-5:2002 | Guide for the procurement of power station equipment. Boiler auxiliaries - Coal handling and bulk storage plant | Current |
| BS EN 45510-3-2:2000 | Guide for the procurement of power station equipment. Boilers - Shell boilers - Section 2: Shell boilers | Current |
| BS EN 45510-3-3:2000 | Guide for the procurement of power station equipment. Boilers - Boilers with fluidized bed firing - Section 3: Boilers with fluidised bed firing | Current |
| BS EN 45510-3-1:2000 | Guide for the procurement of power station equipment. Boilers - Water tube boilers - Section 1: Water tube boilers | Current |
| BS EN 1048:1999 | Heat exchangers. Air-cooled liquid coolers “dry coolers”. Test methods for establishing the performance | Current, Work in Hand |
| BS EN 305:1997 | Heat exchangers. Definitions of performance of heat exchangers and the general test procedure for establishing performance of all heat exchangers | Current |
| DD ENV 1216:1994 | Heat exchangers. Forced circulation air-cooling and air-heating coils. Test procedures for establishing the performance | Withdrawn |
| BS EN 1216:1999 | Heat exchangers. Forced circulation air-cooling and air-heating coils. Test procedures for establishing the performance | Current |
| BS EN 13487:2003 | Heat exchangers. Forced convection air cooled refrigerant condensers and dry coolers. Sound measurement | Current |
| BS EN 327:2000 | Heat exchangers. Forced convection air cooled refrigerant condensers. Test procedure for establishing performance | Current, Work in Hand |
| BS EN 307:1999 | Heat exchangers. Guidelines for preparing installation, operating and maintenance instructions required to maintain the performance of each type of heat exchanger | Current |
| DD ENV 1397:1996 | Heat exchangers. Hydronic room fan coil units. Test procedure for establishing the performance | Withdrawn |
| BS EN 1397:1999 | Heat exchangers. Hydronic room fan coil units. Test procedures for establishing the performance | Current, Work in Hand |
| DD ENV 1117:1994 | Heat exchangers. Liquid cooled refrigerant condensers. Test procedures for establishing the performance | Withdrawn |
| BS EN 1117:1999 | Heat exchangers. Liquid-cooled refrigerant condensers. Test methods for establishing the performance | Current |
| BS EN 14705:2005 | Heat exchangers. Method of measurement and evaluation of thermal performances of wet cooling towers | Current |
| BS EN 306:1997 | Heat exchangers. Methods of measuring the parameters necessary for establishing the performance | Current |
| BS EN 1118:1999 | Heat exchangers. Refrigerant cooled liquid coolers. Test methods for establishing the performance | Current |
| DD ENV 1118:1994 | Heat exchangers. Refrigerant cooled liquid coolers. Test procedures for establishing the performance | Withdrawn |
| BS EN 247:1997 | Heat exchangers. Terminology | Current |
| DD ENV 308:1991 | Heat exchangers. Test procedures for establishing performance of air to air and flue gases heat recovery devices | Withdrawn |
| BS EN 308:1997 | Heat exchangers. Test procedures for establishing the performance of air to air and flue gases heat recovery devices | Current |
| BS EN 328:1999 | Heat exchangers. Test procedures for establishing the performance of forced convection unit air coolers for refrigeration | Current, Work in Hand |
| DD ENV 1148:1994 | Heat exchangers. Water to water heat exchangers for district heating. Test procedure for establishing the performance | Withdrawn |
| BS 845-1:1987 | Methods for assessing thermal performance of boilers for steam, hot water and high temperature heat transfer fluids - Concise procedure | Current |
| BS 845-2:1987 | Methods for assessing thermal performance of boilers for steam, hot water and high temperature heat transfer fluids. - Comprehensive procedure | Current |
| BS 4856-1:1972 | Methods for testing and rating fan coil units, unit heaters and unit coolers - Thermal and volumetric performance for heating duties; without additional ducting | Current |
| BS EN ISO 13706:2000 | Petroleum and natural gas industries. Air cooled heat exchangers | Withdrawn |
| BS EN ISO 16812:2003 | Petroleum and natural gas industries. Shell-and-tube heat exchangers | Withdrawn |
| BS EN ISO 13706:2005 | Petroleum, petrochemical and natural gas industries. Air-cooled heat exchangers | Withdrawn |
| BS EN ISO 13706:2011 | Petroleum, petrochemical and natural gas industries. Aircooled heat exchangers | Current |
| BS EN ISO 12212:2012 | Petroleum, petrochemical and natural gas industries. Hairpin-type heat exchangers | Current |
| BS EN ISO 15547-2:2005 | Petroleum, petrochemical and natural gas industries. Plate-type heat exchangers - Brazed aluminium plate-fin heat exchangers | Current |
| BS EN ISO 15547-1:2005 | Petroleum, petrochemical and natural gas industries. Plate-type heat exchangers - Plate-and-frame heat exchangers | Current |
| BS EN ISO 16812:2007 | Petroleum, petrochemical and natural gas industries. Shell-and-tube heat exchangers | Current |
| BS EN ISO 12211:2012 | Petroleum, petrochemical and natural gas industries. Spiral plate heat exchangers | Current |
| BS EN 50216-9:2009 | Power transformer and reactor fittings - Oil-to-water heat exchangers | Current |
| BS 2486:1978 | Recommendations for treatment of water for land boilers | Withdrawn |
| BS 2486:1997 | Recommendations for treatment of water for steam boilers and water heaters | Current |
| BS EN 12953-11:2003 | Shell boilers - Acceptance tests | Current |
| BS EN 12953-8:2001 | Shell boilers - Requirements for safeguards against excessive pressure | Current, Work in Hand |
| PD CR 12953-14:2002 | Shell boilers - Guideline for involvement of an inspection body independent the manufacturer | Current |
| BS EN 12953-1:2002 | Shell boilers - General | Withdrawn |
| BS EN 12953-2:2002 | Shell boilers - Materials for pressure parts of boilers and accessories | Withdrawn |
| BS EN 12953-3:2002 | Shell boilers - Design and calculation for pressure parts | Current, Work in Hand |
| BS EN 12953-4:2002 | Shell boilers - Workmanship and construction of pressure parts of the boiler | Current, Work in Hand |
| BS EN 12953-5:2002 | Shell boilers - Inspection during construction, documentation and marking of pressure parts of the boiler | Current, Work in Hand |
| BS EN 12953-6:2002 | Shell boilers - Requirements for equipment for the boiler | Withdrawn |
| BS EN 12953-7:2002 | Shell boilers - Requirements for firing systems for liquid and gaseous fuels for the boilers | Current |
| BS EN 12953-10:2003 | Shell boilers - Requirements for feedwater and boiler water quality | Current |
| BS EN 12953-12:2003 | Shell boilers - Requirements for grate firing systems for solid fuels for the boiler | Current |
| BS EN 12953-2:2012 | Shell boilers - Materials for pressure parts of boilers and accessories | Current |
| BS EN 12953-13:2012 | Shell boilers - Operating instructions | Current |
| BS EN 12953-1:2012 | Shell boilers - General | Current |
| BS EN 12953-9:2007 | Shell boilers - Requirements for limiting devices of the boiler and accessories | Current |
| BS EN 12953-6:2011 | Shell boilers - Requirements for equipment for the boiler | Current |
| BS 1894:1992 | Specification for design and manufacture of electric boilers of welded construction | Current |
| BS 2790:1992 | Specification for design and manufacture of shell boilers of welded construction | Current |
| BS 3606:1992 | Specification for steel tubes for heat exchangers | Withdrawn |
| DD 189:1990 | Specification for the safety of condensing boilers (2nd and 3rd family gases) | Withdrawn |
| BS 3274:1960 | Specification for tubular heat exchangers for general purposes | Withdrawn |
| BS 853-2:1996 | Specification for vessels for use in heating systems - Tubular heat exchangers and storage vessels for building and industrial services | Current |
| BS EN 14222:2003 | Stainless steel shell boilers | Current |
| PD CR 12952-17:2002 | Water boilers and auxiliary installations - Guidelines for the involvement of an inspection body independent of the manufacturer | Current |
| BS EN 12952-3:2011 | Water-tube boilers and auxiliary installations - Design and calculation for pressure parts of the boiler | Current |
| BS EN 12952-6:2011 | Water-tube boilers and auxiliary installations - Inspection during construction; documentation and marking of pressure parts of the boiler | Current |
| BS EN 12952-4:2011 | Water-tube boilers and auxiliary installations - In-service boiler life expectancy calculations | Current |
| BS EN 12952-5:2011 | Water-tube boilers and auxiliary installations - Workmanship and construction of pressure parts of the boiler | Current |
| BS EN 12952-2:2011 | Water-tube boilers and auxiliary installations - Materials for pressure parts of boilers and accessories | Current |
| BS EN 12952-13:2003 | Water-tube boilers and auxiliary installations - Requirements for flue gas cleaning systems | Current |
| BS EN 12952-4:2000 | Water-tube boilers and auxiliary installations - In-service boiler life expectancy calculations | Withdrawn |
| BS EN 12952-8:2002 | Water-tube boilers and auxiliary installations - Requirements for firing systems for liquid and gaseous fuels for the boiler | Current |
| BS EN 12952-9:2002 | Water-tube boilers and auxiliary installations - Requirements for firing systems for pulverized solid fuels for the boiler | Current |
| BS EN 12952-12:2003 | Water-tube boilers and auxiliary installations - Requirements for boiler feedwater and boiler water quality | Current |
| BS EN 12952-14:2004 | Water-tube boilers and auxiliary installations - Requirements for flue gas DENOX-systems using liquified pressurized ammonia and ammonia water solution | Current |
| BS EN 12952-16:2002 | Water-tube boilers and auxiliary installations - Requirements for grate and fluidized-bed firing systems for solid fuels for the boiler | Current |
| BS EN 12952-15:2003 | Water-tube boilers and auxiliary installations - Acceptance tests | Current |
| BS EN 12952-7:2012 | Water-tube boilers and auxiliary installations - Requirements for equipment for the boiler | Current |
| BS EN 12952-3:2001 | Water-tube boilers and auxiliary installations - Design and calculation of pressure parts | Withdrawn |
| BS EN 12952-5:2001 | Water-tube boilers and auxiliary installations - Workmanship and construction of pressure parts of the boiler | Withdrawn |
| BS EN 12952-6:2002 | Water-tube boilers and auxiliary installations - Inspection during construction. Documentation and marking of pressure parts of the boiler | Withdrawn |
| BS EN 12952-7:2002 | Water-tube boilers and auxiliary installations - Requirements for equipment for the boiler | Withdrawn |
| BS EN 12952-10:2002 | Water-tube boilers and auxiliary installations - Requirements for safeguards against excessive pressure | Current |
| BS EN 12952-11:2007 | Water-tube boilers and auxiliary installations - Requirements for limiting devices of the boiler and accessories | Current |
| BS EN 12952-1:2001 | Water-tube boilers and auxiliary installations - General | Current |
| BS EN 12952-2:2001 | Water-tube boilers and auxiliary installations - Materials for pressure parts of boilers and accessories | Withdrawn |