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The Energy Technology List features 62 different technology categories. Search the list, or click the technology groups below to find out more about each technology.

Technology Groups

Click through to read the product descriptions for each technology and browse products on the ETL. Find the Energy Techology Criteria List 2021 here.

Boiler equipment

A wide variety of boiler equipment is listed on the ETL including hot water boilers, biomass boilers and steam boiler equipment.

Boiler retrofit equipment

A wide variety of boiler retrofit equipment is listed on the ETL including burners with controls, condensing economisers and non-condensing economisers.

Combined heat and power (CHP)

CHP is the simultaneous generation of heat and power. CHP schemes are bespoke by their nature.

Compressed air equipment

Compressed air equipment on the ETL includes master controllers, refrigerated air dryers, desiccant air dryers and flow controllers.

Energy Monitoring

Equipment includes portable energy monitoring equipment and automatic monitoring & targeting sub-metering systems.

The Energy storage category on the ETL includes battery and thermal energy storage for commercial and industrial applications.

Two types of electric hands dryers are covered: high speed warm air dryers and high speed ambient air dryers. Conventional warm air dryers are not covered.

Heat pumps eligible for ETL are air source heat pumps, water source heat pumps, ground source heat pumps and heat pump dehumidifiers.

Heat recovery ventilation units

This category features plate heat exchangers and rotating heat exchangers.

Heating, ventilation and air-conditioning (HVAC) equipment

Equipment such as HVAC building controls, active chilled beams, close control air conditioning and evaporative air coolers are listed.

White LED lighting modules for backlit illuminated signs and efficient white lighting units are ‘listed’ technologies. While lighting controls is an ‘unlisted’ technology.

Motors, Drives & Fans

Motors and drives available on the ETL are line operated motors, variable speed drives and converter-fed motors.

Pipework, Tank & Vessel Insulation

Pipework, Tank & Vessel insulation reduces the flow of heat in and out of pipes, tanks or vessels.

Professional Foodservice Equipment

This new category represents equipment used in the preparation of food in the professional foodservice industry. Eligible equipment for the ETL are combination steam ovens, convection ovens, undercounter dishwashers and hood-type dishwashers.

Radiant and warm air heaters

Warm air heating, designed to provide space heating, and radiant heating, designed to heat people or objects, are both listed on the ETL.

Refrigeration equipment

A variety of products in both industrial and commercial refrigeration categories are listed on the ETL

Solar thermal collectors

Solar thermal collectors eligible for the ETL are glazed flat plate solar collector and evacuated tube solar collectors.

Uninterruptible power supply (UPS)

UPS products on the ETL include: static UPS, rotary UPS and hybrid rotary UPS

Waste heat to electricity conversion equipment

Processes that use energy and produce heat as a byproduct can utilise this to convert into energy.

Wastewater heat recovery systems

Wastewater heat recovery systems cover heat recovery technology that is specifically designed to use residual heat from drained wastewater via an instantaneous heat exchange to pre-heat incoming mains water.

UNICLASS codes

BEIS has worked with NBS to map the ETL product categories within the 56 technologies against the UNICLASS 2015 codes.

UNICLASS 2015 is a classification structure used to identify and manage aspects such as information, components, products and services throughout the lifecycle of a building asset. UNICLASS 2015 is managed and delivered by NBS and the use of the classification structure is a requirement for BIM Projects, as set out by the BS EN ISO 19650 series of standards. For more information on Uniclass see: https://www.thenbs.com/our-tools/uniclass-2015

Download list of uniclass codes here.

Integrate the ETL into your procurement systems with the ETL API

The ETL API lets your development team add the ability to find energy efficient, ETL-listed products to your own systems. All of the data available on the ETL product search service is available via the ETL API, including technical information, product images and the ability to search and filter products. It's free to use.

Learn more about the ETL API