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The British Electrotechnical Approvals Board (BEAB) was an electrical safety and certification organization in the UK, with the introduction of Harmonized European Standards meant that local certification of electrical products was no longer permitted. The BEAB Mark is now owned by Intertek Group.
A chilled beam is a type of radiation/convection HVAC system designed to heat and cool large buildings through the use of water. [1] This method removes most of the zone sensible local heat gains and allows the flow rate of pre-conditioned air from the air handling unit to be reduced, lowering by 60% to 80% the ducted design airflow rate and the equipment capacity requirements.
The Lasko Heating Space Heater is as compact as portable heaters come. This small size makes it a great option for placing on or near your desk as you work. It comes fully assembled and ready to ...
New York City law regulates the safety of space heaters. Space heaters for sale in the city must have a thermostat to control temperature, an automatic shut-off feature if the heater tips over or overheats, and must be certified and labeled by a nationally approved organization or laboratory. [15]
Due to their high boiling points, mineral oils are used in portable electric radiator-style space heaters in residential applications, and in closed-loop systems for industrial process heating and cooling. Mineral oil is often used in submerged PC systems as it is non-conductive and therefore won't short circuit or damage any parts.
Radiators and convectors are heat exchangers designed to transfer thermal energy from one medium to another for the purpose of space heating. Denison Olmsted of New Haven, Connecticut, appears to have been the earliest person to use the term 'radiator' to mean a heating appliance in an 1834 patent for a stove with a heat exchanger which then ...