A high efficiency glandless circulating pump is a component of a heating and air conditioning system that allows the system to perform with increased efficiency...

(/ˈhɛpə/, high-efficiency particulate air) filter, also known as high-efficiency particulate absorbing filter[citation needed] and high-efficiency particulate...

heaters. Because of their high efficiency and the increasing share of fossil-free sources in electrical grids, heat pumps are playing a key role in climate...

pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. A heat pump...

or gas to heat). By contrast, an electric heat pump used for home heating typically has an efficiency well above 100%, expressed as its coefficient of...

A scroll compressor (also called spiral compressor, scroll pump and scroll vacuum pump) is a device for compressing air or refrigerant. It is used in...

for sites which have limited space and can offer high energy efficiency levels. These units feature high quality components including scroll and screw compressors...

Ground source heat pump Heat exchanger Heat pipe Heat pump Heating film Heating system HEPA High efficiency glandless circulating pump High-pressure cut-off...

other heating systems. The efficiency of a heating system is typically measured by its AFUE (Annual Fuel Utilization Efficiency) rating. Higher AFUE ratings...

reducing pump energy consumption. It is possible to recover some of this energy in the form of heat given off by the motor if a glandless pump is used...

exchange, based on natural convection, which circulates a fluid without the necessity of a mechanical pump. Thermosiphoning is used for circulation of...

operated in the correct circumstances, a heating system can achieve high efficiency (greater than 90% on the higher heating value) by condensing water...

working fluid increases the thermal efficiency of the solar panel but decreases the performance of the heat pump, and consequently the COP. The target...

Ahn GR, Son SY, et al. (2014). "Mold Occurring on the Air Cleaner High-Efficiency Particulate Air Filters Used in the Houses of Child Patients with Atopic...

electromagnetic pump to compress a working gas, pentane. Although the refrigerator was not a commercial success, the Einstein–Szilard pump was later used...

A condensate pump is a specific type of pump used to pump the condensate (water) produced in an HVAC (heating or cooling), refrigeration, condensing boiler...

An air source heat pump (ASHP) is a heat pump that can absorb heat from air outside a building and release it inside; it uses the same vapor-compression...

air filters in more detail than other ratings. For example, often a high-efficiency particulate air (HEPA) filter is impractical in residential central...

A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from...

ambient temperatures with a high dew point temperature. In cold climates, the process is less effective. Highest efficiency is reached above 20 °C (68 °F)...

pressure-controlled valve. A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible...

in a heat recovery configuration without affecting efficiency, and switch to heating mode (heat pump) during winter without additional equipment, all of...

energy for phase transition from liquid to vapour. Within evaporators, a circulating liquid is exposed to an atmospheric or reduced pressure environment causing...

evaporative surface area Can be installed in hard water situations Maintains efficiency throughout lifespans Disadvantages include: Higher price Water evaporation...

for people designing HVAC systems is the efficiency, i.e., the consumption of electricity and water. Efficiency is optimised by changing the design of the...

incompatible metals (aluminum, cast iron, copper, brass, solder, etc.). Water pump seal lubricant is also added. Antifreeze was developed to overcome the shortcomings...

108.070604. PMID 22401189. S2CID 6981288. Absorption Heat Pumps (Office of Energy Efficiency and Renewable Energy). Arizona Energy Explanation with diagrams...

ambiance they create and for heating a room. Modern fireplaces vary in heat efficiency, depending on the design. Historically, they were used for heating a dwelling...

recommendation regarding risk of exposure to high indoor temperatures is only "conditional". Minimal-risk high temperatures range from about 21 to 30 °C...

and cheaper to keep warm in the winter, or cool in the summer. Energy efficiency will lead to a reduced carbon footprint. more comfortable because there...