Minimum Efficiency Reporting Value, commonly known as MERV, is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and...

Hypoallergenic vacuum cleaner – vacuum cleaner with high efficiency air filter Minimum efficiency reporting value – Measurement scale for the effectiveness of air...

and insufficient fresh-air intake or air filtration (see "Minimum efficiency reporting value"). Sick building syndrome has also been attributed to heating...

passes through the filter. MPR is different from MERV, the Minimum Efficiency Reporting Value. The MERV system measures a filter's ability to capture large...

Several efficiency metrics can be measured about heaters, such as the efficiency of heating a room with a given amount of power, the efficiency of the...

poorly, and some cabin air filter manufacturers do not print a minimum efficiency reporting value (MERV) filter rating on their cabin air filters.[citation...

well as a HEPA (high-efficiency particulate air), ULPA (ultra-low particulate air) or other MERV (minimum efficiency reporting value) filter. A motorized...

Air-Conditioning Engineers (ASHRAE) using a standard known as Minimum Efficiency Reporting Value (MERV). MERV is determined based on the size of particles...

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

drops to the cooling temperature setpoint, the airflow reaches a lower minimum value than that used in the "single maximum" sequence (10% - 20% vs. 30% -...

the UK, the Offices, Shops and Railway Premises Act 1963 provides for a minimum temperature in commercial premises, but not for a maximum temperature....

IEST-RP-CC034: HEPA and ULPA Filter Leak Tests. Minimum efficiency reporting value (MERV) High-efficiency particulate air (HEPA) Microparticle performance...

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

fuel use in kg/h GCV, gross calorific value in kcal/kg (e.g., pet coke 8200 kcal/kg) To measure the boiler efficiency in indirect method, parameter like...

value. Although often described as a "thermostatic" valve, an expansion valve is not able to regulate the evaporator's temperature to a precise value...

pace. Sometimes called "fan heaters," these are often cheap but lack in efficiency and versatility. Radiant space heaters transfer heat to directly to bodies...

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...

system: Outside air is drawn from a filtered air intake (Minimum Efficiency Reporting Value MERV 8+ air filter is recommended) to cool or preheat the...

technical standards to improve building services engineering, energy efficiency, indoor air quality, and sustainable development. ASHRAE was founded in...

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reduce its infrared conversion efficiency. With new untarnished reflectors, radiant tubes have a downward radiant efficiency of about 60%. (The other 40%...

temperature. The current industry minimum SEER rating is 14 SEER. Engineers have pointed out some areas where efficiency of the existing hardware could be...

centuries Merv (film), an upcoming American romantic comedy film Minimum efficiency reporting value (MERV), a measurement scale for the effectiveness of air filters...

zero, all processes cease and the entropy of the system approaches a minimum value. This law of thermodynamics is a statistical law of nature regarding...

the air, offsetting some of the fuel, and thereby improve the energy efficiency of the system as a whole. In many types of processes, combustion is used...

psychrometrics or psychrometry in Wiktionary, the free dictionary. Western Cooling Efficiency Center Psych: An Open Source Psychrometric Plug-in for Microsoft Excel...

may supply hot water in a heat recovery configuration without affecting efficiency, and switch to heating mode (heat pump) during winter without additional...

regulate internal body temperature, high humidity impairs heat exchange efficiency by reducing the rate of moisture evaporation from skin surfaces. This...

overcome the machining hurdles of radial compliance inherent to achieving efficiency in scroll operation that would not be adequately addressed until the works...

curve fans without scroll or "plug fans". These are driven using high efficiency EC (electronically commutated) motors with built in speed control. The...