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  2. Energy Star - Wikipedia

    en.wikipedia.org/wiki/Energy_Star

    Energy Star qualified heat pumps, boilers, air conditioning systems, and furnaces are available. In addition, cooling and heating bills can be significantly lowered with air sealing and duct sealing. Air sealing reduces the outdoor air that penetrates a building, and duct sealing prevents attic or basement air from entering ducts and lessening ...

  3. Annual fuel utilization efficiency - Wikipedia

    en.wikipedia.org/wiki/Annual_fuel_utilization...

    The annual fuel utilization efficiency (AFUE; pronounced 'A'-'Few' or 'A'-'F'-'U'-'E') is a thermal efficiency measure of space-heating furnaces and boilers.The AFUE differs from the true 'thermal efficiency' in that it is not a steady-state, peak measure of conversion efficiency, but instead attempts to represent the actual, season-long, average efficiency of that piece of equipment ...

  4. HEPA - Wikipedia

    en.wikipedia.org/wiki/HEPA

    HEPA filters are designed to arrest very fine particles effectively, but they do not filter out gasses and odor molecules. Circumstances requiring filtration of volatile organic compounds, chemical vapors, or cigarette, pet or flatulence odors call for the use of an activated carbon (charcoal) or other type of filter instead of or in addition to a HEPA filter. [20]

  5. Big Three (credit rating agencies) - Wikipedia

    en.wikipedia.org/wiki/Big_Three_(credit_rating...

    In 2023, the Indian government's Chief Economic Advisor, V Anantha Nageswaran questioned India's sovereign credit rating of BBB- by S&P and Baaa3 by Moodys and called for a review of the big three's rating methods. [14] In January 2024, CareEdge Ratings issued its Sovereign Ratings Framework for public consultation. [15]

  6. Air filter - Wikipedia

    en.wikipedia.org/wiki/Air_filter

    Varying standards define what qualifies as a HEPA filter. The two most common standards require that an air filter must remove (from the air that passes through) 99.95% (European Standard) [4] or 99.97% (ASME standard) [5] of particles that have a size greater than or equal to 0.3 μm.

  7. N95 respirator - Wikipedia

    en.wikipedia.org/wiki/N95_respirator

    An N95 respirator is a disposable filtering facepiece respirator or reusable elastomeric respirator filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 standard of air filtration, filtering at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 micrometers under 42 CFR 84, effective July 10, 1995.

  8. The Fed could be on the verge of ripping up its rate script ...

    www.aol.com/finance/fed-could-verge-ripping-rate...

    But traders reacted to the new readings by boosting their bets for a Fed cut this week even higher, pushing the odds above 95%. And some don’t expect the Fed’s 2025 predictions to budge either.

  9. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    In addition, the 2001 revision to ANSI K13.1-1973 provides exclusive colors to be used for non-P100 cartridge filters, in two categories: oil-resistant (remaining R- and P- NIOSH ratings), and non-oil resistant (all N-ratings). [48] By definition, ANSI Z88.2-2015 considers N100, R100, P100, and HE as HEPA filters. [33]

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