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2. ASHRAE 90.1 - Wikipedia

   en.wikipedia.org/wiki/ASHRAE_90.1

   The proposed energy cost budget must be less than or equal to the baseline energy cost budget to achieve compliance. The performance approach is also used to demonstrate design energy efficiency, often expressed as percent better than ASHRAE Standard 90.1. Building designs will stated their performance as "40% better than ASHRAE 90.1-2007" or ...

3. Lighting power density - Wikipedia

   en.wikipedia.org/wiki/Lighting_power_density

   Space By Space Method. A defined list of many possible space types within a building the associated watts per square foot allowance. For example, ANSI/ASHRAE/IESNA Standard 90.1-2007 allows the Emergency Space of a hospital to be designed for 2.7 watts per square foot, but the Recovery areas of a hospital would be allowed 0.8 watts per square foot.

4. Cooling load temperature difference calculation method

   en.wikipedia.org/wiki/Cooling_load_temperature...

   The first of the cooling load factors used in this method is the CLTD, or the Cooling Load Temperature Difference. This factor is used to represent the temperature difference between indoor and outdoor air with the inclusion of the heating effects of solar radiation. [1] [5] The second factor is the CLF, or the cooling load factor.

5. Dedicated outdoor air system - Wikipedia

   en.wikipedia.org/wiki/Dedicated_outdoor_air_system

   For example, a space requiring 5663 standard litre per minute (SLPM) (200 standard cubic feet per minute (SCFM)) of ventilation air and served with supply air that is 40% ventilation air, will require a box minimum setting of 14158 SLPM (500 SCFM) (i.e. 200/0.4) rather than the conventional practice of 5663 SLPM (200 SCFM). When the box ...

6. The best air purifiers of 2025 - AOL

   www.aol.com/lifestyle/best-air-purifiers...

   For large rooms up to 1,881 square feet – such as a family ... Our air quality meter recorded the Gen1 transformed a small room’s air quality from 204 micrograms per cubic meter of PM2.5 to 23 ...

7. Fixed Expenses vs. Variable Expenses: What’s the Difference?

   www.aol.com/fixed-expenses-vs-variable-expenses...

   Here's a comparison of fixed expenses vs. variable expenses to help you budget efficiently. ... For You: How To Get $340 Per Year in Cash Back on Gas and Other Things You Already Buy.