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2. British thermal unit - Wikipedia

   en.wikipedia.org/wiki/British_thermal_unit

   In the United States and Canada, the R-value that describes the performance of thermal insulation is typically quoted in square foot degree Fahrenheit hours per British thermal unit (ft 2 ⋅°F⋅h/Btu). For one square foot of the insulation, one Btu per hour of heat flows across the insulator for each degree of temperature difference across it.

3. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   A 46 kW (157,000 BTU/h) heater, as might exist in a tankless heater, would take about 15 minutes to do this. At $1 per therm , the cost of the gas would be about 40 cents. In comparison, a typical 230 L (60 US gal) tank electric water heater has a 4.5 kW (15,000 BTU/h) heating element, which at 100% efficient results in a heating time of about ...

4. Determining Ideal BTUs Per Square Foot for AC Units settings

   www.aol.com/determining-ideal-btus-per-square...

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5. Passive house - Wikipedia

   en.wikipedia.org/wiki/Passive_house

   Use up to 60 kWh/m 2 (19,020 BTU/sq ft; 20.07 MJ/sq ft) of floor area per year primary energy (for heating, hot water and electricity). Leak air up to 0.6 times the house volume per hour ( n 50 ≤ 0.6 / hour) at 50 Pa (0.0073 psi) as tested by a blower door ; or up to 0.05 cubic feet per minute (1.4 L/min) per square foot of the surface area ...

6. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   30 kW resistance heating coils This radiant heater uses tungsten halogen lamps. Electric heating is a process in which electrical energy is converted directly to heat energy. Common applications include space heating, cooking, water heating and industrial processes. An electric heater is an electrical device that converts an electric current ...

7. Daikin - Wikipedia

   en.wikipedia.org/wiki/Daikin

   On April 28, 2024, Daikin Philippines President Takayoshi Miki hosted Daikin's first fun run, “Daikin: Run for Clean Air 2024” at Bridgetowne with 800 runners. [27] On May 21, 2024, Daikin Industries, led by President & CEO, Masanori Togawa with Chief global group officer and board chair, Noriyuk Inhoue, celebrated its centennial founding with a commemorative ceremony attended by 2,000 at ...