Btu per square foot
[DOC File]K-FLEX USA
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Energy calculations were based on thickness recommendations which would typically achieve between 20 – 40 BTU loss per hour per square foot. These may not reflect actual conditions and should be verified for each application. ASHRAE 90.1-2010 and most state and local codes determine thickness recommendations (min. R value) based on climate ...
[DOC File]CHAPTER 5:
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Using the R-values of Table 5.2, how many Btu per hour per square foot will be lost through the wall when the outside temperature is 50°F colder than the inside? 16. Heat loss through windows is substantial. What percentage savings will be gained by covering a double-pane window with 2-in. sheet of rigid polystyrene board?
[DOCX File]ARCAT | Free Building Product CAD Details, BIM, Specs and more
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Weight: 0.55 pounds per square foot (2.69 kg per square meter). Minimum Radius for Cold Bent Arches: 9 feet 2 inches (2.8 meters). U-Factor, Winter Night: 0.41 Btu per hour-square feet-degree F (2.33 Watt per square meter-degree K). Color: Ice; 32 percent light transmission.
[DOCX File]END OF SECTION - University of Houston
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The heat loss of the insulated tank shall not exceed 14 Btu/hr. per square foot of tank surface area at an ambient temperature of 65°F. The entire water heater shall rest on galvanized or baked enamel protected channel iron skids. Option A - Nickel Lined Tank: The nickel lined (plated) tank shall be constructed in accordance with ASME Code ...
[DOC File]Oakland University
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Figure 5 Monthly Natural Gas Unit Price in Dollars per Million BTU 12. Figure A1 Main campus natural gas consumption in BTU per square foot, shown with heating degree days (HDD) 13. Figure A2 Main campus electrical consumption per square foot, shown with cooling degree days (CDD) 13. Figure A3 Main campus monthly electrical cost and consumption 14
[DOCX File]Section 23 07 11 - HVAC AND PLUMBING INSULATION
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For cold equipment: Apply meshed glass fabric in a tack coat 1.5 to 1.7 square meter per liter (60 to 70 square feet per gallon) of vapor mastic and finish with mastic at 0.3 to 0.4 square meter per liter (12 to 16 square feet per gallon) over the entire fabric surface.
[DOC File]Activity 2.2.3 Heat Loss and Gain
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Surface R-Value U-Factor Area ΔT Transmission Load 1/R Square Feet Degrees F Btu/Hour West Wall 14.13 .070 128 61 Transmission Load. Calculating Heat Loss/Gain: To calculate heat loss (or gain), the following formula will be used:, where. Q' is the heat loss in Btus per hour (Btu/H) U is the reciprocal of the R-Value,
[DOCX File]Section 23 07 11 - HVAC, PLUMBING, AND BOILER PLANT INSULATION
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11.Thermal Conductivity (k): Watt per meter, per degree C (BTU per inch thickness, per hour, per square foot, per degree F temperature difference). 12.Vapor Retarder (Vapor Barrier): A material which retards the transmission (migration) of water vapor.
[DOCX File]Department of Energy
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In such cases, agencies will receive credit toward the Btu-per-gross-square-foot performance requirements of NECPA (42 U.S.C. 8253). The reason for the credit is to not penalize agencies under the site energy based performance metric for implementing cost-effective projects where source energy decreases but site-delivered energy increases ...
[DOC File]Energy Analyst Report Format - Oregon
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Btu per square foot per year Energy Cost Index (ECI) $ per square foot per year Electricity cost per kWh: Natural gas cost per therm: Table 5-1 Instructions. Using the results from the SEED energy model, list the energy use by fuel type and total cost for each end use category.
[DOCX File]Energy.gov
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In such cases, agencies will receive credit toward the Btu-per-gross-square-foot performance requirements of NECPA (42 U.S.C. 8253). The reason for the credit is to not penalize agencies under the site energy based performance metric for implementing cost-effective projects where source energy decreases but site-delivered energy increases ...
[DOC File]ENERGY CALCULATIONS
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• 100,000 BTU’s of heat per square foot are required to heat the house for the winter • Natural gas sells for $5.00 per thousand cubic feet • One cubic foot of natural gas supplies 1000 BTU’s of heat energy • 1 kilowatt-hour of electricity supplies 10,000 BTU’s of heat energy • Electricity costs $50 per 500 kWh . a.
[DOCX File]K-FLEX USA
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Typically expressed in units of Btu-inch / hour per square foot per degree F. The lower the K-value, the higher the insulating value. Water Vapor Transmission Rate: The steady water vapor flow in unit time through unit area of a body, normal to specific parallel surfaces, under specific conditions of temperature and humidity at each surface.
[DOC File]CHAPTER 2
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at 25 Btu per square foot per hour of floor area. (2) Design ton means the design heat gain divided by. 12,000 Btu/hr. (3) Equivalent Full Load Hours (EFLH) means the number. of hours, usually expressed for a cooling season, that the compressor or absorption unit must operate. at full load under design conditions to satisfy the. annual cooling ...
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