Btu hr to therm

    • [DOC File]GUIDE SPECIFICATIONS - SECTION 08520

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      Whole window U-Value based on NFRC 100 test sizes and calculated by using NFRC approved versions of Windows and Therm software. Thermal transmittance (U-Value) shall not exceed ____ BTU/hr/sf/degF. (Specify) E. Solar Heat Gain (SHGC): 1. Whole window SHGC Value based on NFRC 200 test sizes and calculated by using NFRC approved versions of ...

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    • [DOC File]GUIDE SPECIFICATIONS - SECTION 08520

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      1. Whole window U-Value based on NFRC 100 test sizes and calculated by using NFRC approved versions of Windows and Therm software. Thermal transmittance (U-Value) shall not exceed 0.42 BTU/hr/sf/degF for projected vents and casements, or 0.29 BTU/hr/sf/degF for fixed windows when calculated using a COG glass U-value of .25 BTU/hr/sf/degF.

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    • [DOC File]GENERAL GUIDE SPECIFICATION - Wausau Window

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      Perform thermal tests in accordance with NFRC 102 and/or AAMA 1503, or provide finite element computer thermal modeling and calculations per NFRC 100, NFRC 705 or AAMA 507, using DOE/LBL THERM, WINDOW, and/or CMAST software. Thermal Transmittance (U-Factor) for the overall window area shall be less than or equal to _____ BTU/hr-ft2-(F.

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    • [DOCX File]Ballot Title Page

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      Sep 25, 2019 · Btu/ hr • ft • F. Btu • in/hr ... 3These properties are not typically included in the THERM Materials Library. 4. Densities shown are nominal values. Densities of actual materials may vary and do not need to be verified by NFRC Certified Simulators. 5 . Numbers listed in this column refer to documents listed in Section 11.2.

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    • [DOC File]MICA Spec FlexTherm Thermal Insulation Spec Guide for ...

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      Shall have a maximum thermal k factor of 0.28 BTU – in./hr. – sqft. – deg F (0.04W/mK) when tested according to ASTM C177 or C518 at 75°F (24°C) mean temperature. Shall have a water vapor transmission rate of 0.10 perm – inch or less when tested according to ASTM E96 (dry cup method).

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    • [DOC File]California State University, Northridge

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      The unit costs of electricity and natural gas are $0.092/kWh and $1.42/therm (1 therm = 105 Btu = 105,505.6 kJ). Determine which system will have a lower energy cost. The cost of each fuel can be compared for an equivalent amount of energy delivered to the house. With the furnace, 97% of the energy in the natural gas will be delivered to the house.

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    • [DOC File]CHAPTER 2

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      (6) Therm is one-hundred thousand (100,000) Btu of. energy. Natural gas contains approximately 1,000. Btu per cubic foot. Therefore, a therm of natural. gas is usually equivalent to about 100 cubic feet. Any gas heating value can be obtained by asking the. utility supplier. 2-3. WATER CONSUMPTIONS. a. The quantity of water used in dwelling ...

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    • [DOC File]EXPRESS Gas Measure Workpapers

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      Sep 05, 2011 · Preheat Time (min) 15 15 Preheat Energy (Btu) 16,000 15,500 Idle Energy Rate (Btu/hr) 14,000 9,000 Cooking-Energy Efficiency (%) 35% 50% Production Capacity (lb/hr) 60 65 Operating Hours/Day 16 16 Operating Days/Year 365 365 Pounds of Food Cooked per Day 150 150 Gas Cost ($/therm) $1.00 $1.00 ASTM Energy to Food (Btu/lb) 570 570 Daily Energy ...

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    • [DOC File]GUIDE SPECIFICATIONS - SECTION 08520

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      The NFRC certified whole window U-Value based on NFRC 100 test sizes and calculated by using Windows 5.2 and Therm 5.2 software (or newer version), shall not exceed 0.32 BTU/hr/sf/degF. All values submitted for comparison shall be calculated using manufacturers standard two pane insulated glass unit with center of glass U-value of .25 BTU/hr/sf ...

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    • [DOC File]Water Heater Replacement in the Weatherization Assistance ...

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      Table 7 ( Typical Water Heater Input Power Ratings Fuel Type Burner/Element Input (Pon) Natural Gas or Propane 40,000 Btu/h Electric Resistance 4.5 kW Oil 95,000 Btu/h Fuel Switching NEAT and the attached spreadsheet tool can be used to evaluate the cost-effectiveness of replacing an existing water heater with one that uses a different fuel type.

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