Physics Tutorials - YouTube
Scientific systems of units are a refinement of the concept of weights and measures developed long ago for commercial purposes Solar System. by later defined one standard atmosphere to equal precisely 1013250dynes per square centimeter (101.325 kPa). In 1743, the Lyonnais physicist ... View Video
New Jersey Clean Energy Collaborative
Square Feet of Window Area X Savings per Square Foot. Prescriptive Lighting for Commercial Customers. (Btu/hr-watt) 1000 = Conversion from watts to kW (W/kW). ΔkWh = gross customer annual kWh savings for the measure (kWh) ... Get Document
2008 C&I Activity (Mid-Year Presentation)
In the Baseline Building, model in-unit lighting based on 1.1 Watts per square feet. That supplemental lighting must be calculated as 1.1 Watts per square foot. The capacity used in the equation can only be a value between 7,000 and 15,000 BTU per hour. ... Return Doc
Northwest ENERGY STAR Homes Program Requirements For Gas And ...
Gas commercial tank water heaters may be used if they have standby losses that do not exceed the following OR use any efficient light source and lighting design to reach 0.59 Watts per square foot, The Watts per Square Foot Tool must be submitted at time of verification ... Read Full Source
Other Load Reductions Overview
An average adult will generate 400 to 600 Btu of heat per hour. (cfm per square foot) into a single calculation for the required minimum ventilation rate. space without absorbing much solar heat. Lighting in parts of the space away from the window ... Return Document
Load Calculations- Deviations From Expectations
Example Attic Calculation. Consider a 2400 square foot attic, 10 The incident solar radiation intensity perpendicular to the sun’s rays is on the order of 300 Btu/h per square foot. For tilted surfaces even considering 5 CFLs in use would reduce internal loads by over 200 Watts (800 ... Fetch Content
Northwest ENERGY STAR Homes
Gas commercial tank CFLs or pin-based lighting in 100% of fixtures9 OR use any efficient light source and lighting design to reach 0.6 Watts per square foot while facing within 45 degrees of true South and directly coupled to thermal storage mass that has a heat capacity > 20 btu per ... Read More
PA Solar - Syreen
The solar array and mounting rack will add approximately 3 pounds per square foot of dead load to the Integral collector-storage systems Residential and commercial building applications that require temperatures below 200 F typically Btu/Day. Btu/ft². ACR Solar International Corp. ... Visit Document
Commercial Energy Codes Build A Better Bottom Line
Commercial Energy Codes Build a Better Bottom Line perform a lighting calculation in order to provide adequate lighting 10,000-square foot building located in Jackson, MS (Climate Zone 3). This building is constructed with a ... Doc Viewer
Northwest ENERGY STAR Homes NWBOP2 MF Program Requirements ...
Gas commercial tank water heaters may be used if they have standby losses that do not exceed the following OR use any efficient light source and lighting design to reach 0.59 Watts per square foot, The Watts per Square Foot Tool must be submitted at time of verification ... Read Here
New Jersey Clean Energy Collaborative
OFwatts = Average delta watts per purchased Energy Star Outdoor Fixture. the per square foot estimates in the protocols will be multiplied by the number of square feet of window area. Prescriptive Lighting for Commercial Customers. ... Content Retrieval
Heat Load Calculations For Refrigerated Spaces
Equivalent Heat per Person 34,178 Btu/24-hr Lighting Load 1 Watts/ft2 3,685,111 BTU/day Square Foot per Ton of Refrigeration 436 ft2/Ton Transmission Load ====> 2,872,800 BTU/24-hr FLOOR CALCULATION Description Floor Units ... Read Document
IECC Envelope Provisions
(Commercial buildings) Section 502 35 pounds per square foot (170 kg/m 2) of wall surface area or (2) 25 pounds per square foot > 240,000 Btu/h 25% For SI: 1 Btu/h = 0.29 watts. 502.4.5 Outdoor air intakes and exhaust openings. ... Read Content
E SM NERGY TAR Stage Three Other Load Reductions
Other sources (cfm per square foot) into a single calculation for the required Assuming gas costs $0.80 per therm and contains 100,000 Btu/ therm, with a heating efficiency of ing much solar heat. Lighting in parts ... Retrieve Content
FINAL AOBA Comments On 12 DCMR I - 2013 Energy Conservation ...
C402.2.1.1 Roof solar reflectance and thermal emittance. pounds per square foot (psf) (74 kg/m 2) or 23 psf (117 kg/m 2) pavers. fixtures. When properly designed and installed, the proposed reduction in watts/square foot should be imperceptible to the eye, but ... View Doc
FUS-0435*; P-00981628.O; Citizens Tel. Co. Of New York
Active Solar None Ceiling Insulation U=0.031 (1) For existing commercial lighting, WSFbase = the baseline lighting watts per square foot or linear foot. ... Visit Document
EXPRESS TERMS
BTU/HOUR. British thermal units per hour, SRI values used to comply with this section shall be calculated using the Solar Reflective Index (SRI) Calculation Worksheet (watts/ft2) Lighting Power Design Target (watts/ft2) Water ... Access Doc
Solar Panel - Wikipedia, The Free Encyclopedia
A solar panel is a set of solar photovoltaic modules electrically connected and mounted on a supporting structure. A photovoltaic module is a packaged, connected assembly of solar cells. The solar module can be used as a component of a larger photovoltaic system to generate and supply ... Read Article
For this calculation, all factors including solar and internal load shall be the same as those used for peak load calculations, Values are in Watts per square foot of conditioned floor area. Figures in parenthesis are equivalent Btu per hour per square foot. ... View Document
Solar Thermal Collector - Wikipedia, The Free Encyclopedia
A solar thermal collector collects heat by absorbing sunlight. A collector is a device for capturing solar radiation. Solar radiation is energy in the form of electromagnetic radiation from the infrared (long) to the ultraviolet (short) wavelengths. The quantity of solar energy striking the ... Read Article
CHAPTER 5
Lighting consumed 31% of commercial building energy while energy requirement to less than 50,000 BTUs per square foot each year while a Factor 10 building would use just10,000 BTU’s per square foot An estimated one million residential and 200,000 commercial solar water-heating ... Fetch Doc
SECTION 13-100
1 BTU per minute = 17.6 watts. equal to 1,000 Watts. INTERIOR LIGHTING POWER. The power in watts of all permanently installed general, task, and furniture lighting systems and 35 pounds per square foot (170 kg/m2) of floor surface area or (2) 25 pounds per square foot (120 kg ... Fetch Full Source
Montana & Idaho Program Requirements1
≤ 60 gal 0.61 Gas commercial tank water heaters may be used if they have standby losses that do not exceed OR use any efficient light source and lighting design to reach 0.72 Watts per square foot.9 and not a series-parallel path calculation method. Additionally, ... Fetch Document
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