Watt - Wikipedia, The Free Encyclopedia
The watt (symbol: W) is a derived unit of power in the International System of Units (SI), named after the Scottish engineer James Watt (1736–1819). The unit, defined as one joule per second, measures the rate of energy conversion or transfer. Contents 1 Definition 2 Examples 3 Origin and ... Read Article
LIGHTING DESIGN And TIPS FOR ECBC COMPLIANCE
Because up to 70 percent of the usable space and installed lighting capacity of many commercial Assumes luminous efficacies of 17.5 lumens per shading coefficient (SC) = 0.90, solar heat gain coefficient (SHGC) = 0.78, and relative heat gain = 188 Btu per hour per square foot (Btu/h ... View Full Source
User:The Cunctator/ACES Drafts - Wikipedia, The Free Encyclopedia
Sec. 205. Tree planting programs. Sec. 206. Energy efficiency for data center buildings. Subtitle B—Lighting and Appliance Energy Efficiency standards at least as strict as those standards required under electricity credits per megawatt hour issued under this ... Read Article
Saving Energy Municipal Buildings And More
A Btu is the amount of energy required to raise the temperature of one pound of water 1 degree Fahrenheit. How much energy is in…. Energy Source. Energy Content (Btu) Notes. Sunlight. 200 Btu. per hour per square foot: Wind. 75 Btu: per hour per square foot of wind turbine swept lumens [as ... Retrieve Content
Efficient Motors
From Impact Evaluation of Orange & Rockland’s Small Commercial Lighting Program, 1993. O&R hours for Elemen./Second. “High-Performance” or “Super” T8 lamp/ballast systems have higher lumens per watt than standard T8 WSFbase = the baseline lighting watts per square foot or ... Content Retrieval
Texas Department Of Licensing And Regulation
Recessed lighting fixtures gasketed and IC rated or spaces that use less than -0.6 watts per square foot – reference 805.2.2.1. Photocell/astronomical time switch on exterior lights. Exception – large and parking areas has a source efficacy of 45 lumens per watt or greater ... Doc Viewer
Www.energystar.gov
Lumens per Fixture Total Installed Energy Usage per Square Foot of Conditioned Area Performance rating is shown in Red Font A 13 Watt wall sconce in a bedroom can light at most 26 square feet and should not be modeled as lighting the entire space.) Site BTU Savings, % Watts W/SF, per ... Get Content Here
FUS-0435*; P-00981628.O; Citizens Tel. Co. Of New York
(Capyt X EFLHHT)/100,000 BTU/therm) X HFS. Cooling Energy (kWh) Savings = CFS. WSFbase = the baseline lighting watts per square foot or linear foot. The date by which commercial operation is expected. The required application information is the minimum requirement for submitting a ... Retrieve Here
Appendices 7. Glossary And Symbols 7.1.
7-2 skylighting guidelines Footcandle (fc):One footcandle equals one lumen per square foot (or the illuminance produced on a surface all points of which are one foot from a directionally uniform ... Access Full Source
Why Are Buildings So Important? - Iowa Energy Center
Personnel Costs can be $300 to $500 per Square Foot per Year Personnel Costs are 300 to 400 times as much per Square Foot as the energy required to provide for light, comfort and office equipment power High Performance Buildings 100+ Lumens per Watt systems available ... Read Content
Building Energy Codes Program Commercial Program Review
2012 IECC Commercial Electrical Power and Lighting source efficacy of at least 60 lumens per watt Exterior Building Grounds Lighting C405.6.1 level lighting controls are required: general lighting in daylight zone to be separately controlled by at least one ... Access Doc
PowerPoint Presentation
Examples of efficacy ratings are lumens per watt for lighting or kilowatts per ton for chillers or air Measurement of how efficiently all residential and some commercial heat pumps operate in their heating mode over The EUI units are generally expressed as Btu per square foot per ... View This Document
CHAPTER 5
Lighting consumed 31% of commercial building energy while heating accounted for 22% and 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 annually (lumens per watt) is higher with smaller ... Doc Retrieval
Code Administration
Buildings where the design rate is less than 1Watt/square foot. 60 lumens per watt for lamps over 40 watts, Commercial building lighting controls: Checking code compliance: the role of the code official. ... Read Document
Good Energy: Energy Saved By Efficient Buildings
45 lumens/ Watt Fluorescent Compact fluorescent Metal halide http://www.energycodes.gov/training/commercial_training.stm Energy FYI units used would be BTU/ FT2 x oF Discuss Glazing, but Opaque requirements E.g. lighting- list allowable watts per square foot. Lighting ... Read Full Source
Carroll Coolers
Does not exceed 0.12 BTU per hour, per square foot, per degree F, per inch. Overall coefficient of heat transfer (U-factor) is not commercial refrigeration demands. Yukon™ is offered with 3 normal temp), This reliable lighting system delivers over 1100 lumens to your merchandise so ... Return Document
Presentation Title - Questline
Most commercial HVAC units have multiple coilsstacked or sandwiched together. Lumens per Watt; CRI; Lumen Maintenance; LED. 50,000. 25-80. 70-90. 95-98%* Incandescent. 750-1,500. 10-17. 100. 95%. 1,000 Btu per panel square foot per day. Reduce evaporation losses. ... Read Full Source
BIDDING DOCUMENTS
A ton of refrigeration is best described as 12,000 BTU per hour and the amount of heat necessary to melt a ton of ice over a 24-hour period. in lumens. The lighting level on a given plane, where one foot candle is equal to one lumens per square foot. ... Content Retrieval
TriLyte Nordik - Philips Lighting Luminaires
BTU production translating in additional energy cost savings. • High lumens per watt output well distributed in the downward plane given space, and the Lighting Concept Centre, a 7,500 square foot demonstration facility ... Get Doc
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