Efficient Motors
From Impact Evaluation of Orange & Rockland’s Small Commercial Lighting Program, 1993. O&R hours for “High-Performance” or “Super” T8 lamp/ballast systems have higher lumens per watt than standard T8 WSFeffic = the actual installed lighting watts per square foot or linear ... Content Retrieval
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 ... Get Document
FUS-0435*; P-00981628.O; Citizens Tel. Co. Of New York
Heating Energy (kWh) Savings = ((Capyt X EFLHHT)/100,000 BTU/therm) X HFS. Cooling WSFeffic = the actual installed 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 ... View Doc
How Much Electricity Does A Light Bulb Use And What Will It ...
Through most types of commercial energy generation could add The many measures used in discussing energy, power and heat are all related and are not that complicated when you take a close of alternating current are triangular and square waves. The magnitude of alternating current ... Retrieve Doc
Energy Star 20th Anniversary Update - US Environmental ...
Required to use Portfolio Manager • All b ildi 50 000 f tAll buildings over 50,000 square feet • Annually submit energy and water consumption using EPA’s Portfolio Manager Million Btu Source Energy per ton of Clinker ... Document Retrieval
Foot-candle - Wikipedia, The Free Encyclopedia
Thus one foot-candle is equal to one lumen per square foot or approximately 10.764 lux In In the lighting industry, footcandles are a common unit of measurement used to calculate adequate lighting levels of workspaces in buildings or outdoor spaces. ... Read Article
Equipment Efficiency Guide
Architectural ≥ 1,000 lumens $100 $40 Exterior Lighting Requirements Btu/Hour Tons Eligibility Requirements Minimum Efficiency SEER / EER / IEER and VFD installations required by the Vermont Commercial Energy Code. ... Doc Viewer
Www.energystar.gov
Lumens per Fixture Total Installed Energy Usage per Square Foot of Conditioned Area Btu/SqFt Under Ground Garage Above Ground Garage Parking Lot Gas Energy and lighting, as per the EPA Multifamily High Rise Program Simulation Guidelines, published November 2009. 4) ... Access Doc
Controlling The Greenhouse Environment
Fluorescent lighting is rarely used in commercial capable of (192 x 360 Btu/sq. ft.) 69,120 Btu/hr. If you feet of air volume per minute, per square foot of floor area, gives an acceptable standard from which to measure fan output. ... View This Document
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This method required creating the most perfect sphere on Earth. Many of you have been asking about different places I like to eat in Panama well this is one of them. Commercial Agent: Skylet Andrew at Skylet Andrew Limited Email: sky@skyletandrew.com ... View Video
Energy Efficient Buildings
In fluorescent lights, lumens per fixture LPF is the product of the number of lamps, NL, lumens because of the 15-minute restrike time required for HID lighting to regain full In commercial buildings, lighting energy density is typically about 1.5 W/ft2 and the plug load density ... Content Retrieval
Zero Energy Commercial Buildings Consortium (ZECBC)
Efficiency lighting systems into the commercial and residential lighting efficacy of approximately 21 lumens per watt (lpw) for the thus slowing adoption. In addition, continued use of lpw or W/sq.ft (watts per square foot) as a metric for energy efficiency is too restrictive from a ... Retrieve Doc
BIDDING DOCUMENTS
How many Btu’s does it take to get 1 pound of water from freezing to boiling? 212 degree F in lumens. The lighting level on a given plane, where one foot candle is equal to one lumens per square foot. ... Doc Viewer
Lux - Wikipedia, The Free Encyclopedia
The lux (symbol: lx) is the SI unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface ... Read Article
Utility Analysis
Typical lighting power densities are about 1-2 W/ft2 in the commercial sector and 1-1.5 W/ft2 in the manufacturing lumens per fixture LPF is the product of the number of lamps, NL, lumens per lamp, LPL because of the 15-minute restrike time required for HID lighting to regain full ... Get Doc
CHAPTER 5
Lighting consumed 31% of commercial building energy while heating accounted for 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 note that efficacy (lumens per watt) is higher with ... Read Full Source
Good Energy: Energy Saved By Efficient Buildings
Residential and commercial are enacted by states Many old model energy codes have been merged into the IECC. FYI units used would be BTU/ FT2 x oF Discuss Glazing, but Opaque requirements speak for themselves- thicker, denser, E.g. lighting- list allowable watts per square foot. ... Document Retrieval
Sunlight - Wikipedia, The Free Encyclopedia
For natural lighting of interior spaces by admitting sunlight, square metre by 93 lumens per watt indicates that bright sunlight provides an illuminance of approximately 93 000 lux or lumens per square meter on a perpendicular surface at and giving the heterotroph the energy required for ... Read Article
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 ... Fetch This Document
It’s Watts - It’s Lumens - It’s $$$
In a lighting system will introduce 3.414 BTU™s (British Thermal Unit) Lumens Per Watt is an expression of how many lumens we get from a light source compared to how much energy Energy legislation restricting watts consumed per square foot and total system wattage are ... Get Content Here
Glossary And Acronyms
A device used to provide required starting voltage and operating Total energy used in a building for a specific period of time stated in terms of Btu’s/gross conditioned square feet (Btu/SF/Yr equal to one lumen per square meter. One foot-candle is roughly equal to 10 lux. MSDS ... Access Full Source
Why Are Buildings So Important? - Iowa Energy Center
Much per Square Foot as the energy required Lighting Systems Many Types of Fluorescent Lamps available – many variables Lumens: 2400 for 25 W lamps to 5000 for High Output 100+ Lumens per Watt systems available ... Retrieve Doc
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