Download Handbook of energy audits by Younger, William J.; Niehus, Terry; Thumann, Albert PDF

By Younger, William J.; Niehus, Terry; Thumann, Albert

Now in its 5th version, this guide is the main finished and functional reference to be had on strength auditing in structures and undefined. thoroughly up-to-date, the e-book offers you all of the details you must identify an strength audit software to your facility. Accounting tactics, electric, mechanical, development and procedure platforms research, existence cycle costing, and upkeep administration are all coated intimately

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Handbook of energy audits

Now in its 5th variation, this instruction manual is the main complete and functional reference on hand on strength auditing in constructions and undefined. thoroughly up to date, the publication provides you with all of the details you must determine an strength audit software in your facility. Accounting methods, electric, mechanical, construction and method platforms research, lifestyles cycle costing, and upkeep administration are all coated intimately

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Reduction of lighting energy can also increase the energy use of building heating and decrease cooling system consumption, since internal heat gains are reduced. However, this heat-of-light is often a relatively expensive method of heating a building. If the building cooling plant is to be replaced, implementation of lighting measures can reduce the required plant size. HVAC Systems The HVAC systems in the building are made up of energy conversion equipment, which transforms electrical or chemical energy to thermal energy, and distribution and ventilation systems, which transport the thermal energy and supply fresh outdoor air to the conditioned space.

Energy Use in Hotels/Motels ——————————————————————————————— Energy Use in Hotels/Motels Range (%) Norm (%) ——————————————————————————————— Space Heating 45-70 60 ——————————————————————————————— Lighting 5-15 11 ——————————————————————————————— Air Conditioning 3-15 10 ——————————————————————————————— Refrigeration 0-10 4 ——————————————————————————————— Special Functions 5-20 15 (laundry, kitchen, restaurant, swimming pool, elevators, security lighting, hot water) ——————————————————————————————— Table 2-9.

Focusing on reducing demand during those months of highest use would become a top priority for reducing demand charges throughout the year. Power Factor Charge Utilities generally assess a penalty for low “power factor” to some larger commercial and industrial customers. The reason is that not all of the power you use registers on the energy and demand meters. Energy (kWh) and demand (kW) meters record the “real” energy use and power that does useful work or makes heat. In addition to energy and demand, “reactive power” is used by induction motors and transformers to excite magnetic fields and causes electrical current to flow partially out of phase.

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