Download A Guide to Energy Management in Buildings by Douglas Harris PDF

By Douglas Harris

Inefficient power use in structures is either more and more dear and unsustainable. certainly, the relief of the strength intake of current constructions is as least as vital because the layout of recent low-energy constructions. Controlling power use is something, however it is critical to evaluate or estimate it, and to appreciate the variety of interventions for decreasing its use and the tools for assessing the price effectiveness of those measures.

This complete advisor essentially and concisely covers some of the concerns from a theoretical perspective and gives sensible, labored examples the place acceptable, in addition to examples of ways the calculations are conducted.

Topics lined include:

  • where and the way strength is utilized in buildings
  • energy audits
  • measuring and tracking strength use
  • techniques for lowering strength use in buildings
  • legislative issues.

It presents a template for instigating the power administration method inside of a firm, in addition to information on administration matters similar to worker motivation, and provides functional information on find out how to hold it via. This publication should still attract construction managers and amenities managers and in addition to scholars of power administration modules in FE and HE courses.

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Extra resources for A Guide to Energy Management in Buildings

Example text

9). Installation of ASHP is relatively cheap, but they suffer from the drawback that the temperature of the air is at its lowest when the greatest amount of heat is required, leading to low values of COP at high load. Also, as heat is extracted from the external coil, regular defrosting is necessary. ASHPs are therefore of most benefit in moderate climates. Typically an air source heat pump can provide 85 per cent of the heat for a building, and a conventional boiler will provide the rest. 4 at an air temperature of 7ºC and a flow temperature of 35ºC.

5 Payback period in relation to insulation thickness Although some of the energy-consuming (and heat-producing) activities in the building may be assessed from power ratings, it may be necessary in some cases to make measurements of conditions and energy use, and these are explored later in Chapter 5. Investigation into the detailed energy exchanges in the building is pursued during the energy audit, which is described in the next chapter. CHAPTER 3 ENERGY AUDITS The energy audit An energy audit is an essential tool of energy management.

1 Typical techniques to help reduce energy consumption Repairing faults Any approach to improving building performance must first ensure that the existing fabric is sound and that plant and controls are operating correctly. Any damage to the building fabric such as broken windows, loose tiles, damp or missing insulation, will compromise the energy performance and must be attended to. Typical problems include dripping taps, leaking pipes, jammed or broken control valves, broken or inaccurate sensors, and clogged filters.

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