By Douglas Harris
Inefficient power use in constructions is either more and more dear and unsustainable. certainly, the aid of the power intake of current structures is as least as very important because the layout of latest low-energy structures. Controlling strength use is something, however it is necessary to evaluate or estimate it, and to appreciate the diversity of interventions for lowering its use and the tools for assessing the price effectiveness of those measures.
This entire advisor basically and concisely covers a number of the matters from a theoretical viewpoint and offers useful, labored examples the place acceptable, besides examples of the way the calculations are performed.
Topics coated include:
- where and the way power is utilized in buildings
- energy audits
- measuring and tracking power use
- techniques for decreasing power use in buildings
- legislative issues.
It offers a template for instigating the strength administration technique inside a firm, in addition to assistance on administration matters akin to worker motivation, and offers useful info on the best way to hold it via. This e-book should still entice construction managers and amenities managers and likewise to scholars of power administration modules in FE and HE courses.
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Extra info for A Guide to Energy Management in Buildings
The cost is 30–50 per cent higher than a conventional boiler and the payback period is two to five years. 7 Conventional and condensing boilers Condensing boiler techniques for reducing energy consumption Mode 48 Variable speed drives (VSD) for pumps and fans a guide to energy management in buildings Pumps consume about 12 per cent of the world’s electrical energy, and most of them consume over 50 per cent more than they should if designed, specified and used correctly. The energy use over its life cycle is many times the cost of a pump, so it is worthwhile investing in more efficient pumps and control devices.
11). The coils can be laid in a number of ways: single pipe, multiple pipe and spirals. 0 techniques for reducing energy consumption pipes, but a greater overall length of pipe is required for the same cooling capacity. 3 m apart, and trenches should be separated by 2 m. GSHPs operate over a range of water input temperatures, with typical evaporator temperatures between –5 and + 12ºC while the condenser temperatures range from 50–55ºC maximum. This temperature is too low for a conventional radiator system but may be used with warm air or underfloor heating systems.
The utility bills for the building will yield useful information on the amount of energy purchased and the tariffs paid; where a number of buildings are supplied and paid for on the same bill, readings from any submeters should be used in addition. If sub-metering is not available, then this may be noted as a potential area for improvement. Submeters may not be linked to billing, but identifying the consumption related to individual buildings is important. Even if a meter is not used for billing, regular readings, taken manually if necessary, should be incorporated as part of the monitoring strategy.
A Guide to Energy Management in Buildings by Douglas Harris