By Douglas Harris
Inefficient strength use in constructions is either more and more pricey and unsustainable. certainly, the aid of the power intake of present constructions is as least as very important because the layout of recent low-energy structures. Controlling power 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 equipment for assessing the price effectiveness of those measures.
This accomplished advisor truly and concisely covers a few of the matters from a theoretical viewpoint and offers functional, labored examples the place acceptable, in addition to examples of ways the calculations are performed.
Topics lined include:
- where and the way strength is utilized in buildings
- energy audits
- measuring and tracking power use
- techniques for lowering power use in buildings
- legislative issues.
It presents a template for instigating the power administration technique inside a firm, in addition to suggestions on administration concerns resembling worker motivation, and provides sensible info on the best way to hold it via. This booklet may still attract construction managers and amenities managers and likewise to scholars of power administration modules in FE and HE courses.
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Additional info for A Guide to Energy Management in Buildings
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. A system of maintenance and repair should be instigated to ensure that faults do not remain unattended for long periods. The use of a building management system (BMS) (see Chapter 8) often proves to be of help in detecting some of these problems.
In dwellings the application of draught-proofing material round the edges of doors and windows is usually sufficient, while in commercial premises, the use of revolving doors and automatic door closers should also be considered. Calculations showing the effects of insulating buildings, and other interventions are given in Case Studies 1 and 2 and Appendix 1. Building services equipment The building services equipment uses most of the energy consumed in a building. For maximum energy efficiency it should be appropriate to its function, operate efficiently, and be correctly sized.
In offices the proportion is lower, but when refurbishing it may often be more efficient to use point-of-use water heaters, even if electrically heated, as this avoids the need to use the boiler during the summer months. A heat pump used in heating mode upgrades low-level heat by extracting it from a source such as the air, the ground or running water, and releasing it at a higher temperature to provide space heating in a building. It employs a compression–refrigeration cycle and a pump which is usually electrically driven, and is therefore useful where there is no mains gas supply.