By Douglas Harris

Inefficient power use in constructions is either more and more pricey and unsustainable. certainly, the aid of the strength intake of current structures is as least as very important because the layout of latest low-energy constructions. Controlling strength use is something, however it is critical to evaluate or estimate it, and to appreciate the diversity of interventions for decreasing its use and the equipment for assessing the associated fee effectiveness of those measures.

This entire consultant sincerely and concisely covers many of the concerns from a theoretical viewpoint and gives sensible, labored examples the place acceptable, besides examples of ways the calculations are performed.

Topics coated 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 approach inside of a firm, in addition to assistance on administration matters equivalent to worker motivation, and offers functional info on tips on how to hold it via. This publication may still attract development managers and amenities managers and likewise 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

If not available, state what you would need to do to find out – what measurements to make. 5. Comments on specific points about the operation of the buildings. Does everything work as it should, is it well maintained, and so on? 6. List of where you think energy is being wasted, where and how savings could be made. 7. Calculations based on 6 to show the cost-effectiveness (or otherwise) of measures. 8. Specific recommendations based on 6 and 7, Check list for energy audits. Location Building form and orientation 35 Floor plans and elevations energy audits Pre-inspection 36 Drawings of services layout a guide to energy management in buildings Areas, floor–ceiling heights Use External environment Maintenance records Alterations and improvements Energy sources and tariffs Determine whether the building is owner-occupied Determine whether the owner or occupier pays the fuel bills Determine whether heating/electricity are flat-rate or metered Fabric survey Roof – type, condition, insulation, condensation rooflights?

More modern radiators are thinner and contain less water, therefore they are capable of more rapid response to conditions and provide greater efficiency. techniques for reducing energy consumption Heating system 46 a guide to energy management in buildings In buildings with high ceilings, a warm-air system may turn out to be very inefficient, since the warm air will rise towards the roof. Destratification fans and ductwork can be fitted to direct the warm air back to ground level and reduce temperature gradients, improving efficiency.

If a BMS is used, external air temperatures may be recorded and accurate values of the local degree days can be calculated; alternatively, degree day values may be obtained from a number of sources. Gas is used for both space heating and cooking, but the amount used for each end-use in any given period is unknown. Water heating is carried out separately, by electricity. 4 include both heating and cooking energy; separation of the two enables a useful plot to be made. As only one meter is installed covering the total gas use, the data must be manipulated in order to separate it into the two end-uses.

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