By Douglas Harris
Inefficient strength use in structures is either more and more dear and unsustainable. certainly, the aid of the strength intake of latest structures is as least as vital because the layout of latest low-energy structures. Controlling power use is something, however it is critical to evaluate or estimate it, and to appreciate the diversity of interventions for lowering its use and the tools for assessing the fee effectiveness of those measures.
This finished consultant basically and concisely covers a number of the concerns from a theoretical perspective and gives sensible, labored examples the place applicable, besides examples of ways the calculations are conducted.
Topics coated include:
- where and the way power is utilized in buildings
- energy audits
- measuring and tracking power use
- techniques for lowering strength use in buildings
- legislative issues.
It presents a template for instigating the strength administration technique inside of a firm, in addition to suggestions on administration concerns comparable to worker motivation, and provides sensible info on how one can hold it via. This publication should 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
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?
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. It is an investigation and detailed analysis of the energy entering and leaving a building, and is carried out in order to pinpoint those areas where improvements in the building fabric, services, controls and management can be made. The main aim of the energy audit is to identify actions that will lead to savings in energy and costs.
The condensate is slightly acidic, therefore the drain should be of plastic, and stainless steel flues are preferred since copper and cast iron are susceptible to corrosion. A fan is normally required to remove the flue gases, which are cooler (at 55–100ºC) and therefore of lower buoyancy than in a conventional boiler. 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.
A Guide to Energy Management in Buildings by Douglas Harris