The case for fan and pump motor speed control.
For many years buildings were designed to use standard plant and provide good operational conditions, without consideration of the efficient use of energy. This might have been acceptable when energy was cheap, but with rising energy costs, and recent government instruction to reduce consumption levels, it is necessary to actively consider plant running costs.
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D000389:Air Conditioning / Q000191:economics / Q000295:instrumentation*; D003199:Computer Systems / Q000191:economics*; D003246:Conservation of Energy Resources / Q000191:economics* / Q000379:methods; D017046:Cost Savings; D008284:Maintenance and Engineering, Hospital / Q000191:economics* / Q000379:methods; D006113:United Kingdom