A wood frame house has an overall building load coefficient (BLC) of 350 W/C and roof insulated
Question:
A wood frame house has an overall building load coefficient (BLC) of 350 W/°C and roof insulated with RSI-5 with an exposed area of 200 m2. Estimate the potential annual electricity use and cost savings when the roof static insulation is replaced with a SIS) operated using two-step controls with a low R-value of RSI-0.7 and a high R-value of RSI-5. Assume that the house is equipped with a heat pump with COPH = 3.0 for heating and COPC = 4.5 for cooling. Assume the electricity price is $0.15/kWh.
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Based on the degreeday method introduced in Chapter 3 the annual heating and cooling energy enduses ...View the full answer
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Related Book For 
Energy Audit Of Building Systems An Engineering Approach
ISBN: 9780367820466
3rd Edition
Authors: Moncef Krarti
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