Do you recommend adding R 20 insulation to a 25,000 ft2 uninsulated roof (R 5) when you consider a 25 year life cycle with a rate of return of 8 percent Assume the following Heating degree days Cooling degree hours Fuel cost Boiler efficiency Electric rate Refrigeration requirement Insulation cost ...

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Do you recommend adding R-20 insulation to a 25,000 ft2 uninsulated roof (R-5) when you consider a

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Do you recommend adding R-20 insulation to a 25,000 ft2 uninsulated roof (R-5) when you consider a 25-year life cycle with a rate of return of 8 percent? Assume the following: image text in transcribed

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Energy Audit Of Building Systems An Engineering Approach

ISBN: 9780367820466

3rd Edition

Authors: Moncef Krarti

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Question Posted: Feb 07, 2024 01:49 PM

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Do you recommend adding R-20 insulation to a 25,000 ft2 uninsulated roof (R-5) when you consider a

Question:

Heating degree-days Cooling degree-hours Fuel cost Boiler efficiency Electric rate Refrigeration requirement Insulation cost 5,000 10,000 $5/MMBtu 0.70 $0.10/kWh 0.75kW/ton $0.225/ft

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Energy Audit Of Building Systems An Engineering Approach

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