BPI exam Practice Questions and
Answers
How should energy auditors approach assessing a home? - Answer-Use the house as a
system to approach to assessing a home.
Core concepts of home performance - Answer-Don't insulate unless you air seal.
Don't air seal unless you insulate.
Don't air seal u...
What are the categories of potential for energy conservation and how do you define them? -
Answer✔✔-Heating and cooling - seasonal efficiency for fossil-fuel heating systems range from
30 - 90%. Most older systems operate at the mid-to-lower end of this scale.
Air leakages - infiltrating air must by heated or cooled to a comfortable temperature, and
heated and cooled air is lost when air leaks out of the building.
Water heating - energy losses in heating and storage of hot water can amount to 40% or more
of that system's energy consumption.
Appliances and Lighting - refrigerators, lights, entertainment systems, computers and other
appliances use considerable electrical energy because of obsolete design, careless operations,
or just the sheer number of electrical devices in a home.
Residential Behavior - The awareness and care of a buildings residents and managers has a
significant influence on how much energy the building uses.
What are the cost effectiveness formulas? - Answer✔✔-Simple payback: PB (measured in years)
= C (the initial cost in dollars)/S(the annual savings in dollars).
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