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Questions and Answers
When preparing a house for a blower door test, the exhaust fan dampers should be?
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Which of the following problems would be the most likely to contribute to mold growth?
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What information does the Rater need to collect for a clothes washer in a rated home?
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Which of the following is the output capacity of an 83 AFUE furnace that consumes gas at a rate of 1 therm per hour?
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Which of the following is an effective way to reduce mold growth in a cold climate?
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Insulation in a frame floor of a bonus room above an unconditioned garage (where the floor is the air barrier) should be installed:
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Which of the following statements is true about radiant heat flow between two objects?
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What insulation Grade is applied to the HERS Reference Home?
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Which of the following openings to the exterior should be sealed when conducting a blower door test?
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If undiluted Carbon Monoxide (CO) levels are at 75 ppm for an oven, what action should be taken?
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How should the Rater determine recovery efficiency for an HRV?
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If insulation is not inspected in the rated home, what insulation Grade must be applied to the rating model?
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If ambient CO levels of 25ppm are detected during CAZ testing:
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A return duct leak that is located in a garage is a health and safety concern because it:
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Leaky ductwork can influence the infiltration rate by-
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By looking at the reflections of a flame or other light source in a window a Rater can discover whether or not the window:
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Which of the following features of a rated home affects the HERS index?
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An old Victorian home has a cylindrical turret that measures 10 feet across (on the exterior). If the flat ceiling is 9 feet high, what is the volume of the room?
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Which of the following correctly describes the impact on equipment load of upgrading to energy-efficient lighting and appliances?
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What phenomenon is caused by the air temperature difference between the inside and outside of a house?
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Why can a heat pump have an efficiency rating greater than 100 percent?
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According to RESNET Standards, for a 3 bedroom. 1300 square foot Rated Home with a mechanical ventilation system, what is the minimum air exchange rate used in the ERI calculation?
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What component of a window is typically considered a Thermal break?
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The process by which air comes into a house through cracks and holes is called:
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Which of the following will result from replacing incandescent bulbs with LED bulbs?
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What does the EPA recommend as the maximum allowable concentration of carbon monoxide for 8 hours of exposure?
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Which of the following conditions generally allows the most water vapor to move through a wall assembly?
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Which of the following is a complete list of factors that can affect the HERS Index?
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When preparing for a blower door test, the baseline pressure reading is a measure of which pressure effect?
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At what location in the air distribution system would leaks have the largest impact?
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The Energy Efficiency Ratio is defined as a measure of
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Which of the following affects the location of the neutral pressure plane?
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8.When preparing a house for a blower door test, which of the following should be left “as found”?
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Which of the following is an example of an effective cooling-design tradeoff?
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12.When conducting a HERS rating, what feature of the rated home and the corresponding “reference” home will always be the same?
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What is RESNET’s allowable range for the Energy Conservation Measure Service lifetime for a tankless gas water heater
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21.In addition to U-factor, SHGC, surface area, and orientation, what other aspect affecting window performance must be determined?
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22.When insulation is added to the attic, it will
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23.What source is acceptable for Raters to obtain water heater energy factors?
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When solar radiation strikes untreated single glazing at a 90-degree angle, most of it is
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Which two aspects of the installation of a central heat pump or air conditioning system are critical to ensure rated equipment efficiency?
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Qualifying light fixtures include those mounted to the rated building and what others?
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29.A 1000 square foot attic consists of 990 square feet that is insulated to R-30 and an un-insulated access panel that is 10 square feet. What is the area weighted R-value of the entire attic assuming (1) the R-30 is continuous and installed to “Grade 1” standards and (2) the access panel has an R-value of 1?
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The RESNET defined minimum requirements of a whole-house mechanical ventilation system include:
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34.What is the minimum test period for the Pre-Test Baseline Building Pressure measurement for Duct Leakage to Outside?
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What is the delivered efficiency of a heating system that has an efficiency of .80 and a distribution efficiency of .88?
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Which of the following is most likely to cause carbon monoxide problems inside homes?
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To what position should zone and bypass dampers be set when performing a duct leakage test?
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While performing a house depressurization test, if the house is depressurized to the prescribed test pressure, but the fan pressure is extremely low, what action should be taken?
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A house with most of its glazed area split equally into two opposite sides will have the smallest cooling load if the heavily glazed walls face which directions?
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