Podcast
Questions and Answers
When preparing a house for a blower door test, the exhaust fan dampers should be?
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?
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?
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?
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?
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:
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?
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?
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?
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?
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?
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?
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:
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:
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-
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:
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?
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?
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?
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?
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?
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?
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?
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:
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?
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?
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?
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?
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?
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?
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
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?
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”?
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?
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?
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
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?
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
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?
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
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?
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?
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?
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:
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?
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?
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?
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?
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?
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?
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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