Podcast
Questions and Answers
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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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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Preparing a house for a blower door test, the exhaust fan dampers should be
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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1.RESNET Standards require that Raters must
1.RESNET Standards require that Raters must
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If six inches of insulation is blown over the top of four inches of insulation and both products are rated at R-3.8 per inch, what is the resultant nominal R-value of the attic insulation?
If six inches of insulation is blown over the top of four inches of insulation and both products are rated at R-3.8 per inch, what is the resultant nominal R-value of the attic insulation?
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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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When preparing a house for a blower door test, which of the following should be left “as found”?
When preparing a house for a blower door test, which of the following should be left “as found”?
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2.If a home’s entire HVAC distribution system is in unconditioned space, what is the likely reason the house pressure does not change when the air handler unit is turned on and off?
2.If a home’s entire HVAC distribution system is in unconditioned space, what is the likely reason the house pressure does not change when the air handler unit is turned on and off?
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1.Which of the following detrimental effects would be the most likely to occur as the result of exhaust fans or duct leaks that depressurize a house?
1.Which of the following detrimental effects would be the most likely to occur as the result of exhaust fans or duct leaks that depressurize a house?
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When conducting a HERS rating, what feature of the rated home and the corresponding “reference” home will always be the same?
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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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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A powered flow hood capture element needs to be
A powered flow hood capture element needs to be
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What is the effect of a missing filter slot cover on an air handler located outside conditioned space?
What is the effect of a missing filter slot cover on an air handler located outside conditioned space?
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Which of the following would most likely be the result of reducing envelope leakage?
Which of the following would most likely be the result of reducing envelope leakage?
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In addition to U-factor, SHGC, surface area, and orientation, what other aspect affecting window performance must be determined?
In addition to U-factor, SHGC, surface area, and orientation, what other aspect affecting window performance must be determined?
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When insulation is added to the attic, it will
When insulation is added to the attic, it will
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What source is acceptable for Raters to obtain water heater energy factors?
What source is acceptable for Raters to obtain water heater energy factors?
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1.Under testing conditions, the ambient Carbon Monoxide measurements should be taken
1.Under testing conditions, the ambient Carbon Monoxide measurements should be taken
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.In a typical home, which of the following sources would generally lead to the greatest amount of moisture intrusion?
.In a typical home, which of the following sources would generally lead to the greatest amount of moisture intrusion?
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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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1.Qualifying light fixtures include those mounted to the rated building and what others?
a. Landscape lighting
b. Closet lamps
c. Closet lamps
d. Pole mounted lighting
1.Qualifying light fixtures include those mounted to the rated building and what others? a. Landscape lighting b. Closet lamps c. Closet lamps d. Pole mounted lighting
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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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When conducting a multi-point envelope leakage test, what range of house pressures is acceptable?
When conducting a multi-point envelope leakage test, what range of house pressures is acceptable?
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Relevant furnace operating information is typically located:
Relevant furnace operating information is typically located:
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What is the minimum test period for the Pre-Test Baseline Building Pressure measurement for Duct Leakage to Outside?
What is the minimum test period for the Pre-Test Baseline Building Pressure measurement for Duct Leakage to Outside?
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What should the Rater do to determine the cfm at 50 Pascals if house pressure can only be raised to 40 Pascals during a blower door test?
What should the Rater do to determine the cfm at 50 Pascals if house pressure can only be raised to 40 Pascals during a blower door test?
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If the rated home has a conditioned basement, the HERS Reference Home must have a/an:
If the rated home has a conditioned basement, the HERS Reference Home must have a/an:
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According to the RESNET Standards, which of the following pieces of information about the rated home is used to determine the insulation levels for the corresponding reference home?
According to the RESNET Standards, which of the following pieces of information about the rated home is used to determine the insulation levels for the corresponding reference home?
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How are LED lighting fixtures documented for an energy rating?
a. Counted together with fluorescent lighting fixtures if the LED lamp is integrated with the fixture.
b. Counted separately from fluorescent lighting fixtures.
c. Counted separately from fluorescents, except in garages.
d. Counted together with fluorescent lighting fixtures.
How are LED lighting fixtures documented for an energy rating? a. Counted together with fluorescent lighting fixtures if the LED lamp is integrated with the fixture. b. Counted separately from fluorescent lighting fixtures. c. Counted separately from fluorescents, except in garages. d. Counted together with fluorescent lighting fixtures.
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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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What is the aged-based default efficiency for a new storage gas water heater?
What is the aged-based default efficiency for a new storage gas water heater?
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What is required to change from depressurization to pressurization of a house during a blower door test?
What is required to change from depressurization to pressurization of a house during a blower door test?
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What is the ventilation rate in cfm that may be attributed to an exhaust fan that moves 120 cfm and runs for 25 minutes each hour?
What is the ventilation rate in cfm that may be attributed to an exhaust fan that moves 120 cfm and runs for 25 minutes each hour?
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In a house with leaky supply ductwork outside conditioned space, what is likely to happen when the HVAC system is activated?
In a house with leaky supply ductwork outside conditioned space, what is likely to happen when the HVAC system is activated?
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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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Which of the following conservation measures will have the greatest impact on reducing the heating load on the house?
Which of the following conservation measures will have the greatest impact on reducing the heating load on the house?
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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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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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The best way for a Rater to demonstrate quality work is to:
The best way for a Rater to demonstrate quality work is to:
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What should be done to atmospherically vented combustion appliances when conducting a blower door test?
What should be done to atmospherically vented combustion appliances when conducting a blower door test?
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In a 5,000 square foot house to be improved, where duct leakage has not been measured and 80% of the ducts and air handler are in conditioned space, what is the assumed baseline duct leakage to outside?
In a 5,000 square foot house to be improved, where duct leakage has not been measured and 80% of the ducts and air handler are in conditioned space, what is the assumed baseline duct leakage to outside?
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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?
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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Given a bag volume of 30 gallons and an inflation time of 4 seconds, what is the calculated ventilation air flow rate using the bag inflation method?
Given a bag volume of 30 gallons and an inflation time of 4 seconds, what is the calculated ventilation air flow rate using the bag inflation method?
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A house with insulated sheathing (R-3) has structural comer sheathing (R-1) which comprises 25 percent of the wall area. What is the area-weighted U-factor of the sheathing?
A house with insulated sheathing (R-3) has structural comer sheathing (R-1) which comprises 25 percent of the wall area. What is the area-weighted U-factor of the sheathing?
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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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