HERS Rater Practice Exam 1 UPDATED ACTUAL Questions and CORRECT
Answers
Blower Door Test Test to measure a building's airtightness
Fannie Mae Energy Eflcient Mortgages Mortgages based on energy eflciency improvements
Insulation Grade I Requires exposure on one side to the exterior
Rated Features for Air Conditioner Include equipment type, location, and eflciency
Tax Credit Records Retention Must be retained for seven years
R-value Doubles U-factor decreases by half
HERS Rating Measures home energy eflciency
Cost-Effective Retrofit Upgrading existing attic insulation from R-30 to R-38
Determined by The Water Heating Eflciency Guide
Eflciency of Electric Hot Water Heater
(WHEG)
One Ton of Cooling Equal to 12,000 Btu/hour
Heat Flow Calculation Calculate heat flow through an assembly
Area of a Circle Calculated using the formula A = πr^2
Expresses the eflciency of a central air conditioning sys-
SEER Rating
tem
Difference Between EEM and Conventional Mortgage EEM may allow a home buyer to borrow more money
Should be opened if there is a window or an attic access
Closet Doors in Blower Door Test
in the closet
Refers to heat transfer within a fluid due to differences in
Natural Convection
density
Increases relative humidity to unacceptable levels in win-
Effect of High Air Leakage in Cold Climate
ter
ACH50 Formula ACH50 = CFM50 * 60/Volume
Fan pressure should always be measured with reference
Blower Door Fan Flow Measurement
to the outside
Answers
Blower Door Test Test to measure a building's airtightness
Fannie Mae Energy Eflcient Mortgages Mortgages based on energy eflciency improvements
Insulation Grade I Requires exposure on one side to the exterior
Rated Features for Air Conditioner Include equipment type, location, and eflciency
Tax Credit Records Retention Must be retained for seven years
R-value Doubles U-factor decreases by half
HERS Rating Measures home energy eflciency
Cost-Effective Retrofit Upgrading existing attic insulation from R-30 to R-38
Determined by The Water Heating Eflciency Guide
Eflciency of Electric Hot Water Heater
(WHEG)
One Ton of Cooling Equal to 12,000 Btu/hour
Heat Flow Calculation Calculate heat flow through an assembly
Area of a Circle Calculated using the formula A = πr^2
Expresses the eflciency of a central air conditioning sys-
SEER Rating
tem
Difference Between EEM and Conventional Mortgage EEM may allow a home buyer to borrow more money
Should be opened if there is a window or an attic access
Closet Doors in Blower Door Test
in the closet
Refers to heat transfer within a fluid due to differences in
Natural Convection
density
Increases relative humidity to unacceptable levels in win-
Effect of High Air Leakage in Cold Climate
ter
ACH50 Formula ACH50 = CFM50 * 60/Volume
Fan pressure should always be measured with reference
Blower Door Fan Flow Measurement
to the outside
