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A builder meets with utility staff at a job site.

A builder meets with utility staff at a job site.
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A builder, energy efficiency consultant, and crew supervisor inspect a spray foam installation.

A builder, energy efficiency consultant, and crew supervisor inspect a spray foam installation.
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A constant airflow regulator is a modulating orifice that automatically regulates airflows in duct systems to constant levels

A constant airflow regulator is a modulating orifice that automatically regulates airflows in duct systems to constant levels
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A constant airflow regulator is fitted into the neck of the supply duct to control air flow to deliver the design airflow regardless of pressure variations

A constant airflow regulator is fitted into the neck of the supply duct to control air flow to deliver the design airflow regardless of pressure variations
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A detergent port on a steel boiler

A detergent port on a steel boiler
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A duct leakage test is performed on a ducted heat pump system using a duct tester (blower fan) and a digital manometer.

A duct leakage test is performed on a ducted heat pump system using a duct tester (blower fan) and a digital manometer.
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A ducted central return brings air from central return registers back to the air handler through insulated, air-sealed ducts

A ducted central return brings air from central return registers back to the air handler through insulated, air-sealed ducts
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A flow grid is inserted into the filter grille/slot to directly measure airflow.

A flow grid is inserted into the filter grille/slot to directly measure airflow.
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A main vent is installed on the side of a drip leg

A main vent is installed on the side of a drip leg
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A riser vent is installed on the stub-out below the hand valve

A riser vent is installed on the stub-out below the hand valve
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A static pressure measurement is taken on this air handler using probes on the supply and return sides of the fan.

A static pressure measurement is taken on this air handler using probes on the supply and return sides of the fan.
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A tree of main vents is installed on top of drip piping

A tree of main vents is installed on top of drip piping
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A vacuum decay test is performed on this ductless mini-split heat pump using a digital micron gauge for accurate measurement; a deep vacuum is achieved quickly by using large diameter, vacuum-rated hoses, and removing valve cores

A vacuum decay test is performed on this ductless mini-split heat pump using a digital micron gauge for accurate measurement; a deep vacuum is achieved quickly by using large diameter, vacuum-rated hoses, and removing valve cores
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An air vent mounted high on the radiator will shut quickly and limit the radiator’s heat output

An air vent mounted high on the radiator will shut quickly and limit the radiator’s heat output
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An air vent mounted low on the radiator will allow more steam to enter the radiator before it shuts

An air vent mounted low on the radiator will allow more steam to enter the radiator before it shuts
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An anode bar (upper grey bar) is installed in a steel boiler

An anode bar (upper grey bar) is installed in a steel boiler
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An infrared camera can show heat transfer and air leaks not visible to the naked eye.

An infrared camera can show heat transfer and air leaks not visible to the naked eye.
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Anode bars can protect boiler steel without the bad effects of chemical water treatment

Anode bars can protect boiler steel without the bad effects of chemical water treatment
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Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa

Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa
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Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa

Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa
Video:

BrHEAThe Instruction Video

Case Study:

Building America Case Study: Standard- Versus High-Velocity Air Distribution in High-Performance Townhomes

Case Study:

Building America Top Innovations 2013: Building America Solution Center

Case Study:

Building America Top Innovations 2013: Quality Management System Guidelines