5.3003.3 Evaluating Air Flow | Standard Work Specifications for Home Energy Upgrades

Title	Specification(s)	Objective(s)
5.3003.3a Total air flow	Total system air flow will be measured by one of the following methods: Temperature rise Flow plate Fan depressurization device (e.g., Duct Blaster®, DucTester®)	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3b External static pressure	External static pressure will be in accordance with manufacturer specifications	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3c Pressure	Pressure drop across cooling coils will be in accordance with manufacturer specifications	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3d Filter Inspection	Visual inspection to verify filter type is per manufacturer specifications, and is clean	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3e Balancing room flow: new ductwork	Proper air flow delivery to each room will be ensured by one of the following: Measuring air flow at each register OR Measuring heat rise, room pressures, and interviewing residents to ensure their comfort.	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3f Supply and return temperature measurements	Supply and return wet bulb (wet bulb temperature is measured for cooling systems only) and dry bulb air temperatures will be recorded	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3h Temperature rise: gas and oil furnaces only	Temperature rise between the supply and return will be in accordance with manufacturer specifications	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable

Title	Specification(s)	Objective(s)
5.3003.3a Total air flow	Total system air flow will be measured by one of the following methods: Temperature rise Flow plate Fan depressurization device(e.g., Duct Blaster®, DucTester®)	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3b External static pressure	External static pressure will be in accordance with manufacturer specifications	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3c Pressure	Pressure drop across cooling coils will be in accordance with manufacturer specifications	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3d Filter Inspection	Visual inspection to verify filter type is per manufacturer specifications, and is clean	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3e Balancing room flow: new ductwork	Proper air flow delivery to each room will be ensured by one of the following: Measuring air flow at each register OR Measuring heat rise, room pressures, and interviewing residents to ensure their comfort.	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3f Supply wet bulb and dry bulb	Supply and return wet bulb (wet bulb temperature is measured for cooling systems only) and dry bulb air temperatures will be recorded	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable
5.3003.3h Temperature rise: gas and oil furnaces only	Temperature rise between the supply and return will be in accordance with manufacturer specifications	Ensure equipment: Operates as designed Operates efficiently Provides comfort Operates safely Is durable