Showing results 1 - 50 of 130
Image
This central ventilation system uses an energy recovery ventilator to supply air to the corridor and exhaust air from the elevator shaft of a multifamily building
Image
A central fan-integrated supply system uses a fresh air intake ducted to the home's central furnace or air handler unit to supply fresh air throughout the home
Image
A Corsi-Rosenthal Box is a highly effective DIY air cleaner made of easy to obtain materials such as HVAC filters, a box fan, cardboard, and tape
Image
A reversible window fan can operate via thermostatic or remote control and can selectively exhaust air or bring in outdoor air
Image
A variety of battery-powered fans can be used for a cool room without electric power; most charge off a USB charger so they can be solar charged
Image
A ventilation controller with a manual override is located on a central air handler fan that is located in an accessible location
Image
Air flow is produced when central HVAC fan is energized (set thermostat to “fan”)
Image
Air seal and insulate around the exhaust fan with a rigid foam box
Image
Air seal around kitchen and bathroom exhaust fans to keep conditioned air from leaking into unconditioned space.
Image
Image
Allow two to three feet of straight duct run from the fan exhaust port to the first elbow
Image
An in-line exhaust fan supplements the ability to exhaust moisture-laden air and lint from a dryer
Image
Image
Bathroom exhaust fans are timer-operated to encourage removal of moisture from the home.
Image
Image
Image
Calibrated blower door fans are used for envelope leakage testing
Image
Caulk or foam seal between the exhaust fan housing and the ceiling gypsum; install a gasket or caulk around the exterior exhaust duct vent
Image
Ceiling fan meets minimum clearance
Image
Ceiling fans can be used to aid a night flush strategy by helping to cool down wall and floor surfaces more thoroughly at night, and by providing comfort ventilation during the day
Image
Image
Continuously-operating ventilation & exhaust fans include readily accessible override controls
Image
Image
Cut a neat hole in the ceiling with smooth edges in which the exhaust fan housing will fit snugly
Image
Double fan window units can have multiple operational modes; most often outdoor air will be brought in at night when outdoor conditions are cooler
Image
Ducted whole-house fans should be installed with the duct curved and the fan suspended from rafters to reduce noise and vibration transmission to the living area.
Image
Image
ENERGY STAR ceiling fans can help occupants feel cool so HVAC air conditioning systems can be turned down for energy savings.
Image
ENERGY STAR requires exhaust fans set for intermittent operation to have a sound rating of ≤ 3 sones and exhaust fans set for continual operation to have a sound rating of ≤ 1 sone.
Image
ENERGY STAR-rated ceiling fans and openable windows oriented to prevailing summer breezes help provide low-cost cooling.
Image
ENERGY STAR-rated ceiling fans save energy when operating and provide cooling movement to reduce the need for coolant-based air conditioning.
Image
Exhaust fan installed but in wrong direction causing excessive bend and duct is uninsulated
Image
Exhaust pipe should be made of smooth, rigid duct and any bends should be gradual, not sharp
Image
Image
Image
Image
If integrating an ERV/HRV with the heating/cooling duct system, add dedicated ducts for either the supply or return side to prevent short-circuiting of air distribution
Image
Image
In this ventilation configuration for a multifamily building, outside air enters through a dedicated outdoor air system (DOAS), and inside air exits the space through bathroom and kitchen exhaust fans
Image
Install the fan either in the range hood, the cabinet above the stove, or on the wall above the stove
Image
Image
Installing an ENERGY STAR ceiling fan is a low-energy way to improve comfort in a designated cool room
Image
Image
Intermittent supply and exhaust fans rated at ≤ 3 sones by manufacturer, unless rated flow ≥ 400 CFM
Image
Lower-cost local ERVs are usually installed in a ceiling to supply outdoor air to and exhaust air from the room in which they are located
Image
Image
Opening the outlet on a bath fan reveals model information and provides access to the motor
Image
Image
Image
