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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
An in-line exhaust fan supplements the ability to exhaust moisture-laden air and lint from a dryer
Right - A durable, vented cover is installed over this exhaust duct to prevent bird and pest entry
Right - The automated ventilation system has a sensor built in switch that can detect indoor air pollution; if it senses a rise in humidity, VOCs, smoke, carbon dioxide, or small particulates, the system will turn on the nearest fan to eliminate pollution
Right – This plug-in sensor detects indoor air quality issues in a home, including elevated levels of humidity, VOCs, smoke, carbon dioxide, or small particulates; if detected, the sensor can switch on the nearest exhaust fan to remove the pollutants.
The green-lit panel next to the fan and light switches is an indoor air quality sensor that will automatically turn on the exhaust fan if it detects a rise in humidity or indoor air pollutants.
The home is equipped with an advanced filtration system capable of removing 99.7% of contaminants from the indoor air.
Ventilation air inlets located ≥10 ft. of stretched-string distance from known contamination sources such as stack, vent, exhaust hood, or vehicle exhaust
Ventilation inlet is too close to exhaust outlets and does not extend at least 2 ft. above the roof deck
Without an exhaust fan ducted to the exterior, particles resulting from cooking can accumulate on walls and ceilings, and will be present in the air where they can damage occupants' respiratory systems
Wrong - Cold spots along the top plate combined with lack of ventilation have encouraged mold growth along this bathroom ceiling.
Wrong - Lack of insulation in the wall above this window combined with poor bathroom ventilation has contributed to mold growth.