Ducting energy recovery ventilators (ERV) can be challenging for HVAC contractors because no two installations are the same. ERVs bring in outdoor air that’s energy-efficiently preheated or precooled ...

Exhaust fans are designed to remove humid, stale, or smokey air from areas around your home and replace it with fresh air from the outdoors. They're most commonly installed in bathrooms, kitchens, and ...

Duct burners use supplementary firing to increase the heat energy of a gas turbine’s exhaust, making it possible to increase the output of a downstream heat-recovery steam generator (HRSG). Early ...