Company: Greenheck Product: Assure-140SC, SYNC-110SEA, SYNC-180TCE Description: Greenheck has added three new models to its line of high-performance residential energy recovery ventilators (ERVs).

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 ...