The 2020 ASHRAE Handbook, “HVAC Systems and Equipment,” discusses various systems and the equipment (components or assemblies) they comprise and describes features and differences.
A VRF heat pump system combined with a high-efficiency ERV system was selected by a large property management company for its 71,000-square-foot headquarters in Tarrytown, New York, as an upgrade to its four existing 60-ton, multi-zone, natural gas-fired rooftop units.
On days when the outdoor temperature rose above 100°F, the church’s parish center struggled to keep the interior temperature below 90°. This caused the space to go almost entirely unused in summer, a time when the children of the community were seeking activities.
The newest N-Generation single-module units offer improved energy efficiency, a smaller footprint, and more personalized comfort control over prior generations of products for commercial building applications.