building laws, zoning, and history, all conspire here. Now new energy efficiency regulations may finally push the move to centralized or similar systems. Still

building laws, zoning, and history, all conspire here. Now new energy efficiency regulations may finally push the move to centralized or similar systems. Still the zoning restrictions tend to run into issues when more than two percent of a buildings space is classified as mechanical. Also NYC does a lot of older structures that would be too costly to retrofit