David Byrnes of Green Integrated Design discusses zoning your air conditioning/heating system in your home. Dividing your home into various heating and cooling areas based on when the spaces are used. Technological advances like zoning dampers and efficient units reduces energy use, lower costs and improved comfort and air quality.  

Original broadcast archive page with expanded content https://rosieonthehouse.com/podcast/on-the-house-zoning-your-homes-hvac-system-may-improve-efficiency-and-utility-cost-with-david-byrnes-of-greenid/