The future of bypass ducts in zoned California heating and cooling systems appears very bleak. The California Energy Commission (CEC) recently proposed a code change that would prohibit the use of bypass ducts in zoned heating and cooling systems, and eliminate existing Title 24 zonal performance compliance credits.

The Air Conditioning Contractors of America (ACCA) announced that Manual Zr, the first American National Standards Institute (ANSI) recognized standard for residential zoning, is complete and available.

The Air Conditioning Contractors of America (ACCA) has announced that Manual Zr, the first American National Standards Institute (ANSI) recognized standard for residential zoning, is available.

Innobus is an advanced zoning climate control system. It controls up to 32 zones for homes, offices, or hotels. It is compatible with most home automation systems, says the company.

The system is composed of the Airzone system controller, Blueface controller, and integration gateway.

The Comfort System™ Z-2000™ is a commercial zone control system allowing a single HVAC unit to have up to 20 individual zones.

Zonex manufactures simple, easy to install commercial zoning and control systems, notes the company. Zonex offers applications assistance, submittal packages and job quotes via its Quick Quote site.