TIA UMC 001-18, 002-18, 003-18, and 004-18 revise UMC Chapter 2, Chapter 11, and Appendix E to update ASHRAE extracts to the latest editions of the ASHRAE 15, ASHRAE 34, ASHRAE 62.2, and ASHRAE 90.1 standards.

Frank Webb Home reflects fuller home product offering.

Recirculation system that delivers hot water to every faucet, saves a family of five about 15,000 gallons of water a year from being dumped into the drain, saves on sewage fees and helps save the environment.