With all cooling and heating functions in a single cabinet, the Platinum ZM Hybrid Comfort System is easy to install and service. It features an exclusive Spine Fin Coil™ and two-stage Duration™ compressor, allowing it to run at the best capacity, every day. As the most efficient dual-fuel system on the market, with ratings of up to 16 SEER, this packaged system gives customers greater control over energy costs, with up to four stages of heating and two fuel choices.

American Standard Heating & Air Conditioning, 6200 Troup Hwy., Tyler, TX 75707; 903-581-3300; 903-581-9070 (fax); www.americanstandardair.com