Need to warm up your goose pit, camper, or ice shack? The Coleman BlackCat portable catalytic heater runs for up to eight hours at 3,000 BTUs from one 16-ounce disposable propane cylinder. It is flameless, surprisingly quiet, and has electronic ignition. The heater weighs only 3.7 pounds and costs $54.99. 800-835-3278; www.coleman.com.
Peter B Mathiesen