Portable gas heaters are unflued models ... but need an open window or door so as to vent the noxious gases. If you are heating a small space, you might be better off looking at our electric heater ...

We earn a commission from partner links on Forbes Home. Commissions do not affect our editors' opinions or evaluations. Running out of hot water on a cold winter’s day can make you shiver.

Top picks for patio heaters Best overall: AmazonBasics Patio Heater - See at Amazon Best space-saving: Mr. Heater Buddy Patio ... as an energy source, natural gas heaters also exist, but they ...

For the eco-conscious, bioethanol is a good alternative to gas – it’s a renewable energy source that gives off a clean emission when burned. Bioethanol fireplaces emit heat that is similar to natural ...

If it was a wall-mounted heater, we grabbed our cordless drill to see how easy the process of installing was. If it was free-standing with an automatic shut-off ... use either gas or electricity ...

Plus, their temperature reading was regularly off by a few degrees ... 8,000 to 12,000 Btu per burner. Fuel type: Gas grills can run on propane, be hooked into your natural gas line, or both.

Bottom vent holes allow oxygen to the feed the fire from below while simultaneously channeling warm oxygen up between the walls of the stove and back into the fire. A MORE EFFICIENT BURN ...