| A gas wall heater is one of several choices for | | | | Ventless heaters rely existing room air for |
| the consumer looking for a small room heating | | | | combustion, which is then recirculated, warming |
| solution or a means of augmenting whole house | | | | the entire area. This can be an extremely efficient |
| heating with small, inexpensive additions. With a | | | | and cost-effective solution. Ventless heaters |
| little information, the consumer can select the gas | | | | retain the heated air within the room and are |
| wall heater that is right for their home and heating | | | | easier to install than vented varieties. Choosing a |
| needs. | | | | heater which features a gauge that monitors gas |
| Wall heaters can work by convection or by | | | | levels and an auto- shut off feature helps avoid |
| radiant heat. Convection heat warms the air as it | | | | the potentially tragic consequences of an |
| rises and circulates through the room. Convection | | | | undetected leak. |
| heaters frequently heat the room slowly, but | | | | Vented heaters work by drawing outside air |
| they are quiet and some convection heaters | | | | through an installed pipe. Any fumes, toxins or |
| function effectively without a blower unit, making | | | | by-products created by the heating process are |
| them safe for homes with small children. Radiant | | | | drawn out through the vent and dissipated |
| heaters use infrared radiation to heat a ceramic | | | | externally. Vented heaters require installation of |
| panel installed in the unit, which then reflect heat | | | | the venting ductwork and can be more expensive |
| outward from the super-heated panel. | | | | to purchase and set up than ventless units. |