Vented Vs Ventless Gas Heaters

The international fuel gas code the uniform mechanical code as well as nfpa 54 all allow ventless heaters with certain restrictions and requirements.

Vented vs ventless gas heaters.

This contrasts with a ventless gas fireplace which vents into your home. They heat radiating heat to objects or people in the room rather than by heating the air itself. A vented gas fireplace uses more gas to create. Vented garage heaters usually use some form of an exterior duct usually through the roof or a wall outside the house or building.

Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue. Blue flame or infrared. Garage heaters that do not use a vent have certain benefits over vented heaters. If you re more concerned about ambiance and aesthetics than heat then a vented gas log set is the best choice for you.

Ventless fireplaces are more energy efficient than vented fireplaces because no heat escapes up the flue so you ll save money on gas utility bills. Both are extremely efficient typically more than 99 percent using the about the same amount of gas to produce the same amount of overall heat. So your direct vent gas fireplace will take air in from the outside and then exhaust all the gases to the outside. A custom ventless fireplace ranges between 2 500 4 000 versus 5 000 6 000 for a vented unit faust says.

According to the hearth association ventless fireplaces boast efficiency rates of 99 percent compared to 70 85 percent for vented units. Ventless gas heaters sound like a good deal at first blush. Ambiance vented gas logs. Why use a ventless garage heater.

Gas fireplaces come in two configurations. Based on their findings they conclude our tests confirm that these heaters contribute significantly to indoor air pollution. They re inexpensive can be located almost anywhere in a house don t require an expensive vent pipe or much in the way of. Consumer reports nov 1998 issue did a small story on their testing of vent free appliances.

If you are planning to buy a gas fireplace a vented model should be your first choice. Infrared vent free heaters use gas to heat ceramic panels that radiate heat like the sun. Vented gas fireplaces use a high temperature glass panel to separate the burning area of the gas fireplace from the inside of your home. Vent free gas heaters are available in two basic types.

Vented gas logs offer a full authentic looking flame presentation with plenty of ambiance while ventless gas logs provide a reliable and efficient heating source.