Vented Vs Ventless Gas Heaters

They re inexpensive can be located almost anywhere in a house don t require an expensive vent pipe or much in the way of.

Vented vs ventless gas heaters.

A vented gas fireplace uses more gas to create. Ambiance vented gas logs. Vent free gas heaters are available in two basic types. A ventless garage heater is a heater that does not need any form of ventilation for its operation.

Vented gas fireplaces use a high temperature glass panel to separate the burning area of the gas fireplace from the inside of your home. Vented garage heaters usually use some form of an exterior duct usually through the roof or a wall outside the house or building. Why use a ventless garage heater. Garage heaters that do not use a vent have certain benefits over vented heaters.

They heat radiating heat to objects or people in the room rather than by heating the air itself. If you re more concerned about ambiance and aesthetics than heat then a vented gas log set is the best choice for you. Consumer reports nov 1998 issue did a small story on their testing of vent free appliances. According to the hearth association ventless fireplaces boast efficiency rates of 99 percent compared to 70 85 percent for vented units.

Gas fireplaces come in two configurations. 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. 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.

Infrared vent free heaters use gas to heat ceramic panels that radiate heat like the sun. The international fuel gas code the uniform mechanical code as well as nfpa 54 all allow ventless heaters with certain restrictions and requirements. Ventless logs do not put off these emissions so no chimney or flue is needed and the heat is more likely to stay in your space. Some jurisdictions have amended these codes so as to prohibit ventless room heaters in residences.

This contrasts with a ventless gas fireplace which vents into your home. Ventless gas heaters sound like a good deal at first blush. Based on their findings they conclude our tests confirm that these heaters contribute significantly to indoor air pollution. 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.

If you are planning to buy a gas fireplace a vented model should be your first choice.