Because a ventless fireplace does not have a fresh air intake vent the fire burns the oxygen in the room.
Vent free propane fireplace safety.
Nachi recommends having the unit inspected before use.
Vent free gas fireplace units have also been known to emit water vapor over time.
There are propane and gas models available.
It has an oxygen depletion sensor as an auto safety shut off feature in case of overheating.
The first factor in how safe a heater that is ventless is the gas you use for it.
A few days ago i ran across an article about gas fireplaces on bob vila s website.
Vent free technology once considered controversial has now won wide acceptance wrote merv kaufman.
Naturally i wanted to read their take on vent free gas fireplaces sometimes called ventless unvented or just plain stupid.
They just want to sell you something that s more expensive and inefficient.
Ventless fireplace health risks.
Propane has been a good way to heat many homes for a lot of years now but the safety precautions you need to take when using it should be always practiced.
The dept of energy rates a vented log set or fireplace as decorative gas appliance.
Vent free gas log sets and fireplaces are totally safe.
Safety is an essential factor in vent free heaters and this dyna glo is made to be as safe as it gets.
For starters you may start to see your wall paper peel.
If the oxygen drops to an unhealthy low the oxygen detector will shut off the fireplace.
Vent free is rated as a decorative supplemental gas heating appliance.
Ventless gas fireplaces are deemed to operate within the range of safety for cycling combusted gasses back into the home s interior.
By contrast vented gas fireplaces which create a dangerously high amount of combustion vent to the outside.
In theory a gas fireplace without a vent should be safe because of how propane gas burns and there are no worrisome flames and extreme heat around your kids and pets.
Vent free propane gas log sets these units are actually considered vent free heaters and have similar features including a safety shut off room oxygen sensor and nearly 100 percent heating efficiency.
Although most vent free manufacturers install an oxygen detection sensor designed to automatically shut the fireplace down if oxygen levels in the home become too low your family s health and safety are riding on that sensor working.
Its spent gasses are not returned to the home.