Quote:
Originally Posted by creaturecat
gas heat without outside venting is a recipe for disaster.
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Not true anymore.
The ventless units are very good and proven reliable - that said I'd NEVER operate one without good CO detectors. Common sense.
The biggest complaints I've heard are from folks using them in very tightly insulated spaces and ending up with condensation (one of the byproducts of propane combustion is water vapor - more so when the combustion is complete/clean, such as with a ventless unit).
It's proven technology at this point but you need to use common sense too. They're also very, very efficient.