Quote:
Originally Posted by abogart
In order to do that I'd have to air seal the burner compartment (not very difficult) and make sure that the exhaust gas temp doesn't drop too low because it's an 80% AFUE non-condensing furnace. I feel better about using waste heat for things like that.
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I had a thread about doing that and it turned out to be unsafe. If you want direct vent you need to get a direct vent unit. Sorry. But, you can add a duct to bring fresh air right to the boiler (I also have a thread about this too) and you could temper that air. Not sure what it would gain you though.