Question by trentrockport: Are there any Natural Gas Tankless Water Heaters that don’t require a Stainless Steel Exhaust?
I need to replace my water heater and am considering a tankless model. My greatest concern is that they all require special all-stainless steel exhaust ventilation. Not only is this impractical for my installation environment, but it suggests that the appliance generates so much waste heat that it’s not so energy efficient after all. Are there any natural gas tankless water heaters that can use an existing galvanized steel exhaust vent?
Answer by Tim E
The only ones I know of are the outside versions. That’s what I went with when I bought mine. Unless you live in an extremely cold climate this can be a good option. I’ve had mine for years now with just a little heat strip wrapped around the piping that I plug in during the winter months to protect it against freezing up.
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