The Funster
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- Joined
- Aug 27, 2011
- Messages
- 2,949
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I worked for an HVAC contractor for over 30 years and now work for an HVAC wholesaler. I don't sell the Navien but it seems to be the best of the bunch right now. Personally, I would stay away from them. They seem to have an effective lifetime (around 10 years) which is short for such a steep investment. You can go with a standard size high efficiency boiler and have much better reliability, IMO.