I'm trying to get your knowledge for buying a backup machine. There is a guy who has a spitfire 4.0 with just over 1000 hrs. And another guy that has a banshee with just over 1300 hrs. Spitfire has heat exchangers the banshee has propane. The spitfire has a 45 blower the banshee has a 36 blower. What would you take for your backup? Thanks for all your help on my other posts.
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