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Hello, I am new here but wanted some expect opinions & options regarding replacing a Weil - McLain boiler w/ indirect tank same brand that is 23 years old but in fairly good condition. Propane is used to heat the boiler & used to heat bottom concrete flooring ( 4,200 sq ft ) with 4-5 zones . My wife & I are currently under contract for this log home in Colorado area 7,200 elevation. This home is going to be our retirement home & plan on stay & living there year round . I’ve educated myself concerning radiant heating systems & new technologies concerning ECM technology pumps which can drastically reduce energy use & newer condensing boilers , ie HTP, Lochinver Knight, Navien etc etc . However I find many different t opinions & views on which system is the most 1. Reliable, 2. Low maintenance, 3 cost effective & 4 reliable customer service.
The original boiler can probably last longer but is cast iron boiler , older recirculating pumps that are properly not efficient running w/ higher watts etc etc.
I just want to make a wise decision & need some professional & experienced feedback .