hybrid

Hi everyone, Long time, first time :) This is about upgrading an <80% LP gas furnace and AC to a 92+ and heat pump (HP). One of my current LP furnaces needs replacing soon, so work is inevitable. Designing an upgrade. Two systems, dual fuel/hybrid-- Propane furnace coupled to a heat pump...

(short lead in... had an addition build a couple years back and a Rheem ECO200 9.5 GPM tankless unit installed - addition is 1 bth, kitchen and laundry - with the anticipation of tying it into the main section at some point) Question: what is the best practice to do so? Would it be best to run...

Hi! I'm currently planning a repipe of our home from a very shoddy T&B setup to a newer pex setup (poor piping and poor design. If I turn on a cold tap ANYWHERE in the home, someone showering in the master bath at the end of the trunk loses ALL hot water.) We live in a tri-level where I can...

Hola... Paging through the forum it looks like series vs. parallel has been pretty well flogged to death, but I'm looking at something a little different. I have a split system in which most of my house is serviced by a traditional tank heater, and the master bath by a tankless. I recently...