Newby here.. tyring to decide on which OWB to buy, My neighbor has a Central, I know a man with a Hardy, and we have a dealer close by that sells Empyre.. I wonder if there is a rating chart I could look at before i purchase one? thanks!
Is there a reason you heat two 50 gallon tanks of hot water?
I looked for the same kind of comparison chart, report, website etc., but there was nothing. Each state has different regulations and if they require an EPA Phase 2 approved OWB, the OWB manufacturers must then volunteer to undergo the process. So its different depending on where you live and...got to love the government making our lives easier once again.
After doing all the research, I had a Portage & Main Optimizer 250 installed in December and couldn't be happier.
I decided on the P&M over a Central Boiler because there was less in the way of electronics. Since I sell electronics for a living and know how much they love hostile environments. The CB control panel is exposed to heat on one side, cold on the other, and is in direct sunlight etc..
The folks on this site will be helpful. Best of luck in the process.
I was swayed from the CB to the P&M for that same exact reason. There seems to be less than can go wrong with the Opt. 250 I do hear a lot of happy CB users though.
I don't think either is a bad choice, and should be on top of the OP's list
Regardless of brand, do a complete heat loss calc, figure out you specific needs for the system you wish to install, then size the boiler.
What is involved in doing heat loss calculations for a home? I hear lots of talk about it but never really hear it explained
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