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I'll be leaving oil behind along with an electric water heater. I hope NG stays cheap. I'll be having a gas conversion burner and IWH installed sometime before next winter.
I did not consider a condensing water heater. To be truthful I didn't know they existed. Since you are side tracking the flue gasses I bet you will need to power vent. The indirect uses the boiler to heat the tank of water. The tank is super insulated so there is very little standby losses.
I did not consider a condensing water heater. To be truthful I didn't know they existed. Since you are side tracking the flue gasses I bet you will need to power vent. The indirect uses the boiler to heat the tank of water. The tank is super insulated so there is very little standby losses.
Condensing heater units, whether for water or central air, are nice because they wring every last bit of heat out of the exhaust gas and require only PVC venting.
if I understand your original post you are planning to run both instantaneous and indirect (boiler) water heaters. I was suggesting the condensing unit as an alternative to the instantaneous. Instantaneous water heaters have their own set of problems.
Oh, condensing as in a condensing flue gas thingy. For me the question is tank vs no tank. You can get an incredibly well insulated tank but you're still sitting on a bunch of unstable btus better left in the fuel. With oil we have to have a tank because we can't run for 30 seconds and then shut down. I'm not a big fan of the tankless either when you look at how much a good unit is going to cost you. I wouldn't mind looking into the heat pump for the Summer so I could completely shut down the boiler but with NG this probably wouldn't pay.
So true. Our gas CO used to charge a small % of the bill for the service and the majority of the bill was the gas itself which they pass on to you at cost./ (BY law) Now more than half the bill is service charges and a small % is the cost of the gas. So when gas gets cheap your bill is still high.
You can thank de-regulation for that. Adding a 5% debt service + 12% profit expectation for F@##$#@#g utillity is not the way to lower prices for consumers.