What type hot air heat would be best for my 175 year old house? I must replace my oil hot air furnace immediately. I will be using the ducting in my house now. I want to put in A/C, also.
Natural gas is not available. Propane is a possibility, but I hear it does not produce as much heat as oil, although I know a gas furnace is more efficient than oil.
I am looking at:
1. a plenum system like the one I have now - burner heated hot air ( very dry). Might need a humidifier. The only problem is our water corroded our last one(s), even though I have a Culligan water treatment system.
2. a hydronic system of hot air heat - a boiler with hot water pipes to heat air blown across them. The air is not so dry, but the cost is far more than the other system.
I have been told by every local heating business that a geothermal heat pump system would not work because old houses leak too much air; so apparently, that's out. And, heat pumps would need a back up heating system in my area. As for climate, I am located near the ocean and near NYC.
Do I pay more for the expensive hydronic system or go with the less expensive traditional plenum system?