Yes, an 80-100,000 BTU/hr boiler would be complete overkill for a 1000' house, unless it has single pane glass, no wall or attic insulation and is located in Fairbanks, AK.
o assess what really makes sense it helps to know your location (got a ZIP code?), ers electric boilers would be substantially cheaper than oil. In most locations propane would be more expensive than #2 oil. Since all utility markets are local, it's important to look up the local pricing (and pricing trends) when trying to come to a decision.
What is meant by "...with my tank...........
lol i live in Canada, Ontario. Winter is very bad sometimes, -20. My boiler uses a gsw water heater storage tank, rated 35000 btu-hr, has the duct work. If i could buy the Abrams, i still wouldnt pay them 14k for the Bosch setup. Thats what my heat supplier offered, or a slant fin for 10k after tax, maybe that ones better?
another contractor offered 7k for Navien combination setup, or slightly less for 6800 and i keep the tank, errr water heater tank.
I googled these deals, seems 5k is average price for new boiler install. Or maybe Im wrong, not cheap but wrong?