Furnace Costs?

The furnace in my house is 16 years old. It is an oil-fired Sears 75000 btu forced hot air downflow furnace with a Becket burner. It was Sears top of the line unit when purchased in 1992. Note that this is a small house (approx 1000 sq feet), so 75000 btu is more than adequate.
I recently had the unit repaired, several internal parts had to be replaced. The repair person said I would need a new burner soon, perhaps in a couple of years. He said perhaps I should get a whole new furnace at that time, and that it would cost approximately $4000 installed. I am rather leery as to whether this is really needed, especially considering that the furnace has a lifetime warranty on the heat exchanger (I know, its next to impossible to collect!).
He did not say what it should cost to replace the burner but not the furnace. Can anyone give me a ballpark figure on that (including installation), as well as whether I really would need to replace the entire unit?
Thanks for your help.
--
Larry Weil
Lake Wobegone, NH
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for a house about 3X as large and cost was ~$5,000 which included variable speed fan. I suspect price quoted you is in the ball park.
Firebox was leaking and cost would have been prorated on a low end Lennox. I was glad to get rid of it because all repairmen had told me it was a low end unit. Don't know aobut Sears but I don't think of quality when I think of them.
Lennox only lasted 16 years and had replaced previous one - forget brand - that also lasted only 16 years. When that one went, it was a nightmare as whole house got smoked up and had to be cleaned.
Frank
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Get at least three companies to come out and give you a QUOTE (not an estimate). You could probably get by with a 57,000 BTU furnace but can't judge that over the internet.
Who installs it is more important than the brand, but DO get one that has a lifetime warranty on the heat exchanger. Acouple examples are Thermopride and Armstrong......

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If it is a 92%+ efficent condensing unit you have no reason to even consider replacement. But repairman all want to sell you a unit to make money when their work is slow.
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wrote:

If it is a 92%+ efficent condensing unit you have no reason to even consider replacement. But repairman all want to sell you a unit to make money when their work is slow.
I doubt very seriously that it is a condensing-type furnace. I'm guessing they are lucky if they are getting even 82% efficiency out of it. I agree that there are some companies out there that will try to get you to buy a new furnace when you really don't need one...
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Dr. Hardcrab wrote:

Where do you get 92% out of OP's post? He said it was installed in 1992.
16 years is awful short life for a furnace, IMHO. I have known several that made 35-45 years, including the 1960 furnace in this house, that I just replaced a year ago. Still worked fine, but burned a lot of gas. Crunched the numbers, and the payback period was around when I plan on selling, so I did it mainly to avoid scaring potential buyers with a by-then 50 year old furnace.
aem sends....
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wrote:

I was going to ask the same thing. I was NOT the one that said anything about 92%. It was the poster I was replying to. That's why I stated that I doubt that the OP has a condensing type furnace.

O.K. Now I will nit-pick. Look at the OP and you will see he said it was an oil furnace and not gas. But you are correct on a couple points:
16 years IS a short lifespan for a furnace. But when it comes to oil, hot air furnaces aren't much more efficient then they wer 30 years ago. There are a couple companies that make condensing oil furnaces, but they are pricey and then you are still only talking about MAYBE 87% efficiency.
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