You forget the name brand on the unit, and you go with the contractor that
is going to do the best job, and that includes, not just looking at your
unit that you have now, and pricing out the same size stuff, but someone
that does the calculations to insure that the system was sized correctly
from the start, that will insure all permits are pulled, and inspections
performed, and I can promise the best system wont be the lowest bid.
Carrier and Trane, just for the record, are NOT the best systems on the
If installed by a hack, they can be the worst.
If installed by a competent installer, then they will perform as designed.
Personally, if I was looking at the best the market had, I would be looking
for a good York installer, and a Stealth TS, and a Diamond 95% Ultra...but
Further to this excellent advice, if the contractor sells name brands, as
many do, get the contractor's advice on your choice. We did this and it
really paid off. After 8-9 years, our furnace developed a problem with the
heat exchanger as discovered by the contractor that had installed it when he
was doing our annual cleaning and inspection.
It ended up that the furnace had to be replaced because the heat exchanger
was no longer being produced by the manufacturer. The manufacturer replaced
the furnace (no charge) and the contractor gave us a big discount on the
The same contractor had installed our AC (a York) and it has worked
flawlessly for more than 15 years where our neighbours had other brands and
they experienced trouble.
Just my two cents worth.
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