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QUESTION:Now that natural gas prices in my area (northeast Ohio) are going through
the roof, I'm considering replacing my old (40 years at least) Moncrief. I'm
seriously considering either an Armstrong SX80 or SX90. Any comments?
ANSWER: We've just started doing more with Armstrong. The SX models are being
replaced with a newer design, mostly cosmetic. I really like the SX80E
if you go 80%. It has the option of sealed combustion, meaning you can
bring in outside air just like on the 90% models. Also has 2 stage heat,
a real comfort feature. The SX90 is on the order of the Lennox G26 but
has industry standard Honeywell controls, not Lennox proprietary, and
has a stainless steel primary heat exchanger where the Lennox has an
aluminized type. 5 year parts warranty is standard. Make sure it is
sized & installed properly. Also, if a chimney is involved, it probably
will need a metal liner kit.
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