The new one is designed for the new coil. It also provides the correct
blower for proper airflow requirements. It's an ARI matched system. It will
likely give you a better warranty, efficiency and performance.
If you know anything, you know that it's hard enough to find a company to do
quality work, now find one that will do it right on a multi-branded install!
One factor along with that, what if there is a problem next summer? If the
system is not matched, there may be questions as to the cause and it is easy
enough for the contractor to blame the old equipment and you pay in the end.
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