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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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What is the advantage in having a variable speed horizontal

Customer Question

What is the advantage in having a variable speed horizontal air handler? Is there a performance/reliability difference between a Frigidaire FS4BE-036 3 ton 14 seer and a Ducane 3 1/2 ton 13 seer unit?
Submitted: 2 years ago.
Category: HVAC
Expert:  airheatman replied 2 years ago.
The variable speed air handelr is quieter and more energy efficient.The Figidare unit is only a 3 ton and the Ducane is a 3.5 ton. One of the other is incorrect size for the home. The 13 SEER is less efficient tha the 14 SEER.Ducane is probably a little better unit than the Fridgidare.