What a SEER Rating Actually Buys You
SEER2 measures cooling efficiency, the minimum depends on where you live, and the payback on a higher number depends on how many hours you actually run the thing.
Home & Living
HVAC & Heating
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Heat Pump vs Central Air — Which One Suits Your House
A heat pump is an air conditioner that also runs backwards. The choice comes down to your climate, what you heat with now, and whether you already have ducts.
Repair or Replace? How to Decide on an Ageing Air Conditioner
Age, refrigerant type and the size of the repair relative to a new system decide this, and one of those three usually settles it on its own.