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The myth

Humidifiers are sold next to dehumidifiers in every catalog, and every winter a homeowner somewhere in the territory asks Cook’s about adding one. Cook’s answer is nearly always no. Outdoor humidity in north Florida is high in every month; indoor humidity only dips for the few weeks the heat runs hard, and adding moisture to an air system that spends the rest of the year fighting it is an invitation to the coil and duct problems Cook’s spends summers fixing.

The product this territory needs is the other half of the category.

The problem a dehumidifier solves

A house that’s cool and still feels sticky. Windows that sweat. A musty smell after a weekend away. All of these are a house holding humidity above 60 percent, and the air conditioner isn’t getting it down because, on mild or rainy days, it isn’t running long enough to.

Older block homes around Orange Park and Palatka suffer from infiltration: humid air leaking in faster than the system removes it. Boom-era homes with oversized systems suffer from short cycling. Both end in the same clammy living room.

The equipment, generically

Whole-home dehumidifiers are ducted units, usually mounted near the air handler, that pull air from the return or the house, strip moisture across their own cold coil, and return it. They run on a humidistat, independent of the thermostat, so they work on the mild days when the air conditioner won’t. Capacity is rated in pints per day; a typical house in this territory needs a unit in the middle of the residential range, and Cook’s sizes it from the house’s volume, infiltration and the measured humidity. Lennox offers whole-home dehumidification that integrates with its systems; what Cook’s installs appears on your quote.

Portables are fine for one damp room; for a whole house they’re a bucket brigade.

Installation notes

The unit needs a location near the air handler, a drain (gravity or a condensate pump), a dedicated circuit, and short duct connections to the return. Attic installs are common in the territory and need a secondary pan and float switch. The humidistat is placed where it reads the living space, not a hallway. Startup confirms the unit cycles on humidity alone, with the thermostat satisfied.

Care

A filter cleaned or replaced on the schedule the manufacturer sets, the drain kept clear (the same algae that clogs an air handler drain clogs this one), and the coil checked at the house’s regular maintenance visit, which Cook’s includes for agreement customers. Manufacturer warranties are registered by Cook’s; ask for the labor term when you order. [[CONFIRM WITH JERRY]]

Humidity control questions

My skin and sinuses are dry in winter. Isn't that a humidifier case?

For a few weeks in January, when the heat runs, indoor humidity can dip. It recovers the moment the weather does. A portable room unit for those weeks is the sensible answer; a whole-home humidifier plumbed into a Florida air handler is a mold risk for the other eleven months.

What humidity should a Florida house hold?

Roughly 45 to 55 percent. Above 60 for sustained periods, dust mites and mold thrive and the house smells it. A whole-home dehumidifier holds the range when the air conditioner alone can’t.

Why can't the air conditioner do the job on its own?

On a hot day it does. On a mild, rainy day in June the thermostat is satisfied before the coil has run long enough to pull moisture out. That’s when a dehumidifier earns its keep, and it’s also why an oversized system makes the problem worse.

Does a dehumidifier raise my power bill?

It uses power, and it releases some heat the air conditioner then removes. Many owners offset it by running the thermostat two or three degrees warmer, because dry air at 77 feels better than damp air at 74.

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