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Whole House Dehumidifiers
In summer, humid outdoor air and everyday activities like cooking and showering raise the moisture level indoors. A whole house dehumidifier (also called a central dehumidifier or duct-mounted dehumidifier) is a unit that installs into your ductwork and pulls excess moisture from the air throughout your entire home. It protects your home, improves your air quality, and can lower your summer cooling costs.
Additional Benefits of Using a Whole House Dehumidifier
Pulling out moisture is just the start. Because a whole house dehumidifier circulates air through your ductwork on its own schedule, it keeps working on mild days when your cooling system barely runs, easing the load on your air conditioner at the same time. That steady run time is what makes the features below worth having, since each one only does its job while air is moving through the unit. Which of them you get depends on the model, and we can walk you through the options.
Comparing Dehumidifier Capacity
Dehumidifier capacity is measured in pints per day (PPD), the amount of moisture a unit can pull from your air in 24 hours. The right capacity depends on your home's size, your basement or crawl space, and how humid your climate gets. Use this comparison to match a tier to your home.
| System Tier | Home Size | Capacity (PPD) | Who It Is For | What You Get |
|---|---|---|---|---|
| Standard | Up to 2,500 sq ft | 65 to 70 | Targeted basement or crawl space moisture control. | Reliable, quiet moisture removal with compact mounting. |
| Advanced | 2,500 to 4,000 sq ft | 90 to 100 | Whole-home humidity across multiple floors. | High capacity and energy-efficient performance. |
| Premium | 4,000+ sq ft | 130+ | Open floor plans or humid coastal climates. | Maximum removal, optional fresh air ventilation, and variable-speed fan control. |
But Can't I Just Use a Portable Dehumidifier?
A portable dehumidifier can take the edge off a single damp room, which makes it a reasonable stopgap for one problem area. But portable units lack the capacity to dry out a basement, a crawl space, and the living space above them all at once.
| Portable Room Unit | Whole House System | |
|---|---|---|
| Coverage | One room at a time. | Every room, through your return ductwork. |
| Draining | You empty a heavy water bucket by hand, often daily. | Drains itself automatically to a floor drain or condensate pump. |
| Placement | Sits out in the room, taking up living space. | Installed at your ductwork, completely out of sight. |
| Noise | Runs in the room with you, which can be distracting in a bedroom. | Runs quietly with your HVAC system, away from living areas. |
| Energy Use | Uses more electricity for every pint of moisture it removes. | More efficient per pint, and drier air lets you raise the thermostat. |
| Control | A dial or basic setting on the unit itself. | A dehumidistat that holds your whole home at a set humidity level. |
| Upkeep | Regular bucket and filter cleaning to keep it sanitary. | An air filter checked once or twice a year. |
Professional Sizing, Installation, and Maintenance
The right installation and a little upkeep keep your dehumidifier working efficiently for years. You can also pair it with a smart thermostat to manage temperature and humidity together.
Sizing
We come out, assess your home, and size the unit to your space and climate.
Ducting
We connect the unit to your return ductwork, often pulling air from the dampest lower levels first.
Drain
We run a gravity drain line or condensate pump so the water leaves on its own.
Controls
We install a digital dehumidistat so you can set a target humidity, usually around 45 to 50 percent.
Startup
We set your target level, test everything, and show you how it works.
Once it is running, upkeep is simple. Check and clean or replace the air filter every 6 to 12 months to protect the coils and keep air moving freely.
To keep your dehumidifier and whole HVAC system functioning properly and efficiently without interruptions, contact Carrier Test Dealer - DS in Libertyville, IL to schedule regular maintenance today.
Schedule Maintenance Service Today
Is a Whole House Dehumidifier Right for Your Home?
Too much indoor humidity affects more than comfort. It shows up in your cooling bills, your health, and your home itself. If any of these sound familiar, a whole house dehumidifier can help.
Sticky Air and High Cooling Bills
Dry air feels cooler than humid air at the same temperature. Pull out the excess moisture and you can set the thermostat a few degrees higher and stay just as comfortable, which cuts how hard your air conditioner has to work.
Mold and Dust Mite Allergies
Mold and dust mites thrive when humidity climbs above 50 percent. Keeping your indoor humidity in the 30 to 50 percent range helps stop them from taking hold, which can bring real relief if allergies or asthma are a problem in your home.
Musty Basement or Crawl Space
Those damp, earthy smells usually come from a basement or crawl space, where moisture builds up and lingers. A central dehumidifier keeps the air moving and the moisture down, so those areas stay fresher year-round.
Window Condensation and Warped Wood
When there is too much moisture in the air, it collects on windows and soaks into wood. Pulling that moisture out helps prevent foggy windows, warped trim and doors, and swollen cabinets.
If that describes your home, a whole house dehumidifier is worth a closer look. Carrier Test Dealer - DS can measure your home's humidity and recommend the right unit for your space.
Frequently Asked Questions
Carrier Dehumidifier Product Offering
Performance™ Whole-Home DehumidifierView Brochure |
|---|
| Model Family: DEHXX |
| Capacity: Up to 100 Pints/Day (12.5 Gal./Day) |
| Sound Level: Quiet operation |
| Energy Star Certified: ENERGY STAR® |
| Warranty: 5-Year Parts Limited Warranty |
Manufacturer's Stated Benefits:
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