As fall and winter arrive in Florida, homeowners often assume humidity problems fade with the summer heat — but that’s not always true. Even during cooler months, our subtropical climate keeps moisture levels high, leading to excess indoor humidity, musty odors, and discomfort inside the home. That’s why now is the perfect time to consider a whole house dehumidifier.
A whole home dehumidifier works with your existing HVAC system to maintain balanced humidity throughout every room, improving air quality and helping your heating and cooling system run more efficiently. For Florida homeowners, especially along the coast, it’s a smart investment that protects against mold, allergens, and damage to furniture or drywall.
If you’ve noticed condensation on windows or a sticky feeling indoors even when the air conditioner isn’t running, it might be time to look into a whole house dehumidifier installation. Abbott Air Inc. offers expert solutions tailored to Florida’s unique climate — helping you stay comfortable year-round while keeping your home healthy and dry.
Florida homeowners know that controlling humidity is as important as controlling temperature — and the newest generation of whole-house dehumidifiers is built to do both efficiently and quietly. Below is a comparison of three top vendor offerings you can rely on in 2025: AprilAire (E-Series / E100), Champion (Momentum / whole-house line), and Honeywell Home (Resideo's new whole-home dehumidifier line — 65/90/120 PPD). Let's delve into each product and where they will makes sense, what to expect for whole-house dehumidifier cost and installation, and finish with a quick comparison chart.
Many homeowners assume humidity problems disappear once the air gets cooler — not in Florida. Even in fall and winter, our subtropical climate often keeps indoor relative humidity high, which can cause musty odors, mold growth, damage to wood and furniture, and discomfort even when the AC isn't running. Installing a whole-house dehumidifier provides consistent humidity control for every room (unlike a portable unit), improves indoor air quality, and can reduce wear on the HVAC system. For many homes, the investment in a whole-home dehumidifier pays back in improved comfort, fewer moisture repairs, and lower HVAC runtime. (See vendor specs below for capacity references.)
Why it stands out: AprilAire's E100 is positioned as a high-capacity, energy-efficient whole-house dehumidifier and is recognized as ENERGY STAR Most Efficient for 2025 — a significant distinction that places it among the top-performing units in its category. It's built for whole-home use (basements, sealed crawl spaces, or integrated duct systems) and can remove up to 100 pints per day — roughly 12.5 gallons — while emphasizing durability (corrosion-resistant aluminum coils) and serviceability. With an impressive Energy Factor of 2.35 L/kWh, this unit delivers exceptional efficiency that translates to meaningful energy savings over time.
Key technical specifications:
Where it makes sense to use:
Large single-family homes (3,000–5,500 sq ft) with persistent humidity, especially coastal properties that suffer salt-air moisture.
Homes with finished crawl spaces/basements where moisture control preserves flooring and wood structures.
Owners wanting a top-tier ENERGY STAR whole-house dehumidifier to reduce operating cost and market the green benefit for rental properties or listings.
Important note on product variants: The E100 comes in four configurations:
Pros & considerations:
Excellent energy efficiency (ENERGY STAR Most Efficient for 2025) — useful when homeowners ask "what is the whole-house dehumidifier cost versus long-term savings." The Energy Factor of 2.35 L/kWh provides a concrete metric for comparing efficiency across models.
Bucket-free operation is standard (hard-plumbed drain); note that the standard E100 does not include drain hose (E100C model does).
Installation in tight spaces requires a professional familiar with duct integration and condensate routing; the compact dimensions (14"×15"×26") make it suitable for many utility closets and mechanical rooms.
Typical pricing & installation cost:
Whole-house dehumidifier cost for an AprilAire E100 unit typically sits in the mid-to-high price range for pro-grade units, with total installed costs generally ranging from 3,000−3,000−4,000 (including labor and additional fees). Retail listings show OEM pricing that varies by dealer — expect the unit price plus installation. Whole-house dehumidifier installation cost in Florida (professional labor, duct adaptors, condensate routing) commonly ranges from several hundred to over a thousand dollars depending on complexity. (Get local quotes; I can pull dealer pricing if you want.)
Why it stands out:
Champion's whole-house dehumidifier line (offered in 70, 95 and 130 pint/day capacities) emphasizes an OEM-style product that integrates with air handlers and central systems — removing the hassle of portable trays while offering high capacity for very humid homes. Champion's messaging focuses on whole-home integration, quiet operation, and protecting the building envelope.
Where it makes sense to use:
Older homes being retrofitted with a central air handler where space is limited but high-capacity dehumidification is needed (e.g., multi-story coastal homes).
Rental portfolios and property managers who need reliable, low-maintenance moisture control across multiple units — a 70–130 pint range covers small to large homes.
Commercial-lite use like small restaurants or offices where controlling humidity reduces condensation and mold risk.
Pros & considerations:
Multiple capacity options (70–130 pints) make sizing straightforward: choose the right whole-home dehumidifier capacity (70 pint / 100 pint / 130 pint) for the square footage and moisture load.
Simple integration with existing HVAC systems — typically a pro install with an air handler adapter.
Competitive pricing relative to some premium brands; good option if budget and flexibility are priorities.
Typical pricing & installation cost:
Manufacturer MSRP varies by model and dealer. Customers often see whole-house dehumidifier for sale ads with bundled install options. Installation cost depends on whether new duct takeoff and condensate lines are required; typical full installs in Florida commonly range from about 800–1,800+ depending on complexity and access.
Why it stands out: Resideo's Honeywell Home-branded whole-home dehumidifiers (announced as next-generation in 2025) are offered in 65, 90 and 120 pints per day and emphasize installation flexibility (tri-directional outlets), serviceability, ENERGY STAR certification on higher capacities, and built-in filtration features. The DR/"A" series targets pros and homeowners who want a modern, service-friendly product.
Where it makes sense to use:
Medium to large homes where a lower-capacity 65 PPD can handle moderate loads or 90/120 PPD for very humid homes.
Renovations and new construction where the tri-directional outlet and compact footprint make retrofit simpler.
Customers who want ENERGY STAR efficiency (selected models are ENERGY STAR certified) and strong dealer/after-sales support.
Pros & considerations:
Strong pro-level service features and standard filtration options — less time on site for routine maintenance.
Models designed for easy replacement of components and quick filter changes (helps reduce service calls).
As with all whole-home units, professional sizing is essential to pick the correct whole-home dehumidifier capacity and to estimate whole-house dehumidifier installation cost accurately.
Small/Moderate single-family home (1,500–2,500 sq ft) with coastal humidity: Honeywell Home 65 or 90 PPD — compact and easy to install in attics or utility closets.
Large coastal home or property manager portfolio (3,000+ sq ft) with high moisture loads: AprilAire E100 (100 PPD) or Champion 95–130 PPD models — higher capacity to handle salt-air and post-storm moisture.
Retrofit jobs with awkward ducting/space constraints: Honeywell Home (tri-directional outlet) for install flexibility; Champion if you want multiple capacity choices for exact load matching.
If you're asking "how much does a whole-home dehumidifier cost?" remember two components: the unit price (varies by brand & capacity) and the installation cost (adds labor, duct adaptors, condensate routing). Many homeowners see total installed costs in a range depending on home access and complexity — always get local quotes that include labor and any additional parts.
Look for ENERGY STAR whole-house dehumidifier models if operating cost is a concern — AprilAire and select Honeywell models carry ENERGY STAR recognition and can make a difference over the life of the unit. The AprilAire E100's Energy Factor of 2.35 L/kWh provides a concrete metric for comparing efficiency.
Ask your installer for a sizing calculation (capacity vs. square footage & moisture load) — an oversized or undersized unit will underperform or waste energy. Sizing determines whether you need a 70 pint, 100 pint, or 120 pint solution. Consider the operating temperature range (the AprilAire E100 requires temperatures of 50°F and above) and sound levels (the AprilAire E100 operates at up to 42 dB) when selecting your unit.
For Florida homeowners, remember that humidity control is a year-round necessity — not just a summer concern. Investing in the right whole-house dehumidifier can protect your home, improve indoor air quality, and enhance your comfort throughout the year.
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