4500 Sq.ft Energy Star Dehumidifier for Home Basement - Quiet, Large

In this review of the 4500 Sq.ft Energy Star Dehumidifier for Home Basement, the bottom line is simple: this unit is designed for people who need reliable, energy-efficient moisture control in large spaces. Its single biggest selling point is the combination of an Energy Star certified compressor and a large 52 pint capacity tank that removes significant moisture while using less power, making it especially useful for basements, garages, and open living areas where continuous dehumidification matters.

Key Features

• Energy Star Efficiency: Certified efficiency reduces energy use by up to 45% compared with non-certified models, which helps lower running costs in long-term use.
• High Capacity: The 52 pint maximum dehumidification and a 2.5 L manual tank make it suitable for large areas up to 4500 sq.ft, pulling substantial water from damp basements or storage rooms.
• Intelligent Humidity Control: A smart control chip dynamically detects humidity and automatically pauses and restarts to maintain the target level, saving energy and avoiding over-drying.
• Quiet Operation: Designed with a modern compressor and low-noise fan, the lowest speed runs around 40 dB, so it operates like white noise and stays unobtrusive.
• Flexible Drainage: Use the removable 2.5 L water tank for manual draining or connect the included 6.56 ft/2m drain hose for continuous automatic drainage.
• Portable Design: Four castors and side handles make it easy to move between rooms, and a removable filter keeps air fresh with simple cleaning.

Who It's For

This dehumidifier is best for homeowners with large, moisture-prone spaces such as finished basements, large garages, open-plan living areas, and utility rooms up to about 4500 sq.ft. It also suits people who run a dehumidifier for extended periods and want the savings and reassurance of an Energy Star rated unit.

It may be less appropriate for tiny rooms or single closets where a smaller, more compact unit would be more economical and easier to store. If absolute silence is required for a bedroom at night, consider the placement and fan speed, since higher settings still run louder than the lowest setting.

Pros & Cons

Pros

• Energy Star certification with noticeable energy savings during continuous use.
• Large 52 pint capacity and either manual tank or automatic hose drainage for flexible operation.
• Smart humidity control and power-off memory make it convenient for long-term, unattended use.
• Quiet at low speeds and compact interior design that saves space compared with older piston compressors.

Cons

• At the highest fan settings the unit is louder than its lowest speed, so placement matters for noise-sensitive rooms.
• The 2.5 L bucket must be emptied when used without the hose, which adds routine maintenance compared with condensate pump systems.

Specifications

Coverage	Up to 4500 sq.ft
Max Dehumidification	52 pint/day (95F, 95% RH)
Tank Capacity	2.5 L (manual)
Drain Hose	Included 6.56 ft / 2 m hose
Modes	DEHU, DRY, CONT
Noise	Lowest fan speed ~40 dB
Special Features	Energy Star, auto defrost, power-off memory

Our Verdict

The Glowells 4500 sq.ft Energy Star dehumidifier is a practical choice for larger rooms and basements where continuous moisture control and energy savings matter. With a large 52 pint capacity, smart humidity control, and quiet low-speed operation, it delivers strong value for homeowners who need reliable, low-cost dehumidification over long periods.

Frequently Asked Questions

Can I use continuous drainage with this unit?
Yes. The unit supports automatic drainage using the included 6.56 ft / 2 m hose for unattended operation.

What happens during power outages?
The dehumidifier has a power-off memory function that allows it to resume previous settings automatically after power is restored when used with a smart socket.

Does it prevent icing in cold conditions?
Yes. The dehumidifier includes an auto defrost feature that waits for defrost to complete before resuming operation to avoid icing problems.