After comparing published specifications for models rated for 4,000 to 4,600 sq ft, we picked the Midea MAD50S1QWT-A 50 Pint as the lead. It pairs a 4,500 sq ft rating with Energy Star certification and a 33.6 pints (4.2 gal) tank, which means fewer trips to empty the bucket in a large space.
Product data updated November 3, 2026
This guide ranks picks on maker stated room size, pump availability, tank size, Energy Star status, and convenience features. No unit was handled; the ranking uses published specs only.
Quick picks
Situation
Choose
If you need a large tank and Energy Star certification
Specs are the figures each maker lists. "Not listed" means we have no published figure yet.
The picks
Winner
1
Best overall for 4,500 sq ft
Midea MAD50S1QWT-A 50 Pint
8.0Spec score
The Midea MAD50S1QWT-A 50 Pint leads because it matches the 4,500 sq ft rating and adds Energy Star certification plus a 33.6 pints (4.2 gal) tank, the largest stated tank here, shared with the Midea MAD50PS1QWT-A 50 Pint below. A built-in pump is not stated by the maker, so it relies on the bucket or its listed continuous draining.
Moisture removal
50 pints/day (rating basis not stated)
Rated area
4,500 sq ft
Tank
33.6 pints
Pump
Not listed
Rated noise
Not listed
Energy Star
Yes
Good
Rated for 4,500 sq ft
Energy Star certified
33.6 pints (4.2 gal) tank
Continuous draining and smart control
Watch out
Built-in pump not stated by the maker
41.5 pounds
Good fit if
Large open areas with a floor drain nearby
Households that want fewer bucket trips
Skip if
You need to pump water upward to a sink
You want a lighter unit to carry between floors
Verdict: A strong all around pick for large spaces when gravity drainage works.
The Midea MAD50PS1QWT-A 50 Pint keeps the same 33.6 pints (4.2 gal) tank as the top pick and adds a built-in pump, which helps when the drain point sits above the unit. Its listing does not state Energy Star certification, which the Midea MAD50S1QWT-A 50 Pint above carries.
Moisture removal
50 pints/day (rating basis not stated)
Rated area
4,500 sq ft
Tank
33.6 pints
Pump
Built-in
Rated noise
Not listed
Energy Star
Not listed
Good
Built-in pump
33.6 pints (4.2 gal) tank
Rated for 4,500 sq ft
Continuous draining and smart control
Watch out
Energy Star not stated by the maker
41.5 pounds
Good fit if
Basements with a sink or window drain above the unit
Spaces where a large tank and pump are both useful
Skip if
You want Energy Star certification
The drain point is below the unit and gravity works
Verdict: The pump and large tank make it a flexible choice for tricky drain setups.
The AEOCKY LEO 80 Pint combines a built-in pump, Energy Star certification, and a 4,500 sq ft rating in a narrower 8.6 inch wide cabinet. Its 11.6 pints (1.45 gal) tank is smaller than the two Midea picks above, so the bucket will need more frequent emptying.
Moisture removal
80 pints/day (rating basis not stated)
Rated area
4,500 sq ft
Tank
11.6 pints
Pump
Built-in
Rated noise
Not listed
Energy Star
Yes
Good
Built-in pump
Energy Star certified
Rated for 4,500 sq ft
Timer feature
Watch out
11.6 pints (1.45 gal) tank
Maker does not state the pint rating basis
Good fit if
Tight spots where width is limited
Homes that want pump drainage and Energy Star
Skip if
You want a large bucket
You want more listed features than a timer
Verdict: A compact pump equipped Energy Star option for 4,500 sq ft rooms.
The BLACK+DECKER BDM50PWCDA 50 Pint offers a built-in pump, Energy Star certification, and a 4,500 sq ft rating with a 12.7 pints (1.6 gal) tank. It sits below the AEOCKY LEO 80 Pint, whose cabinet is narrower at 8.6 inches, and above the Honeywell TPFIT50PWK 50 Pint, which is rated for 4,000 sq ft.
Moisture removal
50 pints/day (rating basis not stated)
Rated area
4,500 sq ft
Tank
12.7 pints
Pump
Built-in
Rated noise
Not listed
Energy Star
Yes
Good
Built-in pump
Energy Star certified
Rated for 4,500 sq ft
Digital display and water level indicator
Watch out
12.7 pints (1.6 gal) tank
42.1 pounds
Good fit if
Users who want pump drainage and a digital display
Residential spaces with a nearby drain
Skip if
You want a larger tank
You want automatic defrost listed
Verdict: A solid pump equipped Energy Star pick with clear controls.
The Honeywell TPFIT50PWK 50 Pint is rated for 4,000 sq ft, slightly below the 4,500 sq ft models above, but it includes a built-in pump, Energy Star certification, and a 15 pints (1.9 gal) tank. It also lists automatic defrost, which helps in cooler large spaces.
Moisture removal
50 pints/day (rating basis not stated)
Rated area
4,000 sq ft
Tank
15 pints
Pump
Built-in
Rated noise
Not listed
Energy Star
Yes
Good
Built-in pump
Energy Star certified
15 pints (1.9 gal) tank
Automatic defrost listed
Watch out
Rated for 4,000 sq ft, not 4,500
510 watts
Good fit if
Large spaces near 4,000 sq ft
Cooler basements where defrost is useful
Skip if
You need a full 4,500 sq ft rating
You want a tank larger than 15 pints (1.9 gal)
Verdict: A capable pump model for slightly smaller large spaces.
The Midea MAD50C1AWS-A 50 Pint matches the 4,500 sq ft rating and adds Energy Star certification with a 12.8 pints (1.6 gal) tank. A built-in pump is not stated by the maker, so it ranks below the pump equipped models above, but continuous draining and a digital display keep it practical.
Moisture removal
50 pints/day (rating basis not stated)
Rated area
4,500 sq ft
Tank
12.8 pints
Pump
Not listed
Rated noise
Not listed
Energy Star
Yes
Good
Energy Star certified
Rated for 4,500 sq ft
Continuous draining
Digital display and adjustable humidity control
Watch out
Built-in pump not stated by the maker
12.8 pints (1.6 gal) tank
Good fit if
Rooms with a floor drain below the unit
Buyers who want Energy Star and a drain hose option
Skip if
You need to move water upward
You want a large tank
Verdict: A straightforward Energy Star choice for gravity drain setups.
The LG DT501BKR0 50 Pint carries a 4,500 sq ft rating, Energy Star certification, and a 14.3 pints (1.8 gal) tank, larger than the Midea MAD50C1AWS-A 50 Pint above. It lists overheat protection, adjustable humidity control and continuous draining at 480 watts.
Moisture removal
50 pints/day (rating basis not stated)
Rated area
4,500 sq ft
Tank
14.3 pints
Pump
Not listed
Rated noise
Not listed
Energy Star
Yes
Good
Energy Star certified
Rated for 4,500 sq ft
Adjustable humidity control listed
Overheat protection listed
Watch out
Built-in pump not stated by the maker
14.3 pints (1.8 gal) tank
Good fit if
Large rooms with a floor drain for continuous draining
Buyers who want adjustable humidity control
Skip if
You need pump drainage
You want a larger tank
Verdict: A well-equipped Energy Star pick for large rooms with a nearby drain.
The Frigidaire FFAD3533W1 35 Pint is rated for 4,500 sq ft and has Energy Star certification plus a 16.9 pints (2.11 gal) tank. It ranks below the LG DT501BKR0 50 Pint because its listing names only manual control.
Moisture removal
35 pints/day (rating basis not stated)
Rated area
4,500 sq ft
Tank
16.9 pints
Pump
Not listed
Rated noise
Not listed
Energy Star
Yes
Good
Energy Star certified
Rated for 4,500 sq ft
16.9 pints (2.11 gal) tank
Watch out
Controls listed only as manual
Built-in pump not stated by the maker
Good fit if
Buyers who want a large bucket and simple operation
Spaces where emptying the bucket by hand is fine
Skip if
You want digital controls
You need pump drainage
Verdict: A simple large bucket Energy Star option for 4,500 sq ft rooms.
The Aprilaire E080 80 Pint is rated for 4,400 sq ft and includes Energy Star certification, automatic defrost, automatic restart, adjustable humidity control and anti-spill. It does not state a tank size or a continuous drain option.
Moisture removal
80 pints/day (rating basis not stated)
Rated area
4,400 sq ft
Tank
Not listed
Pump
Not listed
Rated noise
Not listed
Energy Star
Yes
Good
Energy Star certified
Rated for 4,400 sq ft
Automatic defrost and restart listed
Adjustable humidity control and anti-spill listed
Watch out
No tank size listed
Rated for 4,400 sq ft, not 4,500
Good fit if
Cool basements or crawl spaces
Buyers who want automatic restart after a power outage
Skip if
You want a stated tank size
You need a full 4,500 sq ft rating
Verdict: An automatic defrost pick for cooler large spaces.
The BLACK+DECKER BDM50WCDA 50 Pint matches the 4,500 sq ft rating and Energy Star certification with a 12.7 pints (1.6 gal) tank. It ranks last because a pump is not stated by the maker and its tank is smaller than the Frigidaire above, but it still covers the basics.
Moisture removal
50 pints/day (rating basis not stated)
Rated area
4,500 sq ft
Tank
12.7 pints
Pump
Not listed
Rated noise
Not listed
Energy Star
Yes
Good
Energy Star certified
Rated for 4,500 sq ft
Digital display and water level indicator
Watch out
Built-in pump not stated by the maker
12.7 pints (1.6 gal) tank
Good fit if
Rooms where a water level indicator helps with bucket emptying
Buyers who want Energy Star and digital controls
Skip if
You need a pump
You want a tank larger than 12.7 pints (1.6 gal)
Verdict: A capable no frills Energy Star pick for 4,500 sq ft spaces.
The spec score is based only on the specifications stated in each product's title on the store. It is not a hands-on rating, and it does not say whether a model suits your room.
What counts
Weight
Moisture removal (pints per day)
5
Rated area (sq ft)
2
Energy Star certified
2
Built-in pump
1
Each stated figure is compared with the best one among the models on this page, so the strongest model on a figure earns its full weight. A pump or an Energy Star rating counts when the title states it and counts as zero when it does not. A figure the title does not state is left out of the sum. A model needs at least two stated figures to get a score, and a page shows scores only when every model on it has one.
How we picked
We compared the published specifications for every candidate rated for 4,000 to 4,600 sq ft. Ranking used maker stated room size, pump availability, tank size, Energy Star status, and listed convenience features. No unit was handled, used, or measured; the picks come from maker spec sheets and the site's catalog.
When two models tied on the key specs, the one stating more specifications ranked higher. Pint ratings were not used to compare capacity because the makers do not state a common rating basis.
Room size rating and why it matters for 4,500 sq ft
Dehumidifier makers list a room size rating in square feet. For a 4,500 sq ft space, look for a model rated for 4,000 to 4,600 sq ft. ENERGY STAR says the capacity you need depends on the size of the space and how damp it is, and that it is better to oversize than undersize. The pint rating vs room size guide explains how capacity relates to area.
Built-in pump or gravity drain
A built-in pump pushes collected water upward to a sink, window, or distant drain. Gravity draining only works when the drain point sits below the unit's drain port. In many basements, the floor drain is at the same level or lower, so gravity works; in a finished space with no floor drain, a pump may be the only practical option. See when a built-in condensate pump is worth it.
Tank size and continuous draining
Tank size determines how often you empty the bucket. The picks list tanks from 11.6 pints (1.45 gal) to 33.6 pints (4.2 gal). A larger tank means fewer trips, but continuous draining removes the chore entirely. Several picks, such as the Midea MAD50C1AWS-A 50 Pint and the LG DT501BKR0 50 Pint, list continuous draining; check that the hose can reach a floor drain or sump. The bucket vs continuous drain for basements guide covers the trade off.
Energy Star and efficiency
ENERGY STAR says a certified dehumidifier removes as much moisture as a similar conventional unit while using about 20 percent less energy. In a large space that runs for many hours, that difference adds up. Not every pick carries the label, so we note it in the pros and cons.
Placement and cool spaces
Keep doors and windows closed while the unit runs. ENERGY STAR notes that most portable units discharge air from the top and can sit against a wall; a unit without top discharge needs space from walls and furniture so air can circulate. Cooler spaces below 65°F may trigger defrost cycles, so automatic defrost is useful. See airflow and clearance around a dehumidifier.
Look for a model rated for 4,000 to 4,600 sq ft. The room size rating on the spec sheet is the maker's guidance for that area. For damp or wet conditions, choose a unit at the higher end of that range and use continuous drainage.
Is a built-in pump necessary for a large space?
Only if the drain point sits above the unit. Gravity draining works when the hose can slope downward to a floor drain or sump. A pump is useful for finished basements without a floor drain or for routing water to a sink.
How often does the tank need emptying?
It depends on the tank size and the room's humidity. A 33.6 pints (4.2 gal) tank lasts longer than an 11.6 pints (1.45 gal) tank. Continuous draining removes the need to empty.
Can one dehumidifier handle a whole 4,500 sq ft home?
Only if the space is open enough for air to circulate. Closed doors and separate floors block airflow, so one unit may leave distant rooms damp.
What humidity level should be set?
ENERGY STAR and the EPA suggest keeping indoor relative humidity between 30 and 50 percent. In colder climates during heating season, 30 to 40 percent helps avoid window condensation. Use the built-in humidistat and check it with a separate hygrometer if needed.
