Damp air leads to musty smells, condensation and, over time, mold. A dehumidifier pulls that moisture out, but the choice between sizes, pint ratings, pumps and desiccant models is confusing. This guide compares six options and explains what matters before you buy.
These picks are based on desk research of product listings and category buying criteria. We have not hands-on tested these dehumidifiers. Details marked "per listing" come from the seller's product title and are not independently verified.
- 6 products compared
- Research-based picks
- No paid placements
- Updated
Prime Day, October 6–7, 2026
Some picks on this page have Prime Day deal prices for these dates; the price shown for them is the dated deal price. Prime Day deals generally require an Amazon Prime membership.
Top picks at a glance
-
Best OverallPrime Day dealPick 1: AEOCKY 80-Pint Smart Compressor Dehumidifier (4,500 sq ft)
Large-space compressor pick
Buy on Amazon for AEOCKY 80-Pint Smart Compressor Dehumidifier (4,500 sq ft) (opens in a new tab, affiliate link) Why we picked it (AEOCKY 80-Pint Smart Compressor Dehumidifier (4,500 sq ft))About $212.47 was
$249.97on Amazon as of -
Best Mid-SizePrime Day dealPick 2: AEOCKY 50-Pint Compressor Dehumidifier (3,500 sq ft)
Mid-size compressor pick
Buy on Amazon for AEOCKY 50-Pint Compressor Dehumidifier (3,500 sq ft) (opens in a new tab, affiliate link) Why we picked it (AEOCKY 50-Pint Compressor Dehumidifier (3,500 sq ft))About $170.91 was
$229.99on Amazon as of -
Best With a PumpPrime Day dealPick 3: AEOCKY 80-Pint Dehumidifier with Pump (4,500 sq ft)
Pump drainage for basements
Buy on Amazon for AEOCKY 80-Pint Dehumidifier with Pump (4,500 sq ft) (opens in a new tab, affiliate link) Why we picked it (AEOCKY 80-Pint Dehumidifier with Pump (4,500 sq ft))About $229.46 was
$269.95on Amazon as of
Compare all 6 picks
Order reflects our current research-based ranking; see How We Rate for the criteria. Highlights are taken from seller listings and are not verified.
| Pick | Best for | Listing highlights (per listing, unverified) | Where to buy |
|---|---|---|---|
|
Basements and large open areas where you want continuous drainage and a set-and-forget humidistat. |
|
About $212.47 was |
|
Mid-size basements, bedrooms and bathrooms that do not need the largest unit. |
|
About $170.91 was |
|
Basements without a floor drain, where a pump can push water up to a sink or out of a window. |
|
About $229.46 was |
 Gasbye 115-Pint ENERGY STAR Dehumidifier (4,500 sq ft)Best High-Capacity |
Very damp, large spaces where you want the highest listed capacity and a bigger bucket. |
|
About $299.99 on Amazon as of |
 BRITSOU 34-Pint DehumidifierBest for Single Rooms |
Single rooms such as a bedroom, bathroom or small basement where a full-size unit is overkill. |
|
About $140.99 on Amazon as of |
 Ivation 13-Pint Small-Area Desiccant DehumidifierBest for Small Spaces |
Closets, small bathrooms and cooler spaces where a compact desiccant unit makes more sense than a compressor. |
|
About $269.99 on Amazon as of |
How we picked
Research-based, not hands-on tested. We compared listings against the buying criteria in this guide and explain who each pick suits. This list covers models available through our affiliate partner, and three picks come from the same brand, so compare them with other options before you buy. How we rate · What our labels mean
Our 6 ranked picks
Pick 1: AEOCKY 80-Pint Smart Compressor Dehumidifier (4,500 sq ft)
Large-space compressor pick
About $212.47 was $249.97 on Amazon as of
Best for: Basements and large open areas where you want continuous drainage and a set-and-forget humidistat.
Highlights from the product listing
- Up to 80 pints per day maximum moisture removal (per listing)
- Rated for spaces up to 4,500 sq ft (per listing)
- ENERGY STAR Most Efficient 2025 (per listing)
- Intelligent humidistat (per listing)
- Drain hose for continuous drainage (per listing)
Taken from the seller's listing, not tested or independently verified. Confirm specifications and current price on the retailer page before buying.
What we like
- A compressor dehumidifier removes moisture efficiently in warm, damp rooms such as basements in summer.
- A built-in humidistat (listed) lets you set a target humidity so the unit cycles on and off by itself.
- A drain-hose option (listed) means you do not have to empty the bucket by hand if a floor drain is nearby.
Keep in mind
- Compressor dehumidifiers make some noise and give off a little heat while running.
- Pint-per-day figures are maximums under test conditions; real-world removal depends on temperature and humidity.
- Filters need regular rinsing, and gravity drainage needs a drain lower than the hose outlet.
Pick 2: AEOCKY 50-Pint Compressor Dehumidifier (3,500 sq ft)
Mid-size compressor pick
About $170.91 was $229.99 on Amazon as of
Best for: Mid-size basements, bedrooms and bathrooms that do not need the largest unit.
Highlights from the product listing
- Up to 50 pints per day (per listing)
- Rated for spaces up to 3,500 sq ft (per listing)
- 0.8 gallon water tank (per listing)
- Intelligent humidistat (per listing)
- Drain hose included; quiet operation claimed (per listing)
Taken from the seller's listing, not tested or independently verified. Confirm specifications and current price on the retailer page before buying.
What we like
- A compressor dehumidifier removes moisture efficiently in warm, damp rooms such as basements in summer.
- A built-in humidistat (listed) lets you set a target humidity so the unit cycles on and off by itself.
- A drain-hose option (listed) means you do not have to empty the bucket by hand if a floor drain is nearby.
Keep in mind
- Compressor dehumidifiers make some noise and give off a little heat while running.
- Pint-per-day figures are maximums under test conditions; real-world removal depends on temperature and humidity.
- Filters need regular rinsing, and gravity drainage needs a drain lower than the hose outlet.
Pick 3: AEOCKY 80-Pint Dehumidifier with Pump (4,500 sq ft)
Pump drainage for basements
About $229.46 was $269.95 on Amazon as of
Best for: Basements without a floor drain, where a pump can push water up to a sink or out of a window.
Highlights from the product listing
- Built-in pump (per listing)
- Up to 80 pints per day (per listing)
- Rated for spaces up to 4,500 sq ft (per listing)
- ENERGY STAR Most Efficient 2025 (per listing)
- Intelligent humidistat and drain hose (per listing)
Taken from the seller's listing, not tested or independently verified. Confirm specifications and current price on the retailer page before buying.
What we like
- A built-in pump (listed) can move water up and away, so you are not limited to a floor drain below the unit.
- A compressor dehumidifier removes moisture efficiently in warm, damp rooms such as basements in summer.
- A built-in humidistat (listed) lets you set a target humidity so the unit cycles on and off by itself.
Keep in mind
- Compressor dehumidifiers make some noise and give off a little heat while running.
- Pint-per-day figures are maximums under test conditions; real-world removal depends on temperature and humidity.
- Filters need regular rinsing, and gravity drainage needs a drain lower than the hose outlet.
Pick 4: Gasbye 115-Pint ENERGY STAR Dehumidifier (4,500 sq ft)
Highest listed capacity
About $299.99 on Amazon as of
Best for: Very damp, large spaces where you want the highest listed capacity and a bigger bucket.
Highlights from the product listing
- Up to 115 pints per day maximum (per listing)
- Rated for spaces up to 4,500 sq ft (per listing)
- 45 dB quiet compressor claimed (per listing)
- 1.7 gallon water tank (per listing)
- Auto shut-off and restart; drain hose (per listing)
Taken from the seller's listing, not tested or independently verified. Confirm specifications and current price on the retailer page before buying.
What we like
- A compressor dehumidifier removes moisture efficiently in warm, damp rooms such as basements in summer.
- A built-in humidistat (listed) lets you set a target humidity so the unit cycles on and off by itself.
- A drain-hose option (listed) means you do not have to empty the bucket by hand if a floor drain is nearby.
Keep in mind
- Compressor dehumidifiers make some noise and give off a little heat while running.
- Pint-per-day figures are maximums under test conditions; real-world removal depends on temperature and humidity.
- Filters need regular rinsing, and gravity drainage needs a drain lower than the hose outlet.
Pick 5: BRITSOU 34-Pint Dehumidifier
Smaller-room compressor
About $140.99 on Amazon as of
Best for: Single rooms such as a bedroom, bathroom or small basement where a full-size unit is overkill.
Highlights from the product listing
- 34 pints per day (per listing)
- 0.66 gallon water tank (per listing)
- Drain hose included (per listing)
- Auto shut-off (per listing)
- 24-hour timer (per listing)
Taken from the seller's listing, not tested or independently verified. Confirm specifications and current price on the retailer page before buying.
What we like
- A compressor dehumidifier removes moisture efficiently in warm, damp rooms such as basements in summer.
- A built-in humidistat (listed) lets you set a target humidity so the unit cycles on and off by itself.
- A drain-hose option (listed) means you do not have to empty the bucket by hand if a floor drain is nearby.
Keep in mind
- Compressor dehumidifiers make some noise and give off a little heat while running.
- Pint-per-day figures are maximums under test conditions; real-world removal depends on temperature and humidity.
- Filters need regular rinsing, and gravity drainage needs a drain lower than the hose outlet.
Pick 6: Ivation 13-Pint Small-Area Desiccant Dehumidifier
Compact desiccant option
About $269.99 on Amazon as of
Best for: Closets, small bathrooms and cooler spaces where a compact desiccant unit makes more sense than a compressor.
Highlights from the product listing
- Desiccant design for small areas (per listing)
- For spaces up to 270 sq ft (per listing)
- Continuous drain hose (per listing)
- Compact and quiet design claimed (per listing)
- Suggested for bathrooms, attics, crawlspaces and closets (per listing)
Taken from the seller's listing, not tested or independently verified. Confirm specifications and current price on the retailer page before buying.
What we like
- Desiccant dehumidifiers generally keep working in cooler spaces where compressor units slow down.
- Compact size (listed) fits closets and small rooms.
- A continuous drain hose (listed) avoids frequent bucket emptying.
Keep in mind
- Desiccant units typically use more power per pint removed than compressor models.
- Designed for small areas only (listed up to 270 sq ft).
- They warm the air slightly while running.
Buying guide: how to choose
Quick checklist before you buy
- Measure the room or basement area and note how damp it is (musty smell, condensation, visible water).
- Decide how you will drain it: bucket, gravity hose to a floor drain, or a built-in pump.
- Check the temperature of the space; desiccant units suit cool spaces better than compressor units.
- Look for a humidistat so you can set a target humidity instead of running it all the time.
- Check filter access, bucket size and how easy the unit is to move.
A good fit if…
- You have a musty basement, crawlspace access area, laundry room or bathroom.
- You see condensation on windows or pipes, or want to protect stored items from damp.
- You want to keep indoor humidity in a steady range year-round.
Maybe skip it if…
- Your air is already dry; adding a dehumidifier will only make it drier.
- You have an active leak or flooding; fix the water source first.
- You need whole-home control and already have an HVAC system that can add a built-in dehumidifier.
Pick the right size
Brands rate dehumidifiers by pints of water removed per day and by the area they cover. A bigger unit in a small room simply cycles off more often, while an undersized unit runs constantly and may never reach your target. For a damp basement, many buyers size up.
Pint ratings are maximums measured under set test conditions. In a cool basement the real figure will be lower, so treat the headline number as a comparison point rather than a promise.
Drainage: bucket, hose or pump
Every unit here has a bucket, but emptying it daily gets old fast. A drain hose lets water run by gravity to a floor drain that sits lower than the outlet. A built-in pump can push water upward to a sink or out of a window, which helps in basements without a floor drain.
Compressor vs. desiccant
Compressor dehumidifiers are the most common type and are efficient in warm, humid conditions. Desiccant units use an absorbent material instead; they are usually smaller, can be quieter and tend to keep working in cooler spaces, but they typically use more energy per pint and suit small areas.
Set a sensible humidity target
Many guides suggest keeping indoor humidity roughly between 30 and 50 percent. A built-in humidistat lets you set a target so the unit turns on and off by itself. A cheap standalone hygrometer is a useful way to check the reading.
Energy use and noise
Dehumidifiers often run for long periods, so efficiency matters. An ENERGY STAR label is a reasonable starting point. Compressor units hum and give off a little heat; if the unit goes in a bedroom, look for a quiet mode and check the listed noise figure.
Maintenance
Keep the unit working well with a simple routine; follow your manual where it differs:
- Rinse or vacuum the air filter every few weeks.
- Clean the bucket regularly to prevent odors and slime.
- Keep a few inches of clearance around the intake and exhaust.
- Check the drain hose for kinks and make sure it runs downhill (unless the unit has a pump).
Frequently asked questions
What size dehumidifier do I need?
Match the listed coverage to your space and size up for very damp areas such as basements. A larger unit reaches the target faster and cycles off, while a small unit in a big damp space may run constantly.
Do I need a dehumidifier with a pump?
Only if you want continuous drainage and there is no floor drain lower than the unit. A pump can push water up to a sink or out of a window; otherwise a gravity drain hose or the bucket works fine.
What humidity should I set?
A common recommendation is roughly 30 to 50 percent indoor humidity. Start around 45 to 50 percent in a basement and adjust if you still notice dampness or the air feels too dry.
Compressor or desiccant: which is better?
Compressor units are usually better for larger, warmer damp spaces. Desiccant units are compact and tend to cope better in cool spaces, but they are best for small areas like closets or small bathrooms.
Are the Prime Day deals on this page guaranteed?
No. Picks marked Prime Day deal appear in our affiliate partner's deal list for October 6 to 7, 2026. Amazon sets the actual price, which can change at any time, so check the price on Amazon before you buy.
Did you test these dehumidifiers?
No. These are research-based picks, not hands-on tests. See How We Rate for how we choose and what we do and do not claim.
More buying guides
Best Air Purifiers
Six HEPA air purifiers compared for bedrooms, large living spaces and pet homes, with a buying guide on coverage, CADR, filters and noise.
Best Overall: PuroAir HEPA 14 Air Purifier (1,115 sq ft)
About $159.99 on Amazon as of
Best Home Espresso Machines
Five semi-automatic espresso machines compared, with a buying guide on grinders, pressure, baskets and milk drinks.
Best Overall: CASABREWS CM5418 Espresso Machine
About $139.99 on Amazon as of
Best Stand Mixers
Four listings of a large 8.4 qt commercial-style stand mixer compared, with advice on capacity, design and choosing the right size.
Best Overall: ZACME 8.4 Qt Commercial-Style Stand Mixer (800W)
About $499.99 on Amazon as of
Best Robot Vacuums and Mops
Five robot vacuum-and-mop models compared, with advice on navigation, docks, upkeep and privacy.
Best Overall: Dreame D30 Ultra Robot Vacuum and Mop
About $442.29 on Amazon as of
Consumers Ranks may earn a commission from qualifying purchases made through links on this page. Prices and availability are set by the retailer and can change. Affiliate Disclosure