Best dehumidifier for basement
Updated June 2026Independently researchedNo paid placement.
The Hisense 70-Pint Dehumidifier is our top pick for basements in 2026 thanks to its powerful moisture removal, smart features, and durable build.
The Frigidaire 50-Pint is a solid runner-up for medium spaces, while the Keystone 50-Pint delivers impressive performance at a budget-friendly price.
If you have a basement, you already know the smell of damp concrete and the worry of mold creeping up the walls. A good dehumidifier is the single best investment for keeping that space dry, comfortable, and healthy, but not every model handles a basement’s unique challenges equally well. You need enough pint capacity to match the square footage, a reliable pump or gravity drain option to avoid emptying buckets daily, and energy efficiency that won’t shock your electric bill. In our research across owner reviews, expert round-ups, and long-term feedback from users with permanently damp basements, three models kept rising to the top. The Hisense 70-Pint offers the best all-around balance of power and smarts. The Frigidaire 50-Pint is a proven workhorse that excels at consistent humidity control. And the Keystone 50-Pint delivers surprising performance for a much lower price, ideal if you’re outfitting a basement on a budget. Here’s what you need to know to choose the right one for your space.
Hisense 70-Pint Dehumidifier
the do-it-all default
4.7out of 5The Hisense 70-Pint is the most well-rounded basement dehumidifier we’ve found. It pulls moisture fast, uses a real pump for continuous drainage, and its smart controls let you set and forget it. The trade-off is a slightly higher upfront cost and a bulky footprint, but for most basements it’s worth every cent.
Price range: $$
Check price on Amazon →Frigidaire 50-Pint Dehumidifier
the proven workhorse
4.5out of 5The Frigidaire 50-Pint is a reliable, straightforward dehumidifier that prioritizes simplicity and durability. It doesn’t have Wi-Fi or a pump, but its humidity sensor is accurate and the continuous drain option works well if you can gravity-drain to a floor drain. It’s an excellent runner-up for moderately damp basements.
Price range: $$
Check price on Amazon →Keystone 50-Pint Dehumidifier
the budget champion
4.3out of 5The Keystone 50-Pint punches well above its price point, offering decent moisture removal and a solid feature set (including a continuous drain and auto-restart) for a fraction of the cost. It’s not as refined or efficient as the pricier picks, but for budget-conscious buyers it’s a genuine value.
Price range: $
Check price on Amazon →| Award | Model | Our score | Price | Best for | |
|---|---|---|---|---|---|
| Best overall | Hisense 70-Pint Dehumidifier | 4.7 / 5 | $$ | Anyone with a finished or unfinished basement over 1,500 square feet that’s consistently d | Check price → |
| Runner-up | Frigidaire 50-Pint Dehumidifier | 4.5 / 5 | $$ | Homeowners with a medium-sized basement (around 1,000–1,500 sq ft) who want a simple, no-f | Check price → |
| Best value | Keystone 50-Pint Dehumidifier | 4.3 / 5 | $ | Budget-focused buyers who need a 50-pint dehumidifier for a moderately damp basement or a | Check price → |
The picks in detail
1. Hisense 70-Pint Dehumidifier — the do-it-all default
Best overallThe Hisense 70-Pint is the most well-rounded basement dehumidifier we’ve found. It pulls moisture fast, uses a real pump for continuous drainage, and its smart controls let you set and forget it. The trade-off is a slightly higher upfront cost and a bulky footprint, but for most basements it’s worth every cent.
Pros
- Powerful 70-pint capacity handles large, very damp basements
- Built-in condensate pump allows easy continuous draining
- Energy Star certified for lower running costs year-round
- Energy Star Most Efficient designation keeps operating costs low
Cons
- Larger and heavier than many competitors, so not ideal for tight crawl spaces
- App setup can be finicky for some users
- Fan noise is noticeable on high speed (though still moderate)
Who it’s for
Anyone with a finished or unfinished basement over 1,500 square feet that’s consistently damp or has a high humidity problem.Who should skip it
You need a very compact unit for a small utility closet or a tight budget, the Hisense is an investment in both space and money.2. Frigidaire 50-Pint Dehumidifier — the proven workhorse
Runner-upThe Frigidaire 50-Pint is a reliable, straightforward dehumidifier that prioritizes simplicity and durability. It doesn’t have Wi-Fi or a pump, but its humidity sensor is accurate and the continuous drain option works well if you can gravity-drain to a floor drain. It’s an excellent runner-up for moderately damp basements.
Pros
- Very consistent humidity control with a responsive built-in hygrometer
- Easy-roll caster wheels and side handles make moving it around simple
- Filter is easy to access and clean, and it runs quietly on low
- Proven reliability from long-term owner reports over several years
Cons
- No built-in pump; continuous drain requires a floor drain or gravity slope
- No smart home connectivity or app controls
- Slightly less effective in very large basements or extreme humidity
Who it’s for
Homeowners with a medium-sized basement (around 1,000–1,500 sq ft) who want a simple, no-fuss machine they can trust year after year.Who should skip it
You need to drain water up to a sink or through a wall (look for a model with a pump), or you want remote scheduling and monitoring.3. Keystone 50-Pint Dehumidifier — the budget champion
Best valueThe Keystone 50-Pint punches well above its price point, offering decent moisture removal and a solid feature set (including a continuous drain and auto-restart) for a fraction of the cost. It’s not as refined or efficient as the pricier picks, but for budget-conscious buyers it’s a genuine value.
Pros
- Very affordable, often half the price of premium 50-pint models
- Includes a continuous drain option and a washable, reusable filter
- Auto-restart function keeps it running after a power outage
- Compact and relatively lightweight compared to competitors
Cons
- Not Energy Star Most Efficient; higher electricity usage over a long season
- Fan and compressor noise is more noticeable, can be bothersome if the basement is used as a living space
- Humidity readings can sometimes be a few percentage points off, requiring manual tweaking
Who it’s for
Budget-focused buyers who need a 50-pint dehumidifier for a moderately damp basement or a rental property and can accept slightly higher operating noise and energy use.Who should skip it
You want the quietest, most energy-efficient model, or you need a pump to drain upward, the Keystone relies on gravity drainage or manual bucket emptying.Best for specific needs
Best for large, very damp basements
If your basement feels like a swamp after rain or you consistently see humidity levels above 70 percent, you need maximum water removal capacity. The Hisense 70-Pint is the clear winner here: its high capacity and built-in pump let you tackle even the wettest spaces without constantly emptying a bucket. Owners with finished basements, workshops, or underground living areas report it keeps the air dry and comfortable all summer long. Our pick: Hisense 70-Pint Dehumidifier.
Best for medium-sized basements with moderate humidity
For a typical 1,000- to 1,500-square-foot basement that’s damp but not flooded, the Frigidaire 50-Pint is the sweet spot. It delivers steady humidity control with minimal fuss, and its reputation for longevity makes it a low-risk choice. It works especially well if you have a floor drain nearby so you can use the gravity continuous drain, then it’s truly set-and-forget. Our pick: Frigidaire 50-Pint Dehumidifier.
Best for budget buyers with a damp basement
When you want to dry out a basement without spending a lot, the Keystone 50-Pint gets the job done for much less money. It’s not as powerful or efficient as the top picks, but it’s reliable enough for seasonal use in a basement that’s not your primary living space. Just keep in mind that you’ll hear it running and may pay a little more in electricity over time. Our pick: Keystone 50-Pint Dehumidifier.
Our verdict
No matter which you choose, a dehumidifier is one of the few appliances that can truly transform how you use your basement, from musty storage room to livable space. If you have the budget and a large, very damp space, go with the Hisense 70-Pint; it’s the complete package. If your basement is moderate or you want a simpler machine, the Frigidaire 50-Pint is the reliable second choice. And if you’re watching every dollar but still need real moisture control, the Keystone 50-Pint gives you solid performance without breaking the bank.
Frequently asked questions
What size dehumidifier do I need for a basement?
For a typical basement with moderate dampness, a 50-pint unit handles spaces up to roughly 1,000 to 1,500 square feet. A 70-pint is the right choice for larger basements, spaces with visible water intrusion, or basements that smell musty year-round. The severity of the moisture problem matters as much as the square footage: a wet basement always benefits from the next size up.
Do I need a continuous drain hose for a basement dehumidifier?
For long-term basement use, continuous drain is strongly advisable. A basement dehumidifier pulls substantial water from the air daily, and manually emptying the bucket becomes a frequent chore at high moisture levels. Running a drain hose to a floor drain or sump pit eliminates the bucket entirely. Most basement-grade dehumidifiers include a drain port; you supply the hose.
Can a dehumidifier run in a cold basement?
Standard compressor dehumidifiers lose efficiency as temperature drops and can stop working effectively in spaces below around 60 degrees Fahrenheit. If your basement stays below that threshold in winter, look for a unit marketed for low-temperature operation with a defrost mode that prevents coil icing. In warmer months, any full-size compressor unit handles typical basement conditions well.