The fastest places to buy a dehumidifier
You can buy a dehumidifier at big-box retailers like Home Depot, Lowe's, and Walmart, which stock them year-round in their appliance sections and online. Amazon carries dozens of models with next-day or two-day shipping in most areas. Best Buy sells mid-range and high-end units, often with in-store pickup available the same day. Costco and Sam's Club stock seasonal inventory, usually heaviest in spring and summer when humidity problems peak.
Local appliance stores often have staff who can answer questions about capacity and noise level, which matters more than you might think if the unit will run in a bedroom or office. They may also offer delivery and setup, though you'll pay more than you would at a big-box store. If you need a unit today and don't want to wait for shipping, a local appliance retailer or Home Depot is your fastest option.
Key Takeaways
- Home Depot, Lowe's, and Walmart stock dehumidifiers in-store and online, with prices typically lower than specialty appliance shops.
- Amazon offers the widest selection of brands and models, including units not found in physical stores, with fast shipping to most addresses.
- Costco and Sam's Club have seasonal inventory at competitive prices, but only if you hold a membership.
- Facebook Marketplace and Craigslist often have used dehumidifiers for 30 to 50 percent less than new, though you cannot test them before purchase.
- Local appliance stores charge more but provide informed information and may include delivery and installation in the price.
Online retailers with the widest selection
Amazon stocks the most models of any single retailer, including brands like Frigidaire, hOmeLabs, Ivation, and Waykar that you won't find in every physical store. You can filter by capacity (measured in pints per day), noise level, and price, and read reviews from people who have used the unit in their own homes. Shipping is usually two days or less if you have Prime membership, and one day in many cities.
Wayfair and Target also carry a broad range online, with in-store pickup available at many Target locations if you want to avoid shipping costs. Wayfair often has sales on seasonal items in late summer and early fall. eBay sells both new and used units, but you will need to read seller ratings carefully and check the return policy, since a dehumidifier that arrives damaged is expensive to ship back.
Big-box stores with in-store inventory
Home Depot and Lowe's display dehumidifiers in their appliance aisles during spring and summer, with smaller selections in fall and winter. Both stores let you order online and pick up in-store within hours at most locations, which saves shipping costs on a heavy appliance. Their websites show real-time stock at your nearest store, so you can check before you drive there.
Walmart carries basic models at lower price points than Home Depot or Lowe's, though the selection is smaller. Best Buy stocks mid-range and premium units and often has sales during spring and summer months. If you have questions about features or warranty, the staff at Best Buy tend to have more product knowledge than at general retailers.
Membership clubs and seasonal sales
Costco and Sam's Club offer dehumidifiers at lower per-unit prices than other retailers, but only during their peak seasons (April through August in most regions). Costco's return policy is generous — you can return a dehumidifier within two years if it doesn't work for you — but you need an active membership to shop there. Sam's Club membership costs less than Costco but offers a smaller selection.
Both clubs rotate inventory, so the model available in May may be gone by July. If you see a unit you want, buy it then rather than waiting. Prices at membership clubs are usually 10 to 20 percent lower than at Home Depot or Lowe's for the same model.
Used dehumidifiers on secondhand marketplaces
Facebook Marketplace and Craigslist list used dehumidifiers for 30 to 50 percent less than new models, which can save you money if you're willing to take on some risk. You can often negotiate the price, especially if you're buying from someone who needs to clear space quickly. Meet the seller in a public place and ask them how long they've owned the unit and why they're selling it.
The main drawback is that you cannot test a dehumidifier before you buy it, and shipping is usually not an option because of the weight and size. If the unit fails after you get it home, you have no recourse unless you negotiated a return period with the seller. Buy used only if you're comfortable with that risk or if you can inspect it in person and run it for a few minutes before handing over money.
Specialty HVAC and humidity control shops
Independent HVAC contractors and humidity control specialists often sell dehumidifiers and can recommend the right capacity for your space. They may also offer installation, ductwork modifications, or integration with your existing HVAC system if you're dealing with whole-house humidity. Prices are usually higher than big-box retailers, but the informed is worth it if your humidity problem is severe or affects multiple rooms.
To find a local shop, search "dehumidifier sales near me" or "humidity control contractor" in your area. Ask for references and compare prices with Home Depot or Amazon before you commit, since the same model may cost 20 to 30 percent more at a specialty shop.
Price comparison and timing your purchase
Dehumidifier prices drop in late August and September when retailers clear out summer inventory to make room for fall and winter appliances. Spring sales (March through May) are less dramatic but still offer discounts as retailers stock up for the season. Black Friday and Cyber Monday bring discounts on some models, though selection may be limited.
Use price-tracking tools like CamelCamelCamel (for Amazon) or Honey (a browser extension) to monitor prices on specific models over time. This helps you spot when a unit you want drops in price rather than buying at the first retailer you find. Comparing the same model across Home Depot, Lowe's, Amazon, and Walmart usually takes five minutes and can save you $50 to $100.
Frequently Asked Questions
Can I rent a dehumidifier instead of buying one?
Some Home Depot locations rent dehumidifiers by the day or week, and local equipment rental shops may carry them. Rental costs $10 to $20 per day, so it makes sense only if you need one for a few days after water damage or during a humid spell. For ongoing humidity problems, buying is cheaper within two to three months.
What's the difference between buying in-store and ordering online?
In-store purchases let you see the unit's size and weight before you commit, and you can take it home when ready. Online orders offer more selection and often lower prices, but you pay for shipping or drive to pick it up. If you're unsure about the size you need, buying in-store lets you return it easily if it doesn't fit your space.
Do I need to buy from the same store where I bought my air conditioner?
No. Dehumidifiers work independently of air conditioning and don't need to match your AC brand. Buy from whichever retailer has the capacity and features you want at the best price. Warranty and return policy matter more than brand loyalty.
Are refurbished dehumidifiers worth buying?
Refurbished units from authorized retailers like Amazon Warehouse Deals or Best Buy's open-box section are usually safe, since they've been tested and come with a warranty. Refurbished models cost 20 to 30 percent less than new. Avoid refurbished units from unknown sellers on eBay unless the price is low enough that you can afford to replace it if it fails.