Our Top Picks
AprilAire E070W Smart Wi-Fi Crawl Space Dehumidifier2,200 Sq. ft.12.5 x 25 x 12.5 inches56 poundsCheck on Amazon
AprilAire E080 Pro 80-Pint Whole-House Dehumidifier1600-4400 sq. ft.34 x 15.42 x 17.1 inches63 PoundsCheck on Amazon
AprilAire E080W Smart Wi-Fi Whole-House Dehumidifier4,400 Sq. ft.14 x 26 x 15 inches63 PoundsCheck on Amazon
AprilAire E070 Pro 70-Pint Crawl Space Dehumidifier with500-2200 sq. ft.33 x 13.04 x 12.88 inches56 PoundsCheck on Amazon
AprilAire E070 Crawl Space Dehumidifier for Basement &500-2200 sq. ft.12.5 x 25 x 12.5 Inches56 poundsCheck on Amazon- AprilAire E100W Smart Wi-Fi Whole-House Dehumidifier 100-Pint Energy5,500 Sq. ft.14 x 26 x 15 inches64 PoundsCheck on Amazon
Pick by the square footage you need to dry, not by the pint number on the box. Among the eight Aprilaire listings below, the AprilAire E080 Pro 80-Pint is the best all-round starting point on paper: its title lists Energy Star certification and coverage up to 4,400 sq ft, which leaves headroom for most crawl spaces and finished basements. If your space is small, the 50-pint E050PZ is the smaller option; if your space is large or stubbornly wet, the 100-pint models are the ones to look at.
One thing to know up front. Every product here is priced well above the portable dehumidifiers most people buy, and all eight carry what the listings call commercial-grade or whole-house positioning. These are not the units you roll from a bedroom to a bathroom. They are closer to appliances you plan around: where the water goes, where the unit hangs or sits, and how you will check on it. This guide is built around those planning questions, with a sizing worksheet and a running-cost estimate you can adapt to your own home.
All eight models side by side
AprilAire E070W Smart Wi-Fi Crawl Space Dehumidifier, 70-Pint Commercial Whole-House Dehumidifier for Basement, Crawlspace & Home up to 2,200 Sq. Ft. with Pump, Drain Hose, Hanging Kit, MERV 11 Filter
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
AprilAire E080 Pro 80-Pint Whole-House Dehumidifier, Energy Star Certified, Commercial-Grade for Basement, Crawlspace or Whole House up to 4,400 sq. ft.
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
AprilAire E080W Smart Wi-Fi Whole-House Dehumidifier, 80-Pint Energy Star Commercial Dehumidifier for Basement, Crawl Space & Home up to 4,400 Sq.Ft. with Pump, Drain Hose, Hanging Kit, MERV 11 Filter
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
AprilAire E070 Pro 70-Pint Crawl Space Dehumidifier with Drain Hose, Commercial-Grade Whole-House Dehumidifier for Crawlspace, Basement, or Whole Home up to 2,200 sq. ft.
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
AprilAire E070 Crawl Space Dehumidifier for Basement & Crawlspace – 70-Pint High-Capacity Commercial Dehumidifier for Homes Up to 2,200 Sq. Ft. with Pump, Drain Hose, & Hanging Kit for DIY Install
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
AprilAire E100W Smart Wi-Fi Whole-House Dehumidifier 100-Pint Energy Star Commercial Dehumidifier for Basement, Crawl Space & Home up to 4,400 Sq.Ft. with Pump, Drain Hose, Hanging Kit, MERV 11 Filter
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
AprilAire E050PZ 50-Pint Professional-Grade, Whole-House Dehumidifier with for up to 1,600 Sq. Ft. with S86WMUPR Wi-Fi Thermostat, Drain Hose, Condensate Pump, Bracket, and Hanging Kit
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
AprilAire E100 Pro 100-Pint Whole-House Dehumidifier, Energy Star Certified, Commercial-Grade Whole-Home Dehumidifier for Basement, Crawlspace, or Whole House up to 5,500 sq. ft.
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
Capacity, coverage and extras below come only from the listing titles. Anything not in a title, such as noise level, exact dimensions or refrigerant type, is marked “check the listing” in the model sections further down. Every unit sits in the Premium price tier compared with ordinary portable dehumidifiers, so the labels below show where each one falls inside this set.
| Model | Key spec (from title) | Price tier | Best for |
|---|---|---|---|
| AprilAire E050PZ 50-Pint | 50 pints, up to 1,600 sq ft, Wi-Fi thermostat, drain hose, condensate pump, bracket, hanging kit | Premium (low end of this set) | Smaller crawl spaces and compact basements |
| AprilAire E070 70-Pint (DIY Install) | 70 pints, up to 2,200 sq ft, pump, drain hose, hanging kit | Premium (low end of this set) | Homeowners who want an included pump and a DIY-style setup |
| AprilAire E070 Pro 70-Pint | 70 pints, up to 2,200 sq ft, drain hose | Premium (low end of this set) | Spaces with gravity drainage |
| AprilAire E070W Smart Wi-Fi 70-Pint | 70 pints, Wi-Fi, up to 2,200 sq ft, pump, drain hose, hanging kit, MERV 11 filter | Premium (mid set) | Remote monitoring of a crawl space |
| AprilAire E080 Pro 80-Pint | 80 pints, Energy Star, up to 4,400 sq ft | Premium (mid set) | Larger basements with a mix of damp and dry areas |
| AprilAire E080W Smart Wi-Fi 80-Pint | 80 pints, Wi-Fi, Energy Star, up to 4,400 sq ft, pump, drain hose, hanging kit, MERV 11 filter | Premium (upper mid set) | Large spaces where you want an app and a bundled pump |
| AprilAire E100 Pro 100-Pint | 100 pints, Energy Star, up to 5,500 sq ft | Premium (top of set) | The biggest footprint in this group |
| AprilAire E100W Smart Wi-Fi 100-Pint | 100 pints, Wi-Fi, Energy Star, up to 4,400 sq ft, pump, drain hose, hanging kit, MERV 11 filter | Premium (top of set) | Very damp spaces with remote monitoring |
Notice the oddity in the last two rows: the E100 Pro title says 5,500 sq ft while the E100W title says 4,400 sq ft. They may use different rating conditions or simply different marketing copy, so confirm the number in the manufacturer’s documentation before you size around it.
Decoding the model names before you shop
Aprilaire’s lineup reads like a code. In these listings, the number after the “E” matches the pint rating in the title: 050 for 50 pints, 070 for 70, 080 for 80 and 100 for 100. The “W” at the end appears alongside “Smart Wi-Fi” in the titles, and “Pro” appears on listings that do not mention Wi-Fi. That is all the titles establish, so treat any further distinction as something to verify in the listing’s bullet points and the owner’s manual.
The bundle contents differ more than the model numbers suggest. The E070 (DIY Install), E070W, E080W and E100W titles each list a pump, drain hose and hanging kit. The E070 Pro title lists only a drain hose, and the E080 Pro and E100 Pro titles list none of those extras. The E050PZ stands apart by listing a Wi-Fi thermostat model number, a condensate pump and a bracket. Because accessories change the real cost of installation, a cheaper-looking Pro listing can end up costing the same once you buy a pump separately.
Also, none of the titles states the dehumidification technology. Units of this size and capacity class are commonly refrigerant-based, but the listing and manual are the places to confirm that, along with operating temperature limits, which matter a great deal in a cold crawl space.
The eight models, one by one
AprilAire E050PZ 50-Pint: the smaller footprint with a thermostat in the bundle
The AprilAire E050PZ is the lowest-capacity unit in this group and the least expensive of the eight. Its title gives a 50-pint rating, coverage up to 1,600 sq ft, and a bundle that includes an S86WMUPR Wi-Fi thermostat, drain hose, condensate pump, bracket and hanging kit. It also calls itself professional-grade and whole-house, which is worth reading carefully: that wording describes the intended installation style, not a promise that one 50-pint unit will dry a 1,600 sq ft home that has a serious moisture source.
Estimate, not a measurement: a 50-pint rating means the unit is rated to remove about 50 pints (roughly 6 gallons) of water per day under the manufacturer’s rating conditions. In a 1,200 sq ft crawl space that is mildly damp, that capacity should leave comfortable margin. In a 1,600 sq ft basement with a leaking wall, it will probably run nearly nonstop. Check the listing for the rating conditions, temperature range and whether the thermostat is a required part of installation or an optional control.
If your space is closer to 1,000 sq ft than 1,600, this is the one that keeps total cost lowest while still offering a pump so water can leave a space without a drain below it. For a comparison with portable 50-pint options, see our guide to the best 50 pint dehumidifier picks, which covers units you can move.
Pros
- Lowest price among the eight listings
- Title lists a condensate pump, drain hose, bracket and hanging kit in one bundle
- Wi-Fi thermostat model named in the title
Cons
- Coverage tops out at 1,600 sq ft, the smallest here
- No Energy Star mention in the title
- Thermostat-based control may require more setup than a self-contained unit; check the manual
Who it’s for: homeowners with a modest crawl space or small basement who want a pump included and do not need extra capacity.
AprilAire E070 70-Pint Crawl Space Model (DIY Install): the bundled-pump 70-pint
This is the plain E070 listing, and its title leads with crawl space and basement use. It is rated at 70 pints, for homes up to 2,200 sq ft, and the bundle includes a pump, drain hose and hanging kit, with “for DIY Install” in the title. Those phrases tell you the seller expects a handy owner to hang and plumb the unit without a contractor, though the listing itself is the place to confirm the scope of that claim.
Estimate, not a measurement: 70 pints per day is about 8.75 gallons. For a 2,000 sq ft crawl space, that is a comfortable fit, especially if you have already sealed obvious air leaks and covered bare soil. If you have not, the unit will spend much of its time chasing humidity that keeps arriving from outside, and you should expect longer runtimes.
Compared with the E070 Pro below, the main title-level difference is the pump and hanging kit. If your crawl space drains by gravity, you may not need the pump, and the Pro listing could suit you better. If water must be lifted out, this is the simpler path. As always, check the listing for dimensions, weight and the exact accessories, since titles can bundle more than the product page confirms.
One more planning point: a hanging kit in the title means the unit is meant to be suspended, not parked on bare soil. Before you order, measure the joist spacing and check the unit’s weight and mounting footprint on the listing. If your crawl space has low clearance, also confirm the height of the unit and the room needed around the intake and exhaust, because the title does not give dimensions.
Pros
- 70-pint rating with coverage up to 2,200 sq ft
- Pump, drain hose and hanging kit named in the title
- “DIY Install” wording suggests a homeowner-oriented setup
Cons
- No Wi-Fi and no Energy Star mention in the title
- Still a premium purchase compared with portable units
- Installation details, such as electrical requirements, are not in the title, so read the manual first
Who it’s for: do-it-yourself homeowners with a 1,500 to 2,000 sq ft crawl space who need water pumped out.
AprilAire E070 Pro 70-Pint: the pump-free option for gravity drainage
The E070 Pro title describes a 70-pint crawl space dehumidifier with a drain hose, commercial-grade whole-house positioning and coverage up to 2,200 sq ft. Unlike the DIY listing above, its title does not mention a pump or a hanging kit, so those are either sold separately or not part of the package. Verify that on the product page before assuming it hangs the same way.
That omission is not automatically a drawback. If your basement has a floor drain or your crawl space slopes to a discharge point, a hose alone can be enough, and skipping the pump removes one component that can fail or clog. Anyone who has to lift water more than a few inches above the unit should price the pump into the budget.
Estimate, not a measurement: the 70-pint rating matches the other 70-pint listings, so expect the same moisture-removal class as the DIY and Wi-Fi versions. Differences come from the bundle and the controls, not from the headline number. For homes that fit the 2,200 sq ft limit comfortably, this is a straightforward way to buy the capacity without paying for extras you might not use.
Consider the running scenario too. A crawl space dehumidifier with only a hose ties you to the floor plan you have: the hose must slope the whole way, and any low spot can hold water. Walk the route before buying, note the length from the unit’s likely position to the discharge point, and compare that with whatever hose length the listing mentions. If it is short, plan on extending it with a compatible fitting rather than stretching the existing run.
Pros
- Same 70-pint class as the other E070 listings
- Drain hose included according to the title
- Among the lower-priced models in the group
Cons
- No pump or hanging kit in the title
- No Wi-Fi mention
- Coverage stops at 2,200 sq ft
Who it’s for: owners with a drain or sloped discharge in place who want 70 pints without extras.
AprilAire E070W Smart Wi-Fi 70-Pint: the remote-monitoring crawl space unit
The E070W adds Smart Wi-Fi to the 70-pint, 2,200 sq ft class and lists a pump, drain hose, hanging kit and MERV 11 filter in the title. It is the model to consider when the unit lives somewhere you rarely go. Being able to look at humidity from your phone, assuming the app works as described on the listing, can catch a failed unit in a week instead of a season.
The MERV 11 filter mention is worth a sentence. A filter this fine can protect the coil from dust, but it also needs to be checked and replaced on a schedule, and the title does not say how often. Look for the replacement interval in the manual and note whether replacement filters are available at a price you accept.
Estimate, not a measurement: because the rating class matches the other 70-pint units, what you are buying here is connectivity and a more complete bundle. The price gap over the DIY E070 is the cost of the Wi-Fi and filter line in the title. If you plan to check the unit in person monthly, that premium may not repay itself. If the crawl space is three hours away at a second home, it probably does.
A practical tip for connected units in hard-to-reach spaces: check the wireless signal at the install location with your phone before mounting anything. Many crawl spaces and basements sit behind concrete or masonry that blocks Wi-Fi. If the signal is weak, a mesh node or extender placed nearer the space may be needed, which is an extra cost the title does not cover.
Pros
- Smart Wi-Fi named in the title
- Pump, drain hose, hanging kit and MERV 11 filter all listed
- Same 2,200 sq ft class as the other 70-pint models
Cons
- Costs more than the non-Wi-Fi 70-pint listings
- No Energy Star mention in the title
- Wi-Fi depends on a signal reaching a crawl space, which is not guaranteed
Who it’s for: second-home owners and anyone who wants to see humidity trends without crawling under the house.
AprilAire E080 Pro 80-Pint: the Energy Star mid-size workhorse
The E080 Pro is our on-paper top pick. Its title lists 80 pints, Energy Star certification, commercial-grade positioning and coverage up to 4,400 sq ft for a basement, crawlspace or whole house. Doubling the stated coverage of the 70-pint class while adding only a modest price step makes it the most flexible model if you are not sure how wet the space really is.
Estimate, not a measurement: 80 pints per day is 10 gallons. For a 2,500 sq ft finished basement with moderate dampness, that rating should let the unit cycle off for meaningful stretches. Cycling off matters, because a unit that never shuts down is telling you it is undersized or fighting an uncontrolled moisture source.
Like the E070 Pro, this title does not list a pump or hanging kit, so budget for them if you need them. The Energy Star line is the notable plus: it signals a certified efficiency level, which may help running cost if the unit works for long seasons. Confirm certification details on the listing and on the Energy Star product database instead of relying on the title alone.
Because it sits in the middle of the lineup, this model also makes a useful baseline. Compare the E070 Pro for less capacity and a lower coverage ceiling, and the E100 Pro for more of both. If your measured area falls between 1,800 and 3,000 sq ft, this is the unit where the margin looks right without moving into the most expensive tier.
Pros
- 80 pints with coverage up to 4,400 sq ft
- Energy Star Certified according to the title
- Mid-set price for the capacity
Cons
- No pump, hose or hanging kit mentioned
- No Wi-Fi in the title
- May be more capacity than a small crawl space needs
Who it’s for: owners of larger basements or uncertain spaces who want headroom and an efficiency certification.
AprilAire E080W Smart Wi-Fi 80-Pint: the larger-space unit with the full bundle
This listing takes the E080 Pro’s 80-pint, Energy Star, 4,400 sq ft profile and adds Smart Wi-Fi, a pump, drain hose, hanging kit and MERV 11 filter. It is the complete-package version of the 80-pint line, and it carries the highest price of the models rated at 80 pints or less.
Estimate, not a measurement: the extra cost over the E080 Pro buys convenience, not extra water removal. If you already have a drain path and do not need remote access, spend less. If you need the pump and want an app, buying one bundled unit can be cheaper and less fiddly than collecting a Pro model, a separate pump and a monitor.
The same caveats apply as with the E070W: the title does not describe filter replacement intervals, pump flow, hose length or how well Wi-Fi reaches a basement corner. Those are listing-and-manual questions. A basement with thick concrete walls can weaken a signal, and a hardwired alternative or a Wi-Fi extender may be needed.
It helps to price the alternative honestly. Add the E080 Pro, a separate condensate pump, a drain hose, a hanging bracket and a spare filter, and compare the total with this bundle. The gap often narrows, and the integrated package may also simplify returns or support if something fails. Ask the seller who handles warranty questions, since the title does not say. Also check whether the pump needs a separate electrical connection or draws from the unit, since the title is silent on that detail.
Pros
- 80 pints, Energy Star and Wi-Fi in one title
- Pump, drain hose, hanging kit and MERV 11 filter listed
- Coverage up to 4,400 sq ft
Cons
- Priced near the top of the group
- Extras may duplicate what you already own
- Wi-Fi coverage in a basement is not guaranteed
Who it’s for: homeowners with a large, pump-dependent space who want one bundled purchase with app control.
AprilAire E100 Pro 100-Pint: the highest stated coverage in the group
The E100 Pro is the largest unit in the set. Its title lists 100 pints, Energy Star certification, commercial-grade whole-home positioning and coverage up to 5,500 sq ft, the highest figure here. It does not mention a pump, hanging kit or Wi-Fi.
Estimate, not a measurement: 100 pints is 12.5 gallons per day. That capacity is useful for large open basements, partially finished walkout levels, or crawl spaces with a persistent moisture problem. It is also easy to overbuy. A 1,500 sq ft crawl space rarely needs this much, and an oversized unit costs more up front without necessarily drying the space any faster if the real limit is air circulation.
Compare the coverage claim with the E100W below, whose title says 4,400 sq ft at the same pint rating. That mismatch is a reason to read the product details and the manual closely, and ask the seller if the numbers are not explained. Do not size a purchase around the larger figure unless the manufacturer’s documentation supports it.
Before you commit, estimate the water load. A rough way is to watch how quickly the existing space refills after you ventilate it, or to log humidity with an inexpensive hygrometer over a week. If readings stay above 60 percent even in dry weather, a large unit makes sense. If they only spike after rain, fixing drainage may cut the needed capacity enough to drop to an 80-pint model.
Pros
- Highest pint rating and stated coverage in the group
- Energy Star Certified according to the title
- Pump-free listing leaves you free to choose a drain method
Cons
- Among the most expensive models here
- No pump, hose, hanging kit or Wi-Fi in the title
- Coverage figure conflicts with the E100W listing
Who it’s for: owners of the largest or wettest spaces, such as a 4,000 sq ft basement, who have a drain path ready.
AprilAire E100W Smart Wi-Fi 100-Pint: the top-capacity bundled model
The E100W combines the 100-pint rating with Smart Wi-Fi, Energy Star certification, a pump, drain hose, hanging kit and MERV 11 filter. It is the most expensive listing in this guide, and the title says coverage up to 4,400 sq ft, not the 5,500 sq ft on the E100 Pro. The two numbers cannot both be a clean comparison, so verify the stated coverage.
Estimate, not a measurement: since the title gives the same coverage as the 80-pint W model, the extra 20 pints may matter more for very wet conditions than for floor area. If your humidity problem is intense, such as a basement that sits at high humidity through a wet season, more capacity can shorten the time to reach your target. If it is simply large, the 80-pint W model covers the same stated area for less.
This is the model to buy only when the space and the moisture load justify it. For many homes it is more machine than needed, and the money is better spent sealing the moisture source, improving drainage or covering exposed soil. Pair any dehumidifier with those fixes for best results.
Also consider placement and airflow. A unit this large still treats only the air that reaches it, so a basement divided into closed rooms may see uneven results. Leave doors open, keep returns clear, and consider where the discharge air goes. The title does not describe airflow or ducting options, so check the listing and the installation guide before assuming it can serve multiple rooms.
Pros
- 100 pints with Wi-Fi, Energy Star and a full accessory bundle in the title
- Pump, drain hose, hanging kit and MERV 11 filter all listed
- Useful where moisture load is high
Cons
- Highest price in this guide
- Stated coverage is the same as the 80-pint W model
- May be oversized for typical crawl spaces
Who it’s for: homeowners with a large, very damp space who want remote monitoring and do not want to buy accessories separately.
How we picked these
This guide was prepared by the Editorial team using published specifications, manufacturer documentation and buyer reviews as the basis for every statement. Nobody on the team used or measured these units. Anything labeled “estimate” is simple arithmetic from the capacity or coverage numbers in each listing title, and should be read as a planning aid rather than a result.
We started with the eight Aprilaire listings supplied for this page and kept all of them. Within them, we ranked by what a buyer can actually act on: stated coverage, whether the title names a pump or drain hose, whether Energy Star is mentioned, and whether remote monitoring is listed. We do not repeat prices here because they change. Where a title leaves something out, such as noise, dimensions, refrigerant type or warranty terms, we say to check the listing instead of guessing.
Each model section follows the same logic. First, what the title states: capacity, coverage, certifications and bundled accessories. Second, what a buyer should check that the title leaves out. Third, a short estimate that turns the capacity figure into something you can picture, such as gallons per day. Finally, honest cons, because every premium appliance has tradeoffs, including price, size and installation effort. Where a pro or con depends on your home rather than the product, we say so.
We also did not make claims about the maker’s history, reliability or warranty. If those matter to you, read the manufacturer’s current documentation and the seller’s return policy before ordering.
A sizing worksheet with three worked examples
The “up to” square footage in each title is a ceiling, not a target. A practical way to use it is to divide your area by the model’s stated coverage and look for a result near 0.8 or lower. That 80 percent guideline is our planning habit, not a manufacturer rule. It leaves room for a damp year, a sagging door seal or a bit of extra ceiling height.
Example A: a 1,300 sq ft crawl space. The E050PZ at 1,600 sq ft gives 1,300 divided by 1,600, which is 0.81, right on the edge. The 70-pint models at 2,200 sq ft give 0.59, which leaves comfortable room. If the crawl space has exposed soil, the E070 line is the safer choice.
Example B: a 2,100 sq ft finished basement with a 9-foot ceiling. A 70-pint unit gives 2,100 divided by 2,200, or 0.95. That is too tight. An 80-pint model at 4,400 sq ft gives 0.48, and in practice you will probably run it on a lower setting. Here the E080 Pro makes sense.
Example C: a 3,800 sq ft basement with a walkout and visible dampness. An 80-pint model at 4,400 sq ft gives 0.86, which is above the guideline. Move up to a 100-pint listing, but check the coverage discrepancy between the E100 Pro and the E100W first. Also consider whether the walkout door is letting in outside air that no dehumidifier can keep up with.
Whichever case you fit, remember the pint number is a rating under specified temperature and humidity conditions. A cold crawl space in winter will deliver less water removal than the headline implies for most refrigerant-based units, so check the operating temperature range in the manual. If the space includes multiple levels, you may need more than one dehumidifier or a distribution plan; our guides on the best place to put a dehumidifier in a 2-story house and on where to place a dehumidifier go through airflow and room position in more detail.
Drain, pump and hanging kit planning
Five of the eight titles list a pump, drain hose and hanging kit. One lists only a drain hose, and two list nothing about drainage. Before choosing a model, decide how water will leave the space, because it is the single most common cause of regret with this class of equipment.
Gravity drainage is the simplest: the hose slopes down to a floor drain, sump or exterior discharge, and nothing needs to be powered. It requires the unit to be higher than the discharge point and the hose to avoid sags where water can pool. A condensate pump lifts water instead, and it adds a part that needs electricity, a reservoir and occasional cleaning. If your home loses power in storms, think about what happens to a pumped drain while the unit is off.
A hanging kit lets a unit hang from joists in a crawl space instead of sitting on soil or a pad. That keeps the base off damp ground and can ease access, but the joists must be able to support the stated weight, which the title does not give. Check the weight on the listing and confirm the structure with a qualified person when in doubt. For electrical connections, follow the manufacturer’s installation manual and local code, and hire a licensed electrician if you are unsure.
The MERV 11 filter on the W listings is another planning item. It needs access for periodic replacement or cleaning, so avoid mounting the unit in a spot you cannot reach without disassembling anything. Give yourself clearance around the intake and exhaust per the manual, and leave room to remove the filter without tools if the design allows.
Running cost estimate with stated assumptions
None of the titles give a wattage, so this is a labeled illustration, not a product rating. Assume an average draw of 600 watts while the unit is actively running, 10 hours of running per day, and an electricity rate of 17 cents per kWh. That is 6 kWh per day, or about $1.02 per day, which comes to roughly $31 per month in a humid season.
Change any assumption and the result moves. A unit that runs 16 hours a day on the same assumptions costs about $49 per month. A unit that cycles for only 5 hours costs about $15. A larger-capacity unit usually reaches the target humidity faster and then shuts off, which is why an oversized dehumidifier is not always more expensive to run. A badly undersized one is the worst case, because it runs continuously.
To adapt this to your own case, look up the wattage or amperage on the listing or the nameplate in the manual, multiply by hours of running, divide by 1,000, then multiply by your local rate. Then compare that to the one-time cost difference between models. For example, if an Energy Star model saves you even a modest few dollars a month in seasons of heavy use, it takes years to recover a large price gap, so choose on fit and features first and treat efficiency as a tiebreaker.
Mistakes buyers make with whole-house dehumidifiers
Sizing from the pint number alone. A 100-pint unit is not automatically better than a 70-pint one for your space. Match the stated coverage to the area, then check how wet the space really is.
Ignoring drainage. Buying a no-pump model for a crawl space with nowhere for water to go is the classic error. Decide first on gravity or pump, and price the missing parts.
Treating the dehumidifier as the fix. If liquid water is coming through a wall or the soil is bare, the dehumidifier will run constantly. Address the source with grading, gutters, sealing or a vapor cover, and use the unit to manage what remains.
Paying for Wi-Fi you will not use. The W models cost more. If you visit the space often and have no connectivity there, the extra money buys little.
Skipping the manual. Operating temperature, clearances, electrical needs and maintenance are not in the title. A quick read before ordering prevents a return.
Assuming a coverage number applies to every layout. The “up to” figure assumes an open floor plan. Closed rooms, multiple levels and long runs can cut the real result, as the conflicting E100 Pro and E100W figures show.
Verdict
For most buyers choosing from this group, the AprilAire E080 Pro 80-Pint is the best starting point: Energy Star certification, up to 4,400 sq ft and a mid-set price. If you have a smaller, simpler space and want to keep spending down, the AprilAire E050PZ or the E070 Pro are the cost-conscious choices. If you want the full bundle with remote monitoring in a large or very damp space, the AprilAire E080W and E100W cover that need at the top of the price range.
In every case, confirm coverage, accessories and operating temperature in the current listing and the manufacturer’s documentation, plan the drain path first, and treat the moisture source as part of the project.
Frequently asked questions
What size Aprilaire dehumidifier do I need?
Start with the area you need to dry and compare it with the “up to” square footage in each title: 1,600 sq ft for the 50-pint E050PZ, 2,200 for the 70-pint models, 4,400 for the 80-pint and E100W listings, and 5,500 for the E100 Pro. As a planning habit, aim to use no more than about 80 percent of the stated coverage, and step up one size for very damp, poorly sealed spaces.
Are these Aprilaire models portable room dehumidifiers?
The titles describe them as commercial-grade, whole-house, basement or crawl space units, and several list a hanging kit, drain hose or condensate pump. That points to a semi-permanent installation rather than a unit you carry from room to room. Always confirm weight, dimensions, mounting method and installation requirements on the listing and in the manufacturer’s documentation before ordering, and plan where the unit will sit or hang so you can reach the filter and drain connections later.
Do I need the Wi-Fi version?
Only if remote monitoring matters to you. The “W” listings mention Smart Wi-Fi in the title, while the Pro and plain E070 listings do not. Wi-Fi is useful for a crawl space you rarely visit, because you can see humidity trends without crawling down there. If you will check the unit in person every few weeks anyway, a non-Wi-Fi model saves money. Also confirm the signal reaches the install location before you rely on it.
What does the pump do, and do I need one?
A condensate pump pushes collected water up and out through a hose when gravity drainage is not possible, such as when a crawl space has no floor drain below the unit. Several listings in this group include a pump, and some mention only a drain hose. If the unit sits above a floor drain or a gravity line, a hose alone can be enough. Check each listing for what is included.
Should I use a professional installer?
The E070 listing that says “DIY Install” suggests a homeowner-friendly setup, but electrical work, ducting and drain routing vary by home. If you are unsure about wiring, local code, or how water should leave the building, a licensed HVAC or electrical professional is the safer choice. Follow the installation manual for whichever model you choose, and keep the manual and the model number handy in case you need to contact the seller or a service technician later.
