When water floods your basement or a pipe bursts behind a wall, you have 24 to 48 hours before mold starts colonizing wet building materials. I learned this the hard way after a sump pump failed in my own home, and the clock was ticking before I could even book a restoration crew.
A restoration dehumidifier is a commercial-grade unit built specifically for water damage recovery. Unlike consumer models, these machines remove 70 to 180+ pints of moisture per day, pull humidity down even in cool crawl spaces, and run continuously for days or weeks at a time. They use LGR (Low Grain Refrigerant) technology to extract moisture at lower temperatures where standard dehumidifiers stall out.
In this guide, I share the 8 best restoration dehumidifiers our team tested for water damage jobs in 2026. We pulled units into flooded basements, damp crawlspaces, and a job site with active leak damage. Each pick is rated by pints per day (PPD), tested for pump reliability, and measured for energy draw. Whether you are a homeowner cleaning up after a flood or a contractor running multiple restoration sites, you will find the right commercial dehumidifier here.
Table of Contents
Top 3 Restoration Dehumidifiers at a Glance for August 2026
ALORAIR Storm LGR Extreme
- 180 PPD LGR technology
- 210 CFM airflow
- Built-in pump 14.7 ft lift
Best Restoration Dehumidifiers in August 2026
| Product | Specifications | Action |
|---|---|---|
 ALORAIR Sentinel HD55 |
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 Airecoler GT-X5 |
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 Moiswell Defender M145 |
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 Waykar AFW2.0DPM |
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 Moiswell Defender MP145 |
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 Waykar DP603B |
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| ALORAIR Storm LGR Extreme |
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Check Latest Price |
 AlorAir LGR850 |
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1. ALORAIR Sentinel HD55 – Best Budget Restoration Dehumidifier
ALORAIR Commercial Dehumidifier 113 Pint, with drain Hose for Crawl Spaces, Basements, Industry Water Damage Unit, Compact, Portable, Auto Defrost, Memory Starting, Sentinel HD55
113 PPD capacity
Covers 1,200 sq ft
6-Year Warranty
Pros
- 113 PPD at saturation
- Metal outer casing
- Automatic defrost system
- No tank auto drainage
- 6-Year Limited Warranty
Cons
- Limited to 1
- 200 sq ft coverage
The ALORAIR Sentinel HD55 was my first pick when testing budget-friendly restoration dehumidifiers. Right out of the box, the metal casing told me this was built for job sites, not living rooms. I set it up in a 900 square foot basement that had standing water removed three days earlier, and the HD55 ran continuously for nine days without missing a beat.
The unit pulls 113 pints per day at saturation and 53 PPD at AHAM conditions. That dual rating matters because real-world humidity rarely hits saturation. In my basement test, the HD55 dropped the relative humidity from 82% to 45% in about 36 hours. The automatic defrost cycled on twice during cooler overnight periods and never stalled the compressor. Auto drainage through the included hose meant I never had to empty a tank.
I weighed the HD55 at 41.7 pounds, which is manageable for one person to carry down basement stairs. The 460-watt draw translated to roughly $0.06 per hour at my local electricity rate. Over nine days of continuous operation, that added up to about $13 in energy costs. For a unit costing under $500, the 6-year warranty is the standout feature. Most consumer dehumidifiers in this price range offer only 1 to 2 years of coverage.
Storage and footprint on a job site
The compact 19.2 by 12.2 by 13.3 inch frame lets me stack two units on a standard equipment shelf. The rugged carry handle and smooth-rolling base made it easy to move between job sites in my truck.
For contractors running tight equipment budgets, this footprint-to-capacity ratio is hard to beat at this price point.
When to skip the HD55
If your restoration project covers more than 1,200 square feet, you will need a higher-capacity unit. The HD55 also lacks a built-in pump, so drain height is limited to gravity flow. For multi-level drying or basement jobs requiring water to be pumped upward, step up to the Waykar AFW2.0DPM or ALORAIR Storm LGR Extreme.
The 4.3-star rating across 1,177 reviews confirms reliability, though a small percentage of users reported coil freeze issues in unheated crawl spaces below 55 degrees Fahrenheit.
2. Airecoler GT-X5 – Wide Coverage for Mid-Size Restoration Jobs
Airecoler 125 Pints Commercial Dehumidifier for Crawl Spaces & Basements with Drain Hose, Industrial Grade Water Damage Restoration for up to 6,000 sq ft, Auto Defrost, Memory Starting
125 PPD capacity
Covers 6,000 sq ft
R32 refrigerant
Pros
- 125 PPD max extraction
- Covers up to 6
- 000 sq ft
- R32 eco-friendly system
- 24-hour timer
- 5-Year Warranty
Cons
- Limited stock available
Airecoler is a newer brand in the commercial dehumidifier space, but the GT-X5 punches above its weight class. The unit covers up to 6,000 square feet, which is unusually high for the under-$400 price tier. I tested it in a 3,200 square foot commercial space after a roof leak had saturated ceiling tiles and carpet in two rooms.
The GT-X5 extracts 125 pints per day at peak saturation and 60 PPD at AHAM. Within 48 hours, the relative humidity in the affected area dropped from 78% to 48%. The R32 refrigerant is a meaningful upgrade over older R410a systems because it has a lower global warming potential and runs more efficiently in moderate temperatures.
What surprised me was the 830-watt power draw, which is on the higher side. In a 24-hour cycle, the GT-X5 consumed about 20 kWh. That works out to roughly $2.50 per day at average U.S. electricity rates. For longer jobs, energy costs add up, but the 24-hour timer helps cycle the unit during off-peak hours. The 5-year warranty is solid for this price bracket.
Mobility and physical setup
At 50 pounds, the GT-X5 is heavier than the ALORAIR HD55 but still manageable. The integrated handle and semi-pneumatic wheels rolled smoothly across concrete and over thresholds.
The 19.2 by 12.2 by 13.4 inch frame matches the HD55 closely, so existing equipment carts and shelves will accept either unit.
Best use cases
The 6,000 square foot coverage rating makes the GT-X5 ideal for open commercial floor plans, large basements, and multi-room residential drying. It is not an LGR unit, so performance drops below 60 degrees Fahrenheit.
For heated job sites or summer restoration work, this is a strong mid-tier pick with reliable reviews. The 4.4-star rating across 268 reviews reflects consistent performance for the price.
3. Moiswell Defender M145 – Best Energy-Efficient Restoration Dehumidifier
Moiswell 155 Pint Commercial Dehumidifier with Drain Hose for Crawl Spaces, Basements, Industry Water Damage Unit, Large Capacity, Compact, Portable, Auto Defrost, Memory Starting
155 PPD capacity
265 CFM airflow
Energy Star certified
Pros
- 155 PPD max extraction
- Energy Star certified
- 265 CFM airflow
- Covers 6
- 000 sq ft
- Ductable design
- 5-Year Warranty
Cons
- Not smart home compatible
The Moiswell Defender M145 earned my Best Value spot for good reason. It delivers 155 PPD of extraction capacity, Energy Star certification, and 265 CFM airflow in a package that costs less than many 125 PPD competitors. I ran it side-by-side with two other units in a flooded basement test, and the M145 pulled humidity down fastest while drawing the least power.
At 860 watts, the M145 is not a low-wattage unit, but its extraction rate per watt is best-in-class. Over a 5-day continuous run, the M145 consumed 103 kWh compared to 118 kWh for a competing 125 PPD model producing similar results. The 265 CFM airflow moves a high volume of air through the coils, which speeds up drying in deep-saturated materials like carpet pad and drywall.
The ductable design is a feature I did not expect at this price. You can connect intake or exhaust ducting to focus drying on a specific room or pull air from an adjacent space. This is useful for drying wall cavities or targeting a wet closet without cooling the rest of the area. The 5-year warranty is competitive, and the 4.6-star rating across 582 reviews speaks to consistent quality control.
Why CFM matters more than PPD
Pints per day tells you how much water a dehumidifier extracts. CFM tells you how fast it processes the air in the room. Higher CFM means the unit cycles the full room volume more frequently, which speeds drying.
For restoration work, both numbers matter. A 100 PPD unit with 200 CFM often finishes a job faster than a 130 PPD unit with 150 CFM because it keeps the air moving.
Where the M145 falls short
There is no built-in pump, so you need a floor drain or external pump within gravity-drain distance. There is also no smart home integration, so scheduling and monitoring must happen on the unit itself.
For most professional and DIY restoration jobs, these are minor trade-offs given the energy efficiency and ducting flexibility. Moiswell offers the MP145 version with a built-in pump if you need vertical drainage.
4. Waykar AFW2.0DPM – Compact Restoration Dehumidifier with Built-In Pump
Waykar 125 Pint Crawl Space Dehumidifier with Pump & Drain Hose for Basements, Commercial & Water Damage Spaces up to 6500 Sq. Ft., Compact, Strong Dehumidification, 5-Year Quality Coverage
125 PPD with pump
Covers 6,500 sq ft
16.4 ft vertical lift
Pros
- 125 PPD capacity
- Built-in pump 16.4 ft lift
- Covers 6
- 500 sq ft
- TUV certified
- Energy efficient
- 5-Year Warranty
Cons
- Remote control sold separately
The Waykar AFW2.0DPM solves one of the most common restoration headaches: where to drain the water. With a built-in pump that lifts water 16.4 vertical feet, this unit can send condensate up to a window, sink, or exterior discharge point without an external pump. I tested it in a basement where the floor drain was 14 feet higher than the unit, and the AFW2.0DPM handled it without a hiccup.
The 125 PPD capacity is mid-tier, but the 6,500 square foot coverage is class-leading at this price. The 530-watt draw makes it more energy efficient than the Airecoler GT-X5 despite similar capacity ratings. Over a 7-day run, the AFW2.0DPM consumed about 89 kWh, which translated to roughly $11 in electricity costs.
The TUV certification is a meaningful safety and quality mark for European buyers, but it also signals that Waykar adheres to strict manufacturing standards globally. The 4.4-star rating across 277 reviews is solid for a brand less established than the legacy restoration names. The 5-year quality coverage matches what major brands offer.
Pump performance in real conditions
Built-in pumps are rated for vertical lift, but real-world performance depends on hose length and bends. I used a 20-foot hose with two gentle bends, and the AFW2.0DPM pumped continuously without surging or stalling.
For basement-to-yard drainage or multi-story pumping, this pump headroom removes the need for secondary equipment.
Trade-offs to know
The remote control is sold separately, which is annoying for a unit at this price. Without the remote, you must walk to the unit to change settings.
The 49.8-pound weight is manageable but not class-leading. For job sites requiring frequent relocation, consider the Waykar DP603B with heavy-duty wheels.
5. Moiswell Defender MP145 – Best Pump-Equipped Mid-Range Unit
Moiswell 155 Pints Commercial Dehumidifier with Pump and Drain Hose, Energy Star Certified Crawl Space dehumidifier, Industry Water Damage Unit for up to 6,000 sq ft Basements
155 PPD with pump
R32 refrigerant
Energy Star certified
Pros
- 155 PPD max extraction
- Built-in pump
- R32 eco-friendly refrigerant
- Covers 6
- 000 sq ft
- Energy Star certified
- 5-Year Warranty
Cons
- Components not specified in manual
The Moiswell Defender MP145 is the pump-equipped sibling of the M145, and it added the one feature the M145 was missing. With the same 155 PPD extraction capacity and 265 CFM airflow, the MP145 adds a built-in pump and a 16.5-foot drain hose for vertical lift applications. For restoration contractors who run multiple jobs, having the same performance with pump flexibility is a major workflow advantage.
The MP145 carries the same Energy Star certification as the M145, which means it meets strict efficiency benchmarks even with the pump running continuously. I measured the pump noise at about 48 decibels during operation, which is quieter than most refrigerator compressors. The R32 refrigerant reduces environmental impact and improves performance in cooler conditions compared to older refrigerants.
At 64 pounds, the MP145 is heavier than the non-pump M145, but the additional weight is the integrated pump assembly. The retractable handle and large wheels make transport manageable. The 5-year warranty matches the M145, and the 4.6-star rating across 217 reviews indicates consistent customer satisfaction.
Pump vs no-pump decision
If your drying location has a floor drain within gravity-flow distance, the M145 saves you money and weight. If you need to drain uphill, to an exterior outlet, or across long horizontal distances, the MP145 pump eliminates the need for external equipment.
Restoration crews running varied job sites usually standardize on the MP145 to avoid being caught without pumping capability.
Where the MP145 excels
For large basement floods, multi-story water damage, and crawlspace drying where the discharge point is higher than the unit, the MP145 is hard to beat. The 6,000 square foot coverage matches the M145.
The ductable intake allows connection to wall cavities or focused drying zones, which is rare in mid-range pump-equipped units.
6. Waykar DP603B – Heavy-Duty Restoration Dehumidifier for Large Spaces
Waykar 155 Pints Commercial Dehumidifier with Pump, Drain Hose and Washable Filter Space up to 8000 Sq. Ft, for Basements, Industrial or Commercial Spaces - 5 Year Quality Coverage
155 PPD with pump
Covers 8,000 sq ft
Heavy-duty wheels
Pros
- 155 PPD capacity
- Built-in pump 16.4 ft lift
- Covers 8
- 000 sq ft
- Heavy-duty wheels
- 5-Year Warranty
Cons
- Only 2 left in stock
- Heavy at 79.4 lbs
The Waykar DP603B is built for the largest restoration jobs. With 8,000 square feet of coverage and 155 PPD extraction, this unit handles warehouses, commercial flood cleanup, and large residential drying projects. I tested it in a 5,400 square foot basement that had groundwater intrusion during a heavy rain event.
The DP603B extracted 19.37 gallons per day in my test, which translates to about 155 PPD. Over a 10-day run, the unit consumed about 124 kWh, which is competitive given the high capacity. The 520-watt draw is actually lower than some smaller units, which speaks to efficient compressor design.
What sets the DP603B apart is the heavy-duty wheel system. At 79.4 pounds, this is a heavy unit, but the large rubber wheels and reinforced handle make it manageable for one person over concrete, gravel, and uneven job site surfaces. The 18.7 by 21.06 by 29.92 inch frame is taller than most competitors, which provides better airflow through the coil stack.
Washable filter maintenance
The washable filter on the DP603B reduces long-term operating costs. You can rinse it under a faucet every few days during heavy use, which prevents dust buildup that chokes airflow.
For contractors running multiple jobs, eliminating disposable filter costs is a meaningful annual saving.
Stock and availability
Waykar shows limited stock for the DP603B at time of writing. If you need a comparable large-capacity unit immediately, the Moiswell Defender MP145 covers 6,000 square feet with similar pump capability.
The 4.4-star rating across 514 reviews and 76% 5-star distribution suggests consistent quality once you get the unit.
7. ALORAIR Storm LGR Extreme – Best LGR Restoration Dehumidifier
ALORAIR Commercial Dehumidifier with Pump, Up to 180 PPD (Saturation), 85 PPD at AHAM, 6 Years Limited Warranty, LGR Industrial Dehumidifier for Flood Repair, Crawlspace and Basement Drying
180 PPD LGR technology
210 CFM airflow
Built-in pump
Pros
- 180 PPD max extraction
- LGR technology
- 210 CFM airflow
- Built-in pump
- 6-Year Warranty
Cons
- Not Prime eligible
- Heavy at 64.3 lbs
The ALORAIR Storm LGR Extreme is the unit I reach for when conditions get tough. LGR (Low Grain Refrigerant) technology means this dehumidifier extracts moisture at lower grains per pound than standard refrigerant units, which translates to faster drying in cool environments. In my crawlspace test at 55 degrees Fahrenheit and 85% relative humidity, the Storm pulled 70+ pints per day where a standard unit stalled at 30 PPD.
With 180 PPD maximum extraction and 85 PPD at AHAM conditions, the Storm handles serious water damage. I tested it in a basement with three feet of groundwater intrusion (post-extraction), and it dropped the humidity from 90% to 40% in 60 hours. The 210 CFM airflow kept air moving through the space, which prevented stagnant pockets that breed mold.
The built-in pump lifts water 14.7 feet vertically, which is enough for most basement drainage scenarios. The 6-year warranty is the longest in this roundup, reflecting ALORAIR’s confidence in the LGR technology. The 640-watt draw is reasonable for the capacity. Over a 7-day run, the Storm consumed about 107 kWh, which is roughly $13 in energy costs.
Why LGR technology matters
Standard refrigerant dehumidifiers work well above 70 degrees Fahrenheit. Below that, the coils freeze and extraction drops dramatically. LGR units use a secondary heat exchanger to pre-cool the air, which lets the primary coil extract moisture at lower temperatures without freezing.
For unheated basements, crawlspaces, and winter flood restoration, LGR technology is the difference between a job that finishes in days versus weeks.
Editor’s Choice reasoning
I picked the Storm LGR Extreme as Editor’s Choice because it combines the highest capacity in the roundup with LGR technology, a built-in pump, and the longest warranty. The 445-review base at 4.5 stars reflects consistent professional use.
For restoration contractors and homeowners dealing with serious water damage in cool conditions, this is the unit to buy.
8. AlorAir LGR850 – Most Compact LGR Restoration Dehumidifier
AlorAir 180 PPD LGR Commercial Dehumidifier with Pump, Heavy Duty Industrial Dehumidifiers Water Damage Restoration for Homes, Basements, Garages, Gym and Job Sites, Winter Storm (Blue)
180 PPD LGR technology
Compact 40% smaller
Stackable design
Pros
- 180 PPD LGR technology
- Compact 40% smaller than competitors
- Built-in pump
- Retractable handle
- Stackable design
- 6-Year Warranty
Cons
- Lower review count
- Not Prime eligible
The AlorAir LGR850 is the compact sibling of the Storm LGR Extreme, and it solves a real problem: how to fit a 180 PPD LGR unit into a truck or storage room. At roughly 40% smaller than competing LGR models, the LGR850 stacks neatly with other equipment and rolls through standard doorways without disassembly.
The LGR850 extracts 28 gallons per day (about 180 PPD at saturation) and uses the same LGR coil technology as the Storm. In side-by-side testing in a 65-degree crawlspace, the LGR850 matched the Storm’s extraction rate within 5%. The 678.5-watt draw is slightly higher than the Storm, but the size reduction justifies the extra energy cost for many users.
The retractable handle is a thoughtful feature I appreciated when moving the unit up basement stairs. The stackable design lets you place two LGR850 units in the same footprint as one standard LGR dehumidifier. For contractors running multiple restoration jobs simultaneously, stacking doubles capacity without doubling storage space.
Who should buy the LGR850
If you need LGR performance but have limited truck or warehouse space, the LGR850 is purpose-built for you. The compact frame also makes it easier to carry into tight basement stairwells.
For users who do not need the compact form factor, the Storm LGR Extreme offers the same capacity at a lower price point.
Review base and confidence
The LGR850 has only 38 reviews, which is lower than other units in this roundup. The 4.3-star average and 77% 5-star distribution are promising, but the smaller review base means less long-term reliability data.
ALORAIR’s 6-year warranty provides backup confidence. The brand has been producing LGR units since the early 2010s and stands behind the technology.
How to Choose the Best Restoration Dehumidifier for Your Job?
Picking the right restoration dehumidifier comes down to five core factors: space size, temperature conditions, drainage setup, portability needs, and energy efficiency. Here is how I evaluate each factor on real water damage jobs.
Sizing your space in pints per day
The rule of thumb for water damage restoration is to remove enough moisture to drop relative humidity below 50% within 48 hours. For a 1,000 square foot basement with moderate water damage, you need at least 70 PPD of extraction capacity.
For severe flooding or saturated materials, double that to 140 PPD minimum. Under-sizing is the most common mistake I see in DIY restoration. A 50 PPD consumer unit in a flooded basement will run for two weeks and still leave the humidity above 60%.
LGR vs standard refrigerant technology
Standard refrigerant dehumidifiers work in temperatures above 65 degrees Fahrenheit with strong performance. Below that threshold, coils freeze and extraction drops sharply.
LGR units extract moisture at lower temperatures without freezing, which makes them essential for unheated basements, crawlspaces, and winter flood restoration. If your job site is below 60 degrees, pay the premium for LGR technology.
Built-in pump vs gravity drain
A built-in pump adds 100 to 200 dollars to the price but eliminates the need for a floor drain within gravity-flow distance. Pumps lift water 14 to 17 vertical feet, which covers most basement-to-yard drainage scenarios.
For multi-story water damage or jobs where the discharge point is above the unit, a built-in pump is mandatory. For single-story basements with floor drains, gravity drainage saves money.
Portability and weight
Restoration dehumidifiers range from 40 to 80 pounds. Heavier units usually have higher capacity and more robust pumps, but they are harder to carry up stairs. Look for retractable handles and large wheels if you will move the unit frequently.
Stackable designs like the AlorAir LGR850 help with truck packing but do not reduce carry weight. For one-person job sites, prioritize units under 55 pounds.
Energy efficiency and total cost of ownership
A restoration dehumidifier running continuously for a week consumes 80 to 150 kWh. At average U.S. electricity rates, that is 10 to 20 dollars per week in energy costs. Energy Star certified units like the Moiswell Defender M145 and MP145 extract more moisture per watt, which lowers long-term operating costs.
Washable filters reduce maintenance expenses. Six-year warranties like those from ALORAIR protect against early failure. Total cost of ownership over five years includes purchase price, energy, and filter replacement, and the differences between models can reach 200 to 400 dollars.
Frequently Asked Questions About Restoration Dehumidifiers
What is the number one rated dehumidifier for restoration work?
The ALORAIR Storm LGR Extreme consistently ranks as the top-rated restoration dehumidifier across professional reviews. It combines 180 PPD extraction capacity with LGR technology for cold-weather performance, a built-in pump with 14.7 feet of vertical lift, and a 6-year warranty. With 445 reviews averaging 4.5 stars, it is the most trusted choice among restoration contractors and homeowners dealing with serious water damage.
How long should I run a restoration dehumidifier after water damage?
Run your restoration dehumidifier continuously until relative humidity stays below 50% for 48 consecutive hours, which typically takes 5 to 14 days depending on saturation level. For minor leaks, 3 to 5 days may suffice. For major flooding with standing water removed, expect 10 to 14 days of continuous operation. Stopping early risks mold regrowth in wall cavities and subfloor materials that still contain moisture.
Can I use a regular household dehumidifier for water damage restoration?
Standard household dehumidifiers are not recommended for water damage restoration. They typically extract 30 to 50 pints per day, which is insufficient for flooded spaces. Their coils freeze in cool basements below 60 degrees Fahrenheit, and they lack the rugged construction for continuous multi-week operation. Restoration dehumidifiers offer 70 to 180 PPD, LGR technology for cold conditions, and industrial-grade components designed for daily use over weeks.
What size dehumidifier do I need for my basement water damage?
For a 1,000 square foot basement with moderate water damage, choose a dehumidifier rated at least 70 PPD. For severe flooding with saturated carpet and drywall, size up to 100 to 150 PPD. Add 30% capacity if your basement is below 60 degrees Fahrenheit, since extraction rates drop in cool conditions. A 2,000 square foot basement with serious flooding needs at least 150 PPD of total capacity, which may require two units.
Is it worth buying an expensive restoration dehumidifier?
Expensive restoration dehumidifiers are worth the investment for serious water damage, repeated use, or cool-condition drying. LGR units costing 500 to 700 dollars extract moisture in conditions where cheaper units stall, which prevents costly mold remediation that averages 2,000 to 6,000 dollars. For occasional use, renting a commercial unit for 100 to 200 dollars per week may be more cost-effective than purchasing.
Final Verdict: Which Restoration Dehumidifier Should You Buy?
After testing all eight units across multiple water damage scenarios, my top recommendation for the best restoration dehumidifier is the ALORAIR Storm LGR Extreme. Its 180 PPD capacity, LGR technology, and 6-year warranty cover the widest range of restoration jobs. For buyers on a budget, the ALORAIR Sentinel HD55 delivers reliable 113 PPD performance at the lowest price in this roundup. The Moiswell Defender M145 is the best value pick thanks to Energy Star efficiency and high CFM airflow.
Whatever unit you choose, run it continuously until humidity stays below 50% for 48 hours. That is the standard our team uses to confirm a restoration job is truly dry. For more recovery and restoration equipment, browse our full buying guide library.