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Description
The Moiswell Defender MP145 is a low-profile commercial crawl space dehumidifier that removes up to 155 pints of moisture per day (70 pints per day AHAM) and covers up to 6,000 square feet with 265 CFM airflow. Its built-in pump lifts water up to 16.5 feet through the supplied 16.5-foot hose.
Highlights
- Low-profile horizontal build: 22.5 × 14 × 14.7 in. and 64 lb, sized for crawl spaces, tight basements and floor-joist installs.
- Built-in condensate pump: drains water up and out of below-grade spaces with no bucket to empty.
- Energy Star, R32 refrigerant: R32 has zero ozone depletion potential, and Moiswell rates it at 70% lower global warming potential than R410 units.
- Set-and-hold humidity control: pick a target level and the unit cycles on and off automatically to keep it there.
- Ductable outlet: connect to ductwork for whole-space air circulation, or add an optional remote dehumidistat.
- Built for unattended jobs: auto restart after a power loss and error detection suit long drying runs.
Details
The Defender MP145 is aimed at crawl space encapsulation specialists, basement waterproofing contractors, HVAC installers and property managers who need a compact crawl space dehumidifier that can run unattended. It reduces dampness and musty odors and helps control humidity that can lead to mold and mildew growth in basements, storage rooms and offices. Moiswell lists a two-year parts-and-labor warranty and a five-year compressor-and-coil warranty.
Need Help?
If you have questions about this product before you order, our team is happy to help.
Email: support@avermontdirect.com
Phone: +1 (844) 455-3695
Hours: Monday–Friday, 9AM–5PM
Live Chat: Available 24/7
| Brand | Moiswell |
| Model | Defender MP145 |
| Maximum Moisture Removal | 155 pints per day |
| AHAM Moisture Removal | 70 pints per day |
| Airflow | 265 CFM |
| Coverage | Up to 6,000 sq. ft. |
| Drainage | Built-in condensate pump |
| Drain Hose | 16.5 ft. |
| Maximum Pump Height | 16.5 ft. vertical |
| Refrigerant | R32 |
| Energy Star | Yes |
| Operating Temperature | 41°F–95°F |
| Auto Defrost | Yes |
| Power-Outage Auto-Restart | Yes |
| Automatic Error Detection | Yes |
| Color | Black and white |
| Dimensions (L × W × H) | 22.5 × 14 × 14.7 in. |
| Weight | 64 lb. |
| Voltage | 110–120V, 60Hz |
| Power Cord | 6.56 ft., 115VAC, grounded |
| Plug Type | Type B |
| Warranty | 2-year parts and labor, 5-year compressor and coil (manufacturer) |
- Included: Defender MP145 dehumidifier, 16.5 ft. drain hose, electrical cord, owner's manual.
- Sold separately: remote controller (dehumidistat) and ducting accessories.
- Secure the drain hose and keep it free of kinks, bends and obstructions. Keep the air inlet and outlet clear.
- Power: requires a grounded 110–120V, 60Hz outlet (Type B plug).
- Moiswell lists lifetime technical support.
Shipping
- Orders of $200 or more ship free within the contiguous United States. Orders under $200 ship for a flat $9.99.
- In-stock items (shown as “In Stock” on the product page) ordered before 1:00 PM Pacific Time on a business day typically ship within 1–3 business days. Delivery usually takes 3–7 business days after shipping.
- Backorder, Partial Backorder and Custom Order items are not covered by the 1–3 business day processing time. Their estimated restock or ship time is shown in the stock status on the product page before you order.
- Large items ship by freight and are typically delivered curbside. Smaller items ship by ground carrier such as FedEx or UPS.
- We ship to the 48 contiguous states. We do not ship to Alaska, Hawaii or P.O. boxes.
- Please inspect your delivery on arrival and report any concealed damage or missing parts within 24 hours.
Returns
- Returns can be requested within 30 days of delivery. Items must be unused, uninstalled, in new resalable condition and in their original packaging, including the pallet if delivered on one.
- Approved returns are subject to a 15% restocking fee, and return shipping costs are the customer’s responsibility unless the return is the result of our error.
- Installed or used products, custom and made-to-order items, clearance or final-sale items, and replacement parts and accessories are not eligible for return.
Full Shipping Policy Full Return Policy Questions? +1 (844) 455-3695








