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Santa Fe In-Wall Dehumidifier (UltraMD33) - ul7552

Santa Fe In-Wall Dehumidifier (UltraMD33) - ul7552

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Santa Fe In-Wall Dehumidifier (UltraMD33) - ul7552

The Santa Fe UltraMD33 In-Wall Dehumidifier is the ideal solution for homeowners seeking discreet, energy-efficient moisture control independent from their HVAC system.

Specifically designed to fit neatly into standard wall cavities, this compact dehumidifier effectively manages humidity in spaces up to 1,200 square feet. Whether used as a dehumidifier for basements, garages, attics, crawl spaces, or even smaller spaces like closets, and workshops, this dehumidifier provides reliable whole-house dehumidification to protect from humidity-related issues like mold, musty odors, and structural damage. 

Features 
  • Slim In-Wall Design: At only 5.75 inches deep, this compact dehumidifier discreetly fits into standard 2 x 6 or even 2 x 4-inch wall cavities, making it perfect for retrofit and new construction applications.
  • Efficient Moisture Removal: Capable of removing up to 37 pints of moisture per day at 80 degrees F and 60 percent RH, and 22 pints at 65 degrees F and 60 percent RH, ensuring ideal humidity for your home year-round.
  • Energy Efficient: Achieves a high energy factor of 2.4 L/kWh (at 80 degrees F and 60 percent RH), offering significant cost savings compared to traditional portable units.
    Safety Listed: Built to comply with ETL, UL, and CSA standards.
  • Quiet Operation: Producing a maximum of 46 dB (similar to the noise level of a desk fan), the UltraMD33 dehumidifier provides comfortable humidity control without disrupting your daily activities.
  • Internally Mounted Digital Control: An easy-to-use digital dehumidistat lets you precisely set and maintain desired humidity levels for enhanced indoor comfort.
  • Automatic Restart: If a power outage occurs, this dehumidifier will restart once power is restored and revert to the pre-outage settings.
  • MERV 13 Filtration: This model has a washable MERV 13 filter, effectively capturing airborne allergens and particulates, significantly improving indoor air quality.
  • Drainage Options: Continuously drain condensation with the included 10-foot drain hose, which allows gravity drainage on its own, or connect to anfor greater vertical and horizontal moisture removal.
  • Installation Considerations: In-the-wall installation must be done on an interior wall and can be hardwired or plugged into a standard outlet. Professional installation is recommended.
What our Experts Think
  • True In-Wall Design = Clean, Hidden Installation
    One of the only dehumidifiers built to install directly inside wall studs, delivering moisture control without bulky floor units—ideal for finished spaces and modern builds.
  • Efficient for Small–Mid Spaces (Up to ~1,200 sq. ft.)
    Removes 33–37 pints/day, making it perfect for apartments, basements, and targeted zones rather than full large-home coverage.
  • Hands-Off Drain System (No Emptying Required)
    Designed to drain directly into plumbing or a hub drain, eliminating manual water removal—true set-it-and-forget-it performance.
  • Ultra-Slim, Space-Saving Profile
    At under 6" depth, it fits inside standard 2x4 walls—a major advantage where floor space is limited or aesthetics matter.
  • Independent Operation (No HVAC Needed)
    Runs completely standalone from your HVAC system, making it ideal for retrofits, rentals, or problem areas needing dedicated humidity control.
  • Quiet, Low-Power Operation
    Operates around 45 dBA with low energy draw (~260W)—great for living spaces like bedrooms, offices, or media rooms.
  • Built for Durability (Dual-Coated Coils + 6-Year Warranty)
    Features corrosion-resistant coils and long warranty coverage, reflecting contractor-grade reliability in a compact format.
Q&A

Q: What is the Santa Fe UltraMD33 Dehumidifier designed for?
A: The Santa Fe UltraMD33 is a true in-wall dehumidifier designed for discreet installation inside walls, making it ideal for apartments, basements, and whole-home humidity control.

Q: How much moisture can it remove per day?
A: It removes up to 33–37 pints of moisture per day, helping prevent mold, mildew, and excess humidity.

Q: What size area is it suitable for?
A: It is designed for spaces up to 1,200 sq. ft., perfect for smaller homes or targeted areas.

Q: What makes it different from standard dehumidifiers?
A: Its slim in-wall design fits between wall studs, offering a clean, space-saving solution without bulky floor units.

Q: Does it require a drain or manual emptying?
A: No buckets needed—it connects directly to a drain or plumbing line, making it a low-maintenance, hands-off system.

Q: Can it work independently of HVAC systems?
A: Yes, it operates independently of your HVAC system, giving flexible installation options.

Q: Is it energy efficient?
A: Yes, it exceeds DOE efficiency standards while delivering reliable moisture removal.

Q: Does it include built-in controls?
A: Yes, it features a digital humidity control (dehumidistat) hidden behind a tamper-proof cover.

Q: What type of filtration does it use?
A: It includes a washable air filter, helping improve indoor air quality and reduce maintenance costs.

Maintenance Tips
  • Clean washable air filter regularly – Rinse every 1–3 months and replace if damaged to maintain airflow and efficiency.
  • Keep wall vents unobstructed – Ensure intake and discharge grilles are clear for proper air circulation (critical for in-wall units).
  • Check drain line & plumbing connection – Inspect for clogs or leaks since the unit drains directly into a hub drain/plumbing system.
  • Wipe intake/exhaust areas – Prevent dust buildup that can reduce performance and strain the blower.
  • Monitor humidity settings – Verify onboard digital control is set correctly for consistent moisture removal.
  • Operate within recommended temperature range – Ideal range is ~49°F–95°F for optimal efficiency and to avoid freezing issues.
  • Inspect for unusual noise or reduced output – Early detection helps prevent costly internal repairs.
  • Annual professional check-up – Recommended for sealed system, coils, and electrical components (since in-wall units are less accessible).