Ultra-Aire SD12 Dehumidifier and Condenser

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NOTE: this unit is only available to contractors for professional installation

The First Split Whole House Ventilating Dehumidifier With No Added Sensible Heat Load — Specifically Designed for Hot, Humid Climates
The revolutionary new Ultra-Aire SD12 transforms how residential humidity issues are solved in hot humid climates. By removing over 180 pints of water per day and providing sensible cooling to the living space — all while adding no sensible heat load — the SD12 is the most efficient, cost-effective way to control humidity, enhance comfort, and boost indoor air quality.

The Ultra-Aire SD12 is the total solution for your customers in hot, humid climates; it provides all the benefits of supplemental whole house dehumidification with none of the drawbacks: heat load, noise, and vibration.

The Ultra-Aire SD12 Offers:

  • Whole House Dehumidification — No Added Sensible Heat Load
  • First Stage Sensible Cooling
  • XT Dehumidification
  • Mechanical Fresh Air Ventilation & High Efficiency Air Filtration
  • Digital Control


Part Number: 4033170

Dehumidifier and Condensing Shipped Together on Pallet

Pallet: Dimensions: 42″W x 32″H x 42″L 220 Lbs.

Dehumidifier Specifications

Part Number:



406 CFM @ 0.0″ WG
374 CFM @ 0.2″ WG
348 CFM @ 0.4″ WG


160 Watts @ 80°F 
and 60% RH

Supply Voltage:

115 VAC – 1 Phase – 60 Hz

Current Draw:

1.4 Amps

Energy Factor:

3.1 L/kWh

Operating Range:

56°F Min and 95°F Max

Sized For:

Up to 4,000 Sq. Ft. – Typical

Minimum Performance at 80°F and 60% RH

Water Removal:

184 Pints/Day

Sensible Cooling:

4,300 BTUs/Hour


6.6 Pints/kWh

Duct Connections:

6″ Round Inlet;
10″ Round Inlet;
10″ Oval Outlet

Air Filter:

Standard MERV 11, Standard Pleat;
Size: 16″ x 20″ x 2″;
Efficiency: 65% ASHRAE Dust Spot
Optional MERV 14, Embossed Pleat;
Size: 20″ x 24″ x 4″;
Efficiency: 95% ASHRAE Dust Spot

Power Cord:

9′, 115 VAC, Ground

Drain Connection:

¾″ Threaded Female NPT


20.25″W x 21.75″H x 41.5″L


110 Lbs.

Condensing Unit Specifications

Part Number:



1,080 Watts @ 80°F and 60% RH

Supply Voltage:

115 VAC – 1 Phase – 60 Hz

Current Draw:

9.7 Amps

Min. Circuit Ampacity:

20 Amps

Max. Fuse
/Breaker Size:

20 Amps




40°F Min, 115°F Max

Power Cord:



10″W x 25.5″H x 33″L


75 Lbs.

Blower Output :
406 cfm
Ultra Aire
Max Coverage:
4000 ft²
Max. Moisture Removal :
87 litres/day
Max. Moisture Removal (US) :
184 pints/day
Operating Range :
56°-95°F (13-35°C)
Power Draw :
11 amps
Pump Out :
  • Crawlspace
  • Whole house

SD12 Manual (Ultra-Aire_SD12_Manual.pdf, 2,229 Kb) [Download]

SD12 Brochure (Ultra-Aire_SD12_Brochure.pdf, 1,636 Kb) [Download]

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