290 Pint Commercial Dehumidifier with Built-in Pump, 9000 Sq Ft, 350 CFM, 55 dB, Yellow and White

Stock, timber and equipment sitting in a large building take on moisture nobody measures until something is ruined. Household machines are put in the corner as a gesture and never move the reading, because the volume of air is an order of magnitude larger.

290 pints a day at saturation, 350 CFM of air movement and a manufacturer coverage figure of 9,000 sq ft put this in a different class. It drains itself through the pump and rolls on four casters, two of them braked, so it can be repositioned as the season changes.

The four numbers that define it

9,000 sq ft of rated coverage, 290 pints a day at saturation, 350 CFM of air volume and 55 dB of noise. That last one is worth noting: 55 dB is loud for a living room but unremarkable in a warehouse or a gym, which is where this belongs. Note also that the store's own product text carries a placeholder instead of the coverage figure. The 9,000 sq ft comes from the manufacturer's own artwork.

Up the stairs without anyone carrying it

The hose in this photo runs up a flight of steps, which is exactly what the pump is for. It moves water 16 ft vertically and 16 ft along. Read the small print at the bottom of the frame though: the hose in the box is 3.3 ft. For a run like the one shown you will be buying a longer length, which is cheap but easy to forget on the day it arrives.

Four keys and a number you can read across a room

The panel is a sealed touch surface, which matters where dust gets into buttons. It shows the humidity it is reading, and four keys cover on and off, up, down and mode. Two wind speeds, a 24 hour timer and an auto defrost cycle sit behind them. Set a target between 30% and 80% and it will hold it.

Ninety three pounds that still rolls

Four universal casters, two of them with brakes. That combination is what you want in a building where the machine needs moving between bays but must stay put on a sloped or polished floor. There is a built-in handle for steering it, and the small footprint means it fits between racking rather than blocking an aisle.

No tank to empty. The pump moves water 16 ft vertically and 16 ft along, so a drain on another level is still usable.

290 pints a day at 95F and 90% RH, 190 at 86F and 80%, and 116 pints at the AHAM 80F and 60% condition.

Enough to keep a large building circulating. It is what the 9,000 sq ft coverage figure depends on.

41F to 95F (5C to 35C). Worth checking against your building before winter, because compressor machines lose ground below that.

A flat touch surface rather than mechanical buttons, with a humidity display, two wind speeds, a 24 hour timer and auto defrost.

Moves easily and then stays where you put it. At 93 lbs on a polished concrete floor, the brakes are not decoration.

A metal cabinet with copper in the coil circuit, rather than a moulded plastic shell. Built for permanent commercial use.

110V, 60Hz at 1,200W. That is roughly 11A, so it needs a grounded Canadian outlet on a circuit of its own.

Ships from a Canadian warehouse. Free shipping on orders over $150. Some remote areas, PO boxes and surcharge regions may be excluded or charged extra.

Return within 14 days of purchase, unused, in original condition and packaging.

Covered directly by the manufacturer under their warranty terms for material and manufacturing defects.

9,000 sq ft of rated coverage with 350 CFM behind it. At 55 dB it belongs in a working building rather than a home.

Continuous pumped drainage and a metal cabinet. Four casters with two brakes let it be repositioned as the work moves.

Set a target between 30% and 80% and the auto defrost and pump let it run without anyone attending to it.

That is the manufacturer's published range. A building that drops toward freezing needs a desiccant machine instead.

What we stand behind

• Ships from a Canadian warehouse, with free shipping on orders over $150
• 14 day returns on unused items in original condition and packaging
• Covered by the manufacturer's own warranty for material and manufacturing defects
• The water pump is built in, so there is no separate pump to buy

Is 290 pints a day realistic in my building?

That figure is measured at 95F and 90% relative humidity, which is hot, saturated air. At 86F and 80% the manufacturer publishes 190 pints, and at 80F and 60%, the long standing AHAM condition, 116 pints. Most Canadian buildings sit closer to the AHAM condition in summer and well below it the rest of the year, so use 116 pints as your planning figure.

Will the supplied hose reach my drain?

Probably not. The pump will move water 16 ft up or 16 ft along, but the hose in the box is 3.3 ft. Work out the run before delivery and buy a longer hose to match. This is the most common complaint with any pumped machine and it is a five dollar fix if you plan for it.

How loud is 55 dB?

Roughly the level of a conversation at the other end of a room. In a warehouse, a gym or a construction site nobody will notice it. In a home office or a bedroom it is too loud to sit beside, and a smaller household unit at around 40 dB would be the better choice.

What electrical supply does it need?

110V, 60Hz at 1,200W, which is roughly 11 amps drawn continuously. That is a standard grounded Canadian outlet, but it must be a circuit this machine does not share. Do not run it through an extension cord, and if the building has older wiring, have an electrician confirm the circuit before you leave it running unattended.