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Daiho Dehumidifiers

Commercial and industrial dehumidifiers from Foshan, China — portable commercial units and vertical industrial units, for warehouses, factories, basements and garages.

DH-D-20IH Industrial Dehumidifier

DH-D-20IH industrial dehumidifier, side-angle view with caster wheels
Product image from the manufacturer's official site.

The DH-D-20IH is the tabled model on the 15–40 litre-per-hour industrial page: a heavy-duty vertical industrial dehumidifier for high-performance moisture extraction, for warehouses, manufacturing plants and storage facilities. The page title is a range; the parameter block tables one model, and this page specifies that model only.

Parameter block — detail page

The table below is the parameter block from the DH-D-20IH detail page, reproduced with the same fields and figures. The capacity row states 20 litres per hour. The page graphic adds a daily range of 440 to 528 litres per day with an applicable area of 600 to 800 square metres, and that range is quoted in the next section as the graphic's claim, not as a parameter-block value. The power rows state 7600 watts rated and 8400 watts maximum, on a 380 volt three-phase supply at 50 hertz.

FieldValue
ModelDH-D-20IH
Dehumidification capacity20 L/h
Power supply380V 3N~50Hz
Rated power7600W
Rated current11.6A
Maximum power8400W
Operating temperature range5℃–38℃
Circulating air volume6500 m³/h
Applicable area600–800㎡
Package size1080*560*1840 mm

Page graphic wording, quoted as a graphic claim

The page carries a specification graphic whose wording is recorded here as the graphic's wording. It names the same settings as the smaller industrial page — underground garages, shopping malls, bath centers, drying rooms and home dehumidification — describes the unit as a high-power industrial and commercial dehumidifier, and states a daily range of 440 to 528 litres per day with an applicable area of 600 to 800 square metres. The applicable area agrees with the parameter block's 600 to 800 square metres. The daily range is the graphic's claim, quoted with that label, and it is not derived from the hourly figure on this page. A buyer comparing the two industrial models should compare the parameter-block figures — 12 against 20 litres per hour, 4300 against 7600 watts rated, 3000 against 6500 cubic metres per hour — and treat the graphic ranges as the separate claims they are, each labelled with its page.

Features, quoted as page claims

The detail page describes a heavy-duty vertical industrial dehumidifier with a digital control panel, a robust metal housing, and a powerful airflow design, for large commercial spaces, with caster wheels, a top-mounted exhaust system, continuous dehumidification, and error diagnostics, preventing mold, corrosion and equipment damage, with precise humidity settings and automatic operation. Its feature table carries the same six rows as the smaller industrial page, with moisture removal of up to 440 litres per day in the first row: the same 10-or-more-years casing claim, the same 30 to 90 percent relative humidity panel range, mobility wheels, an integrated drainage system, and efficient heat dissipation. Those are the page's claims, quoted as such. The page carries the same marketing blocks as the smaller industrial page, describing nine upgraded functions and construction details, and they are treated the same way here: company marketing copy, quoted with that attribution, never as specifications. No feature on this page states a second model, a different supply, or a tank, and none is claimed.

Applications listed on the detail page

The detail page lists large-scale factory production lines, naming automotive, electronics and machinery plants; industrial warehouses, naming textiles, electronics and raw materials; basement utility areas; food and beverage processing facilities; and pharmaceutical manufacturing plants. That list is the whole of the application evidence for this model, and it is the list the factory and warehouse pages draw on. The applicable area of 600 to 800 square metres is the figure the parameter block states, and it is the largest area figure on this site: a space larger than that, or a space with a heavier humidity load than the page describes, is a question for the inquiry, with the space, its use and its heat and moisture sources described. The basement utility areas in the list are working utility spaces, and the basement page treats them alongside the commercial basement applications, keeping the drainage and prevention facts in their own places.

Drainage, supply and operating conditions

This model uses drainage only: the page describes continuous dehumidification with an integrated drainage system, and no water tank is mentioned. No tank volume is therefore stated for this model. The power supply is 380 volt three-phase at 50 hertz, with a rated current of 11.6 amps: the supply question must be answered before ordering, with the actual supply at the installation stated. The operating temperature range is 5 to 38 degrees Celsius, the circulating air volume is 6500 cubic metres per hour — more than double the smaller industrial model's — and the package size is 1080 by 560 by 1840 millimetres. The unit is the largest on this site by every parameter-block measure, and the package dimensions are the figures to check against doorways, lifts and access routes. No refrigerant type, sound-level figure or net weight is stated on the page, and none is stated here. The 15 and 40 litre-per-hour ends of the page title have no parameter blocks and are not models on this site.

Before ordering, confirm: the exact model and voltage for your site, the area and humidity load you need to cover, MOQ, lead time, and warranty. This page lists only what the source material verifies; anything not listed here is a question to ask, not a specification to assume.

Related pages

DH-D-12IH

The smaller industrial model: 12 L/h, 4300 W, 3000 m³/h, 450–500 m².

Request a dehumidifier layout

Send your application, the area to be dried, and the voltage at the installation, and ask for a layout using the models on this page. Before payment, confirm MOQ, lead time, voltage, and warranty for your order.

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