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Real BTU Check product guide

Midea Duo MAP12S1TBL Hose-in-Hose Portable Air Conditioner

A 450 sq ft room where the unit can stand 10 inches off the wall

The Duo puts intake and exhaust in one concentric hose, so it behaves like a dual-hose unit with a single duct to the window. Amazon calls it 12,000 BTU with 10,000 SACC; Midea calls the same model 10,000 BTU DOE for 450 square feet. The manual wants 9.8 inches off the wall, 19.7 inches clear of the louver, a grounded outlet with no extension cord, and a filter clean every two weeks.

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Published specifications

  • Maker page: model MAP12S1TBL, cooling only, 450 sq ft, 1-year warranty
  • Listing title and manual family: 12,000 BTU/h; 10,000 BTU SACC (different tests)
  • Manual: window kit fits openings 19.05-63.86 in; hung and sliding windows
  • Manual: 9.8 in from the wall, 19.7 in clear of the louver, 20 in clear of the hose
  • Manual: Cool 60-95 F, Dry 55-95 F; set point 60-86 F; filter clean every 2 weeks
  • Maker 16.73 D x 19.53 W x 32.48 H in, 72.75 lb; Amazon table gives 34.48 H

Fit and limits

Strengths

  • Hose-in-hose duct gives dual-hose behaviour with one hose to the window
  • Continuous drain option in Dry mode, plus casters and side handles for moving it
  • Maker page names this exact model number, so the 450 sq ft claim is checkable

Caveats

  • Clearances are large: 9.8 in off the wall and 19.7 in in front of the louver
  • Listing's own fields conflict: R-32 in the bullets versus R 410A in the table, and a 34.48 in height against the maker's 32.48 in
  • Manual forbids extension cords and adapter plugs, so a grounded outlet must be in reach

What MAP12S1TBL is, and what the box holds

MAP12S1TBL is the black, cooling-only member of Midea's Duo portable air conditioner family. Midea's own page lists its comfort features as cool, dehumidify and ventilate, and answers Heat with No. The manual's mode list includes a HEAT position but marks it "cooling only models excluded", and the heat-pump accessories it describes, including the air hose insulator and the extra drain hose adaptor, are labelled for heat-pump models only. If you want a portable unit that also heats, this is not the model in the family to buy.

The manual's accessory table lists the air exhaust adapter, two window sliders, a window kit brace, front, rear and air-divider pieces of the sliding window adapter, bolts, three kinds of foam seal, a security bracket with two screws, insulators, a drain hose and adaptor, a power cord buckle for the cooling model, and a remote control with battery. Midea's page lists a reusable and washable filter. The listing adds two AAA batteries for the remote and a six-foot cord.

Midea gives the body as 16.73 inches deep, 19.53 wide and 32.48 high at 72.75 pounds. Amazon's table repeats the depth, width and roughly the weight but lists the height as 34.48 inches. That is a two-inch disagreement between the maker and the retail listing on the same model, so measure against the taller figure if height is tight, and check the unit itself.

Three different capacity numbers, and one that belongs to a different model

The Amazon title calls this 12,000 BTU with 10,000 BTU SACC. Midea's own page calls the same model number a 10,000 BTU DOE unit for spaces up to 450 square feet. The manual's cover gives a family capacity of 12,000 to 14,000 BTU/h across MAP12S1TBL, MAP14S1TBL and MAP14HS1TBL. These are not errors stacked on each other: the older ASHRAE-style rating and the DOE/SACC rating are measured under different test conditions and are not interchangeable. We do not convert one into the other, and neither should anyone quoting a single number at you.

Amazon's expanded spec fields also show an ASHRAE Rating of 14,000 BTU, an Alternate SACC Rating of 12,000 BTU and a Maximum Floor Area of 550 square feet, alongside a Floor Area of 450 square feet in the same table. The 14,000 and 550 figures match the larger MAP14 models that share this manual, not MAP12S1TBL. Where the listing table and the maker's model page disagree, the model page is the one that names only this model number.

For sizing, the figure tied to this exact model on Midea's page is 450 square feet. Treat that as a maker claim for a room with no unusual heat load, not a guarantee, and read the rest of this page for the conditions the manual puts around it.

Hose-in-hose is a dual-hose function inside one duct

Midea's marketing calls the Duo design industry-first hose-in-hose: intake and exhaust both run outdoors through concentric ducts rather than through two separate hoses strung to the window. Amazon's table describes the same thing as a dual concentric hose. The practical point is that you get the dual-hose behaviour of not pulling conditioned indoor air out of the room, while only one duct has to reach the window.

The manual's window kit fits window openings from 19.05 to 63.86 inches, which is 48.4 to 162.2 cm, and covers both hung and horizontal sliding windows with different adapter assemblies. Tools you supply yourself are a Phillips screwdriver, a tape measure, a knife or scissors, and optionally a saw to shorten the window adapter for a narrow window. Foam seal C is cut to the window width or height and pushed between glass and frame to close the gap a slider leaves.

None of the sources read gives the exhaust hose length. Amazon's "Hose Extension Range 0.98\" - 3.94\"" field is not a usable hose length, and we will not guess at one. If the distance from where the unit will stand to the window matters to you, ask the seller or measure against the unit before committing.

Clearance: the manual wants far more room than the footprint

The installation section asks for the unit to sit on an even surface, near a grounded outlet, with the collection tray drain on the back accessible. It requires at least 9.8 inches, 25 cm, from the nearest wall, and says the horizontal louver blade should be at least 19.7 inches, 50 cm, away from obstacles. A separate notice adds that no objects should sit within about 20 inches of the inlet and outlet hose.

Put together, a body under 20 inches wide needs a clear zone considerably larger in every direction, with roughly half a metre of open air in front of the louver. That rules out tucking it into an alcove or behind furniture, which is where people often want a portable unit to live. Measure the clear space, not just the footprint.

The same section warns against covering the intakes, outlets or the remote signal receptor, and the manual elsewhere says not to overextend or bend the hose. Four casters and recessed side handles make it movable between rooms, but each room has to meet the same clearances.

The listing says self-evaporating; the manual gives you three drain plugs

Amazon's spec table lists Condensation Management as a self-evaporating system. The manual describes something more specific. In Dry mode you remove the upper drain plug at the back and fit the drain connector, a 5/8-inch universal female adapter, to a 3/4-inch hose you supply, then run that hose to a drain. Heat mode uses the middle plug the same way. The hose can be raised up to six feet, must not kink, and must end pointing downward.

When the bottom tray fills, the unit beeps eight times and shows P1, cooling and dehumidifying stop immediately while the fan keeps running, and you have to move the unit to a drain point, pull the bottom drain plug, let it empty, refit the plug and restart. The manual tells you to drain the tray immediately after a P1 and before storage to prevent mould. So in humid conditions the accurate description is that it manages most condensate but can still stop and ask to be emptied unless you have run a continuous drain hose.

The manual's operating ranges are 60 to 95 degrees Fahrenheit in Cool and 55 to 95 in Dry; the 41 to 86 degree heat-pump range applies to the heat models only. The thermostat itself sets between 60 and 86 degrees. After the unit stops it will not restart for three minutes, by design, and it resumes its previous settings by itself after a power cut.

Power rules, filter care, warranty and a manual that is not only Midea's

The listing gives 115 volts and 1,200 watts with a six-foot cord. The manual is blunt about how it must be plugged in: do not use an extension cord or an adapter plug, do not remove any prongs, do not modify the cord length, do not share the outlet with other appliances, and use a properly grounded receptacle that stays accessible after installation, protected by a time-delay fuse or circuit breaker. If yours is not, it asks you to have an electrician fit one. The cord carries a current-detection device with TEST and RESET buttons that must be reset to run, and it cannot be repaired if damaged.

The refrigerant is where the listing contradicts itself. Amazon's table says R 410A while Amazon's own first bullet says R-32, and the manual carries the full flammable-refrigerant warning set for R32: no open flames or spark sources nearby, do not pierce or burn, keep ventilation openings clear, and be aware the refrigerant may have no smell. Treat this as an R32 unit and leave any service on the sealed system to a qualified technician. Care is otherwise light: clean the filter every two weeks, never run it without the filter, wipe down with a soft cloth only, and before storage run the unit on FAN for 12 hours in a warm room to dry it out.

Midea's page states a one-year warranty and the listing description claims one year parts and labour; the manual pages read contain no warranty text, so check the printed terms that arrive with the unit. One oddity worth knowing: this Midea-branded listing supplies a manual whose body text refers to a Toshiba portable air conditioner and tells you to use a Toshiba authorised servicer on 1-855-204-5313, while the cover gives Midea customer service as 1-866-646-4332. It is a shared manual across two brands the same maker builds for. Use the number on the unit's own serial plate and the paperwork in your box, not whichever one you read first.

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Primary sources

  1. Midea US product page for the exact model MAP12S1TBL
  2. User manual supplied on the listing, covering MAP12S1TBL, MAP14S1TBL and MAP14HS1TBL

Primary sources checked .

Compare with

Side-by-side pages, this model next to: Frigidaire FHPC082AC1 8,000 BTU Portable Air Conditioner, Midea MAP05S1AWT EasyCool Smart Portable Air Conditioner, BLACK+DECKER BPACT14WT Portable Air Conditioner.

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