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ChillVentVale

Room

An Apartment With No Central Air

Half the pages on this site assume a furnace. This one does not.

An apartment without central air has no ducts, no return slot, and therefore no furnace filter to change. Roughly half of what this site covers does not apply here, and saying so is more useful than pretending otherwise.

What is left is a portable cooling decision, an air movement decision, and a humidity decision — all of them made per room, with equipment that plugs into an outlet and belongs to you rather than to the building.

One constraint decides everything else: whether a window in the room will take an exhaust hose. That is a question about the window, the sash type, the opening, and in many buildings about what the lease and the building rules permit. It is worth answering before anything is ordered.

Links to Amazon on this page are affiliate links. If you buy through one, this site may earn a commission at no additional cost to you. Nothing on the page was tested here and no product placement was paid for.

COOLINGMoving heat and moving air

  • A vented portable air conditioner, if and only if a window works out

    The heat has to leave the building through a hose. If the window does not open in a way the kit fits, or the building does not allow it, no amount of capacity fixes that. Check the window before comparing any numbers.

    See the category

  • The SACC figure, matched against the actual room

    Apartment rooms tend to be small and the stated square footage on these listings ranges from 150 to 550 sq ft on machines whose SACC figures differ by more than double. The smaller number is the one that lines up with area.

    See the category

  • Fans, which need nothing from the building at all

    A pedestal fan needs an outlet and floor space. In an apartment where the cooling options are constrained by the lease, this is the part nobody has to approve, and height and oscillation angle are the specifications that decide where the air goes.

    See the category

  • A rechargeable fan for a balcony or a room with no reachable outlet

    Older apartments put outlets in inconvenient places. A battery-powered fan is not a substitute for a full-size one, but it works where a cord will not reach and does not need an extension lead run across a floor.

    See the category

HEATING & HUMIDITYAdding moisture, or deliberately not

  • A cool mist humidifier for a room that runs dry in winter

    With no central system there is no whole-home humidity anything, so this is a per-room appliance. Runtime and how easy the tank is to clean are the specifications that decide between the units here.

    See the category

  • A unit whose tank you can carry to a small kitchen sink

    Apartment sinks are shallow and often full. A 3 L tank full of water is heavier and more awkward than a 1.5 L one, and the tank that gets cleaned is the one that fits under the tap.

    See the category

BOTHThe filter and the thermostat

There is no furnace filter here, and no return slot to put one in. If the apartment has a through-wall or window unit, it has its own washable or replaceable filter specified by that unit manufacturer, which is a different part from anything in the furnace filter catalog on this site.

The thermostat, where one exists, generally belongs to the building. Do not replace a thermostat in a rented apartment without the landlord agreement. Beyond that: baseboard and wall convector heating is typically line voltage, and the thermostats in this catalog are not built for line voltage. Connecting one to such a system can damage equipment. That check comes before anything else, and if a replacement is ever agreed, power still comes off at the service panel first and an unclear system still goes to a licensed HVAC professional.

Skip these in this room

  • An evaporative cooler bought as a portable air conditioner substitute

    It publishes no BTU figure, it does not move heat out of the room, and it adds humidity. In a small apartment room in summer that is the opposite of the intended effect.

  • Venting an exhaust hose into a closet, a hallway, or a drop ceiling

    The heat has to leave the building. Any indoor destination puts it straight back into the apartment and stops the machine from doing anything useful.

  • Replacing a landlord thermostat without asking

    It is not your equipment, and the system type may be one these thermostats do not work with at all. Line voltage systems are common in older apartments and are outside what any thermostat here is built for.

Before anything else in this room

The exhaust hose on a portable unit gets hot. Keep it clear of curtains, bedding, and furniture, and keep the run short and straight.

Also worth stating plainly (2)

Line voltage heating — electric baseboard and wall convectors — is not compatible with the thermostats in this catalog. Confirm the system type before shopping, and involve a licensed professional if it is unclear.

The replacements this page names

Every figure on these cards is read off the listing it belongs to. They appear here because a column above named something concrete for apartment with no central air.

Midea Portable AC, 8,500 BTU ASHRAE

Midea Portable AC, 8,500 BTU ASHRAE

  • 8,500 BTU ASHRAE
  • 5,000 BTU SACC
  • 150 sq ft stated

The smallest vented unit in the catalog and the most internally consistent one: the listing states 8,500 BTU ASHRAE, 5,000 BTU SACC, and up to 150 sq ft. That stated area is well under what the other listings claim from similar SACC figures, which reads as a more conservative seller figure rather than a weaker machine.

What the listing supports, and what it does not
  • The stated 150 sq ft is the most conservative coverage figure among these listings
  • A window kit is stated as included
  • Smallest stated SACC in the catalog, which suits a single small room
  • App and remote control are both stated
  • The stated 150 sq ft rules it out for the open-plan rooms the larger units advertise
  • The ASHRAE headline is still 70 percent above the stated SACC figure
  • Small cabinet or not, the exhaust hose requirement does not shrink with it

Best forOne small bedroom or a home office with a single window.

Check it on Amazon
Folding Rechargeable Fan, 8.6 in

Folding Rechargeable Fan, 8.6 in

A portable fan rather than a full-size pedestal unit, and the listing says so. An 8.6 in head, an 8000 mAh battery, USB-C charging, oscillation and a remote are stated. It runs where there is no outlet, which is the whole reason it exists and the reason it sits in its own subgroup away from the full-size fans.

What the listing supports, and what it does not
  • Runs on a stated 8000 mAh battery, so an outlet is optional
  • USB-C charging uses the same cable as most other things in the house
  • Folds down for storage or transport
  • Oscillation and a remote are stated despite the small format
  • An 8.6 in head moves far less air than the 16 and 18 in fans here
  • Battery life depends on speed setting and is not stated per speed
  • Not a substitute for a full-size fan in a room-wide airflow job

Best forA balcony, a tent, or a desk with no outlet within reach of the cord.

Check it on Amazon
Smallest tank here
MegaWise Ultrasonic Humidifier, 1.5 L

MegaWise Ultrasonic Humidifier, 1.5 L

The smallest tank in the catalog at 1.5 L, ultrasonic, with a stated adjustable mist output and auto shut-off. A small tank empties sooner, which is inconvenient and also means the water in it is fresher. Nothing else is stated in the listing, so nothing else is claimed here.

What the listing supports, and what it does not
  • A 1.5 L tank is light enough to carry to the sink one-handed
  • Adjustable mist output is stated rather than a single fixed rate
  • Auto shut-off is stated for when the tank empties
  • A smaller tank turns over its water more often between refills
  • No runtime figure is stated, and a small tank will not run a long night at high output
  • No noise figure is stated in the listing
  • Ultrasonic units can deposit mineral dust depending on the water used

Best forA small room or a desk where a large tank would be in the way.

Check it on Amazon

To repeat what is said at the top of the page: the Amazon links here are affiliate links and may earn this site a commission. Ordering, badges, and every claim on the page were decided from what the listings state, not from any commercial arrangement.

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