No-works air conditioning for rented flats: why the PortaSplit sells out

Why a tenant cannot (or should not) install a fixed AC

A fixed wall air conditioner is an installation, not an appliance you plug in. And in a rental that runs into several very real barriers:

• Landlord permission: drilling the façade and fixing an outdoor unit alters the property. Without the owner’s written go-ahead, it can count as an unauthorised alteration of the home.
• Community rules: many building communities regulate (or ban) hanging outdoor units on façades and courtyards, for aesthetics or by municipal bylaw.
• The deposit and reversibility: any hole or mark can be deducted from your deposit when you leave. What you install fixed also stays behind: you pay for an improvement to someone else’s flat.

That is why a tenant who wants a cool summer usually needs a no-drill solution: something that really cools and can go with them to the next flat. Even without drilling, check the lease and building rules if an outdoor unit occupies a railing, façade or common element.

What options a rented flat really has

With no works, the real alternatives for a rental are these, with their honest pros and cons:

• No-drill split (Midea PortaSplit style): a true split with an outdoor unit that hangs on the railing or stands on the balcony, connected with a quick coupling. It gives cooling and heating with split-level power and quiet, no drilling. Its snag: it needs a balcony, terrace or railing to place the outdoor part.
• Monobloc portable (hose out the window): the classic one-piece unit that vents hot air through a hose out of the window. It is the cheapest and most available option, but it puts the compressor — and its noise — inside the room and needs a seal or window kit.
• Evaporative coolers and "air coolers": these are not air conditioning. They cool by evaporating water and only help a little in dry air; in a humid heatwave you barely notice them. Do not buy them expecting AC-level cooling.

The one option almost no tenant can use is the window unit (a box wedged into the opening), because it is usually banned by the community and leaves marks. For the technical breakdown of each format, see the air conditioning with no installation guide.

Why the PortaSplit is tenants’ favourite (and why it sells out)

Among all those options, the Midea PortaSplit fills a gap almost nobody else covers, and that is exactly why it flies off the shelves:

• Split performance with no works: with the compressor outside, it cools hard and the annoying noise stays on the balcony, not in the bedroom. For sleeping, it is among the most discreet options you can have without a fixed install.
• No drilling or fixed installation: you leave no holes. That does not automatically permit every outdoor placement, so check the lease, building-community rules and local bylaws before using a railing, façade or common element.
• It moves with you: when you change flats, you take it along. You do not pay for an improvement that stays in someone else’s home, as with a fixed split.
• Cooling and heating year-round: the heat pump makes it useful in winter too, very handy in rentals with meagre heating.

It is precisely that combination — the result of a fixed AC without the ties of a fixed AC — that drives demand among renters. And because Midea distributes few units against that demand, each restock sells out within hours. The detail is in the why the PortaSplit sells out guide.

The catches for renting: balcony, price and availability

So as not to oversell it, these are the PortaSplit’s real limits in a rental:

• You need outdoor space: a balcony, terrace or railing to place the outdoor unit. An interior room facing a tiny light well makes it very hard; there a monobloc venting to a window may be the only option.
• It is a premium product: across monitored Spanish shops its in-season price has ranged from about €990 to €1,234. It is a high outlay for a tenant, though it pays off by being portable between flats and by its low running cost.
• It sells out: its biggest frustration. Seeing it "available" and being able to buy it at a normal price are two different things, and in the thick of a heatwave the scarcity gets worse.

If you have no balcony, or need something now and cheaper, a good monobloc does the job for far less: check the real alternatives to the PortaSplit, all on sale in Spain.

How to get one without fighting the stock

If the PortaSplit fits your rental — you have a balcony and want to sleep without noise — the challenge is not deciding, it is catching it buyable at a normal price before it sells out. You can see its current state on the availability page.

AireRadar continuously watches Spanish shops and verifies every stock change against the product identifier before alerting you. Create your free alert and we’ll message you by email or Telegram — with the direct link — the moment the PortaSplit is buyable again, no refreshing ten sites by hand; the free tier comes with the public information delayed by 20 minutes, no card needed. Want to filter by your price cap and the shops near you? The season pass is €6.60, one-time, valid until 30 September 2026. We sell no appliances; some links may earn a commission, but they are labelled and do not change our recommendation criteria.