Portable air conditioners by energy efficiency

Portable Air Conditioner - 5100 BTU 24V DC/4500 BTU 110V, Du...

A low-draw camper AC that mostly gets the job done

Portable Air Conditioner 9000 BTU Cool Only Unit with Remote...

A basic 7000–9000 BTU unit that just about does the job

COSTWAY

4 in 1 Portable Air Conditioner, 7000/9000 BTU Mobile Cooler...

A compact unit that cools well but isn’t exactly quiet

R290 Portable Air Conditioner Conditioning Unit 8000BTU 2300...

A no-frills mobile AC that cools well but shouts while doing it

HUMILABS

9000 BTU Air Conditioning Unit, 4-in-1 Portable Air Conditio...

Compact unit that cools well but isn’t magic

DeLonghi

De'Longhi Pinguino PACEX100 Silent - Portable Air Conditione...

Strong cooling, not-so-silent noise and a steep price

9000 BTU Portable Air Conditioner, 3-in-1 AC Unit with Cooli...

Cheap way to cool a small room, with one big catch

Air Conditioning Unit 7000BTU, Portable Air Conditioner with...

Cheap, compact and good enough for small rooms

Portable Air Cooler, 6 in 1 Air Conditioner 1200ML Evaporati...

A small tower fan that cools you, not the whole house

9000 BTU Portable Air Conditioner, 4-in-1 Mobile Air Conditi...

Budget-friendly cooling with some real trade-offs

Garvee

3-in-1 Portable Air Conditioner 9000 BTU with Dehumidifier &...

A compact unit that actually cools

Pro Breeze

4-in-1 Air Cooler with 10 Litre Capacity, Remote Control, 3...

A beefed‑up fan that helps in a UK heatwave (if you use it right)