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Guide: the 3 best energy efficient portable air conditioners (April 2026)

#1
MeacoCool MC Series 8,000R Portable Air Conditioner - Powerful Portable Air Conditioner, Energy Efficient with Two Window Venting Kits included 8000

Meaco

MeacoCool MC Series 8000R Portable AC

★★★★★ ★★★★★ 8.0/10
+ Cools small to medium rooms effectively with 8000 BTU power
+ Includes both rigid and flexible window kits, so no extra venting kit needed for most windows
#2
MOBIS 9 UK portable air conditioner, 9000 BTU, A energy class, white - Manufactured to be installed in UK (3381529)

Ariston

MOBIS 9 9000 BTU Portable AC (UK)

★★★★★ ★★★★★ 8.0/10
#3
MOBIS 8 UK portable air conditioner, 8000 BTU, A energy class, white - Manufactured to be installed in UK

Ariston

MOBIS 8,000 BTU Portable Air Conditioner (UK)

★★★★★ ★★★★★ 7.9/10
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Comparison

Our selection of the 3 best portable air conditioners with app control (April 2026)

#1
10000 BTU Portable Air Conditioner, 3-in-1 Cool/Fan/Dry Quiet AC Unit for Bedroom/Office, Smart App/Voice/Remote Control, Drainage-Free, Universal Window Kit, 3.2L/H Dehumidification, AC515S

DREO

10000 BTU Portable Air Conditioner (3-in-1)

★★★★★ ★★★★★ 8.4/10
+ Cools small to medium rooms (around 12–20 m²) quickly and reliably
+ Drainage-free operation in Cool mode under normal humidity, so no constant tank emptying
#2
4-in-1 Portable Air Conditioner 9000 BTU - Smart Home WiFi, 24 hr Timer, Window Kit, Powerful Air Conditioning, Class A Energy Efficient AC Unit for Home & Office - WHICH? BEST BUY AC AWARD 9,000 BTU + Smart App

Pro Breeze

4-in-1 9000 BTU Portable WiFi Air Conditioner

★★★★★ ★★★★★ 8.1/10
#3
® 12000 BTU Portable Air Conditioner - Smart Home WiFi Compatible with 24-Hour Digital Timer, Smart Display & Window Venting Kit Included - Air Conditioning Unit for Home & Office 12,000 BTU + Smart App

Pro Breeze

12000 BTU Portable Smart Air Conditioner

★★★★★ ★★★★★ 8.0/10
See full comparison →

Our latest product reviews

Portable Air Conditioner 7000 BTU, 24H Timer & 2-Speed Settings, 4-in-1 Cooling, Dehumidifier, Fan & Sleep Mode for 200-300 sq.ft, Ultra Quiet (<50dB), Powerful Air Conditioning Unit for Home

EUHOMY

Portable Air Conditioner 7000 BTU, 24H Timer & 2-Speed Setti...

Small, fairly powerful, but not exactly quiet

8.0/10 ★★★★★ ★★★★★
Value for money ★★★★★ ★★★★★
Design ★★★★★ ★★★★★
Comfort ★★★★★ ★★★★★
Durability ★★★★★ ★★★★★
+ Cools small rooms (bedroom/office up to ~12–14 m²)...
- Noticeably noisy on cooling mode, especially at hi...
Read full review
Air Conditioning Unit - Portable Air Conditioner 7000 BTU with Remote Control, 4-in-1-Cooling, 24H Timer, Dehumidifier & Sleep Mode AC, Aircon with Digital Display, Window Kit - Covers 215 sq.ft

EUHOMY

Air Conditioning Unit - Portable Air Conditioner 7000 BTU wi...

Compact unit that cools fast but isn’t exactly quiet

8.2/10 ★★★★★ ★★★★★
Value for money ★★★★★ ★★★★★
Design ★★★★★ ★★★★★
Comfort ★★★★★ ★★★★★
Durability ★★★★★ ★★★★★
+ Cools small to medium rooms effectively for a 7000...
- Noticeably noisy in cooling mode, even in sleep mo...
Read full review
Last posts
HOMCOM 7000 BTU Portable Air Conditioner Review: a compact unit that cools small rooms without wrecking your budget
Product Test
•

HOMCOM 7000 BTU Portable Air Conditioner Review: a compact unit that cools small rooms without wrecking your budget

★★★★★ ★★★★★

The HOMCOM 7000 BTU portable air conditioner is a practical option for small rooms if you’re mainly fighting summer heat and humidity on a budget. It cools a 10–15 m² bedroom or office reliably, especially if you keep doors and curtains closed, and the dehumidifier mode is genuinely useful when the...

Lachlan O'Reilly
by Lachlan O'Reilly
Crevyteg 12000 BTU Portable Air Conditioner Review: decent cooling for medium rooms, but with a few catches
Product Test
•

Crevyteg 12000 BTU Portable Air Conditioner Review: decent cooling for medium rooms, but with a few catches

★★★★★ ★★★★★

After using the Crevyteg 12000 BTU portable air conditioner for a couple of weeks, my overall impression is that it’s a functional, no-frills workhorse. It cools a medium-to-large room properly, the dehumidifier mode actually helps on humid days, and the timer/sleep functions are practical. If you’r...

Violaine-Marie Beauchamps
by Violaine-Marie Beauchamps