7 Best 15000 Btu Air Conditioner [UK] (2025)

2025 Expert Picks

Last Updated: July 2025

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Last Updated: July 2025

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Best 15000 Btu Air Conditioner

Premium Pick

TECXERLLON 15000 BTU Portable Air Conditioner, 4-in-1 Quiet Air Conditioner with Cooling, Dehumidifier, Fan and Sleep Modes, 3 Speeds, Auto Swing, Cools

TECXERLLON

9.7

TECXERLLON 15000 BTU Portable Air Conditioner, 4-in-1 Quiet Air Conditioner with Cooling, Dehumidifier, Fan and Sleep Modes, 3 Speeds, Auto Swing, Cools

Color: White

Dimensions: 27.50 x 14.00 x 13.30 inches

Picked by 397 people today

De'Longhi Pinguino PACEX120 Silent | Portable Air Conditioner with Real Feel Technology | 110m³, 11,500 BTU, A Energy Efficiency, Black

De'Longhi

9.5

De'Longhi Pinguino PACEX120 Silent | Portable Air Conditioner with Real Feel Technology | 110m³, 11,500 BTU, A Energy Efficiency, Black

Color: Black

Dimensions: 31.69 x 17.52 x 15.35 inches

Weight: 70.55 pounds

Release Date: 30/03/2018

Olsen & Smith

Available in 3 Sizes

9.5

Olsen & Smith 9000 BTU 3-in-1 Portable Air Conditioning Unit, AC Air Con Conditioner Cooler On Wheels with Cooling, Fan & Dehumidifier Functions, 24H Timer with Window Kit & Remote Control, White

Color: White

Dimensions: 27.95 x 11.02 x 12.99 Inches

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BLU

9.2

BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres

Color: White

Dimensions: 32.28 x 15.94 x 15.35 Inches

Morphy Richards

Available in 2 Styles

9.0

Morphy Richards Flexifreeze Portable Air Conditioning Unit, 12k BTU, Remote Control, Water Full Indicator, Timer Function, 3 Fan Speeds, A Energy Rating, Home, Office, LED Display, 824000

Color: Black

Dimensions: 27.56 x 17.01 x 13.78 inches

Weight: 61.73 Pounds

Energy Class: A

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Olimpia Splendid

Available in 2 Sizes

8.8

Olimpia Splendid 01961 Dolceclima Compact 10P Air Conditioner Unit With Cooling, Fan, Dehumidifier, Gas R290, Design Made In Italy, White

Color: White

Dimensions: 14.41 x 34.09 x 15.91 Inches

BLU

8.6

BLU-09 9,000 BTU Portable Air Conditioner Portable 3-1 Air Conditioner, Dehumidifier, Cooling Fan with 3 Fan Speeds, Window Sheet for UK Windows, Digital Display & Remote Control

Color: White

Dimensions: 14.25 x 12.05 x 31.69 Inches

Weight: 58.42 pounds

Size: 30_X_36_x_81_cm

Energy Class: A

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Our Top Choice

Best 15000 Btu Air Conditioner

Premium Pick

TECXERLLON

9.7

TECXERLLON 15000 BTU Portable Air Conditioner, 4-in-1 Quiet Air Conditioner with Cooling, Dehumidifier, Fan and Sleep Modes, 3 Speeds, Auto Swing, Cools

Color: White

Dimensions: 27.50 x 14.00 x 13.30 inches

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2025 Expert Picks

Finding the perfect product can be challenging. That’s why our team invests countless hours in research, breaking down key insights into clear, side-by-side comparisons. Our top pick is based on what matters most to our readers, the most popular products in each category, and a data-driven assessment of all available options. We aim to provide you with all the details you need to make the best choice—quickly and confidently.

Release Date

Compare Features

Release Date	Premium Pick TECXERLLON 15000 BTU Portable Air Conditioner, 4-in-1 Quiet Air Conditioner with Cooling, Dehumidifier, Fan and Sleep Modes, 3 Speeds, Auto Swing, Cools TECXERLLON On Amazon	De'Longhi Pinguino PACEX120 Silent \| Portable Air Conditioner with Real Feel Technology \| 110m³, 11,500 BTU, A Energy Efficiency, Black De'Longhi On Amazon	Best Value Popular Olsen & Smith 9000 BTU 3-in-1 Portable Air Conditioning Unit, AC Air Con Conditioner Cooler On Wheels with Cooling, Fan & Dehumidifier Functions, 24H Timer with Window Kit & Remote Control, White Olsen & Smith On Amazon	BLU12 12,000BTU Portable Air Conditioner, Heating, Cooling, Dehumidification and Fan, Remote Control, Window Sheet for UK Windows Included, for Rooms Up to 30 Square Metres BLU On Amazon	Morphy Richards Flexifreeze Portable Air Conditioning Unit, 12k BTU, Remote Control, Water Full Indicator, Timer Function, 3 Fan Speeds, A Energy Rating, Home, Office, LED Display, 824000 Morphy Richards On Amazon	Olimpia Splendid 01961 Dolceclima Compact 10P Air Conditioner Unit With Cooling, Fan, Dehumidifier, Gas R290, Design Made In Italy, White Olimpia Splendid On Amazon	BLU-09 9,000 BTU Portable Air Conditioner Portable 3-1 Air Conditioner, Dehumidifier, Cooling Fan with 3 Fan Speeds, Window Sheet for UK Windows, Digital Display & Remote Control BLU On Amazon
Deal
Deal	-	-	Save 12%	-	Save 10%	-	-
Color	White	Black	White	White	Black	White	White
Color	White	Black	White	White	Black	White	White
Dimensions	27.50 x 14.00 x 13.30 inches	31.69 x 17.52 x 15.35 inches	27.95 x 11.02 x 12.99 Inches	32.28 x 15.94 x 15.35 Inches	27.56 x 17.01 x 13.78 inches	14.41 x 34.09 x 15.91 Inches	14.25 x 12.05 x 31.69 Inches
Dimensions	27.50 x 14.00 x 13.30 inches	31.69 x 17.52 x 15.35 inches	27.95 x 11.02 x 12.99 Inches	32.28 x 15.94 x 15.35 Inches	27.56 x 17.01 x 13.78 inches	14.41 x 34.09 x 15.91 Inches	14.25 x 12.05 x 31.69 Inches
Weight	70.30 pounds	70.55 pounds	47.40 pounds	92.59 Pounds	61.73 Pounds	54.45 pounds	58.42 pounds
Weight	70.30 pounds	70.55 pounds	47.40 pounds	92.59 Pounds	61.73 Pounds	54.45 pounds	58.42 pounds
Size	15000 BTU	-	9000 BTU	45_x_86_cm	-	10000 BTU/h	30_X_36_x_81_cm
Size	15000 BTU	-	9000 BTU	45_x_86_cm	-	10000 BTU/h	30_X_36_x_81_cm
Energy Class	8.1	a	A	A	A	A	A
Energy Class	8.1	a	A	A	A	A	A
Release Date	-	2018-03-30T00:00:01Z	-	-	-	-	-
Release Date	-	30/03/2018	-	-	-	-	-
Unit Count	-	-	-	-	-	1	-
Unit Count	-	-	-	-	-	1	-

Trusting our TOP Pick

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Hours of research

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Purchases analyzed

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Brands Compared

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Categories Covered

We leverage expert analysis and advanced technology to evaluate thousands of products. Our unbiased reviews are designed to save you time and ensure you find the best options with confidence.