A premium air conditioner designed for larger bedrooms, living rooms and open-plan spaces. The sleek black indoor unit adds a bold contemporary look while delivering reliable cooling and heating throughout the year.

With 5.20 kW cooling, 6.00 kW heating, integrated Wi-Fi, A++ energy efficiency and low-noise operation from 28 dBA, the Flexis Plus 18,000 BTU balances performance, smart control and premium design.

18,000 BTU A++ Efficiency Wi-Fi Included 28 dBA R32 Refrigerant 40–50 m²

Prefer it in white? The same Haier Flexis Plus 18000 BTU model is also available in white. Contact our team for availability and ETA.

Enquire About White

Haier Flexis Plus 18000 BTU Black Air Conditioner

18,000 BTU
Powerful everyday climate control

40–50 m²
Suggested room size

A++
Energy efficiency

28 dBA
Low-noise operation

Need a different size? Choose a smaller or larger Flexis Plus Black model, or compare with the white Pearl range.

12,000 BTU Black 24,000 BTU Black 18,000 BTU Pearl View All Haier

Premium Comfort for Larger Rooms

Strong cooling and heating performance, integrated smart control and a refined black finish for modern interiors.

Design

Premium Black Finish

A sleek matte black indoor unit designed to complement modern, darker and design-led interiors.

Cooling

5.20 kW Cooling

Provides powerful cooling performance for larger bedrooms, living rooms and open-plan spaces.

Heating

6.00 kW Heating

Provides strong heating performance for year-round comfort.

Smart Control

Integrated Wi-Fi

Control temperature and settings remotely from a compatible smartphone or smart device.

Efficiency

A++ Energy Rating

Efficient operation helps balance comfort with reduced energy consumption.

Quiet Comfort

28 dBA

Low-noise operation makes the unit suitable for comfortable everyday use in living and sleeping areas.

Refrigerant

R32

Uses modern R32 refrigerant for efficient system operation.

Room Size

40–50 m²

A strong option for larger living rooms, spacious bedrooms and open-plan spaces.

Year-Round Use

Cooling & Heating

Enjoy comfortable climate control throughout both summer and winter from one system.

Optional Service

Professional Installation

Everything required for a standard installation, completed by qualified technicians.

Standard installation €190

Up to 3m Copper Pipe Included with standard installation

Drain up to 4m Connection near the indoor unit

Power up to 5m Connection from the outdoor unit

Wall brackets / floor mounts included Extra copper above 3m: €31 per metre Old unit dismantling & removal: €45

Final installation requirements and any additional works are confirmed according to site conditions.

What AC Size Do You Need?

Enter your room measurements for a quick guide. This 18000 BTU model is typically recommended for spaces of approximately 40–50 m².

Quick Room Size Guide

Room Length (m)

Room Width (m)

Ceiling Height

Room Type

Sun Exposure

Room insulation, windows, sun exposure, occupancy and layout may affect the final requirement. This calculator is intended as a general guide.

Technical Specifications

Key technical information for the Haier Flexis Plus Black 18000 BTU system.

Product Code AS50S2SF1FA-BK

Brand Haier

Series Flexis Plus Black

Model AS50S2SF1FA-BH

Cooling Capacity 4,472 Kcal/h / 5.20 kW

Heating Capacity 5,160 Kcal/h / 6.00 kW

Energy Efficiency A++

Suggested Room Size 40–50 m²

Refrigerant R32

Wi-Fi Integrated

Low Noise Level 28 dBA

Indoor Unit Dimensions 999 × 225 × 323 mm

Outdoor Unit Dimensions 820 × 338 × 614 mm

Colour Black / White Available

Finish Matte

Requires Assembly Yes

Premium Climate Control in Black — or White

The Haier Flexis Plus 18000 BTU combines powerful cooling and heating, integrated Wi-Fi, low-noise operation and a premium matte finish. Choose black for a bold contemporary look, or enquire about the same model in white.

Resources & Services

Product information & assembly

Open the available documents or request our assembly service for this item.

Product specifications

Not available for this item

Step-by-step installation

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Assembly Required

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Haier Flexis Plus Series 18000btu Air Conditioner - Black

Product Description

18000 BTU Air Conditioner in Black