Samsung WindFree Comfort S2 Review: Is This the Best AC Unit for UK Homes?

Samsung WindFree Comfort S2 Review: Is This the Best AC Unit for UK Homes?

Air conditioning used to be something UK homeowners thought about for roughly three days a year, usually while panic-buying a fan from Argos.

That has changed.

Home air conditioning installs have grown fast, and manufacturers have noticed. The market is now full of wall-mounted AC systems claiming to be quieter, smarter, cheaper to run, easier to install, and generally better at making your home less like a greenhouse with carpets.

One of the more interesting options is the Samsung WindFree Comfort S2.

Samsung’s pitch is simple enough: this system can heat and cool your room, but without the annoying blast of air you get from many standard AC units.

That matters because standard air conditioning does work, but it is not always comfortable. If you have ever sat directly under an AC unit, you will know the feeling. One minute it is blowing cold air at the back of your neck. Then the louvre moves. Then it comes back. Then you are somehow freezing while the rest of the room is still too warm.

The Samsung WindFree S2 is designed to fix that specific problem.

So, is it actually worth buying? Or is WindFree just a fancy name for “expensive air conditioning”?

Let’s get into it.

💨 Ready to chill without the guesswork? Find out exactly what size air conditioner you need - and get a fixed price in seconds here.

What is the Samsung WindFree Comfort S2?

The Samsung WindFree Comfort S2 is a premium wall-mounted split air conditioning unit.

The model covered here is the Samsung Comfort WindFree S2 high wall unit, with:

Output

Rating

Cooling

3.5kW

Heating

4kW

That means it can cool your room in summer and heat it during colder months.

Like other split AC systems, it uses two main parts:

Component

What it does

Indoor unit

The wall-mounted unit inside the room

Outdoor unit

The external unit that sits outside and does the heavy lifting

The indoor unit is the bit you see. The outdoor unit contains the compressor, fan, and refrigerant system that allows the unit to move heat in or out of your home.

You can have a simple one-to-one setup, with one indoor unit connected to one outdoor unit. Or, with the right design, you can run multiple indoor units from one larger outdoor unit.

That is useful if you want AC in several rooms, such as a bedroom, home office, and garden room.

🎥 Check out our YouTube review of the Samsung Windfree Comfort S2:

Is Samsung WindFree Comfort S2 the same as Avant S2?

No. The Samsung WindFree Comfort S2 and Samsung WindFree Avant S2 are not the same model.

They are part of Samsung’s wider WindFree S2 air conditioning range, but the unit reviewed and sold by Heatable is the Samsung WindFree Comfort S2.

That matters because specifications, design details, pricing, availability, and product positioning can vary between the Comfort, Avant, and Elite models.

So, when comparing prices or checking Samsung product information, make sure you are comparing the correct model.

For this review, we are talking about the Samsung WindFree Comfort S2 high wall unit, not the Avant S2.

How air conditioning actually works

Before judging the Samsung WindFree S2, it helps to understand what AC is actually doing.

Air conditioning does not suck cold air from outside and blow it into your room.

That is not how it works.

Instead, the system takes the air already inside the room, removes heat from it, and sends the cooled air back into the space. The heat that has been removed is then pushed outside through the outdoor unit.

When heating, the system works in reverse. It takes heat energy from outside air and moves it indoors.

That is why modern split AC systems are often called air-to-air heat pumps. They move heat rather than creating it directly.

This is also why a decent fixed AC system is very different from a portable air conditioner. Portable units tend to be noisy, clunky, and generally about as elegant as dragging a wheelie bin into your bedroom.

A proper split system is in a different league.

What makes the Samsung WindFree Comfort S2 different?

The main difference is the way it delivers air.

Most standard wall-mounted AC units use a front louvre. The louvre opens, moves up and down, and pushes heated or cooled air around the room.

That works. But it can also be annoying.

If you are sitting below or opposite the unit, you can feel the air moving across you.

In cooling mode, that can mean cold air on your neck, your face, or your desk while the rest of the room is still catching up.

Samsung’s WindFree technology is designed to avoid that.

Instead of relying only on a direct blast of air, the WindFree S2 can diffuse air through around 23,000 tiny holes across the front of the unit.

The idea is simple: once the room is close to temperature, the system keeps things comfortable using gentle, dispersed airflow rather than a direct stream of air.

That means less draught. Less “why is my forehead cold but the room still warm?” And generally, a more comfortable room.

This is where the Samsung makes most sense.

Not because it reinvents air conditioning. It does not.

It makes air conditioning more pleasant to live with.

Samsung WindFree Comfort S2 features

The Samsung WindFree Comfort S2 has most of the features you would expect from a premium AC system.

Feature

What it means

WindFree cooling

Diffused airflow through thousands of micro holes

Heating and cooling

Works in summer and winter

SmartThings app control

Control the unit from your phone

Voice control compatibility

Can connect with smart home systems

AI mode

Learns usage patterns and adjusts automatically

Physical remote

Comes with a standard controller

Solar-backed remote

Remote has a small solar panel on the back

Quiet operation

Designed for bedrooms and offices

Premium design

Cleaner-looking than many standard AC units

The controls are good.

You can use the Samsung SmartThings app, connect to systems such as Google or Alexa depending on your setup, or just use the physical remote.

The remote is worth mentioning because it has a small solar panel on the back. Does that change your life? No. Is it better than constantly feeding batteries into another plastic rectangle? Yes.

The system also has an AI mode, which is designed to learn how you use it and adjust based on things like indoor temperature, outdoor temperature, and your normal settings.

For most people, that is probably the easiest way to run it. Set it up properly, let it learn, and stop fiddling with the temperature every six minutes like you are landing a plane.

How efficient is the Samsung WindFree Comfort S2?

The Samsung WindFree Comfort S2 is designed to be efficient by changing how it runs once the room reaches temperature.

At first, the system can ramp up to heat or cool the room. Once the room gets close to the desired temperature, WindFree mode can take over and maintain the temperature more gently.

This is the bit Samsung leans on heavily.

Rather than constantly blasting air into the room, the system diffuses it through those micro holes. That allows it to maintain comfort in the background.

The model covered here is rated at:

Mode

Output

Cooling

3.5kW

Heating

4kW

Interestingly, the heating output is higher than the cooling output. That is common with these systems and makes them useful for year-round comfort, not just summer cooling.

Running costs will depend on:

  • Room size

  • Insulation

  • Glazing

  • Electricity tariff

  • Temperature settings

  • How often you use it

  • Whether it has been sized properly

  • Whether doors are left open

  • How hot or cold the room gets in the first place

One customer using the system every day described the running costs as surprisingly low, saying it was only costing a few pence a day.

That is a useful real-world signal, but it is not a universal promise. A small, well-insulated room will cost less to condition than a large, glass-heavy room that gets hammered by the sun all day.

The blunt answer: this can be cheap to run when it is correctly specified and used sensibly. But do not judge running costs from one room in one house.

Is the Samsung WindFree Comfort S2 good for heating?

Yes.

This is one of the more underrated parts of modern air conditioning.

The Samsung WindFree Comfort S2 is not just for cooling. It can also heat, which makes it useful well beyond the three weeks of UK summer where everyone suddenly becomes an expert in climate control.

Because it works as an air-to-air heat pump, it can heat individual rooms efficiently.

The big advantage is targeted comfort.

If you work from home, you may not want to heat the whole house just because you are sitting in one room. An air-to-air heat pump lets you heat the room you are actually using.

However, it is not a full heating replacement for most homes.

It will not provide hot water. One unit will not heat your entire house evenly. And if your home needs a whole-house heating solution, this is not the same thing as a boiler replacement or a full air source heat pump system.

Think of it as room-by-room comfort.

That is where it works best.

The big advantage: comfort

The best thing about the Samsung WindFree Comfort S2 is comfort.

Standard AC can absolutely cool a room, but it can also feel uneven. If you are sitting directly under it, you may feel too cold before the rest of the room is properly cool.

The WindFree system softens that experience.

It is particularly good if the unit is near:

  • A bed

  • A desk

  • A sofa

  • A dining table

  • A seating area in a garden room

This is why the Samsung is not just “another AC unit”.

It is not trying to be the cheapest. It is trying to be the one you notice least once it is doing its job.

That is a valid selling point.

The big drawback: it is not brute-force cooling

Now for the catch.

WindFree mode is not designed for maximum airflow.

If your room is extremely hot and you want to pull the temperature down quickly, a traditional louvred AC unit can feel more powerful because it pushes more air directly into the room.

Samsung’s diffuser is better for comfort, but it cannot move air in the same aggressive way.

That does not mean the system cannot cool properly. It can.

But the best use case is:

  1. Let the unit bring the room down to temperature.

  2. Then let WindFree mode maintain that temperature gently.

If you want an instant icy blast, the Samsung is not necessarily the strongest choice.

If you want the room to become comfortable without feeling like you are sitting in front of a refrigerated leaf blower, that is where it makes sense.

How quiet is the Samsung WindFree Comfort S2?

The Samsung WindFree S2 is very quiet.

Operational noise can be as low as 16dB, rising to around 23dB, depending on the setting.

That makes it a strong choice for bedrooms and home offices.

The lack of aggressive airflow also helps. With standard units, you can often hear the fan pushing air around the room. With the Samsung, WindFree mode creates more of a background temperature change than an obvious whoosh.

That is exactly what you want in a bedroom.

Because nobody wants to spend £2,500 on a comfort system and then lie awake listening to it breathe at them.

What does it look like?

The Samsung WindFree S2 is still an air conditioning unit.

So, let’s not pretend it is going to transform your room into an interiors magazine shoot.

It is a white wall-mounted box.

But as white wall-mounted boxes go, it is one of the better-looking ones.

The indoor unit looks cleaner and more premium than many standard AC systems. It does not have the same overly commercial feel that some cheaper units have.

The outdoor unit is also fairly discreet. Again, it is still an outdoor AC unit, so expectations need to remain attached to reality.

But it is relatively plain and can usually be positioned somewhere sensible, such as down the side of a property.

The important thing is airflow.

The outdoor unit needs free air around it to work properly. Do not wedge it into a tiny boxed-in space because you want to hide it. That is how you make a good system perform badly.

How much does the Samsung WindFree Comfort S2 cost?

Installed prices vary based on unit size, installation complexity, pipe runs, property layout, electrics, drainage, and whether you are installing one room or multiple rooms.

As a rough guide:

Unit size

Suitable for

Approx installed cost

2–3kW

Studies, small bedrooms, small garden rooms

Around £2,500 installed

3.5kW

Bedrooms, lounges, dining rooms, larger garden rooms

Around £2,600 installed

5–7kW

Larger rooms and open spaces

Around £3,500 installed

Installation: is it complicated?

A Samsung WindFree Comfort S2 install is not massively more complicated than a standard split AC install.

You still need:

  • An indoor unit

  • An outdoor unit

  • Pipework between them

  • Condensate drainage

  • Electrical supply

  • Correct positioning

  • Proper commissioning

The indoor unit goes on the wall in the room you want to heat or cool. The outdoor unit sits outside and needs enough space around it for airflow.

The installer also needs to think about where the condensate goes. Cooling creates moisture, and that water needs to drain away properly.

The pipework route matters too. A neat install depends on where the indoor and outdoor units are positioned relative to each other.

So no, it is not plug-and-play. But it is also not some wildly unusual system compared with other fixed AC units.

The real job is getting the design right.

Warranty and aftercare

The Samsung WindFree system can come with a strong warranty when installed through an approved partner.

Typical AC systems often come with around 3–5 years of cover. The Samsung WindFree system can come with a 7-year parts and labour warranty when installed through an approved partner such as Heatable.

That is a serious plus.

However, support is worth thinking about.

Samsung’s aftercare is generally good, but response times can be inconsistent, and repairs may be carried out by third-party engineers rather than directly employed Samsung engineers.

That is not a reason to avoid the product by itself, but it is something to know before buying.

Who should buy the Samsung WindFree S2?

The Samsung WindFree S2 is best for homeowners who want premium comfort rather than the cheapest possible cooling.

It is a strong fit for:

  • Bedrooms

  • Home offices

  • Garden rooms

  • Loft conversions

  • South-facing rooms

  • Larger bedrooms

  • Lounges

  • Dining rooms

  • Extensions

  • Rooms where people sit close to the AC unit

It is especially good if you have previously used AC and found the direct airflow annoying.

That is the problem this system solves.

Who should not buy it?

The Samsung WindFree S2 is probably not for you if:

  • You want the cheapest possible AC system

  • You only need cooling for a few hot days a year

  • You want maximum direct airflow

  • You are renting and cannot install fixed AC

  • You want one unit to cool your whole house

  • You need a full heating and hot water replacement

  • You are not willing to pay extra for comfort

  • You want direct manufacturer repair support above everything else

This is not a budget product.

If you only care about getting cold air into a room for the lowest upfront cost, a standard split AC system may be a better choice.

If you care about comfort, quietness, app control, and a more premium finish, the Samsung becomes much easier to justify.

Samsung WindFree Comfort S2 verdict

The Samsung WindFree S2 is not the cheapest AC system. It is not trying to be.

Its main selling point is comfort.

The WindFree diffuser solves one of the most annoying problems with standard AC: direct airflow. Instead of blasting cold air around the room through a moving louvre, it can maintain the temperature more gently through thousands of tiny holes across the front panel.

That makes it a very strong option for bedrooms, home offices, garden rooms, and anywhere you are likely to sit or sleep near the unit.

It is quiet, smart, efficient when specified properly, and useful all year round because it heats as well as cools. The design is more premium than many standard units, and the warranty is strong when installed through an approved partner.

But there are trade-offs.

It costs more. WindFree mode is not designed for rapid, brute-force cooling. And support response times may vary if you ever need warranty work.

So, is it worth it?

Yes, if comfort is your priority.

If you want the cheapest way to cool a room, buy a standard AC system.

If you want a room to become comfortable without feeling like cold air is chasing you around the house, the Samsung WindFree S2 is one of the better options on the market.

Next Steps For Your AC Journey:

When planning to install air conditioning for your home, there are several important factors to consider. Make sure to refer to the following guides to help you make informed decisions:

To dive deeper into these topics, head over to our advice section, check out our YouTube channel for informative videos.

Get a Quote for Air Conditioning Today ❄️

Here’s why homeowners choose us:

  • Thousands of Happy Customers: We have an average score of 4.9 on Trustpilot, outperforming the market leader.

  • Which? Trusted Trader: Heatable is proudly recognised as a Which? Trusted Trader.

  • FGAS Certified: Our FGAS certification ensures all air conditioning work is carried out to the required industry standards.

  • Flexible Payment Options: Choose from multiple payment methods, including finance options.

  • Fixed Price Guarantee: Enjoy transparency with no hidden costs.

  • Save Your Quote: Save your quote and come back to it whenever you’re ready.

  • Get your new AC quote here.

FAQ's

Does Samsung WindFree S2 heat as well as cool?

Yes. The Samsung WindFree S2 can heat and cool. It works as an air-to-air heat pump, so it can provide targeted room heating in winter and cooling in summer.

Is Samsung WindFree cooling worth it?

Samsung WindFree cooling is worth it if you dislike direct draughts from standard AC units. It is especially useful in bedrooms, home offices, and garden rooms. If you only want the cheapest possible cooling, a standard AC system may be better value.

How much does Samsung WindFree S2 cost to run?

Running costs depend on room size, insulation, electricity tariff, usage, and temperature settings. In one real customer example, the system was described as costing only a few pence a day to run, but this will not apply to every home.

Does Samsung WindFree S2 need professional installation?

Yes. The Samsung WindFree S2 is a fixed split air conditioning system and needs professional installation. It requires an indoor unit, outdoor unit, pipework, condensate drainage, electrical work, and commissioning.

Is Samsung WindFree S2 suitable for UK homes?

Yes. It can be very suitable for UK homes, especially bedrooms, home offices, loft conversions, extensions, south-facing rooms, and garden rooms that become too hot in summer or need targeted heating in winter.

Can one Samsung WindFree S2 cool a whole house?

No. One indoor unit is designed to heat or cool one main room or area. For multiple rooms, you would need multiple indoor units or a properly designed multi-split system.

Share

Last updated 22 May, 2026

Jamie Hillard
Written by Jamie Hillard

Jamie Hillard is a Gas Safe and FGAS registered engineer (Reg. No. 7458895) with 9 years of experience in domestic heating and refrigeration systems. He has overseen more than 1,800 installations across the UK, specialising in boiler installations, gas system upgrades, and F-gas compliant works.

Get air-con for your home, with ease