Avalla S-770 large portable 4-in-1 ac unit & dehumidifier

SKU: AVS-770

🏷️ Summer sale: save an additional 5% with discount code SUMMER-5%-OFF at checkout!

For you and our planet...

Because protecting your home means security for you and your loved ones against harmful bacteria and mould caused by damp. Because we recognise our planet needs protecting, so all Avalla AC’s use Ozone friendly R-290 refrigerant. Engineered for endurance, performance and convenience, with quiet running down to just 51dB, the features are designed around your home’s needs to create balance and harmony for the family. Love, Avalla.

Avalla for life

Every Avalla portable air conditioner comes with a 2 year warranty and a lifetime of product support. We are also helping to rebuild natural habitats by planting a tree for every order placed. All Avalla operations are powered by renewable energy, we offset all our emissions and we support hydroelectric and wind farm projects in developing countries.


Powerful cooling

Get ready for summer! Remember that unbearable heat? We do. Which is why the S-770 is capable of cooling multiple rooms, ideal for the home and dedicated zone control. With 12000BTU, climate control for spaces 122m³ with auto sensing down to 16°c.

Feature rich

A portable compact design, hosts useful features including sleep mode, child lock, 24-hour timer, washable filter and the supplied window kit. This allows for sash-style windows to be easily and quickly sealed for maximum efficiency.

All-season all-star

Doubling as a powerful 36L/day dehumidifier, protect your home and family from harmful damp and mould. Use the supplied drainage hose with no need to vent through open windows. By controlling your climate, you can save a massive 62% on your energy compared to the average tumble dryer.

Safely dry your clothes

The smartest and safest way to dry clothes, protecting your delicates from harsh tumble drying. Sportswear, wool, silk, leather, suede, nylon; accelerate natural drying and save energy, money and time. No more shrunken jumpers!

Multi talented

Embrace the transformative power of the S-770, a versatile air conditioning unit with a 36 L/day dehumidifier mode. This portable air conditioner unit is the perfect solution for a 122m3 area, making it a lifesaver for those damp corners of your home or office. The portable air con not only helps in drying clothes swiftly but also in maintaining a healthy environment by tackling mould and condensation. Turn those winter blues around with this investment that’s ready to serve you all year round.

One touch operation

With a lengthy 1.5M cable, this air con unit makes convenience a priority. Feel refreshed all the way down to 16°C - a gentle touch on the user-friendly control panel is all it takes. Its smart temperature sensor works tirelessly, auto-adjusting to your preferences, ensuring you remain comfortable. This aircon unit is the embodiment of hassle-free technology.

All-season all-star

The S-770 air conditioner is a champion of adaptability. Its design accommodates your needs all year round. Switch it to the dehumidifier mode in winter and fan mode for spring and autumn. Additional features like sleep mode, child lock, swing, timer and a washable filter underline the practicality of this aircon unit. It even boasts smart-plug compatible memory, ensuring your settings are always remembered.

Sash window kit included

Efficiently manage the hot air with the included 150mm diameter hose, designed to fit any sash window. The portable air conditioning unit ensures the hot air is effectively expelled from your home or office, keeping your space cool. The hose can also be placed directly through any window, offering additional flexibility.

Safe for our environment

The S-770 air conditioner unit is not just good for you, but also for our planet. It uses only natural, non-toxic, and environmentally safe R290 refrigerant.

Avalla for life

With lifetime UK based customer support, over 100 years of industry expertise, and a 2 year warranty, Avalla are always here for you. We are proud to be helping rebuild natural habitats by planting a tree for every order placed and powering our services on 100% renewable energy.

The Avalla S-770 large portable AC unit & dehumidifier.
The Avalla S-770 large portable AC unit & dehumidifier.
The Avalla S-770 large portable AC unit & dehumidifier.
The Avalla S-770 large portable AC unit & dehumidifier.
The Avalla S-770 large portable AC unit & dehumidifier.
Avalla is a UK based company, backed by over 100 years of experience in product design and quality assurance.

Choose your champion

Customer Reviews

Based on 4 reviews
Anne Loeber

II bought this Alalla S.770 Air Conditioner 2 weeks ago, and have not used it to its full potential as yet, due to the weather no going above 20 deg outside yet.
I did use it last Saturday as it was sunny, but not hot.
My lounge has large windows on three sides and during the summer it is unbearable.
As I have severe COPD I decided to bite the bullet and buy an Air Conditioner, as I was hospitalised last summer with a COPD exacerbation due to the heat in my apartment.
My room is very large which has vaulted ceilings on either sides of it, so I went for the Avalla SS70 to cool the cubic area of my lounge. (98 cubic meters) The temperature in here was 27deg but when it’s really hot it gets into the mid to high 30’s. We have not had that sort of heat this year as yet, but going by last Sunday it cooled the room down to a bearable temperature in about 30 minutes. I think it went down to 24.5deg in that time, I then turned it completely off as it was getting on for 6pm, and didn’t want it to drop much further so I could have a comfortable evening. Today is sunny but it’s not expected to get higher than 19 degrees outside today, so I probably won’t use it today.
The unit did not come with the window kit I needed for casement windows, but they have loads on Amazon for under £15.
It was easy to fit by my handyman.
The delivery was first class and they even carried up three flights of stairs for me as our apartments lift is out of order! I was really concerned about that as the delivery says to apartment block door only, but I spoke to a lovely person online, who said she would try and request it. I didn’t know until the actual delivery if they would do it. But the lovely DPD driver said no problem, he had received a message from his manager, and brought it up for me.
I have full faith that this Air Conditioner will keep my room cooler than last year's heatwave.
It also carries a 2 year Warranty.
Thank you Avalla x

First impressions

My first impressions are the unit is compact and stylish with not too much weight. Does what it says on the tin, but will have to wait till the summer weather to give it a real test.
The 2-year warranty is a nice piece of mind for the time being though.

Great product, top Quality!

Really good customer service. Real quality product, really good value, can’t wait to use it on those very hot days & nights!

Paul Walker
Good quality product with powerful potential

Great performance from a good quality product. Easy to use and set up with straightforward functions.