Leading Air Conditioning Brands We Install
At RSI Professional, we are committed to providing our clients with top-quality air conditioning solutions by partnering with industry-leading manufacturers:
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Daikin
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Mitsubishi
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Toshiba
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Samsung
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Fujitsu
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Panasonic
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LG
By offering a diverse selection of these top-tier brands, we ensure that our clients receive customised air conditioning systems that meet their specific needs and preferences.








We provide expert commercial air conditioning solutions, ensuring optimal comfort for businesses, offices, and schools, enhancing productivity, customer experience, and energy efficiency with our highly experienced engineers.
We install energy-efficient, whisper-quiet residential air conditioning systems, offering tailored solutions with a free site survey to ensure optimal comfort and seamless integration into any home.
London’s Trusted Air Conditioning Experts – Install, Repair & Maintain
Air conditioning is now standard in commercial spaces.
Air conditioning systems help maintain good indoor air quality by removing heat and humidity.
Maintain the temperature at more comfortable level.
In a commercial environment with machinery, equipment and people the temperature can increase quickly to unsafe levels. Air conditioning units can maintain the temperature at a more comfortable level and your employees are safe and do not dehydrate.
Lower energy bills.
HVAC systems can lower energy bills and ongoing maintenance costs.
AC Benefits for Different Environments

Retail & Hospitality
Keeps customers comfortable and encourages longer visits. A well-regulated climate enhances shopping and dining experiences, improves air quality, and reduces humidity.

Offices & Studios
Enhances productivity by maintaining a stable, comfortable temperature. Clean air and optimal climate reduce fatigue, improve focus, and boost workplace morale.

Industrial
Ensures safe working conditions, prevents overheating, and boosts productivity. Proper ventilation protects equipment, improves air quality, and meets safety standards.
Stay Comfortable All Year Round.
Home air conditioning provides consistent cooling during hot summers and can even offer heating in winter, ensuring a comfortable indoor climate all year.
Better Sleep & Helps with Allergy Relief.
A well-filtered, humidity-controlled environment reduces allergens like dust, pollen, and mold, improving air quality for allergy sufferers and enhancing sleep comfort.
Energy-Efficient & Cost-Effective.
Modern AC units are designed to be energy-efficient, helping you stay cool without excessive energy costs while also increasing the value of your home.
AC Benefits for Domestic Users

Increases Home Value
A professionally installed air conditioning system enhances property appeal and can boost home value, making it an attractive feature for potential buyers.

Improves Productivity
Maintaining a comfortable temperature helps improve focus and efficiency, making air conditioning ideal for home offices, remote work, and daily tasks.

Undisturbed Living
Modern AC units operate with minimal noise, providing a peaceful indoor environment, perfect for relaxation, working from home, or uninterrupted sleep.
Effective Installation Services
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Expertly installed air conditioning units designed for maximum efficiency and comfort.
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Wide range of modern, sleek designs to complement your home’s interior.
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Quick and hassle-free installation with minimal disruption to your daily life.
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Professional guidance to help you select the best system for your needs and budget.


Why Choose RSI Professional?
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Trusted experts in residential air conditioning solutions, committed to customer satisfaction.
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We provide tailored recommendations based on your home’s size, layout, and cooling needs.
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High-quality, energy-efficient systems designed for long-term comfort and cost savings.
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Friendly and professional service with clear, competitive pricing and no hidden costs.
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Dedicated aftercare, including maintenance and support for optimal system performance.
Frequently Asked Questions
In most cases, planning permission isn’t required for domestic or commercial air conditioning installations. However, exceptions apply for listed buildings, conservation areas, or if external units are mounted in visible spaces. We can advise you during your free consultation.
For a single split-unit system, installation usually takes 1–2 days. Larger commercial or multi-room systems may take longer, depending on the complexity of the building.
We recommend at least one service per year for domestic systems, and two per year for commercial or high-usage environments. Regular maintenance ensures efficiency, extends lifespan, and prevents costly breakdowns.
Modern systems are very energy efficient. Running costs vary depending on usage, but many of our clients find the monthly expense is similar to using a kettle or a few household appliances.
Yes. Most modern air conditioning systems include heat pump technology, allowing them to provide efficient heating as well as cooling, making them useful year-round.
Yes. We provide a responsive call-out service within our 50km London coverage area to ensure your system is repaired quickly and effectively.
The size depends on the room dimensions, insulation, and usage. Our engineers will carry out a site survey to recommend the best system for your needs.
Yes. All our installations come with manufacturer warranties, and we also offer maintenance contracts for added peace of mind.
Lets Work Together

