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Air Conditioning, Refrigeration and Ventilation Services in Sussex

At HJM, we specialise in providing top-notch air conditioning, refrigeration and ventilation solutions for both commercial and domestic clients across Sussex, including Eastbourne, Brighton, Hastings, Lewes, Heathfield and Hailsham. 

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Whether you need an expert installation, ongoing maintenance, or urgent repairs, we’re here to ensure your systems run efficiently and reliably, all year round.

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Our Services

We’re committed to delivering tailored solutions that maximise efficiency, extend system lifespan, and ensure consistent performance. 

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Whether it’s for a residential space or a large commercial property, our goal is to provide seamless service that keeps your environment comfortable and your systems running smoothly.

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​​Why Choose HJM Air Conditioning?

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Fully Qualified & Certified

Our engineers have completed specialised apprenticeships in refrigeration and air conditioning, equipping them with hands-on experience and deep technical knowledge. Additionally, all of our engineers hold F-gas certification, ensuring we meet the highest standards for safety and environmental responsibility in handling refrigerants.

Customer Satisfaction Guaranteed

We pride ourselves on providing excellent service to every customer, every time. From initial consultation to the final handover, we’re dedicated to making your experience with us seamless, stress-free and tailored to your needs.

Over 10 Years of Experience

With over a decade of experience in the HVAC industry, we’ve built a solid reputation for delivering high-quality, dependable services. Our team is highly skilled and trained in the latest technologies, ensuring every job is done right, the first time.

Innovative & Tailored Solutions

We’re committed to delivering not just exceptional service, but also innovative solutions for your air conditioning, ventilation and refrigeration needs. Whether it’s designing energy-efficient systems or providing custom solutions for complex commercial spaces, we always tailor our services to your specific requirements.

“We instructed HJM Air Conditioning to supply/install a new system at our office premises and their service was excellent. Prompt, tidy, accurate and a great communicator and overall lovely guy to deal with – Harry did a first-rate job and I can’t recommend him highly enough"

Sean Ash - Ash Drywall, Heathfield, East Sussex

Get in Touch

If you’re looking for the perfect air conditioning, refrigeration or ventilation solution for your home or business in Sussex, Eastbourne, Brighton, Hastings or surrounding areas, get in touch with us today.


We’re here to guide you through every step of the process, from choosing the right system to installation, repairs and ongoing maintenance.

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