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Help and support

At Key A.C., we believe climate control should be simple and stress-free. Whether you’re curious about air conditioning installation, looking for maintenance advice, or need urgent repair support, we’ve answered the most common questions here. Can’t find what you’re looking for? Our team is always just a call away.

General

What services do you offer?

We design, install, maintain, and repair air conditioning and refrigeration systems for both businesses and homes. From walk-in cold rooms to ducted A.C. units, we provide tailored solutions across the North West.

Do you only work on systems you installed?

No — we maintain and repair systems from all major brands, even if we didn’t install them originally.

Which areas do you cover?

We operate across the North West, serving Lancashire, Greater Manchester, Merseyside, Cheshire, and beyond.

Air Conditioning

How often should I service my air conditioning system?

We recommend servicing at least once a year for homes and twice a year for commercial systems. Regular maintenance improves efficiency, air quality, and system lifespan.

Which brands do you work with?

We work with all major manufacturers, including Mitsubishi Electric, Mitsubishi Heavy, Daikin, Toshiba, Panasonic, Midea, Samsung, LG, and Fujitsu.

Can air conditioning also heat my home or office?

Yes — most modern A.C. systems are heat pumps, meaning they provide both heating and cooling for year-round comfort.

Refrigeration

What types of refrigeration do you install?

We install walk-in cold rooms, walk-in freezers, display cases, and back-of-house storage systems, all designed for safety, compliance, and efficiency.

Do you repair refrigeration systems you didn't install?

Yes — our engineers can repair and service most makes and models, even if we didn’t install them.

How often should be refrigeration system by serviced?

We recommend at least once a year to keep your system running smoothly and to help avoid breakdowns.

Costs & Quotes

How much does a new system cost?

Costs depend on the size of your space, the system type, and your requirements. We provide free quotes after a survey to give you clear, tailored pricing.

Do you offer free site surveys?

Yes — we provide free, no-obligation site surveys to recommend the best solution for your space.

Still have questions?

We're on hand to answer any questions you have.

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