Profile: Air Systems Air Conditioning & Refrigeration Ltd. is a provider of air conditioning and refrigeration design, installation, and maintenance services. Our services cover all aspects of industrial applications. We provide a full design and specification service to cover all aspects of commercial refrigeration, air conditioning, ventilation, and cooling services. We also provide an emergency repair service for all types of faults including leakage of water or refrigerant, not maintaining temperature, bad odor, noise problems, compressor failure, or poor performance.