The modern air conditioning systems we install save energy, reduce carbon emissions and are discreet and reliable. They are also supplied by leading manufacturers that focus on producing high quality cooling and heating systems. Since 1999, AAC has been serving London and the Home Counties from our head office in Welwyn Garden City. From our beginnings in air conditioning, our company has evolved and expanded to also offer installation and maintenance for ventilation and renewable energy products. At AAC we know that you have a choice and to that end we have always strived to offer the best customer service in our industry. After 18 years of trading a staggering 80% of our business is generated by either referral or repeat business. When you contact us, our operators will provide a personal, efficient response. You will be able to have an initial chat with a surveyor who will ultimately be the person to come to your premises to discuss your requirements.