Phone  : 01727 761592 | Mobile : 07989436022 |

Since 2000, Stay Cool HVAC has been serving London and the Home Counties from our head office in St Albans City. From our beginnings in air conditioning, our company has evolved and expanded to also offer Design, supply, install, trouble shoot and maintenance for Air conditioning, ventilation and renewable energy products.
At Stay Cool HVAC 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 twenty years of trading a staggering 90% 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.
Once an agreement is reached, our engineers will arrive at the agreed time in our modern distinctive vans and complete their work in a tidy and professional manner.

We are based in Hertfordshire and cover all of London and the Home Counties. We have wealth of experience in this industry, and have a varied portfolio of previous installations.

Our clients depend on us because they get a personal service from a company that they can trust. We are proud to include a large number of high profile businesses , schools, embassies, surgeries among our loyal clients including:

  • Fait Maison,
  • Aquum,
  • easy Hotel,
  • Cobella Hair salon,
  • Lakeside international Hotel,
  • Signature Hotel and many more.


At Stay Cool HVAC we believe the best approach to training is to be trained by experienced field engineers that have many years in both, industry and product knowledge. … Our practical exercises allows the engineer to develop their installation and commissioning skills, and, diagnosing faults by working on operational systems. 

Training AC Units

Director Hatem Nawar

Hatem Nawar

Our Director Hatem Nawar is an expert and high experienced for more than twenty years of producing high quality and effective training for Fujitsu and most of the other AC manufactures products.