Highly skilled engineers, preventative maintenance and full regulatory compliance for every type of air conditioning and ventilation plant.
Planned preventative maintenance by qualified engineers covering cassettes, chillers, air handling units and close control systems, tailored to your equipment and budget. It includes leak prevention and refrigerant management under the F-Gas Regulation, with relative refrigerant loss kept below a maximum of 5%.
Cool Stream Ventilation employs highly skilled engineers to ensure air-conditioning and ventilation equipment is maintained to the highest possible standards. Our preventative maintenance programmes are tailored closely to the requirements of our clients in terms of environment, type of equipment and budgets. We operate in all market sectors and maintain every type of air conditioning system, including cassettes, chillers, air handling units and close control systems.
Working with the main suppliers within the industry, we ensure spares are sourced in a timely manner and at competitive prices.

Engineers qualified to current industry standards, protecting you from regulatory penalties.
Best-available techniques minimise relative refrigerant loss, with safe disposal of waste refrigerant.
Every installation pressure-tested from day one for a leak-tight system.
Competitive replacement of systems using R22 refrigerant, with minimal disruption.

As a contractor, we know that fixing leaks is just treating symptoms. We provide a complete expert service, advising on future refrigerant strategies and carrying out full system analysis to ensure your systems maintain performance — protecting you against equipment breakdowns, regulatory penalties and rising energy costs. Leak detection starts at the time of installation: our good practice from day one means every installation is properly tested in accordance with BS EN378, and pressure testing ensures we install a leak-tight system.
We maintain every type of air conditioning system, including cassettes, chillers, air handling units and close control systems, across all market sectors.
Yes. Preventative maintenance programmes are tailored closely to your environment, type of equipment and budget.
We implement all measures in accordance with the best available techniques to reduce relative refrigerant loss below a maximum of 5%, and all installations are tested to BS EN378.
Yes. We maintain plant for customers across the UK. Call 07759 696007 or WhatsApp us with your location.
Wherever your site is, we survey, design, manufacture and install. Find your nearest area, or call 07759 696007.