South coast's favourite
Temperature Control Specialists
Bespoke air conditioning, wine cellar cooling, and specialist refrigeration, engineered to high standards across South East England.
Offering a wide variety of air cooling services
Air Conditioning
Bespoke climate systems designed and installed for residential and commercial properties, with ongoing maintenance to match.
Learn moreVentilation Repairs
Expert diagnosis and repair of ventilation systems, ensuring clean air flow and full regulatory compliance.
Learn moreRefrigeration Servicing
Full servicing and maintenance of commercial and industrial refrigeration systems, keeping your operation running.
Learn moreWine Cellar Coolers
Precision temperature and humidity control for private collectors and commercial wine storage — protecting every bottle.
Learn moreSupermarket PAC Units
Installation and repair of retail display refrigeration, keeping your cold chain compliant and your aisles running.
Learn moreCO₂ & Ammonia Refrigeration
Specialist high-pressure natural refrigerant systems for agricultural and large-scale industrial applications.
Learn moreBespoke Wine Cellar Cooling Installations.
A fine collection deserves more than a standard fridge. We design and install bespoke cellar cooling systems that hold temperature and humidity to within fractions of a degree — protecting your investment for decades. From intimate private cellars to large commercial storage, every installation is engineered to your exact specification.
The standard your property deserves
Telcius was built on a simple belief: high-end clients deserve engineers who take the same pride in their work as the clients take in their homes and businesses.
F-Gas certified engineers
Every engineer holds the relevant industry certifications — you'll never have an unqualified hand on your system.
Bespoke, not off-the-shelf
We design every installation around your space, your usage, and your expectations — not a standard template.
Discreet and professional
We work cleanly, quietly, and with full respect for your property — leaving nothing behind but a perfectly running system.
Covering more than just the South East
Primarily serving Hampshire, Kent, Surrey, Sussex, and Greater London — with rapid response for urgent callouts.For bigger projects, we cover nationwide and international services - get in touch!
Let's talk about your project
Whether you're planning a new installation, upgrading an existing system, or need specialist advice — we're ready to help. Every consultation is free and without obligation.