Terratherm Ltd

5.0(4)Caerphilly • REFCOM

About

Terratherm Ltd is a business based in Caerphilly. They work in air conditioning, carrying out maintenance and replacement work. Customers say the team is professional and knowledgeable, and that support is responsive. They are listed with REFCOM as an installer.

Reviews

5.0

Terratherm Ltd is described by reviewers as knowledgeable, professional and responsive, with office staff and technicians both singled out for praise. One reviewer working across several sites says the relationship has been strong, and another working with the company as both customer and supplier reports clear quotes, on-time deliveries and good support, including advice on refrigeration and AC design and fast problem-solving. A further reviewer says Terratherm has carried out three-monthly maintenance on production chillers and office air conditioning units since early 2024 and has also replaced chillers and AC units with their engineering teams. They describe the team as excellent and the knowledge and support as first class, and all four reviewers recommend the business. No criticism is reported.

Liam W.Nov 2025 · Google

Delighted with Terratherm’s professional and knowledgeable engineers & office staff. Working on many of our sites offering support for a range of heating & cooling plant has enabled us to form a fantastic relationship. Would highly recommend.

Joe G.Nov 2025 · Google

Fantatsic team, who delievr a 5* Service to our offices.

sam P.Nov 2025 · Google

I’ve worked with Terratherm as both a customer and a supplier, and they continually exceed expectations. The team brings deep expertise in refrigeration and AC systems, from design advice to fast, effective problem‑solving. They’re professional, responsive, and detail‑oriented, and they make collaboration simple, quotes are transparent, deliveries are on time, and support is excellent. Strongly recommend Terratherm for any refrigeration or HVAC needs.

Rick W.Nov 2025 · Google

Terratherm have been supporting our site since Jan 2024, completing 3 monthly PPM maintenance on our critical production process chillers as well as office Aircon units. Terratherm have also worked with our engineering teams to replace chillers and AC units when required. The Terratherm team from office to the technicians who attend site are excellent. Knowledge and support is 1st class. Highly recommended.