SJJ System Services Ltd

4.9(8)Caerphilly • REFCOM

About

SJJ System Services Ltd is an air conditioning business based in Caerphilly, trading since 2015. They are listed with REFCOM as an installer.

Reviews

4.9

Reviewers of SJJ System Services Ltd report helpful advice, including over the phone and without a callout, and one says the company helped with a purchase of an older system without gain. Communication is described as prompt and great, and staff as friendly and knowledgeable. One reviewer reports using the company since 2009 for servicing and repairing environmental chambers and a full system upgrade, describing the support as exceptional and professional. Another says they would use the company again after an issue was resolved over the phone.

Tibor K.Feb 2026 · Google

Excellent helpful service. Catheryn always promptly informed us during the process to make it all straightforward, along with Mark, who added his great knowledge on top of it. Greatly appreciated, thanks.

Mark K.Jan 2025 · Google

I Have been using these guys since 2009 when they were Design. Since then they have became SJJ and provide a full support portfolio they have been exceptional. From servicing and repairing our environmental chambers to a full system upgrade they have been exceptionally supportive and professional.

mike C.Feb 2024 · Google

Great quick service SJJ System Services helped resolve an issue over the phone. Most appreciated by our engineering team. Will use again

Lee T.Nov 2023 · Google

S H.Jul 2022 · Google

SJJ System Service, thanks Steve for the Advice saved me a callout. always a good service from you and the team. Nick ESI Technology.