Etherm Ltd

eTherm Limited is a SEAI-registered Building Energy Rating (BER) assessor and NSAI-certified airtightness tester based in Claregalway, County Galway. The company provides BER certificates for existing homes, new builds, and retrofits, as well as air tightness testing services. It serves counties Galway, Mayo, Roscommon, Clare, and Westmeath, covering towns such as Athenry, Tuam, Loughrea, Gort, Athlone, Ballinrobe, Ballaghaderreen, Castlebar, Castlerea, Ennis, and Ennistymon.

The company offers provisional BERs for new builds, Part L compliance, certificates for selling or renting property, and technical assessments to support SEAI grants for home insulation, solar PV panels, and heat pumps. Its assessor has been qualified in BER rating since 2007, re-qualified to 2023 rules, holds an engineering degree, and is a member of Engineers Ireland. The assessor has also built a home to an A1 BER rating with personal experience of heat pumps, solar PV, solar thermal, and EV charging, and holds nZEB-related certifications. The company emphasises fast response, clear pricing, punctuality, evening and weekend availability, and quick certificate turnaround.