Designing a commercial heat pump for domestic hot water is more complex than simply selecting an outdoor unit. Learn how engineers size heat pumps, optimise thermal storage, manage peak demand, and maximise efficiency through intelligent system design.

Advanced thermal modelling tools such as IES VE and DesignBuilder provide detailed heat loss calculations that go beyond the standard BER Heat Loss Indicator (HLI). This article explains how simulation-based design improves accuracy, supports HVAC sizing, and enhances building energy performance compared to traditional BER assessments in Ireland.