Low Pressure Hot Water (LPHW) systems are a core element of heating infrastructure in commercial, industrial, and multi-residential buildings. At HarperMech, we design, install, and maintain bespoke LPHW systems that deliver consistent heating and hot water supply, even in high-demand environments. Our engineers carefully size and specify every system to maximise efficiency, reduce energy costs, and ensure safety. From plant-room boilers to distribution pipework, we manage the full installation and commissioning process, guaranteeing compliance with UK and Ireland building regulations. With robust designs and premium components, our LPHW systems provide long-lasting reliability that clients can depend on.
At HarperMech, we know that choosing the right mechanical engineering solutions can raise a lot of questions. To help, we’ve answered some of the most common queries about our services, compliance, and aftercare — giving you clear, straightforward information before you get started.
Yes — HarperMech provides both prefabricated and on-site services. Our offsite prefabrication ensures faster installation, improved quality control, and reduced disruption on-site, while still delivering robust, fully compliant systems.
Absolutely. All of our installations are designed, tested, and commissioned to meet or exceed current UK and Ireland standards. We also stay ahead of evolving legislation, particularly around sustainability and fire safety, to give our clients complete peace of mind.
Yes — HarperMech provides full aftercare services, including planned maintenance schedules, performance monitoring, and rapid-response support. This ensures your systems continue to operate safely and efficiently for years to come.