Commercial heat pump guides and comparisons
In-depth, no-nonsense guides on cost, grants and funding, timelines, radiators and flow temperature, and the decisions that matter for commercial heat pump installation. Updated for 2026.
Weighing it up? Start with whether a commercial heat pump is worth it and the myths vs facts, then see the cost guide, capital allowances and grants & funding.
Commercial heat pump vs domestic: what changes at scale
What makes a commercial heat pump different from a domestic one: capacity, three-phase supply, cascades, controls, hot water, refrigerant rules, noise and funding.
Read guide → hybridHybrid Heat Pump System Installation: Sharing the Load
How a hybrid heat pump and existing boiler share a commercial heating load: controls, changeover temperature and what the install changes.
Read guide → air-sourceHow to Install an Air Source Heat Pump: Commercial Steps
How a commercial air source heat pump is installed: siting, roof or plant-room loading, pipework, electrical supply and commissioning, step by step.
Read guide → ground-sourceGround Source Heat Pump Loop Design: Boreholes and TRT
Borehole field design for a commercial ground source heat pump: ground investigation, thermal response test, spacing and what drives the programme.
Read guide → air-sourceAir Source vs Ground Source Heat Pump: Commercial Cost
Air source vs ground source heat pump for a commercial building: installed cost per kW, space, programme and disruption in one decision table.
Read guide → timelineHow long does a commercial heat pump installation take?
A realistic timeline for a UK commercial heat pump installation — survey to commissioning — and why the DNO supply upgrade, not the plant, is usually the longest-lead item.
Read guide → radiatorsDo you have to replace radiators for a commercial heat pump?
Does a commercial heat pump mean ripping out every radiator? Usually not. How flow temperature and an emitter survey decide what actually needs upgrading in a UK commercial building.
Read guide → grantsCommercial Heat Pump Install and the 45 kWth BUS Limit
What the Boiler Upgrade Scheme's 45 kWth limit means for a commercial heat pump install in England and Wales. Check Ofgem for the current rules.
Read guide →Each guide supports the main commercial heat pump installation overview and the cost guide.
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Replies by email
- 1. Desk feasibility from the building details and consumption data you send, no obligation.
- 2. A plain assessment of the flow temperature and supply questions.
- 3. Next steps laid out plainly, with no obligation.