Absorption heat pumps — low grade & high grade.
Systems we specify for your heat source and duty, then commission and support for life. Upgrade low-grade waste heat into useful process heat and district heating flow temperatures.
Low gradeLow Grade Heat Pump
Combines a high-temperature driving source with low-grade waste heat to deliver a large flow of medium-temperature heat. Typical COP around 1.7 — roughly 1.7 kW of useful heat for every 1 kW of driving heat.
- Output tempUp to ~90 °C
- Typical COP1.6 – 1.8
- Best forDistrict heating, flue gas recovery
High gradeHigh Grade Heat Pump
Takes medium-temperature waste heat and lifts a portion 30–50 °C higher with almost no external energy input. Ideal where process waste heat exists but higher-grade heat is needed.
- Temperature lift+30 – 50 °C
- Typical COP≈ 0.45 – 0.5
- Best forProcess industry upgrades
Where absorption heat pumps deliver value.
District heating networks
Recover flue gas and low-grade sources and lift them to network flow temperatures.
Industrial process heat
Upgrade waste streams for wash water, preheat and higher-temperature duties.
Data centre heat export
Lift server exhaust heat to temperatures neighbouring heat networks can use.
CHP & energy centres
Maximise the useful heat extracted from engines and boilers year-round.
Turn low-grade heat into useful energy.
Send us your waste heat temperatures and flow rates — we'll tell you honestly what's feasible.