Low-carbon heating
Air Source Heat Pumps
Heat pumps work best when the whole system is designed around low flow temperatures, adequate emitter output and correct hydraulic flow.
Designed as a system, not just an appliance
Rainbow Fix can help with heat-loss-led system design, heat-pump selection, hot-water cylinders, underfloor heating integration, controls and system hydraulics.
System sizingHeat loss, design temperature and emitter assessment.
Low-temperature heatingUFH and radiator performance at heat-pump flow temperatures.
Hot waterHeat-pump cylinders, coil sizing, recovery and controls.
HydraulicsFlow rates, pressure losses, pumps, buffers and separation where required.
Considering a heat pump?
Start with the property and the heating requirement.