Products
Hybrids
Grant hybrid products combine traditional fossil fuel heating with the green advantage of an air source heat pump to provide a renewable solution to boiler replacements.
Grant VortexAir Range
- Incorporates the Grant Aerona³ heat pump with a Vortex oil boiler
- Heat pump is MCS Certified
- Designed to operate with maximum efficiency
Grant VortexAir Accessories
- Designed specifically for the VortexAir hybrid
- Includes heat meter and electricity meter kits
- Grant Aerona³ heat pump accessories compatible with hybrid range
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The control system on the hybrid unit monitors the ambient (outside) air temperature and allows only the heat pump to operate when the air temperature is high enough for it to meet the heat demand of the building on its own. At lower ambient air temperatures the boiler will operate alongside the heat pump, providing a boost to the flow temperature. When the ambient air temperature falls lower still, the boiler is operated at its full output at a higher flow temperature to enable the hybrid unit to meet the higher heating demand of the building.
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