The range of Rinnai HPI Monobloc air source heat pumps come in 5, 6, 8, 10, 12, 14, 16 and 18kW variants. The heat pump technology allows upto 7 units to be cascaded together, making the HPI range an ideal choice for any heating or hot water demand. 

The HPI heat pump technology is designed to satisfy the heating and hot water demand of a wide range of applications, from domestic to light commercial. The innovative ability of the system to switch between heating, hot water and cooling mode ensures that the HPI has flexibility and durability as standard.

These models have ultra-low sound capability making them suitable for areas with prohibitive sound legislation. The HPI SL range creates the ideal blend of efficiency and low sound levels ensuring compliance with the most stringent sound standards.

The HPI use R32 refrigerant (low global warming potential) and has an ERP rating of A+++ making this range of heat pumps an economical and environmental sound choice for future and refurbishment projects.