Baxi HP40
150 Years’ Experience in Heating Homes

Introducing the Baxi HP40 ASHP, a revolutionary heat pump paving the way towards a greener future with its eco-friendly and efficient heating capabilities. The Baxi HP40 Monobloc ASHP is an innovative low-carbon alternative to traditional gas boilers, utilising air as its primary energy source. With minimal electrical energy input, the HP40 can provide heating and hot water to your home even in temperatures as low as -25°C, delivering more heat than the electricity it consumes.

Baxi is a global leader in home appliance manufacturing, offering a wide range of products to meet the diverse needs of households, workplaces, and beyond.

  • A+++ ErP Energy Rating
  • R32 Refrigerant
  • Up to a 5-year warranty
  • 45 d (BA) quiet operation
  • Efficient heating capacity even when working in the -25°C  to -10°C air temperature range
  • Available in single phase capacities of 4 kW – 13 kW
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Baxi HP40


Baxi are a leading manufacturer of heating and hot water solutions. Baxi are expanding their range to bring you future-proof solutions that will meet these up-coming heating challenges head on. The HP40 ASHP uses R32 as refrigerant.

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Product CodePhaseOutput (kW) -2/50Dimensions (mm) H x D x WWeight (kg)SCOP (Efficiency) @ 35°CSCOP (Efficiency) @ 55°CMax Temp @ -2 Ambient RefrigerantOn-board Circ PumpSound pressureWarranty Years (Trained Installers)*
78305764700 x 400 x 13091074.663.1975R32Yes 45.0up to 5*
78305755700 x 400 x 13091074.773.3975R32Yes 47.5up to 5*
78305747850 x 448 x 13881325.033.2375R32Yes 48.0up to 5*
78305738850 x 448 x 13881325.033.3775R32Yes 50.5up to 5*
783057211850 x 448 x 13881554.673.3475R32Yes 53.0up to 5*
783057113850 x 448 x 13881554.493.3075R32Yes 57.5up to 5*
783057011850 x 448 x 13881724.673.3475R32Yes 53.5up to 5*
783056813850 x 448 x 13881724.493.3075R32Yes 58up to 5*
File Category Download Link
Baxi Homeowner ASHP Quick Start Guide

Baxi HP40 Specification Guide(FHP)