A single possible downside of employing a fuel absorption heat pump may be the Original Charge, as it could be more expensive to set up when compared with traditional electrical heat pumps. Furthermore, they might not be suitable for all climates and will need frequent servicing to ensure optimal effectiveness. https://purethermal.co.uk/media-news/can-gas-absorption-heat-pumps-provide-an-alternative-heat-pump-option-in-2025/