Economics: Ask for a lifestyle-cycle Expense Investigation with utility level projections and potential incentives. Ammonia is toxic but has zero GWP. Packaged GAHPs keep the ammonia circuit outdoor or in mechanical rooms per code with good air flow and, exactly where demanded, leak detection. Observe neighborhood codes and manufacturer Recommendations. https://purethermal.co.uk/media-news/can-gas-absorption-heat-pumps-provide-an-alternative-heat-pump-option-in-2025/