Heatpump Airconditioning Specialists. Heatpump airconditioning, heatpump hot water systems, heatpump underfloor heating, heatpump swimming pool heating.HAS has built a reputation on quality. It is our mission to become the leader in our field by providing a superior product with recognisable health and cost benefits to all of our clients.We can design, supply and install heatpump systems to suit your individual requirements and projects