When visiting the Clevedon A&P Show please look us up, Oxygen Air, specialists in heat pumps and ventilation. You will find us at stand 18 or you can call us on 0800 85 40 85. If you are interested in heating, cooling or ventilating your home come and check out our heat pump and ventilation specials. Aspen ventilation Systems installed from just $2,995 and heat pumps installed from a low $1,695, both including GST and all electrical work. Oxygen Air, Auckland's Heat Pump and Ventilation Specialists.