AddAir - Warm Water Heater and Heat Exchanger in One Unit

Heating with AddAir
During the first weeks of production the AddAir works no different from other type of water carried heaters that supply heat to a house.

Dehumidification with AddAir
In dehumidification mode the roller door opens and the AddAir sucks outside air through the heater where it is heated to room temperature. The suction of outside air increases Δt significantly (Δt = difference between temperature on air entering heater and temperature on air leaving heater) and it is exactly this that makes the AddAir a genuine game changer.

An example: If outside humidity is 90% and temperature 0 degree Celcius then the air introduced to the house via the AddAir can easily be raised to 30 degree Celcius. Consequently the humidity on the air introduced to the room drops to only 12%!! This bone dry air absorbs moisture like a sponge from the house and thereby cuts heating cost by 70% compared to traditional heating systems.

 AddAir in short:

• No CO2 emissions in the poultry house
• Significantly reduced humidity in the house
• Optimal environment for the birds
• Swing away front - easy to clean
• Electrical consumption only 20% of other heat exchanger systems
• Capacity: 8000 m³/hour

The motor for the AddAir is UL/ULc listed and can run on both 50Hz and 60Hz power grid.

AddAir is a versatile and highly efficient heat exchanger, combining the simplicity of traditional heating systems with the efficient humidity control of heat exchangers - but at a fraction of the initial cost, with much longer service life, and significantly lower running costs. AddAir quite simply is a game changer for the entire poultry industry, due to its supreme dehumidification capability.

Compared to other heat exchangers, AddAir has the following advantages:

• Better distribution of the air in the house
• Better litter condition
• Better integration with ventilation
• Significantly lower power consumption
• Significant saving in heating costs
• No cleaning and maintenance during production
• Open construction – easy to clean
• Much lower initial costs and running costs

System description
The AddAir unit is a water carried heat exchanger and connects to a conventional boiler.

When the dampers in the unit are closed, the unit serves as a traditional heater, recirculating room air over the heater and distributing it evenly throughout the building.

When dampers are open the unit serves as a heat exchanger and provides superior humidity control and ample supplies of preheated fresh air. The air entering the building is warm and will not cause draft or condensation. The air leaving the unit is extremely dry and will absorb moisture quickly and efficiently.

• 60kW at -10 Pa and 30°C ambient, calculated at nominal fluid flow.
• Calculate heat output using the following formula: (Tfluid inlet - T cooling air inlet ) × 1.2kW
• Example: (80-30) × 1.2 kW = 60 kW.
• Air exchange capacity: 8000 m³/h at -10 Pa.
• Fluid supply requirement:Nominal: 50 l/min per unit, 80°C at inlet Long Life Antifreeze suitable for aluminium must be added (25-60% concentration depending on climate conditions – consult installer).
• Fluid temperature drop: Approximately 20°C at nominal flow and 30°C ambient air.
• Fan motor: 3×400VAC 6-pole (950 RPM) 0.3kW IP55 Insulation Class F.