*an optimal layout to provide maximum efficiency

*low operating and maintenance costs

*corrosion-resistant, self-cleaning construction

*the adaptability of our plants to meet any local conditions

waerag air-to-air heat exchanger

*heating surface is a nest of boiler tubes made of high grade steel

*water-tight separation of the air streams

*self supporting construction for easy set up

waerag air-to-water heat exchanger indirect

*heating surface is a nest of boiler tubes made of special steel

*can be set up on top or next to WR-A-A

*suitable for the warming of the heating circulation system and for processwater without fibers.

waerag air-to-water heat exchanger direct:

*housing and built-in units made of special steel

*can be set up on top or next to WR-A-A

*suitable for warming process water containing fibers for the PM system or sewage treatment plant