Heat recovery of exhaust air for a hotel, residential and spa building

A productive investment: the repayment period is only about four years. The system’s heat production is 1,800 MWh per year and annual coefficient of performance approximately 4.

A famous industrial facility: the cotton mill building was completed in 1899, the renovation into a
spa-hotel in 1990. The separate hotel building was completed in 2002. A total of 122
apartments as well as training facilities and a spa-hotel were constructed in the old
factory.