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For years, Tampere Hall has actively worked to strenghten ecological thinking and operated as a green value pioneer in Finland. Environmental responsibility is one of the most important values guiding our activity. In 2014, Tampere Hall was the first conference centre in the Nordic countries to receive the Nordic Ecolabel. What does the Hall’s environmental responsibility consist of? We’ve gathered a few examples below.
In June-July 2017 a solar power plant was built on the roof of the Tampere Hall extension. Altogether 184 solar panels were installed on the roof. All the panels were placed on the roof of the extension, completed last year, whose surface area is 1,180 m2. The solar power plant produces approximately 40,000-42,000 kWh per year. For comparison, this amount of energy would light up one 9W LED lamp for 1,218 years, and would power a laptop computer for 3,652 years.
In 2016, a 20m2 greenhouse was placed on the roof of Tampere Hall, and it has been productive since the early days. The produce is well used in our restaurants. The visionary greenhouse solution, realised in cooperation with Hämeen Lasitoimi, is pioneering work in Finland. Restaurants such as Tuhto make use of the truly local food produced in the greenhouse: vegetables, berries, and other produce. For the 2018 harvest season, the rooftop garden was expanded to nearly twice its size.
In connection with the rooftop garden, there are two beehives, whose original 20,000-bee colony is expected to expand and produce the Hall’s very own local honey. The honey will be utilised and sold, and used in the Hall’s restaurants.
The roof of Tampere Hall is surfaced with Noxite (titanium dioxide). The air-cleaning roofing (surface area 1,505 m2) compensates for approximately 597,115 kilometres of motor vehicle emissions per year. The bitumen roofing works like this: the sun activates the titanium dioxide, which then operates as a catalyst and converts nitrogen oxides into nitrates. Water rinses the nitrates from the roof (the nitrate content of the water is lower than that of mineral water).
Tampere Hall was connected to the district cooling system in 2014. District cooling refers to a system in which cooled water commercially produced in a centralised facility is distributed via pipes to buildings for the purpose of air conditioning. The Hall’s water is sourced from Naistenlahti in Lake Näsijärvi, and the Kauppi pumping station.
A tradition kitchen wastes a massive amount of energy due to problems with grease in the air circulation ducts. With the help of Tampere Hall’s Rena 20 ozone system, it is possible to use a rotary heat exchanger system with a high percentage of heat recovery. By ozonising the restaurant’s grease ducts, the grease in the exhaust air is broken up, the risk of fire is removed, and the need for cleaning is reduced. This also enables the recovery of heat when the air of the grease duct has been purified enough to be suitable for the heat exchanger. The system markedly reduces the amount of smells escaping the kitchen.
Tampere Hall was the first conference centre in the Nordic countries to receive the Nordic Ecolabel, in 2014.
Ozonated water is used in the kitchens of Tampere Hall, and it has replaced the chemical cleaning agents previously used in cleaning the kitchens. We also used ozonated water to wash all the windows of the Hall in the summer of 2017. Ozonated water is produced with an ozonator, which is connected to the cold water tap. The water first goes through a capsule where impurities are removed. Substances including calcium and magnesium are removed from the water. After this the water flows into the device itself, which at the same time draws in air from the room. Inside the machine is an electric field where a small spark is formed, at which point, in the absence of oxygen, ozone is formed. After this, the ozone is mixed into the water as a gas. The disinfectant power of ozone is based on its extremely rapid oxidisation power, which destroys microbes. The disinfectant power of ozone water lasts for four hours, its cleansing power for 8 hours – after that ozone water changes back into ordinary water.