A reliable source of energy for your business Hadex-Gaz Ziemny means lower gas bills for your company. Find out more Offer for companies Natural gas for enterprises is the main pillar of our business. As a trading company, we supply and sell natural gas to end users. Find out more Offer for the home Natural gas for the home is an offer tailored specifically to the needs of smaller customers. Check what you will gain by changing your gas supplier to Hadex-Natural Gas. Find out more Call and make an appointment with our representative, and to present you an individual offer , which surely will surprise you pleasantly. 61 871 08 08 Monday-Friday: 8 00 - 16 00 Calculator Convert the consumption of natural gas in both units: calculator m 3 to kWh and kWh to m 3 Go to the calculator Hadex-Gaz Ziemny Sp. z o . o . ul. Wichrowa 22, 60-449 Poznań © Hadex-Natural Gas . All rights reserved.