Zehnder Rittling offers Fan Coils. Their solution for efficient and energy-saving heating and cooling is the simple to install. Zehnder Radiant Ceiling Panels and Rittling Induction Units represent an energy-efficient heating and cooling solution.

Zettler Controls Inc. is a US-based renowned HVACR component manufacturer with an extensive offering of relays, thermostats, transformers, heat sequencers, temperature sensors, and fan centers.

Zimmer's Heating & Cooling business has expanded to include residential, retail, and commercial heating and cooling.

Zukunft Erdgas (Future of Gas) is the initiative of the German gas industry. They represent the brand and the product natural gas, as well as green gas and are contacts for politics, market partners, consumers and the media. They are involved in natural gas, power generation, heating market, heating, biogas, biomethane, hydrogen, power plants, fuel cells, LNG and power-to-gas technologies.