PLUMBING • HEATING • VENTILATION • AIR-CONDITIONING • REFRIGERATION • FIRE PROTECTION • BUILDING AUTOMATION • PROCESS PIPING • SHEET METAL
Trust Your Building Systems With Zien Service
Zien Service, Inc. is single-source mechanical contractor offering a wide array of in-house services including Plumbing, Air Conditioning, Heating, Ventilation, Refrigeration, Process Piping, Building Automation Systems, Mission Critical Data Centers and more.
Since 1919, Zien has forged a solid reputation by providing excellent service throughout Wisconsin and Northern Illinois. Zien’s team is proficient in implementing solutions for commercial, industrial and institutional systems, regardless of size or complexity. Proof is demonstrated in a long list of prestigious projects.
Zien has the expertise to handle all your mechanical needs, from design and engineering to fabrication, installation and maintenance. From restaurants and complex buildings to steel foundries and data centers, Zien installs, maintains and services all brands of heating, air conditioning, ventilation and refrigeration equipment.
Our daily goal is to complete projects on time, within budget, and in a safe and cooperative work environment.
Everything you need is under one roof at Zien Service, Inc.
Since 1919, Zien Service, Inc. has served commercial, industrial and institutional customers throughout Wisconsin and Northern Illinois. A single-source contractor, we specialize in the design, fabrication, installation, maintenance and service of HVAC, plumbing, refrigeration and automation systems and more.
2303 West Mill Road
Glendale, WI 53209