Parts & Services

At Zonatherm, we understand that the only acceptable amount of downtime is zero. Your job performance depends on it and so does our reputation. When Liebert and Generac equipment is paired with Zonatherm's preventative maintenance and service, you have the advantage of Zonatherm's Total Customer Committment: High 9's Reliability and 24/7/365 Service.

Zonatherm is an Ultimate Service Dealer - a national parts depot for Generac Genuine Parts.


Parts Department

Counter Hours:
6:30am - 5:00pm Monday thru Friday

Emergency Parts 24 Hours: Call the number below and follow the prompts.

Tel (847) 541-1129
Toll Free (888) 251-1278
Fax (847) 541-1653

Service Department

Operating Hours:
7:00am - 5:00pm Monday thru Friday

Emergency 24 hour Service
Tel (847) 541-0029
Fax (847) 541-1750