Thermaster Mechanical has been providing service on light to medium duty commercial equipment throughout the suburban Chicagoland area for 30+ years. Since it’s founding in 1986, Thermaster has always aimed to do thorough and quality work, and to go above and beyond to satisfy all of our customer’s needs so that they know they can trust us and are always covered when they have us as their service provider. We believed that through excellent service, we could provide excellent jobs that are rewarding and fulfilling to our technicians. Today we pride ourselves in providing exceptional service, tackling challenges with creative and effective but appropriate problem solving, striving for efficient and smart working practices, and always being enthusiastic to learn more.

If this sounds like a group you’d like to work with, we urge you to read our job listing below and to consider applying today!

Thermaster is seeking a full-time field service technician who can assist in comprehensively taking care of our customer’s needs.

Field Technician


Full-time 40 hours a week, year round


· $1500 signing bonus for those with 1+ year HVAC experience in school or work (given after 90 days of employment)

· Competitive salary

· Health insurance

· Vision insurance

· Life insurance

· Paid holidays

· Paid time off

· Retirement plan with company matching

· Paid continued technical education program

· Tool purchasing program

· Company provided van

· Company provided smart phone


· Good & insurable driving record

· Clean background check

· EPA 608 refrigerant certification – Universal or type II

· Personal tools including basic hand tools, cordless drill, refrigerant gauges.

· Personal meters including VOM, amperage meter and temperature meter

· Punctual and organized

· Represents self and company positively in appearance and manors

· Follows safety requirements

· Works for a quality finished product

· Can work with others or independently

· Comfortable working with voltages up to 480 volt, 3 phase

Beneficial Attributes

· Technical school degree

· Computer literacy

· Leadership abilities

· Can read and interpret wiring diagrams and schematics

· Digital controls knowledge

· Direct fired heater knowledge

· Estimating abilities

Please send resume and/or contact us by e-mail or fax to 630-620-6255