HVAC/R Service Technician

CoolSys
Buffalo, NY
Overview:

WHY COOLSYS?

At CoolSys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America's Greatest Workplaces! As a large company serving diverse customers, we invest in our team with:

  • Competitive Compensation: $35-$42/hr
  • Sign on Bonus : Up to $3,000.00 DOE
  • Ongoing Education & Training: Access to state-of-the-art facilities and paid online training.
  • Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match.
  • Year-Round, Diverse Work: Stay engaged with consistent, interesting projects throughout the year, working across various industries and systems to keep learning and growing.
  • Extra Perks: Quarterly bonus plan, tuition reimbursement, employee discounts on vehicles, hotels, theme parks, pet insurance, and more.

Join us and advance your career while working with top-tier clients in the HVAC and refrigeration industry!

Responsibilities:

· Ability to report to work in a timely manner as scheduled by supervisor.

· Repair and overhaul equipment such as compressors, water pumps, air handlers, electrical and mechanical control devices and other similar machinery.

· Test malfunctioning systems and components using electrical and/or mechanical skills.

· Maintain legible corporate and personal records of work history.

· Provide general repair work on refrigeration, heating and ventilation equipment such as air conditioning units, evaporative condensers, ice machine equipment, water pumps, gas furnaces, compressors and electric motors.

· Provide preventative maintenance activities; diagnose equipment malfunctions and operating efficiency of mechanical equipment.

· Perform work on minor construction and remodeling projects including startups of new installations.

· Embodies the CoolSys CARES culture (Collaboration, Accountability, Respect, Empowerment, Safety).

· Performs other duties as assigned.

Qualifications:

Education / Training

· High school diploma or GED, equivalent work experience and trade or technical school classes.

· Valid EPA certificate.

Work Experience / Skills

· 3-5 year's experience in commercial HVAC, refrigeration, and electrical required.

· Basic knowledge of refrigeration, HVAC, ice machines, gas furnaces, and electrical.

· Experience working on refrigeration equipment in convenience stores or supermarkets a strong plus.

· Familiarity with single systems and rack systems along with previous work on display cases and walk-in boxes is very helpful.

· Knowlege of the components in a single-phase compressor and single-phase motor control circuit.

· Ability to use an ohmmeter.

· Ability to verify a capacitor is in good standing.

· Ability to demonstrate an understanding of defrost circuits.

· Knowledge of schematic and wiring diagram.

· Ability to identify/explain function of refrigeration components.

· Ability to properly leak check a single-compressor system.

· Ability to demonstrate proper PPE and safety equipment.

· Ability to set up LPC as the primary temperature control and as a pump down safety control.

· Ability to demonstrate how to determine superheat and how to set expansion valve superheat.

· Ability to verify a defrost termination is functional.

· Ability to demonstrate the proper tasks for performing preventative maintenance on HVAC systems.

· Ability and knowledge of the functions and safety precautions of the components of a gas furnace system.

· Ability to properly recover refrigerant from a refrigeration system.

· Ability to change oil in a vacuum pump.

· Ability to demonstrate how to properly hook up a gauge set for evacuation.

· Knowledge of reporting procedure for a large refrigerant release.

· Knowledge of level 2 experience/information.

· Must be able to lift up to 60 lbs. with no assistance and be able to sit and/or stand for several hours at a time.

· Valid driver's license.

· Good driving record.

· Ability to understand and follow all company policies and procedures and all applicable State and Federal laws.

· Ability to use typical business tools including E-Mail, Word, Excel, etc.

Join Us:

Today, there are 27 different companies that make up the CoolSys family of brands . Our valued employees are at the heart of our continued growth and success. We invite you to be part of that growth!

Connect with us on Facebook and X .

CoolSys is an EEO/AA Employer.  All qualified individuals - Including all ages, colors, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other characteristics are encouraged to apply.

Pre-employment background screening (criminal and MVR for driving positions) and drug testing are required for all positions. CoolSys will consider qualified applicants with criminal histories in a manner consistent with federal law, state law, or local ordinance.

Sr, senior, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, install, mechanical, mechanic, apprentice, AC, field service, chiller, specialist, HVACR, supermarket, rack systems

Posted 2026-07-28

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