C

CoolSys

Refrigeration and HVAC design, installation, maintenance

HVAC/R Service Technician

Equipment Field ServiceConfirmed live in the last 24 hours
Full-timeDover, DE, USA$30 - $40 /hrIn-person

About the Job

Requirements

  • A high school diploma or GED, equivalent work experience, and trade or technical school classes.
  • A valid EPA certificate.
  • At least 5 years of experience in commercial HVAC, refrigeration, and electrical work.
  • Basic knowledge of refrigeration, HVAC, ice machines, gas furnaces, and electrical systems.
  • Knowledge of single systems and rack systems, including display cases and walk-in boxes.
  • Knowledge of the components in a single-phase compressor and single-phase motor control circuit.
  • Ability to use an ohmmeter and verify a capacitor is in good standing.
  • Ability to understand defrost circuits, schematic and wiring diagrams, and the functions of refrigeration components.
  • Ability to leak-check a single-compressor system.
  • Ability to demonstrate proper personal protective equipment and safety practices.
  • Ability to set up a low-pressure control as the primary temperature control and as a pump-down safety control.
  • Ability to determine superheat and set expansion valve superheat.
  • Ability to verify that a defrost termination is functional.
  • Ability to perform preventive maintenance on HVAC systems.
  • Knowledge of the functions and safety precautions of gas furnace components.
  • Ability to recover refrigerant properly from a refrigeration system and change oil in a vacuum pump.
  • Ability to hook up a gauge set for evacuation properly.
  • Knowledge of reporting procedures for a large refrigerant release.
  • Ability to lift up to 60 pounds without assistance and sit and/or stand for several hours at a time.
  • A valid driver's license and a good driving record.
  • Ability to understand and follow company policies and procedures and applicable state and federal laws.
  • Ability to use common business tools, including email, Word, and Excel.

Responsibilities

  • Report to work promptly as scheduled by the supervisor.
  • Repair and overhaul compressors, water pumps, air handlers, electrical and mechanical control devices, and similar machinery.
  • Test malfunctioning systems and components using electrical and/or mechanical skills.
  • Maintain legible corporate and personal records of work history.
  • Perform general repairs on refrigeration, heating, and ventilation equipment, including air-conditioning units, evaporative condensers, ice machines, water pumps, gas furnaces, compressors, and electric motors.
  • Perform preventive maintenance and diagnose equipment malfunctions and operating efficiency.
  • Perform minor construction and remodeling work, including starting up new installations.
  • Perform other duties as assigned.

Desired Qualifications

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

About the Company

CoolSys

Refrigeration and HVAC design, installation, maintenance

CoolSys provides refrigeration and HVAC services to retail, commercial, and industrial clients. It designs, installs, and remodels systems, converts refrigerants, performs preventative maintenance, repairs, and optimizes energy use and overall system performance. Their products are not a physical device but a service offering: engineers create system designs, technicians install and service equipment, and ongoing monitoring and maintenance help keep temperatures stable and energy use efficient. What sets CoolSys apart is its broad, industry-focused experience across grocery, food service, telecommunication, manufacturing, education, entertainment, and pharma sectors, plus a persistent emphasis on reliability, integrity, and meeting client commitments while addressing environmental sustainability. The company aims to improve clients’ operations, experiences, and work environments through high-quality, dependable service and energy-efficient, properly maintained systems.

Company size
1,001-5,000
Company stage
Debt Financing
Total funding
$150M
Headquarters
Brea, CA
Founded
2017

Recently Posted Jobs

Explore more opportunities at CoolSys

See more jobs