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CoolSys

Refrigeration and HVAC design, installation, maintenance

HVAC/R Service Technician

Full-TimeUpdated on 10/23/2026Deadline 3/3/27
$28 - $46/hr+ Quarterly bonus plan
Senior
Catonsville, MD, USA
In Person
Building TradesHVAC & Building Systems

About the job

Requirements
  • A high school diploma, GED, or completion from a trade program or technical school is required.
  • A valid CFC certificate is required.
  • All required safety certifications must be held.
  • At least 6 years of experience in commercial HVAC, refrigeration, ice machines, and gas furnaces is required.
  • Experience working on refrigeration equipment in convenience and supermarket stores is required.
  • Expert knowledge of refrigeration, HVAC, ice machines, gas furnaces, and electrical systems is required.
  • Expert knowledge of single systems, rack systems, display cases, and walk-in boxes is required.
  • Ability to troubleshoot and repair computer controls is required.
  • Good mechanical skills are required.
  • Good communication skills and the ability to build strong relationships with customers and management are required.
  • A good driving record and a valid driver's license at all times are required.
  • Ability to understand and follow company policies and procedures and applicable state and federal laws is required.
  • Ability to use typical business tools, including email, Word, and Excel, is required.
  • Ability to work at heights using ladders or scissor lifts and to perform strenuous physical labor under field conditions is required.
  • Ability to walk, stand, drive, bend, kneel, stoop, crouch, crawl, climb, use hands and fingers, and lift or move up to 25 pounds regularly and occasionally up to 50 pounds is required.
  • Ability to work around refrigeration and HVAC equipment, extreme cold from refrigerant, high heat from brazing, outdoor weather, dust, and elevated noise is required, using appropriate personal protective equipment and safe work practices.
  • Pre-employment criminal background screening, motor vehicle record screening for driving positions, and drug testing are required.
Responsibilities
  • Repair and overhaul equipment such as compressors, water pumps, air handlers, and electrical and mechanical control devices safely, efficiently, and promptly while meeting customer expectations.
  • Repair refrigeration, heating, and ventilation equipment, including air-conditioning units, evaporative condensers, ice machines, water pumps, gas furnaces, compressors, and electric motors safely and promptly.
  • Perform preventative maintenance by diagnosing equipment malfunctions and operating deficiencies to ensure quality work.
  • Process job tickets and work orders and submit them to the appropriate department promptly.
  • Provide training to new or less-qualified technicians as needed.
  • Maintain proper truck inventory and drive the company vehicle safely.
  • Follow the CoolSys CARES principles of collaboration, accountability, respect, empowerment, and safety.
  • Perform other duties as assigned.

About the company

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, California

Founded

2017

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Simplify's Take

What believers are saying

  • Energy Squared joined on August 17, 2026, strengthening MEPR design capabilities.
  • Ares-backed credit support in September 2025 extended liquidity and refinanced prior lenders.
  • CoolSys keeps buying specialists, including 1GNITE, Lima, and Georgia Air Solutions.

What critics are saying

  • June 2026 amendments added PIK debt through 2027, signaling financing strain.
  • Randolph v. CoolSys and the 2026 wage-hour settlement expose recurring labor liabilities.
  • Ares ownership and relentless add-ons create integration drag; one failed merger hurts service quality.

What makes CoolSys unique

  • CoolSys unified Source Refrigeration under one brand in July 2026.
  • Its 2026 portfolio spans refrigeration, HVAC, energy, engineering, and equipment removal.
  • Recurring maintenance contracts drove 54% of revenue and 96% customer retention in 2025.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Paid Vacation
  • Paid Holidays
  • 401(k) Company Match
  • Training Programs
  • Tuition Reimbursement
  • Pet Insurance
  • Employee Discounts
  • Performance Bonus

Growth & Insights and Company News

6 month growth

25%

1 year growth

26%

2 year growth

26%
FreightWaves
Sep 4th, 2025
CoolSys secures $39.5M: A game-changer for cooling industry

CoolSys secures $39.5M: A game-changer for cooling industry.

Abl Advisor
Sep 3rd, 2025
Wingspire Capital Provides $39.5MM Senior Credit Facility to CoolSys - News | ABL Advisor

Wingspire Capital has provided a $39.5 million senior secured credit commitment to CoolSys, a leader in mission-critical HVAC, refrigeration, and energy and carbon reduction solutions for thousands of businesses across the United States.The commitment is part of a broader $150 million credit facility for CoolSys with a syndicate led by Mizuho  that...

Business Wire
Oct 1st, 2024
CoolSys Acquires Mechanical Engineering & Construction Corporation

CoolSys™, the market-leading provider of sustainable refrigeration, HVAC, energy and engineering solutions, has acquired Mechanical Engineering &

The Daily Record
Sep 30th, 2024
CoolSys acquires Catonsville mechanical engineering firm

In acquiring MEC2, CoolSys will strengthen its commercial and industrial capabilities while deepening its market presence in the mid-Atlantic region.

Business Wire
Jun 18th, 2024
CoolSys Acquires Universal Refrigeration

CoolSys acquires Universal Refrigeration.