Senior HVAC Service Technician

Together We Build – Partnership, Innovation, Excellence, and Safety

At Kelso Industries, 4,000+ employees across 40+ companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first.

Four Star Mechanical, one of the leading mechanical contractors in the Ohio region specializing in commercial, and industrial piping, HVAC and Refrigeration is seeking a Commercial HVAC Service Technician for our Cincinnati, Ohio office.

Summary:

Performs skilled, advanced journey-level duties in the inspection, installation, repair and servicing of heating, ventilation, air conditioning, refrigeration and related equipment.

Schedule : 8-hour shift plus overtime, and available On Call (7-day rotations)

Essential Functions: Essential responsibilities and duties may include, but are not limited to, the following:

1. Installs, operates and maintains heating, air conditioning/refrigeration systems and energy systems; conducts regular preventive maintenance inspections of refrigeration units, heating and ventilating units, including boilers, gas and electrically operated air conditioning equipment and makes necessary adjustments or repairs.
2. Inspects, repairs, modifies and installs heating and air conditioning and ventilation equipment, including refrigeration and air conditioning compressors, receivers, condensers, chillers, water cooling towers, forced-air converter units, pumps, automatic and hand valves, expansion valves and capillary tubes.
3. Repairs or replaces defective parts in units and equipment and their controls, including thermostats, electronic controllers, automatic switches, fan controls, log switches, damper motors, louvers, relays, filters, belts, compressors, heat exchangers, high-limit controls, pressure controls, safety valves and automatic gas valves.
4. Tests and examines boiler operations, observing meter and pressure gauges; conducts boiler water quality tests and treatments; adjusts boiler burner combustion.
5. Lubricates and packs heating, ventilation, refrigeration and air conditioning motors, pumps, fans and other equipment.
6. Installs copper tubing and repairs pipes and tubing as necessary; tests joints and insulates pipes of refrigeration and air conditioning systems; flushes boilers, de-scales tubing and cuts and threads pipes; rebuilds pressure and temperature safety valves and water pumps.
7. Repairs and maintains furnace gas controls and motors, filters and condensing units; inspects, detects and repairs leaks; checks and replaces thermocouples and pilot generators; cleans and adjusts pilots.
8. Operates a variety of hand and power tools, vacuum pump and test equipment utilized in the trade; maintains equipment in effective and safe working condition.
9. Diagnoses mechanical and electrical problems; repairs or replaces defective parts in units, equipment and controls.
10. Installs, rebuilds, replaces or repairs fans, motors, thermostats, fuses, filters, bearings, valves, controls, gaskets and other equipment as necessary.
11. Receives work orders; prepares cost estimates for projects and orders materials in accordance with established procedures; provides direction to assigned personnel and participates in assigning work; inspects the work of outside contractors.
12. Observes and complies with relevant federal, state and local building codes; follows safe work practices and procedures; ensures proper safety precautions are observed.
13. Works from sketches, plans, drawings, blueprints and specifications.
14. Follow up with customers for quality assurance purposes and ensure customers are 100% satisfied.
15. Completing paperwork for billing and submitting in a timely fashion.
16. On-call for emergency situations.
17. Other duties as assigned

Qualifications:

• Minimum 5 years commercial experience in plumbing, HVAC and refrigeration
• HVAC and brazing license
• HVAC Journeyman License (highly preferred)
• Universal Refrigerant License
• HVAC, Hydronic and/or plumbing licenses are a plus
• Must be able to be on call in 7-day rotations
• Must have a valid drivers license and clean driving record
• Must be able to access and navigate all areas of construction sites

Preferred:

• Basic knowledge of direct digital controllers (DDC) and integrates Transmission Control Protocol/Internet Protocol (TCP/IP) networking and RS-485 communication equipment.

WORK ENVIRONMENT AND EXPECTATIONS

• Some job duties are performed within an established office environment under normal lighting and climate-controlled tolerances. The noise level in the work environment is usually low to moderate.
• When the employee is at a work site, the employee is regularly exposed to wet and/or humid conditions; moving mechanical parts; high, precarious places and outdoor weather conditions. The noise in the work environment is often loud.
• Requires a consistent physical presence at the branch office to oversee shared services functions and employees, normally achieved by working standard business hours. Certain positions will require flexibility of working hours to meet the demands of the job and the direction of the manager.

The work environments are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

PHYSICAL REQUIREMENTS

• Prolonged periods of standing and walking.
• Requires lifting, positioning, pushing, and/or pulling.
• Frequently reaching, stooping, bending, kneeling, and crouching.
• Prolonged periods sitting at a desk and working on a computer.
• Must be able to lift at least 50 pounds at times.

Why Join Kelso Industries?

Join us and be part of a team dedicated to creating efficient, sustainable, and high-performance environments that make a lasting impact across the industrial, commercial, and institutional sectors.

Here you will experience:

• Growth Opportunities: Develop new skills, take on exciting challenges, and advance your career in meaningful ways.
• Company Culture: You’ll thrive in an environment that supports your growth, values your contributions, and makes work fulfilling and enjoyable.
• Impact: Your work directly contributes to meaningful outcomes, allowing you to see the difference you make and feel a sense of purpose every day.
• Competitive Compensation & Benefits: You’ll be rewarded fairly for your contributions while enjoying perks that enhance your financial security, health, and overall well-being.

Kelso Industries celebrates diversity and is committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment based on race, color, religion, national origin, ancestry, gender, sexual orientation, gender identity and/or expression, age, veteran status, disability, or any other characteristic protected by federal, state, or local employment discrimination laws where Kelso does business