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Senior Commercial HVACR Field Service Specialist

AiRCO Mechanical Ltd., Round Rock, TX, United States


Shape complex climates, one commercial system at a time.

At Airco Mechanical, your day starts with a well‑stocked, low‑mileage service vehicle and a clear route. You’ll arrive on‑site ready to diagnose commercial DX systems—rooftops, splits, heat pumps, packaged units, and VRF—then restore comfort for our customers with precision and care. You’ll document your work thoroughly, communicate updates clearly, and leave each site safer and more efficient than you found it.

Airco Mechanical has delivered mechanical, electrical, and plumbing solutions for more than 40 years and now employs over 1,000 professionals. If you’re seeking a place to advance technically, grow professionally, and be rewarded financially, this is that place.

What you’ll do

Diagnose, service, and repair commercial DX HVAC systems, including rooftop units, split systems, heat pumps, packaged units, and ideally VRF equipment

Replace and commission compressors, motors, expansion valves, coils, and related components

Accurately record work performed, materials used, and time on task

Collaborate and communicate effectively with customers and Airco teammates

Follow safety protocols, building codes, and EPA regulations at all times

Care for tools, test instruments, and your work vehicle to keep them mission‑ready

What you’ll bring

High school diploma, GED, or trade school graduate

5+ years of commercial or industrial HVAC service experience

EPA Universal certification

Valid Texas driver’s license with a clean driving record

Able to pass a background check

Compensation & schedule

Job type: Full‑time

Pay: $30.00 – $60.00 per hour

Expected hours: 40–50 per week

Benefits & support

Sign‑on bonus available

Two weeks of paid vacation in your first year

Paid holidays and sick leave

Low‑mileage service vehicles

Excellent medical, vision, and dental coverage with very low employee cost

Company‑paid life insurance at 2x salary

Company‑paid short‑term and long‑term disability

Accidental death and dismemberment insurance

Optional additional life insurance

401(k) with company match

Tuition reimbursement

Teladoc

Employee assistance program

Sign‑on bonuses

10+ years experience: $10,000

5+ years experience: $7,500

Sign‑on bonus is based solely on experience and must be approved and signed upon hire by the hiring manager at the time of the interview/hire.

Why Airco Join a respected commercial MEP leader where your craftsmanship is valued, your growth is supported, and your impact is visible every day.

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