Job Description

HVAC Service Technician

John Nugent & Sons | Sterling, VA

Experienced HVAC technicians have choices. The right opportunity should offer more than a full schedule—it should provide steady customer demand, strong office support, quality tools, continued training, and a company that respects the expertise you bring to every service call.

At John Nugent & Sons, we’ve built a long-standing reputation throughout Northern Virginia by delivering dependable home services and treating customers the right way. That reputation starts with skilled technicians who take pride in accurate diagnostics, quality repairs, and professional communication.

As an HVAC Service Technician, you’ll have the support of an experienced dispatch, customer service, and operations team behind you. You’ll diagnose and repair residential heating and cooling systems, help homeowners understand their options, and have the resources needed to deliver quality service without cutting corners.

If you’re looking for year-round work, strong operational support, and a company where your technical ability and customer care are genuinely valued, John Nugent & Sons may be the right place for your next move.

What You’ll Do

• Diagnose, service, repair, and maintain residential heating and cooling systems.
• Work on furnaces, boilers, air conditioners, heat pumps, mini-splits, air handlers, thermostats, and indoor air quality equipment.
• Troubleshoot electrical, refrigeration, airflow, mechanical, hydronic, and combustion-related issues.
• Perform preventive maintenance, equipment startups, system testing, and safety inspections.
• Explain diagnosed problems and recommend appropriate repair, maintenance, or replacement options.
• Obtain customer approval before completing work and collect payment when appropriate.
• Complete accurate service notes, equipment records, photos, and follow-up documentation.
• Communicate parts, scheduling, and return-trip needs promptly to the office.
• Protect customers’ homes and maintain a clean, professional work area.
• Maintain assigned vehicles, tools, diagnostic equipment, and truck inventory.
• Coordinate with dispatch, customer service, installation, and management teams.
• Participate in required meetings, technical training, and professional development.

What We’re Looking For

• Previous residential HVAC service, repair, and maintenance experience.
• Strong diagnostic and troubleshooting abilities.
• Experience servicing furnaces, boilers, air conditioners, heat pumps, mini-splits, and related systems.
• Knowledge of refrigeration, electrical, airflow, combustion, hydronic, and control systems.
• Ability to independently manage service calls from diagnosis through completion.
• Strong communication and customer service skills.
• Ability to explain technical findings and available options clearly to homeowners.
• Commitment to safe, dependable, and high-quality work.
• EPA Universal Certification required.
• Applicable Virginia trade licenses or certifications preferred.
• Comfortable using tablets, mobile applications, and field service software.
• Valid driver’s license with an acceptable driving record.
• Ability to perform physical work in attics, basements, crawl spaces, mechanical rooms, and outdoor conditions.

Why Work at John Nugent & Sons?

• Competitive compensation with performance-based earning opportunities
• Steady, year-round customer demand
• Strong dispatch, customer service, and operational support
• Established Northern Virginia reputation
• Medical, Dental, and Vision Insurance
• 401(k) with Company Match
• Paid Time Off and Paid Holidays
• Company-Provided Vehicle
• Company Phone or Tablet
• Uniforms and Professional Diagnostic Equipment
• Ongoing Paid Technical and Customer Service Training
• Career Advancement Opportunities
• Support from an experienced HVAC, plumbing, and electrical team
• A professional environment that values quality, accountability, and teamwork

What Success Looks Like

Success in this role means diagnosing HVAC problems accurately, completing dependable repairs, and helping homeowners feel confident in the recommendations you provide. You’ll communicate professionally, document your work thoroughly, and help John Nugent & Sons continue earning customer trust through quality service and consistent follow-through.