Residential HVAC Service Technician

Astacio Plumbing, Heating, Cooling & Electrical | Norwalk, CT

Experienced HVAC technicians have options. The difference is finding a company that respects your expertise, provides the support you need in the field, and gives you a real opportunity to grow.

At Astacio Plumbing, Heating, Cooling & Electrical, our technicians are trusted professionals—not just another number on a schedule. We provide steady customer demand, strong office and dispatch support, ongoing technical training, and the tools and resources needed to deliver quality service without cutting corners.

As a Residential HVAC Service Technician, you’ll have the opportunity to take ownership of your calls, solve challenging problems, and build lasting relationships with homeowners. You’ll work alongside experienced professionals across HVAC, plumbing, and electrical, giving you the support of a complete home services team behind every job.

If you’re looking for year-round work, strong earning potential, and a company that recognizes the value you bring to the field, Astacio 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, and indoor air quality equipment.
• Troubleshoot electrical, refrigeration, airflow, mechanical, hydronic, and combustion issues.
• Perform maintenance, system testing, safety inspections, and equipment startups.
• Explain diagnosed problems and recommend appropriate repair, maintenance, or replacement options.
• Obtain customer approval before completing work and collect payment when appropriate.
• Maintain accurate service notes, equipment records, and follow-up information.
• Communicate parts, scheduling, and return-trip needs promptly to the office.
• Maintain a clean vehicle, organized inventory, and professional work area.
• Support apprentices and participate in required meetings and technical training.

What We’re Looking For

• Previous residential HVAC service, repair, and maintenance experience.
• Strong diagnostic and troubleshooting abilities.
• Experience with furnaces, boilers, air conditioners, heat pumps, mini-splits, and related systems.
• Knowledge of refrigeration, electrical, airflow, combustion, hydronic, and control systems.
• Ability to manage service calls independently from diagnosis through completion.
• Strong communication and customer service skills.
• Professional judgment and respect for customers and their homes.
• Ability to maintain complete and timely electronic service documentation.
• EPA Universal Certification required.
• Active Connecticut S-1, S-2, D-1, D-2, B-1, or B-2 license preferred.
• Valid driver’s license with an acceptable driving record.

Why Work at Astacio?

• Competitive compensation with performance-based earning opportunities
• Steady, year-round customer demand
• Strong dispatch, customer service, and operational support
• 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
• Opportunities for Career Advancement
• The support of an established plumbing, HVAC, and electrical team
• A professional environment that values quality, accountability, and teamwork

What Success Looks Like

Success in this role means solving problems accurately, delivering dependable repairs, and creating an experience that earns customers’ trust. You’ll be supported by a team that values your expertise, communicates clearly, and gives you the resources to perform at your best.