HVAC Service Technician

ModernControls is a leading provider of HVAC and building automation services for commercial facilities across Delaware, Pennsylvania, Maryland, and New Jersey. With over 200 employees and a fleet of more than 160 service vehicles, our team of experts installs, maintains, and designs Building Automation and HVAC systems that help facility managers control building environments, improve energy efficiency, and reduce operating costs.

The Service Technician is responsible for the installation, maintenance, troubleshooting, and repair of commercial HVAC equipment, chillers, mechanical systems, and Building Automation Systems (BAS). This role supports customers across a variety of facility types including healthcare, education, commercial office buildings, and industrial facilities.

Service Technicians work both independently and collaboratively to diagnose system issues, perform preventative maintenance, and ensure that HVAC and BAS systems operate safely, efficiently, and reliably. The position requires strong technical aptitude, a commitment to safety, and a customer-focused mindset.

Technicians represent ModernControls in the field and are expected to maintain a high level of professionalism while delivering quality service that supports long-term customer relationships and operational excellence.

Key Responsibilities

HVAC Service & Maintenance

• Perform preventative maintenance, troubleshooting, and repair on commercial HVAC equipment including chillers, rooftop units (RTUs), air handling units (AHUs), boilers, pumps, and hydronic systems.

• Diagnose mechanical and electrical faults using appropriate tools and testing equipment.

• Perform system startups, inspections, and operational testing.

• Replace defective components and ensure equipment operates within manufacturer specifications.

• Maintain proper documentation of service work performed.

Building Automation Systems (BAS)

• Assist with troubleshooting and servicing of building automation and controls systems.

• Interface with BAS platforms to identify alarms, trends, and system performance issues.

• Verify operation of sensors, actuators, control valves, and control sequences.

• Coordinate with BAS engineers or controls specialists for advanced programming or system modifications.

Customer Service & Communication

• Serve as a professional representative of the company while interacting with customers on job sites.

• Communicate service findings, recommended repairs, and operational concerns to customers and internal management.

• Maintain strong customer relationships through responsive and professional service delivery.

Documentation & Reporting

• Complete detailed service reports and documentation for all work performed.

• Record equipment conditions, parts used, and recommendations for future service.

• Maintain accurate time and job reporting through company systems.

Safety & Compliance

• Adhere to all company safety policies and OSHA regulations.

• Utilize proper PPE and safe work practices when performing service activities.

• Participate in safety meetings, training, and compliance programs.