HVAC Technical Service Representative – Controls Focused

Mestek, Inc.; Westfield (MA); Hybrid; USD 65,000 - 90,000; Full time

Job summary

Mestek, Inc. in Westfield, MA is seeking an HVAC Technical Service Representative focused on controls to provide post‑sales support by phone, email and remote diagnostics to customers, contractors, and field technicians.

The role requires hands‑on experience with HVAC control systems, knowledge of BACnet/LonWorks/Modbus/N2, and strong problem‑solving and communication skills. Occasional travel is expected.

Qualifications

• Associate’s degree or technical school certification in HVAC or related field.
• Strong understanding of HVAC system operation and real‑world applications.
• Familiarity with BACnet, LonWorks, Modbus and N2 protocols.
• Hands‑on experience with control systems including relay logic and analog signals.
• Proficient in Word, Excel, Outlook and PowerPoint.
• Able to diagnose issues via phone, email, and remote diagnostics.
• Willing to travel domestically as needed.

Responsibilities

• Provide phone and email support to customers, technicians, and contractors.
• Develop technical understanding of Mestek control systems and related products.
• Verify control system functionality through hands‑on testing and analysis.
• Collaborate with engineering to update manuals, installation guides, and docs.
• Occasionally train customers or technicians on product functionality.
• Document support cases in the ticketing system with resolutions.
• Perform other duties as required.

Skills

Troubleshooting

Customer communication

Documentation

Technical problem solving

Team collaboration

Education

Associate’s degree or HVAC tech certification

Tools

BACnet

LonWorks

Modbus

N2

MS Office

Job description

HVAC Technical Service Representative – Controls Focused

#26-095

Westfield, Massachusetts, United States

Job Description

Scope of Position:

Mestek, Inc, a leading HVAC equipment manufacturer, is seeking an experienced HVAC Technical Service Representative to provide technical support for our HVAC products, including troubleshooting, application assistance, and system optimization. This role is primarily focused on providing post-sales support via phone, email, and remote diagnostics, helping customers, contractors, and field technicians resolve issues quickly and efficiently.

As a key member of the technical support team, you will be the go-to person for troubleshooting product issues, answering technical questions, and guiding customers through HVAC system configurations, installations, and control operation. The ideal candidate will have hands‑on experience with HVAC products, a strong understanding of system operations, and the ability to resolve issues efficiently.

Key Responsibilities:

• Provide phone‑based and email support to customers, field technicians, and contractors on troubleshooting HVAC system issues, focusing on electrical, and controls‑related problems.
• Develop and maintain a deep technical understanding of Mestek control systems and related HVAC products.
• Verify control system functionality through hands‑on testing and analysis to ensure reliable operation.
• Collaborate with the engineering team to create and update technical manuals, installation guides, and product documentation.
• Occasionally provide training to customers or field technicians to improve their understanding of product functionality and best practices.
• Record and document support cases in the ticketing system, ensuring a complete log of the issue and resolution for future reference.
• Perform other similar or related duties as required or requested.

Location(s)

260 N. Elm Street, Westfield , Massachusetts 01085 , United States

Requirements

Position Requirements

• Associate’s degree or technical school certification in HVAC or a related field.
• Strong understanding of HVAC system operation, components, and real‑world applications.
• Familiarity with industry‑standard communication protocols such as BACnet, LonWorks, Modbus, and N2.
• Hands‑on experience with control systems, including relay logic and analog signals (0–10V, 4-20mA).
• Proficient in Microsoft Office applications, including Word, Excel, Outlook, and PowerPoint.
• Comfortable working directly with customers to diagnose and resolve complex technical issues.
• Highly organized, self‑motivated, and capable of analyzing technical problems with clear communication.
• Willing and able to travel domestically on an as‑needed basis.