> Markdown version of [/jobs/ext/1134007-hvac-technical-support-specialist-commercial-systems](https://www.wearedevelopers.com/jobs/ext/1134007-hvac-technical-support-specialist-commercial-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # HVAC Technical Support Specialist - Commercial Systems - **Company:** CASA MOON LLC - **Location:** Roseville, MN, United States - **Experience:** Expert - **Salary:** $80,000.0 - $160,000.0 - **Contract:** Permanent contract - **Skills:** Software Applications, Bacnet - **Published:** July 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=faccde6b47165ace ## About the Role * 5+ years of hands-on commercial HVAC service, controls, commissioning, startup, or field-support experience * Experience as an HVAC Service Technician, Controls Technician, BAS Technician, Field Service Engineer, Applications Engineer, or similar technical professional * Strong troubleshooting knowledge of commercial HVAC equipment and system applications * Experience with chillers, rooftop units, VAV systems, air handlers, or comparable commercial equipment * Ability to read wiring diagrams, control sequences, submittals, specifications, and technical manuals * Strong communication skills and the ability to explain technical solutions clearly to contractors and field technicians * Ability to evaluate problems independently and recommend practical corrective actions * High school diploma or GED required ## Description We are hiring an experienced HVAC Technical Support Specialist to provide advanced product and troubleshooting support to contractors, field technicians, and internal sales teams. We are specifically looking for someone with hands-on commercial HVAC service, controls, commissioning, or startup experience. The right candidate understands how commercial systems operate in the field and can diagnose equipment, wiring, control, communication, and performance issues through phone, email, and remote support. This is not a general customer-service position. You will serve as a technical resource for professionals working with chillers, rooftop units, air-handling equipment, VAV systems, building automation controls, and related commercial HVAC products. What You'll Do * Support contractors and technicians with commercial HVAC installation, startup, commissioning, service, and troubleshooting * Diagnose equipment, wiring, controls, communication, and system-performance issues remotely * Guide field technicians through troubleshooting procedures and practical corrective actions * Review wiring diagrams, control sequences, equipment submittals, specifications, and technical manuals * Assist with BAS integration, DDC controls, BACnet communication, and cross-manufacturer system coordination * Support internal sales teams with product applications and technical customer questions * Coordinate with manufacturers and internal specialists when additional technical support is required * Document recurring issues and help improve product training and technical-support processes, * Exposure to a broad range of commercial HVAC equipment and controls * Continued product and systems training * Opportunity to serve as a trusted resource for contractors and internal teams * Additional company-sponsored benefits may be available ## Related Videos - [Empowering and Motivating Developers in a Purpose-Driven Team of the Future](https://www.wearedevelopers.com/videos/1177-empowering-and-motivating-developers-in-a-purpose-driven-team-of-the-future) - [Securing your application software supply-chain](https://www.wearedevelopers.com/videos/468-securing-your-application-software-supply-chain) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) - [Hiring AI Native Talents](https://www.wearedevelopers.com/videos/100268-hiring-ai-native-talents) ## Related Articles - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Starter Kit For Job Applications For Developers](https://www.wearedevelopers.com/magazine/7-starter-kit-for-job-applications-for-developers) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam)