[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All EMCOR Group jobs](https://jobs.opennash.com/companies/emcor-group/) · [Search jobs](/search/) EMCOR Group · San Jose, CA # HVAC Controls Technician (Union) San Jose, CA, US Full-time $30 - $90 per hour Skilled Trades & Maintenance Listed on EMCOR Group’s official careers site. Posted June 9, 2026. Check that it is still open and apply there. [Apply on EMCOR Group’s careers site →](https://careers-emcorgroup.icims.com/jobs/50393/hvac-controls-technician-%28union%29/job?in_iframe=1) [OpenNash Jobs](https://jobs.opennash.com/) / [EMCOR Group](https://jobs.opennash.com/companies/emcor-group/) / HVAC Controls Technician (Union) ## Job description ### About Us We offer complete, single-source facility solutions. Our offerings include commercial MEP solutions, sheet metal construction, preventive maintenance and service, building automation, energy management, and more. ### Job Summary Air Systems, Inc. is seeking a skilled Union HVAC Controls Technician to install, service, and maintain building automation and HVAC control systems in commercial and industrial environments. This role focuses on ensuring optimal system performance, energy efficiency, and occupant comfort while adhering to union standards and safety practices. Applicants must be current members of a UA Local or SMART Local. #airsys ### Essential Duties & Responsibilities Install, troubleshoot, and maintain Building Automation Systems (BAS) and HVAC controls (DDC systems). Diagnose and repair control system issues, including sensors, actuators, controllers, and communication networks. Perform system programming, commissioning, and point-to-point verification. Interpret control drawings, schematics, and sequence of operations. Work on systems from major manufacturers (e.g., ALC, Distech, Niagara, Johnson Controls, Siemens, Trane, Honeywell, Schneider Electric). Coordinate with HVAC technicians, electricians, and facility teams to complete projects. Calibrate and test instrumentation for accuracy and compliance. Document service activities, system changes, and maintenance reports. Follow union work rules, safety protocols, and site-specific requirements. Perform other duties and responsibilities as assigned. ### Qualifications Active membership to a recognized HVAC/controls union. 6+ years of experience in HVAC controls or building automation systems. Strong understanding of: DDC controls BACnet, Modbus, or ARCnet protocols Electrical systems and low-voltage wiring Ability to read blueprints, wiring diagrams, and control sequences. Experience with system programming and commissioning preferred. Valid driver’s license ### Preferred Skills OEM factory certifications (ALC, Niagara, Distech, JCI, Siemens, etc.) Experience in mission-critical environments (labs, data centers, hospitals) - Knowledge of energy management and optimization strategies - Strong troubleshooting and diagnostic skills Work Environment Commercial buildings, campuses, and industrial facilities Combination of indoor mechanical rooms and field work Occasional after-hours or emergency service Benefits Compensation & Union Benefits Competitive union wages ranging from $30 - $90 per hour, based on applicable union pay scales. Benefits, including health coverage, retirement, and paid time off, are provided through the applicable union in accordance with collective bargaining agreements. Opportunities for ongoing training, certifications, and career advancement through union-sponsored programs. Work Environment & Perks Access to on-site amenities, including an employee gym, EV charging stations, and bike commuter options (where available). A collaborative, team-oriented environment focused on safety, quality, and craftsmanship. This is a union position. Wages, benefits, and working conditions are governed by the applicable collective bargaining agreement. Why Air Systems? At Air Systems, we believe in fostering an environment of growth, integrity, and respect. We take pride in being an employer that values safety, teamwork, and a commitment to excellence. Our Standards of Success reflect the values we uphold in every project: Safety First: We care about the safety and well-being of our employees, partners, and clients. ### Teamwork We work together with respect, integrity, and a shared commitment to excellence. ### Innovation & Growth We’re always looking for better ways to do things—and we encourage creativity and continuous improvement. Equal Opportunity Employer As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled. Affirmative Action Policy Please review our Affirmative Action Policy. ### Notice to Prospective Employees Notice to prospective employees There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. Please check our available positions to confirm that a post or email is genuine. EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCOR’s normal application process – it is probably fraudulent. Geographic Disclosure At Air Systems, we respect your privacy and protect your personal information. The data you provide during the application process will be used solely for recruitment purposes and kept confidential. We do not share your information with third parties, except as required by law or with your consent. ## At a glance - Posted by the employer: Jun 9, 2026 - First seen by OpenNash: Jul 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 131 days - Location: San Jose, CA, US - Employment type: Full-time - Pay: $30 - $90 per hour[Apply on EMCOR Group’s careers site →](https://careers-emcorgroup.icims.com/jobs/50393/hvac-controls-technician-%28union%29/job?in_iframe=1) ## More jobs at EMCOR Group ### [BAS Account Executive](https://jobs.opennash.com/companies/emcor-group/jobs/354c1f0d192556749d64/) San Jose, CA, US ### [BAS Field Engineer](https://jobs.opennash.com/companies/emcor-group/jobs/a9c036b6976031993f74/) San Jose, CA, US ### [BAS Project Manager](https://jobs.opennash.com/companies/emcor-group/jobs/c6a0f731972d7dc114a6/) San Jose, CA, US ### [Construction Project Coordinator/Project Engineer](https://jobs.opennash.com/companies/emcor-group/jobs/f04e086fa0d6baa2b779/) San Jose, CA, US ### [Construction Project Executive](https://jobs.opennash.com/companies/emcor-group/jobs/505b7fe90eae8057b64e/) San Jose, CA, US ## Similar jobs at other companies ### [HVAC Union Technician](https://jobs.opennash.com/companies/trane-technologies/jobs/0e987cea533bb3f3b6fe/) Trane Technologies · West Palm Beach, Florida, United States of America ### [HVAC Controls Technician](https://jobs.opennash.com/companies/comfort-systems-usa/jobs/5a6d63a06129d68e91b7/) Comfort Systems USA · Winchester, VA ### [HVAC Controls Technician](https://jobs.opennash.com/companies/comfort-systems-usa/jobs/c5751f6a894b89746774/) Comfort Systems USA · Mt. 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