HVAC Technician I

City of Dayton; Dayton (OH); On-site; USD 50,000 - 66,000; Full time

Job summary

The City of Dayton is seeking an HVAC Technician I to maintain and repair heating, ventilation and air conditioning systems across city buildings. You will perform semi-skilled trades under supervision, focusing on boilers, chillers, pumps, and basic electrical/plumbing tasks.

Responsibilities include preventive maintenance, operating and repairing equipment, coordinating with supervisors and vendors, and supporting project plans and construction reviews.

Qualifications

• High school diploma or GED with HVAC apprenticeship or trade certification.
• At least 3 years of experience in commercial/industrial HVAC repair and maintenance.
• EPA CFC Universal Certification required at appointment.

Responsibilities

• Operate, maintain, install and repair a wide range of HVAC equipment in city buildings.
• Repair boilers, chillers, pumps; perform basic electrical and plumbing tasks.
• Perform preventative maintenance and energy management documentation.
• Coordinate with vendors/contractors and assist in project plans and construction reviews.

Skills

HVAC trade skills

Mechanical aptitude

Electrical basics

Plumbing basics

Education

High school diploma or GED

HVAC apprenticeship or trade certification

Tools

Building automation software

Job description

• Certified candidates will be sent an email containing specific exam details at a later date.

Examination Date

Week of November 16, 2026

Civil Service Board Office

371 West Second Street, Lower Level
Dayton, Ohio 45402

Certified candidates will be sent an email containing specific exam details at a later date.

Responsibilities

The HVAC Technician I responsibilities involves semi-skilled maintenance and repair work for the City of Dayton buildings, focusing on HVAC, electrical, and plumbing systems. Duties include repairing and servicing commercial and industrial heating and cooling systems, handling electrical tasks below the journey-worker level, and assisting electricians and HVAC Technician II as needed. The position requires performing various trade skills, mostly at the journey-worker level, under the general supervision of the Facility Maintenance Supervisor.

Incumbent will operate, maintain, install, and repair a wide range of HVAC equipment and related systems. Key duties include servicing boilers, chillers, cooling towers, and pumps; cleaning and replacing filters, coils, and valves; testing and adjusting mechanical components; and working with modern HVAC systems like heat pumps and geothermal units. The role also requires performing plumbing and electrical repairs related to HVAC systems, including soldering, brazing, and troubleshooting circuits.

Additional responsibilities include using building automation control software for diagnostics and energy management, performing preventative maintenance, maintaining records and inventories, coordinating with vendors and contractors, and assisting in reviewing project plans and construction work.

Minimum Qualifications

Graduation from high school (or G.E.D.), HVAC apprenticeship and trade certification or equivalent AND 3 years of experience in commercial/industrial HVAC repair, operations, installation and maintenance.

Certifications

Must have an EPA CFC Universal Certificate at time of appointment.

License Requirements

Must possess a valid driver’s license at time of appointment and maintain thereafter as a term and condition of continued employment.

Promotional Qualifications

Must be a full-time permanent or part-time permanent employee in pay grade 120 (Wage) or below, pay grade 29 (Clerical) or below, or equivalent and been employed for 6 consecutive months by the City of Dayton in a classified Civil Service position. Identical scores will be broken by (1) seniority and (2) random selection method.

Open Competitive Applicants

Final appointment is contingent upon the applicant passing a job-related medical examination and providing documentary evidence of Employment Authorization and Identity. Identical scores will be broken by a random selection method.

Notes

Examination dates and times are subject to change. Calculators will be provided for the Civil Service examination. Applicants appearing on the Promotional eligible list shall be considered for appointment prior to those on the Open Competitive list. Applicants are responsible for providing all necessary employment dates, experience, training, or any other requirements as stated in the Exam Announcement, in order for their application to be considered for certification and admittance to the examination process.

Background Check

A background investigation is required prior to employment. All candidates must pass any level of background investigation applicable to the position, including current city employees seeking transfer, promotion, demotion, etc. into a classified position.

Drug and Nicotine Testing

Final appointment is contingent upon the applicant passing a drug screen. Applicants offered employment with the City will be required to pass a nicotine screening. Newly hired employees must remain tobacco and nicotine free as a condition of continued employment. The Tobacco and Nicotine Free Hiring Policy does not apply to current City employees.