Summary
An HVAC technician installs, maintains and repairs heating, cooling and ventilation systems in homes and businesses. The job includes seasonal tune-ups, repairs and installations.
Say whether you hire for service, installation or both, and whether the work is residential or commercial. Candidates use that to decide if the job fits.
Duties and responsibilities
- Diagnose heating and cooling problems with testing tools and explain the repair options.
- Install, repair and maintain furnaces, air conditioners, heat pumps and related equipment.
- Perform seasonal tune-ups and record readings and findings.
- Handle refrigerants and other materials safely and as the rules require.
- Follow electrical, gas and rooftop safety steps on every job.
- Keep the truck stocked, and record the work done and parts used.
- Leave each site clean and walk the customer through what was done.
Skills and qualities
- Good mechanical and electrical troubleshooting.
- Comfortable on roofs, in attics and in crawl spaces.
- Clear, friendly explanations for customers.
- Organized paperwork and service records.
- Willingness to keep learning as equipment changes.
- Dependable in busy heating and cooling seasons.
Typical requirements
- The refrigerant handling certification that federal rules require for the work, plus any state or local license.
- A valid driver’s license if the job uses a company vehicle.
- Ability to lift the weight you name, climb ladders and work in heat, cold and tight spaces.
- Experience that matches the work you offer, or willingness to train as a helper.
Requirements differ by state, city and employer. Check the licensing, age, safety and pay rules that apply to your business before you post. This page is a starting point, not legal advice.
Schedule and conditions
HVAC work is seasonal, with the busiest weeks in the hottest and coldest months. Say how overtime and on-call work are handled in those weeks.
State the usual start time, the service area and whether the day starts at the shop.
Nice to have
- Experience with the equipment brands you service.
- Experience in residential or commercial systems, matched to your jobs.
- Training in newer systems such as heat pumps or smart thermostats.
- Sales or customer service experience.
Tips for posting this job
- Name the work: service, installation, residential or commercial.
- Say which certifications you require and which you will help a new hire earn.
- Explain how busy seasons, overtime and on-call work are handled.
- Say what the company provides: truck, tools, uniform, training.
- Give the service area.
Put your real pay, schedule and location in the posting. Candidates skip posts that leave them out.
Sample job post
Copy this, then change the words in brackets to match your business.
HVAC Service Technician: [residential / commercial] in [city or service area]
[Company name] is hiring an HVAC service technician to [repair, maintain and install / service] heating, cooling and ventilation systems for [homes / businesses] in [service area]. You will work from a stocked company truck with support from our dispatch team.
Pay: [pay rate or range]. Schedule: [days and hours], with [how overtime and on-call work are handled in busy seasons]. Start: [start date].
- Diagnose heating and cooling problems with testing tools, and explain the repair options in plain words.
- Repair and maintain furnaces, air conditioners, heat pumps and related equipment.
- Perform seasonal tune-ups and record readings and findings.
- Handle refrigerants safely and as the rules require.
- Keep the truck stocked, record parts and time, and leave each site clean.
- Requirements: [EPA refrigerant certification type, or willing to earn it], [any state or local license], a valid driver’s license, and the ability to lift [weight] and work on roofs and in attics.
- We provide: [truck, tools, uniform, training, certification help, other benefits].
Interview questions for a hvac technician
- Walk me through how you diagnose an air conditioner that runs but does not cool.
- Tell me about a heating call that was hard to figure out. What did you check, and in what order?
- Which refrigerant certification do you hold, and what work does it cover?
- How do you explain a repair versus a replacement to a customer without pushing them?
- What do you record on a seasonal tune-up?
- Which equipment brands and system types have you worked on most?
- How do you handle long days and on-call work in the busiest weeks of summer and winter?
Ask every candidate the same questions so you can compare answers fairly. HRGP keeps your questions, notes and scores with each applicant.
Questions and answers
What is an HVAC technician?
An HVAC technician installs, maintains and repairs heating, ventilation and air conditioning systems in homes and businesses. HVAC stands for heating, ventilation and air conditioning. Some technicians focus on service and repair calls, others on new installations, and many do both.
What certification does an HVAC technician need?
In the United States, anyone who handles refrigerants on this equipment needs EPA Section 608 certification, which comes in different types for different equipment. Some states and cities also license HVAC work. Rules differ by place, so check locally, and say in your posting what you require and what you will help a new hire earn.
What are an HVAC service technician’s duties and responsibilities?
An HVAC service technician goes to customer sites to find and fix heating and cooling problems. Duties include testing and diagnosing systems, replacing parts, doing seasonal tune-ups, handling refrigerants safely, recording the work and explaining options to customers. You can use this page as an HVAC job description template and change it to fit your company.
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