Furnace
A furnace is a key heating system found in homes and businesses that provides warmth during cold weather. When this term appears in resumes, it typically refers to experience with installing, maintaining, repairing, or replacing these heating units. HVAC technicians work with different types of furnaces, including gas, electric, and oil-based systems. This is one of the most common heating solutions in North America, and expertise with furnaces is a fundamental skill for HVAC professionals.
Examples in Resumes
Performed over 200 Furnace installations and replacements for residential customers
Conducted preventive maintenance on Furnaces and Heating Systems in commercial buildings
Diagnosed and repaired Furnace issues for both residential and commercial clients
Typical job title: "HVAC Technicians"
Also try searching for:
Where to Find HVAC Technicians
Professional Organizations
Online Communities
Job Resources
Example Interview Questions
Senior Level Questions
Q: How would you handle a complex commercial furnace installation project?
Expected Answer: A senior technician should discuss project planning, team coordination, safety procedures, building codes, and system integration, along with explaining how they would manage timelines and client communication.
Q: What's your approach to diagnosing an intermittent furnace problem?
Expected Answer: They should explain systematic troubleshooting methods, use of diagnostic tools, and how they document and track intermittent issues to find root causes. Should mention importance of checking safety systems.
Mid Level Questions
Q: What are the main safety checks you perform when servicing a gas furnace?
Expected Answer: Should mention checking for gas leaks, proper ventilation, carbon monoxide testing, heat exchanger inspection, and verifying safety switch operation.
Q: How do you explain complex furnace issues to customers?
Expected Answer: Should demonstrate ability to translate technical problems into simple terms, explain repair options clearly, and provide maintenance recommendations to prevent future issues.
Junior Level Questions
Q: What are the basic components of a residential furnace?
Expected Answer: Should be able to identify and explain the function of basic parts like the thermostat, ignitor, heat exchanger, blower motor, and safety controls.
Q: What steps do you take during a basic furnace maintenance check?
Expected Answer: Should describe basic maintenance tasks like filter changes, cleaning components, checking connections, and testing basic operation.
Experience Level Indicators
Junior (0-2 years)
- Basic furnace maintenance and cleaning
- Simple part replacements
- Filter changes and basic troubleshooting
- Assisting with installations
Mid (2-5 years)
- Independent furnace installation
- Complex diagnostic and repair work
- Understanding of multiple furnace types
- Customer service and communication
Senior (5+ years)
- Commercial system installation and repair
- Team leadership and training
- Advanced troubleshooting
- Project management and estimation
Red Flags to Watch For
- No proper HVAC certification or licenses
- Lack of safety awareness or protocols
- No experience with different furnace types
- Poor documentation practices
- Limited diagnostic skills
