Hard Duct
Hard duct refers to rigid metal ductwork used in heating and cooling systems for buildings. Unlike flexible ducts, these are solid pipes usually made from sheet metal that carry air throughout a building. They're considered the traditional and most durable option for air distribution systems. HVAC professionals often prefer hard ducts because they last longer, are easier to clean, and provide better airflow compared to flexible alternatives. When someone mentions "sheet metal duct" or "rigid ductwork" in their experience, they're typically referring to hard ducts.
Examples in Resumes
Installed Hard Duct systems in commercial buildings serving over 100,000 square feet
Supervised Hard Duct and Sheet Metal Duct installation teams for major office complexes
Performed maintenance and repairs on Rigid Ductwork systems in industrial facilities
Typical job title: "HVAC Technicians"
Also try searching for:
Where to Find HVAC Technicians
Professional Organizations
Job Boards
Online Communities
Example Interview Questions
Senior Level Questions
Q: What factors do you consider when designing a hard duct system for a large commercial building?
Expected Answer: A senior technician should discuss building size, airflow requirements, energy efficiency, noise control, and building codes. They should mention the importance of proper sizing, zoning, and system balance.
Q: How do you handle quality control in hard duct installation projects?
Expected Answer: They should explain inspection processes, leak testing, proper sealing methods, and ensuring compliance with local codes and standards. Should mention team supervision and training aspects.
Mid Level Questions
Q: What are the main differences between hard ducts and flexible ducts, and when would you use each?
Expected Answer: Should explain that hard ducts are more durable and provide better airflow but are harder to install, while flexible ducts are easier to install but have more airflow resistance and shorter lifespan.
Q: How do you properly seal and insulate hard duct systems?
Expected Answer: Should describe proper sealing methods, types of sealants used, insulation requirements, and why proper sealing is important for system efficiency.
Junior Level Questions
Q: What basic tools are needed for hard duct installation?
Expected Answer: Should list common tools like tin snips, measuring tools, drills, and safety equipment, showing familiarity with basic installation procedures.
Q: What are the basic safety precautions when working with hard ducts?
Expected Answer: Should mention proper protective equipment, safe handling of sharp metal edges, proper lifting techniques, and ladder safety.
Experience Level Indicators
Junior (0-2 years)
- Basic duct installation
- Tool operation and safety
- Reading basic blueprints
- Assist in measurements and cutting
Mid (2-5 years)
- Independent installation work
- System testing and troubleshooting
- Duct sealing and insulation
- Basic system design assistance
Senior (5+ years)
- Project management
- System design and planning
- Team supervision
- Quality control implementation
Red Flags to Watch For
- No knowledge of basic safety procedures
- Unfamiliarity with common installation tools
- Lack of experience reading blueprints
- No understanding of building codes and regulations
Related Terms
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