National Home Inspector Exam Prep Podcast

05 - Related Air Conditioning System Components

Charles Bellefontaine Season 2 Episode 5

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Explore condensate disposal systems, refrigerant line sets, thermostats, zoning controls, and proper installation requirements.

Show Notes:

Episode Overview:
Covers condensate disposal (primary and auxiliary systems), typical piping and installation considerations, blockage risks, refrigerant line set basics (insulation, support, length/height limits), thermostats and zoning controls (thermostat-controlled dampers, jumper ducts, barometric dampers), thermostat types and placement, and testing recommendations for zoning systems.

What You'll Learn: • Condensate disposal: primary drain, auxiliary drain, overflow pans • Proper condensate piping: slope, traps, termination locations • Refrigerant line set: insulation requirements, support, length/height limits • Thermostat types (mechanical, digital, programmable, smart) and proper placement • Zoning controls: dampers, jumper ducts, barometric dampers • When zoning components cannot be tested and how to report

Key Takeaways: ✓ Inspect condensate systems for proper installation and function ✓ Verify refrigerant line set insulation and support ✓ Check thermostat placement and operation

IRC Code References: IRC 2018 M1411 (Condensate Disposal); M1401-M1403 (Duct Systems)

Study Tips: Follow condensate drain lines from air handler to termination. Inspect line set insulation for damage or missing sections.

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