Skilled trades

Gas and electric heat, furnace sequence of operation, safeties, and no-heat diagnostics.

Intermediate · 12 weeks · self-paced · The PATG Group

Twelve-week heating service course — furnace sequence of operation, safeties, electric heat, ignition, CO awareness, and no-heat diagnostics. Included with All Access.

12 weeks with autograded assessments. Included with All Access. Finish to lock completion and keep a printable certificate.

What you'll learn

• Trace a gas furnace sequence of operation
• Diagnose common no-heat and safety trips at intermediate depth
• Service electric heat kits and sequencers safely
• Use schematics and meter readings on heating equipment
• Document heating service findings clearly

Course content

12 sections

1. Week 1 Shop standards and tool readiness
2. Week 2 Schematics and multimeter diagnostics
3. Week 3 Gas furnace sequence of operation
4. Week 4 Flame sensing, safeties, and no-heat
5. Week 5 Electric heat service
6. Week 6 Gas heat controls and ignition systems
7. Week 7 Pilots, thermocouples, and hydronic awareness
8. Week 8 Midterm — heating systems
9. Week 9 Combustion, venting, and CO awareness
10. Week 10 Short-cycle, rollout, and limit faults
11. Week 11 Thermostats and heating calls
12. Week 12 Capstone service write-up and final