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Staged warm air furnace schematic (C) Carson Dunlop AssociatesElectric Heating System Defects List & Home Inspection Education

  • ELECTRIC HEAT DEFECTS LIST - CONTENTS: Defects and inspection points for electric heat
    • Electric boiler defects. Electric furnace defects. Electric space heater defects. Lists of important defects for residential buildings. What does a home inspector need to know? Home inspection training and education curriculum recommendations
  • POST a QUESTION or READ FAQs about home & building inspection courses, standards, & defect checklists for electric heat system inspections
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Electric heat inspection, troubleshooting, repair:

This article lists significant electric heat defects, definitions, and home inspection education topics.

The building defects and inspection points listed in these articles also guide homeowners and home buyers to building areas that merit careful attention and often point areas of safety concern or important maintenance and repair tasks.

Page top sketch of sequencers in an electric furnace courtesy Carson Dunlop Associates.



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Home Inspection Education Curriculum - Heating, Electric

Electric baseboard (C) Daniel Friedman

4.7   Electric Heating System Inspection Recommendations & Defects List

4.7.1 Knowledge Base for Electric Heater Inspections

1. Describe the function of electric heating systems.

2. Describe these types of electric heat: furnace, boilers, space heaters, radiant system.

3. Describe the advantages and disadvantages of electric heating systems compared to gas or oil heating systems.

4. Describe 120/240 volt single phase residential electric principles as they apply to heating,

5. Describe the features of  adequate installation and repair technique for each type of electric heating(space heaters, furnaces, boilers, radiant).

6. Define the following terms as they relate to electric heating systems: duct heating, plenum heating, watts, BTUs per hour, ohms, volts, amps, input capacity, output capacity, unitary heater, line voltage, thermostat, low voltage thermostat, staged electric furnace, sequencer, fan/limit switch (furnace), high temperature limit switch (boilers), fusible link (furnace elements), thermal cut- outs (furnace elements), sail switch, thermostat anticipator, relay, temperature rise, safe fill switch (boilers), radiant ceiling heating(four types).

7. Identify the codes or standards which apply to electric heating systems in your area.

4.7.2 Inspection Skills forf Inspecting Electric Heaters

1. Describe the inspection procedure for electric space heaters, furnaces and boilers, and radiant heat.

2. Identify the common defects listed on the next page.

3. Describe the implication of each defect.

4. Identify the safety issues for the inspector and occupant of the home(electric shock, fire, physical injury).

5. Communicate findings to client verbally and in writing, recommending corrective action where needed.

Electric Heat System Inspection Checklist

Electrical Wiring Defects for Electric Heater Systems

SPACE HEATERS Defects List

ELECTRIC FURNACES Defects List

GENERAL DEFECT LIST

MECHANICAL AIR FILTER DEFECT LIST

HVAC CABINET DEFECT LIST

ELECTRONIC AIR CLEANER DEFECT LIST

HUMIDIFIER DEFECT LIST

HVACV Thermostat Defects List

See THERMOSTATS, HEATING / COOLING - home

BLOWER DEFECT LIST

DUCTS, REGISTERS AND GRILLE DEFECT LIST

See DUCT SYSTEM & DUCT DEFECTS - home

FAN/LIMIT SWITCHES Defects List

See FAN LIMIT SWITCH - home

ELECTRIC BOILER Defects Checklists

General Defects - Electric Heating Boilers

TP Valves - Temperature and/or Pressure Relief Valves - Safety Valves Defects List

Electric Heating Boiler Enclosure or Cabinet Defects List

AIR VENT DEFECT LIST

HIGH TEMPERATURE LIMIT SWITCHE DEFECT LIST

LOW WATER CUT-OUT DEFECT LIST