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
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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.
Home Inspection Education Curriculum - Heating, Electric
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
Aluminum wires used without compatible connectors
Fuses or breakers too big
Fuses or breakers bypassed
Fuses or breakers loose
Fuses or breakers missing
Multi-wire circuits on the same bus
No links for 240 volt circuits
No grease on stranded aluminum wires
Wire not well secured
Wire running through steel studs without protection
Wires too close to ducts, pipes or chimneys
Wires exposed on walls or ceilings
Wires exposed in attics
Wires under carpet
Wires too small
Wires too close to edge of studs or joists
Wrong breaker for panel
SPACE HEATERS Defects List
120 volt heaters installed on 240 volt circuits or vice versa
Damaged or rusted heaters
Dirty or bent fins on heaters
Electrical receptacles above heaters
Fans – noisy, inoperative, loose or dirty
Loose or missing covers
Missing or too few heaters
ELECTRIC FURNACES Defects List
GENERAL DEFECT LIST
Excess temperature rise
Individual elements, sequencers or relays inoperative
Individual elements, sequencers or relays inoperative
TP Valves - Temperature and/or Pressure Relief Valves - Safety Valves Defects List
No piped extension
No piped extension
Pipe too small
Pipe threaded, capped or corroded at bottom
Pipe dripping or leaking
Wrong size / capacity mismatched to heater BTUs
Electric Heating Boiler Enclosure or Cabinet Defects List
Not well secured
Obstructed air intake
AIR VENT DEFECT LIST
HIGH TEMPERATURE LIMIT SWITCHE DEFECT LIST
Defective or not wired correctly
Set too high
LOW WATER CUT-OUT DEFECT LIST
Not flushed / serviced regularly
PUMP CONTROL DEFECT LIST
BACKFLOW PREVENTER DEFECT LIST
PRESSURE REDUCING VALVE DEFECT LIST
Set too low
ZONE CONTROL DEFECT LIST
FLOW CONTROL VALVE DEFECT LIST
CIRCULATOR PUMP DEFECT LIST
ISOLATING VALVE DEFECT LIST
PIPING DEFECT LIST
THERMOSTAT DEFECT LIST
Poor adjustment or calibration
RADIATORS, CONVECTORS AND BASEBOARD DEFECT LIST
Cold when heat is on
Balancing valve problems
Bleed valve problems
Damaged baseboard fins
Won’t warm up
EXPANSION TANK DEFECT LIST
Also see HOME & BUILDING INSPECTORS & INSPECTION METHODS. Use the Search Box at the top or bottom of these pages to find in-depth information about building, energy savings, and indoor environment inspection, diagnosis and repair at this website. Watch out: these inspection lists do not list all possible defects for the systems discussed, and not all home or building inspectors will examine all of the items listed here.
CONTACT us to suggest corrections or additions to articles at this website.
These curriculae and building defect lists are based on smilar curriculum documents first prepared by Joe Scaduto, an ASHI member who prepared course material for Northeastern University's Building Inspection Certificate program in 1988, subsequently by DF, InspectApedia's editor, for New York University ca 1988 and later, with others, recommended to ASHI, the American Society of Home Inspectors.
ASHI did not adopt this material though currently that association as well as others offer extensive HOME INSPECTOR EDUCATION material. The curriculum and lists of defects are informed by additional analysis of the process of home inspection that was developed beginning Calgary, AB for Canadian and U.S. home inspector education and certification examinations in 1997. Other early contributors to home inspection education in the U.S. and Canada include Dr. Jess Aronstein, Alan Carson, Mike Casey, Mark Cramer, John Cox, Dwight Barnett, Douglas Hansen, Rick Heyl, Larry Hoytt, Bill Merrill, Kevin O'Malley, Dennis Robitalille, Keith Peddie, Pat Porzio, Roger Robinson.
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John Cranor is an ASHI member and a home inspector (The House Whisperer) is located in Glen Allen, VA 23060. He is also a contributor to InspectApedia.com in several technical areas such as plumbing and appliances (dryer vents). Contact Mr. Cranor at 804-747-7747 or by Email: firstname.lastname@example.org
Roger Hankey is principal of Hankey and Brown home inspectors, Eden Prairie, MN. Mr. Hankey is a past chairman of the ASHI Standards Committee. Mr. Hankey has served in other ASHI professional and leadership roles. Contact Roger Hankey at: 952 829-0044 - email@example.com. Mr. Hankey is a frequent contributor to InspectAPedia.com.
Arlene Puentes, an ASHI member and a licensed home inspector in Kingston, NY, and has served on ASHI national committees as well as HVASHI Chapter President. Ms. Puentes can be contacted at firstname.lastname@example.org
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Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair
Carson, Dunlop & Associates Ltd., 120 Carlton Street Suite 407, Toronto ON M5A 4K2. Tel: (416) 964-9415 1-800-268-7070 Email: email@example.com. The firm provides professional home inspection services & home inspection education & publications. Alan Carson is a past president of ASHI, the American Society of Home Inspectors. Thanks to Alan Carson and Bob Dunlop, for permission for InspectAPedia to use text excerpts from The Home Reference Book & illustrations from The Illustrated Home. Carson Dunlop Associates' provides extensive home inspection education and report writing material.
The Illustrated Home illustrates construction details and building components, a reference for owners & inspectors. Special Offer: For a 5% discount on any number of copies of the Illustrated Home purchased as a single order Enter INSPECTAILL in the order payment page "Promo/Redemption" space.
TECHNICAL REFERENCE GUIDE to manufacturer's model and serial number information for heating and cooling equipment, useful for determining the age of heating boilers, furnaces, water heaters is provided by Carson Dunlop, Associates, Toronto - Carson Dunlop Weldon & Associates Special Offer: Carson Dunlop Associates offers InspectAPedia readers in the U.S.A. a 5% discount on any number of copies of the Technical Reference Guide purchased as a single order. Just enter INSPECTATRG in the order payment page "Promo/Redemption" space.
The Home Reference Book - the Encyclopedia of Homes, Carson Dunlop & Associates, Toronto, Ontario, 25th Ed., 2012, is a bound volume of more than 450 illustrated pages that assist home inspectors and home owners in the inspection and detection of problems on buildings. The text is intended as a reference guide to help building owners operate and maintain their home effectively. Field inspection worksheets are included at the back of the volume.
Special Offer: For a 10% discount on any number of copies of the Home Reference Book purchased as a single order. Enter INSPECTAHRB in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.
Special Offer: Carson Dunlop Associates offers InspectAPedia readers in the U.S.A. a 5% discount on these courses: Enter INSPECTAHITP in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.
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