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AGE of AIR CONDITIONERS & HEAT PUMPS
AGE of HEATERS, BOILERS, FURNACES
AIR CONDITIONING & HEAT PUMP SYSTEMS
AIR FILTERS for HVAC SYSTEMS
AIR HANDLER / BLOWER UNITS
APPLIANCE EFFICIENCY RATINGS
BOOKSTORE - InspectAPedia
BTU USAGE MONITORS
BUILDING SAFETY HAZARDS GUIDE
CAPACITORS for HARD STARTING MOTORS
COOL OFF HEAT, Thermostat Switch
CONVECTOR HEATERS - HYDRONIC COILS
DEFINITION of HEATING & COOLING TERMS
DIAGNOSTIC GUIDES A/C / HEAT PUMP
DIAGNOSE & FIX HEATING PROBLEMS-BOILER
DIAGNOSE & FIX HEATING PROBLEMS-FURNACE
DUCT SYSTEM & DUCT DEFECTS
ELECTRIC HEAT, DIAGNOSIS, REPAIR
ELECTRIC MOTOR DIAGNOSTIC GUIDE
ELECTRIC MOTOR OVERLOAD RESET SWITCH
FAN CONVECTOR HEATERS - HYDRONIC COILS
FAN LIMIT SWITCH
FURNACE CONTROLS & SWITCHES
FURNACE EFFICIENCY, HIGH vs MID
FURNACE OPERATING TEMPERATURES
GALVANIC SCALE & METAL CORROSION
GEOTHERMAL HEATING SYSTEMS
HEAT LOSS INDICATORS
HEAT LOSS PREVENTION PRIORITIES
HEATING COST SAVINGS
HEATING LOSS DIAGNOSIS-BOILERS
HEATING LOSS DIAGNOSIS-FURNACES
HEATING SMALL LOADS
HEATING SYSTEM INSPECT DIAGNOSE REPAIR
HEATING SYSTEM NOISES
HEATING SYSTEM TYPES
HOT WATER HEATERS
INSULATION INSPECTION & IMPROVEMENT
LOW VOLTAGE BUILDING WIRING
LOW VOLTAGE TRANSFORMER TEST
MANUALS & PARTS GUIDES - HVAC
MOTOR OVERLOAD RESET SWITCH
NO HEAT - BOILER
NO HEAT - FURNACE
NOISE / SOUND DIAGNOSIS & CURE
NOISE AIR CONDITIONER / HEAT PUMP
NOISE, DUCT VIBRATION DAMPENERS
NOISE, HEATING SYSTEMS
RADIANT HEAT Floor Mistakes to Avoid
RADIANT HEAT TEMPERATURES
RADIANT SLAB FLOORING CHOICES
RADIANT SLAB TUBING & FLUID CHOICES
SAFETY, HEATING INSPECTION
SAFETY RECALLS CHIMNEYS VENTS HEATERS
THERMAL EXPANSION of MATERIALS
THERMAL IMAGING, THERMOGRAPHY
THERMAL MASS in BUILDINGS
THERMOSTATS, HEATING / COOLING
WINTERIZE A BUILDING
WOOD, COAL STOVES & FIREPLACES
WOOD STOVE SAFETY
Electric heat diagnosis & repair; here we explain how to diagnose & repair electric heat that has stopped working - testing the heating elements in an electric furnace or electric boiler. We describe how to troubleshoot electric furnaces, boilers, or electric backup heat staged furnaces. We define the operating sequence & test procedures for staged electric furnaces that use sequencers to turn on and off individual heating elements. We include simple inspection & test procedures for these & other electric heaters such as electric furnaces, boilers, electric baseboards & wall or floor mounted electric heaters. This article series answers most questions about all types of heating systems and gives important inspection, safety, and repair advice. Sketch at page top courtesy of Carson Dunlop Associates.
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Explanation of Staged Electric Furnaces Using Sequencers to Control Heat or backup heat for heat pump systems
If you don't know what kind of heat your building uses, we explain how to figure out the answer at HEATING SYSTEM TYPES.
What do we check if our electric heat is not working? There are a few basic things to check yourself. Other steps require an expert. Sketches courtesy of Carson Dunlop.
A simple test procedure if an electric floor or wall heater appears not to be working.
WARNING: shock and electrocution hazards are present. Do not attempt to work on live electrical equipment unless you are trained and qualified to do so.
Check the electrical connections for the electric heater first, visually looking for signs of overheating. Then with a VOM and power on (if you are qualified and thus won't get electrocuted)
See these electrical inspection and test articles:
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