Air Conditioner / Heat Pump FAQs
- POST a QUESTION or COMMENT about how to diagnose and repair air conditioning and heat pump systems.
Questions & answers on how to buy, diagnose, repair air conditioners & heat pumps:
This air conditioner & heat pump inspection, installation, diagnosis & repair FAQ series lists questions & answers sorted by major air conditioning or heat pump topic.
Page top photo: a pair of start/run capacitors on the outdoor compressor/condenser unit of an air conditioning system.
This article series describes how to inspect and repair all types of residential air conditioning systems (A/C systems). Information for home buyers, owners, and home inspectors about A/C or heat pump system problems.
InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.
- Daniel Friedman, Publisher/Editor/Author - See WHO ARE WE?
Air Conditioning or Heat Pump System FAQs Master List
The questions and answers immediately below were posted originally
at AIR CONDITIONING & HEAT PUMP SYSTEMS - home. Be sure to see the recommended topics and articles given on that page.
Image: a Supco RLC051 "dry" trap for HVAC condensate lines can reduce clogging problems. We discuss this waterless trap as an alternative to P-traps in a reader Q&A below on this page.
Here we list all the HVAC A/C and heat pump FAQs ( often these pages also containing their own index to additional detail).
Article Contents
- A/C HEAT PUMP CONTROL / SWITCH FAQs
- A/C HEAT PUMP CONTROL / SWITCH FAQs-2
- A/C HEAT PUMP CONTROL / SWITCH FAQs-3
- A/C & HEAT PUMP OPERATING CONTROLS FAQS
- A/C SERVICE CALL CHARGES or ADVICE FAQs - do I really need a new A/C system?
- AIR CONDITIONER TEMPERATURE FAQs
- AIR CONDITIONER / HEAT PUMP BREAKER / FUSE FAQs
- AIR CONDITIONER / HEAT PUMP COMPONENT FAQs
- AIR CONDITIONER / HEAT PUMP ELECTRICAL PROBLEM FAQs
- AIR CONDITIONER / HEAT PUMP FAQs
- AIR CONDITIONER / HEAT PUMP FAQs-6
- AIR CONDITIONER / HEAT PUMP LOST COOLING DIAGNOSTIC FAQs - A/C or heat pump not working
- AIR CONDITIONER / HEAT PUMP LOST COOLING CAPACITY FAQs - second page of the topics just below
- A/C or HEAT PUMPS in MOBILE HOMES
- A/C TAKES TOO LONG TO COOL MY HOME
- BTU RATING Q&A
- COLD WEATHER CONTROLS
- DEHUMIDIFICATION / HUMIDITY PROBLEMS
- DUCTWORK ISSUES
- LOST COOLING CAPACITY FAQs - A/C blows warm air or doesn't cool enough or doesn't cool some areas
- REPAIR vs REPLACE AIR HANDLER BLOWER UNIT FAQs - replace the evaporator coil, replace the whole unit?
- REPAIR vs REPLACE COMPRESSOR / CONDENSER UNIT FAQs - repair vs replace?
- SWITCH BETWEEN COOL & HEAT MODE FAQs
- WEAK COOLING CAPACITY FAQs
- WON'T RUN or SHUTS DOWN FAQs
- AIR CONDITIONER / HEAT PUMP REPAIR FAQs - how do I fix my air conditioner or heat pump
- AIR CONDITIONER / HEAT PUMP REPAIR FAQs-2
- AIR CONDITIONER / HEAT PUMP REPAIR FAQs-3
- AIR CONDITIONER / HEAT PUMP REPAIR: LOST COOLING CAPACITY FAQs-3
- AIR CONDITIONER / HEAT PUMP SERVICE VALVE FAQs
- AIR CONDITIONER / HEAT PUMP STARTS AFTER TURNING OFF FAQs
- AIR CONDITIONER / HEAT PUMP TEMPERATURE FAQs - abnormal air conditioner or heat pump temperatures or temperature control
- REFRIGERANT LINE TEMPERATURE FAQs - which refrigerant piping lines are hot when
- TEMPERATURE READING, ABNORMAL FAQs
- TEMPERATURE READING, NORMAL FAQs
- TEMPERATURE READING FAQs, OTHER
- COMPRESSOR CONDENSER TEMPERATURE & PRESSURE FAQs
- CONDENSER TEMPERATURE FAQs
- EVAPORATOR COIL TEMPERATURE FAQs
- ROOM TEMPERATURE VARIATION FAQs - indoor air temperatures
- AIR CONDITIONER / HEAT PUMP WON'T START FAQs
- AIR CONDITIONER / HEAT PUMP STARTS AFTER TURNING OFF FAQs
- AIR CONDITIONER / HEAT PUMP NEW UNIT WON'T START FAQs
- AIR HANDLER / BLOWER UNIT WON'T START FAQs - or won't keep running
- COMPRESSOR/CONDENSER UNIT WON'T START FAQs - outdoor unit
- CONTACTOR RELAY WON'T START FAQs
- INTERMITTENT A/C HEAT PUMP WON'T START FAQs
- NEW A/C or HEAT PUMP WON'T START FAQs
- SWITCHES TURN OFF A/C or HEAT PUMP FAQs
- UNIT RUNS In EITHER COOL or HEAT but NOT BOTH FAQs
- AIR CONDITIONER / HEAT PUMP WON'T STOP FAQs
- AIR CONDITIONING HEAT PUMP REPAIR FAQs
- AIR FILTER FAQs
- AIR FILTER POSITION & AIRFLOW FAQs - which side faces the blower?
- AIR FILTER DAMAGED or DIRTY FAQs
- AIR FILTER LOCATION FAQs
- AIR FILTER SIZE FAQs
- DIRTY AIR FILTER PROBLEMS-FAQs
- OTHER AIR FILTER FAQs - electrostatic filter clicking
- AIR HANDLER / BLOWER UNIT FAQS
- AIR H ANDLER / BLOWER UNIT BLOWS FUSE or TRIPS BREAKER FAQs
- AIR HANDLER / BLOWER UNIT FAN REPAIR FAQs - Rodent damage, Blown Fuses, Door safety, switch voltage, Repair vs replace parts
- AIR HANDLER / BLOWER UNIT FAN RUNS BACKWARDS FAQs
- AIR HANDLER / BLOWER UNIT FAN WONT STOP FAQs
- AIR HANDLER / BLOWER UNIT SPEED FAQs
- AIR HANDLER / BLOWER UNIT NOISE FAQs
- AIR HANDLER / BLOWER UNIT RUNS for NO REASON FAQs
- AIR HANDLER / BLOWER UNIT WON'T START FAQs - or won't keep running
- AIR HANDLER STARTS AFTER TURNING OFF FAQs
- AIR HANDLER / BLOWER UNIT WON'T STOP FAQs
- BLOWER FAN ASSEMBLY CLEANING FAQs
- BLOWER FAN CONTINUOUS OPERATION FAQs
- BLOWER FAN CONTINUOUS OPERATION FAQs-2
- BLOWER FAN OPERATION & TESTING FAQs
- BLOWER FAN OPERATION & TESTING FAQs-2 - damaged fan blades, fan size, signs of electrical failures
- BLOWER FAN OPERATION & TESTING FAQs-3
- BLOWER LEAKS, RUST & MOLD FAQs - water leaking out of or mold growing in the air handler
- FROST BUILD-UP on AIR CONDITIONER COILS FAQs - at the indoor air handler
- REPAIR vs REPLACE AIR HANDLER BLOWER UNIT FAQs - replace the evaporator coil, replace the whole unit?
- SWITCHES TURN OFF A/C or HEAT PUMP FAQs
- UNIT RUNS but CAN'T COOL the BUILDING FAQs
- UNIT RUNS but CAN'T HEAT the BUILDING FAQs
- WEAK or WARM AIR from AIR CONDITIONER FAQs
- AIR FLOW MEASUREMENT FAQs
- AIR FLOW, NONE at SUPPLY REGISTERS FAQs
- AIR FLOW OBSTRUCTION IN TO AIR HANDLER FAQs
- AIR FLOW at RETURN AIR INLET REGISTERS FAQs
- AIR FLOW TOO WARM at SUPPLY REGISTERS FAQs - hot in house cool in attic or crawlspace?
- AIR FLOW TOO WEAK at SUPPLY REGISTERS FAQs
- AIR FLOW OBSTRUCTION IN TO AIR HANDLER FAQs
- CAPACITOR: CHOOSE a START or RUN CAPACITOR FAQs - also see HVAC CAPACITOR DIAGNOSTIC FAQs
- CAPILLARY TUBE FAQs
- CLEARANCE DISTANCE, HVAC FAQs
- COMPRESSOR / CONDENSER DIAGNOSTIC FAQs
- COMPRESSOR / CONDENSER UNIT BLOWS FUSE or TRIPS BREAKER
- COMPRESSOR / CONDENSER UNIT COOL with AIR or WATER? FAQs - spray or immerse in water as a diagnostic or to improve efficiency
- COMPRESSOR / CONDENSER DIAGNOSTIC FAQs - spray with water?, energy use monitors, phased zone heat pumps
- COMPRESSOR / CONDENSER SHORT CYCLING FAQs - shuts off, short cycles, hard start, won't start, won't run, won't stop running, oil problems
- COMPRESSOR / CONDENSER DIAGNOSTIC FAQs-3 - Service call charges vs work done, Electrical failures, Weak or warm air flow
- COMPRESSOR / CONDENSER UNIT FAN WON'T RUN or WON'T STOP FAQS - or runs backwards
- COMPRESSOR / CONDENSER UNIT FROST & ICE FAQs
- COMPRESSOR / CONDENSER UNIT ELECTRICAL FAILURE FAQs - other than blowing fuses
- COMPRESSOR / CONDENSER UNIT FROST or ICE FAQs - at the outdoor unit, defrost cycle, water
- COMPRESSOR / CONDENSER HARD START MOTOR FAQs
- BREAKER TRIPS or FUSE BLOWS FAQs - A/C unit trips breaker
- COMPRESSOR / CONDENSER UNIT HARD START FAQs
- FAN WON'T STOP at CONDENSER UNIT FAQs
- HARD STARTING COMPRESSOR MOTOR FAQs-2
- OVERHEATING COMPRESSOR/CONDENSER FAQs - won't run when hot
- SERVICE CALL PROBLEMS & SOLUTIONS FAQs
- SHORT CYCLING FAQs - compressor/condenser turns on and off too frequently
- START / RUN or HARD START CAPACITOR FAQs
- VOLTAGE PROBLEMS at A/C UNIT FAQs - trips breaker, sparks,
- WIRE BURNUPS, FAILURES, LENGTH, SIZE FAQs - for A/C or heat pumps
- WON'T KEEP RUNNING - COMPRESSOR/CONDENSER FAQs - turns off and won't re-start or won't start for hours
- WON'T START - COMPRESSOR / CONDENSER UNIT FAQs - hums but won't run
- WON'T STOP RUNNING - COMPRESSOR / CONDENSER / or FAN FAQs - runs too long or never stops - what's normal, what's too long?
- COMPRESSOR / CONDENSER UNIT SHUTS OFF or WON'T KEEP RUNNING FAQs - A/C or heat pump turns off unexpectedly
- COMPRESSOR / CONDENSER UNIT WON'T START or WON'T RUN FAQs
- COMPRESSOR / CONDENSER UNIT WON'T STOP RUNNING FAQs
- COMPRESSOR MOTOR REPLACEMENT FAQs
- INTERMITTENT A/C HEAT PUMP WON'T START FAQs
- PHASED ZONE HEAT PUMP EFFICIENCY FAQs
- SHORT CYCLING AC COMPRESSOR FAQs
- TIGHT or SEIZED AC COMPRESSORS-FAQs
- UNIT RUNS DURING DAY but NOT AT NIGHT FAQs
- UNIT RUNS In EITHER COOL or HEAT but NOT BOTH FAQs
- UNIT RUNS but AIR IS NOT COOL FAQs
- UNIT RUNS but CAN'T COOL the BUILDING FAQs
- UNIT RUNS but CAN'T HEAT the BUILDING FAQs
- WEAK COOLING CAPACITY FAQs
- WON'T RUN or SHUTS DOWN FAQs
- COMPRESSOR CONDENSER FAN REPAIR FAQs
- CONDENSER FAN DIAGNOSTIC FAQs
- CONDENSER FAN MOTOR / MOTOR CAPACITOR FAQs
- CONDENSER FAN NOISE FAQs
- CONDENSER FAN RUNS BACKWARDS FAQs
- CONDENSER FAN SPEED FAQs
- CONDENSER FAN WIRING FAQs
- CONDENSER FAN WON'T STOP RUNNING FAQs
- CONDENSER FAN WON'T START FAQs
- CONDENSER FAN WON'T KEEP RUNNING FAQs - turns off when it shouldn't
- FAN DIFFERENCE BETWEEN INSIDE AND OUTSIDE FAQs
- HIT the CONDENSER UNIT CONTROL BOARD, FAN, FAN MOTOR to MAKE IT RUN FAQs
- ADDITIONAL MISCELLANEOUS HVAC CONDENSER FAN FAQs
- COMPRESSOR / CONDENSER UNIT NOISE FAQs
- CHIRPING CRICKET NOISE at the COMPRESSOR/CONDENSER FAQs
- CLANGING RATTLING NOISE at the COMPRESSOR/CONDENSER FAN FAQs
- CHUGGING NOISE at the COMPRESSOR/CONDENSER FAQs
- EXPLOSION NOISE & LIGHTS DIM when A/C STARTS FAQs
- HELICOPTER NOISE at the COMPRESSOR/CONDENSER FAQs
- HISSING NOISES at the COMPRESSOR/CONDENSER FAQs
- RATTLING NOISES at the COMPRESSOR/CONDENSER FAQs
- SCREECHING SOUND at the COMPRESSOR/CONDENSER FAQs
- SHUDDERING VIBRATING at the COMPRESSOR/CONDENSER FAQs
- SQUEALING NOISES at the COMPRESSOR/CONDENSER FAQs
- WHOOSHING AIR NOISES at the COMPRESSOR/CONDENSER FAQs
- COMPRESSOR / CONDENSER REPAIR FAQs
- COMPRESSOR / CONDENSER UNIT REPAIR vs REPLACE FAQs - repair vs replace?
- COMPRESSOR / CONDENSER UNIT FROST & ICE FAQs
- COMPRESSOR CONDENSER MOTOR ROTATION ERROR CODE FAQs
- COMPRESSOR / CONDENSER UNIT NOISE FAQs
- COMPRESSOR / CONDENSER UNIT UNUSUAL FAQs
- CONDENSER UNIT FAN SPEED FAQs
- CONDENSER UNIT FAN FAQs
- SHORT CYCLING ON & OFF FAQs
- SHORT CYCLING AC COMPRESSOR FAQs
- CONDENSER UNIT WON'T START FAQs
- CONDENSER UNIT STARTS AFTER TURNING OFF FAQs
- CONDENSER UNIT FAN WON'T START FAQs
- CONDENSER UNIT WON'T STOP FAQs
- CONDENSER FAN WON'T STOP RUNNING FAQs
- CONDENSER UNIT WIRING FAQs
- MISCELLANEOUS FAQs - hiding the units, voltage levels
- REPAIR vs REPLACE COMPRESSOR / CONDENSER UNIT FAQs - repair vs replace?
- CONDENSATE DRAIN CLEAN & DE-CLOG FAQs
- CONDENSATE DRAIN CLEAN & DE-CLOG FAQs-2
- CONDENSATE DRAIN PROBLEM FAQs
- CONDENSATE DISPOSAL into APPLIANCE DRAIN PAN FAQs - into a water heater or washer leak catch-pan?
- CONDENSATE DISPOSAL INTO PLUMBING FIXTURE FAQs
- CONDENSATE DRAIN BLOCKED or CLOGGED FAQs
- CONDENSATE DRAIN INSULATION FAQs
- CONDENSATE DRAIN REPAIR FAQs - broken or missing, clogs, slope, traps
- CONDENSATE DRAIN SIZE FAQs
- CONDENSATE DRAIN TRAP FAQs
- CONDENSATE NOT DRIPPING INTO DRAIN PAN, FAQs
- DRIPPING NOISE FAQs
- OUTDOOR CONDENSATE DISPOSAL FAQs
- CONDENSATE HANDLING FAQs
- CONDENSATE BLOWS OFF EVAPORATOR COIL FAQs
- CONDENSATE DRAIN CLEANOUT or DE-CLOG FAQs
- CONDENSATE DRAIN FREEZE PROTECTION FAQs
- CONDENSATE DRAIN LEAK FAQs - water on the floor, condensate on the drain line
- CONDENSATE DRAIN PROBLEM FAQs
- CONDENSATE DRAINAGE VOLUME FAQs - too much or too little condensate
- CONDENSATE OVERFLOW PAN & PIPING FAQs - why two drain lines? overflow pan switch, size, routing, connections
- CONDENSATE PUMP FAQs
- CONDENSER FAN, COMPRESSOR / CONDENSER DIAGNOSTIC FAQs
- CONDENSER CONTROL BOARD HIT to MAKE FAN RUN FAQs
- CONDENSER FAN FAQs
- CONDENSER FAN SPEED FAQs
- CONDENSER FAN WIRING FAQs
- CONDENSER FAN WON'T STOP RUNNING FAQs
- CONDENSER FAN WON'T START FAQs
- CONDENSER FAN WON'T KEEP RUNNING FAQs - turns off when it shouldn't
- CONDENSER FAN DIAGNOSTIC FAQs
- CONDENSER FAN MOTOR / MOTOR CAPACITOR FAQs
- CONDENSER WIRING DAMAGE FAQs
- CONDENSING COIL REPAIR REPLACE FAQs
- CONTACTOR RELAY DIAGNOSIS & REPAIR FAQs
- COOLING COIL FAQs
- COOLING COIL / EVAPORATOR COIL REPAIR FAQs
- COOLING COIL / EVAPORATOR COIL FAQs #2
- DIRTY COOLING COIL / EVAPORATOR COIL FAQs
- FROST BUILD-UP on AIR CONDITIONER COILS FAQs
- DATA TAGS on AIR CONDITIONERS FAQs
- DEHUMIDIFICATION BASIC FAQ
- DUCTWORK FAQs
- ELECTRICAL PROBLEM at A/C or HEAT PUMP FAQs
- ENERGY USE MONITORS for HVAC SYSTEMS FAQs
- FURNACE or AC BLOWER FAN WONT STOP FAQs
- HEAT PUMP ELECTRICITY COST FAQs
- HEAT PUMP REPAIR FAQs
- HEAT PUMP OUTDOOR UNIT DEFROST CYCLE FAQs
- HVAC SYSTEM NOISE DIAGNOSIS FAQs - index to HVAC noise description & troubleshooting questions and answers
- BANGING NOISES at HVAC SYSTEMS, FAQs - reader descriptions, Q&A
- BUZZING NOISES at HVAC SYSTEMS, FAQs
- CLICK CLANK TAPPING NOISES at HVAC SYSTEMS, FAQs
- GRINDING NOISE at HVAC EQUIPMENT, FAQs
- HAMMERING, POPPING NOISES at HVAC EQUIPMENT, FAQs
- HUMMING NOISES at HVAC EQUIPMENT, FAQs - including vibration sounds
- KNOCKING SOUNDS at HVAC EQUIPMENT, FAQs
- RATTLING NOISES at HVAC EQUIPMENT, FAQs
- SCREAM, SCREECH, SHRIEKS, SQUEAL, WHISTLE, WHINE at HVAC EQUIPMENT, FAQs
- STRAINING NOISES at HVAC EQUIPMENT, FAQs
- THUMPING THUNDER NOISES at HVAC EQUIPMENT, FAQs
- VIBRATION NOISES at HVAC SYSTEMS, FAQs
- WATER SOUNDS, RUSHING WATER NOISES at HVAC SYSTEMS, FAQS
- WHISTLING NOISE at HVAC EQUIPMENT, FAQs
- WHOOSHING WIND NOISE at HVAC SYSTEMS, FAQs
- WOOD CHIPPER NOISE at AC SYSTEM, FAQs
- WOOING NOISES at HVAC EQUIPMENT, FAQs
- LOST COOLING CAPACITY FAQs - A/C blows warm air
- MULTI-AQUA CHILLED WATER SYSTEM PIPING FAQ
- ODORS in HVAC SYSTEMS, FAQs
- OPERATING DEFECTS, AIR CONDITIONING FAQs
- REFRIGERANT CHARGING PROCEDURE FAQs
- REFRIGERANT HIGH HEAD PRESSURE DIAGNOSTIC FAQs
- REFRIGERANT LEAK REPAIR FAQs
- REFRIGERANT LEAK CAUSE FAQs
- REFRIGERANT LEAK LOCATION & DIAGNOSIS FAQs
- REFRIGERANT LEAK REPAIR COST & SERVICE ISSUE FAQs - cost & success & multiple visits?
- REFRIGERANT LEAK REPAIR METHOD FAQs - solder, glue, or other ways to fix a leak
- REFRIGERANT LINE FROST FAQs
- REFRIGERANT OIL PROBLEM FAQs
- REFRIGERANT LINE SIZE or DIAMETER FAQs
- REFRIGERANT PIPING INSTALLATION FAQs - fittings, connectors, routing, distances, vertical rise, tubing types, re-use
- REFRIGERANT PIPING INSULATION FAQs
- REFRIGERANT PRESSURE READING & CHART FAQs
- REFRIGERANT TEST GAUGE FAQs
- REFRIGERANT TEST GAUGE FAQs-2
- REFRIGERANT UNDER CHARGE EFFECTS FAQs
- RELAY CONTACTOR DIAGNOSIS & REPAIR FAQS
- STAINS HVAC SOOT or DUST FAQs
- SUPERHEAT FAQs
- SWITCH BETWEEN COOL & HEAT MODE FAQs
- SWITCHES TURN OFF UNIT FAQs
- TEMPERATURE & PRESSURE FAQs
- THERMOSTAT CALIBRATION FAQs - thermostat accuracy, temperature control
- THERMOSTATS, DIAGNOSTIC FAQs - repair or replace
- THERMOSTATS, DIAGNOSTIC FAQs-2
- THERMOSTATS, DIAGNOSTIC FAQs-3
- THERMOSTATS, DIAGNOSTIC FAQs-4
- THERMOSTAT SWITCH FAQs
- FAN SWITCH SETTING FAQs - at the thermostat, fan won't run, fan won't stop
- HEAT WON'T TURN ON FAQs
- HEAT WON'T TURN OFF FAQs
- MISCELLANEOUS THERMOSTAT SETTING FAQs
- THERMOSTAT WIRE CONNECTION FAQs
- THERMOSTATIC EXPANSION VALVE FAQs TXV TEV
- WEATHER IMPACT & STORM DAMAGE to A/C or HEAT PUMP FAQs
...
...
Continue reading at AIR CONDITIONING & HEAT PUMP SYSTEMS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX.
Or see these
Recommended Articles
- AIR CONDITIONER BLOWS WARM AIR
- AIR CONDITIONER WON'T START
- AIR CONDITIONING & HEAT PUMP SYSTEMS - home
- AIR CONDITIONER / HEAT PUMP OPERATION - how does an air conditioner or heat pump actually work?
- AIR CONDITIONER TEMPERATURE MEASUREMENT
- AIR HANDLER / BLOWER UNITS - home
- COMPRESSOR / CONDENSER REPAIR - home
- COMPRESSOR / CONDENSER DIAGNOSTICS
- CONTROLS & SWITCHES on A/C or HEAT PUMP - what and where are all of the controls?
- DIAGNOSTIC GUIDE A/C or HEAT PUMP - first steps to diagnose an air conditioner or heat pump
- DIAGNOSTIC DETAILS A/C or HEAT PUMP - detailed list of diagnostic procedures
- DUCT SYSTEM DESIGN SIZE & DEFECTS - home
- MANUALS & PARTS GUIDES - HVAC - home
- REFRIGERANT LEAK DETECTION
- SPLIT SYSTEM AC / HEAT PUMP REPAIRS
Suggested citation for this web page
AIR CONDITIONING & HEAT PUMP SYSTEM FAQs INDEX - HVAC inspection, installation, diagnosis & repair Q&A provided free at InspectApedia.com or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX.
INDEX to RELATED ARTICLES: ARTICLE INDEX to AIR CONDITIONING & HEAT PUMPS
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Citations & References
In addition to any citations in the article above, a full list is available on request.
- In addition to citations & references found in this article, see the research citations given at the end of the related articles found at our suggested
CONTINUE READING or RECOMMENDED ARTICLES.
- Carson, Dunlop & Associates Ltd., 120 Carlton Street Suite 407, Toronto ON M5A 4K2. Tel: (416) 964-9415 1-800-268-7070 Email: info@carsondunlop.com. 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 - the Encyclopedia of Homes and to use illustrations from The ILLUSTRATED HOME .
Carson Dunlop Associates provides extensive home inspection education and report writing material. In gratitude we provide links to tsome Carson Dunlop Associates products and services.
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