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InspectAPedia ® Home WATER HEATERS AGE of WATER HEATERS AIRBOUND HEAT SYSTEM REPAIRS ALTERNATIVE HOT WATER SOURCES ANODES & DIP TUBES on WATER HEATERS ANTIFREEZE for BOILERS ANTI SCALD VALVES APPLIANCE EFFICIENCY RATINGS AQUASTAT CONTROL Functions BACKDRAFTING HEATING EQUIPMENT BACKFLOW PREVENTER VALVE, HEATING SYS BACKFLOW PREVENTER, HEATER WATER FEEDER BACKUP HEAT for HEAT PUMPS BLEVE EXPLOSIONS BOILERS, HEATING CARBON MONOXIDE - CO CHECK VALVES, WATER SUPPLY CHEMICAL CONTAMINANTS in WATER CHIMNEY INSPECTION DIAGNOSIS REPAIR CLOGGED DRAIN DIAGNOSIS & REPAIR CLOGGED SUPPLY PIPING CROSS CONNECTIONS, PLUMBING DEBRIS in WATER SUPPLY, Water Heater DRAIN a WATER HEATER TANK ELECTRIC WATER HEATERS FLOODED HEATING EQUIPMENT REPAIR FLOODED WATER HEATER REPAIR FREEZE-PROOF A BUILDING FROST HEAVES, FOUNDATION, SLAB GALVANIC SCALE & METAL CORROSION GAS BURNER Flame & Noise Defects GAS FIRED WATER HEATERS GAS PIPING, VALVES, CONTROLS HEAT TAPES, Heat, Insulation prevent Freeze-Up HEATING COST FUEL & BTU Cost Table HEATING COST SAVINGS METHODS HEATING SYSTEMS HOT WATER SUPPLY HOT WATER IMPROVEMENTS HOT WATER DELIVERY SPEED UP HOT WATER EFFICIENCY IMPROVEMENT HOT WATER PRESSURE EXPANSION RATE HOT WATER PRESSURE LOSS HOT WATER PROBLEM DIAGNOSIS HOT WATER QUANTITY IMPROVEMENT HYDROGEN SULFIDE GAS INDIRECT FIRED WATER HEATERS MANUALS & PARTS GUIDES - HVAC MIXING / ANTI-SCALD VALVES NO HEAT - NO HOT WATER: HEATER DIAGNOSIS NOISE / SOUND DIAGNOSIS & CURE NOISE CONTROL for HEATING SYSTEMS NOISE, PLUMBING CHECKLIST NOISE, WATER HEATER ODORS GASES SMELLS, DIAGNOSIS & CURE ODORS IN WATER PIPING IN buildings, Clogs Leaks Types PLASTIC HEATER VENT PLUMBING FIXTURES, KITCHEN, BATH PLUMBING VENT DEFECTS & NOISES PUMPS, CIRCULATOR PUMPS, HEAT PUMPS PUMPS, OIL BURNER PUMPS, PONY PUMPS PUMPS, SEPTIC PUMPS PUMPS, SEWAGE EJECTOR / GRINDER PUMPS PUMPS, SUMP PUMPS PUMPS, WATER PUMPS PUMPS, WATER REPAIR RANGE BOILERS RELIEF VALVE LEAKS RELIEF VALVES - TP Valves on Boilers RELIEF VALVES - STEAM TP VALVES RELIEF VALVES - Water Heaters RELIEF VALVES - Water Tanks SAFETY, HEATING INSPECTION SCALE REMOVAL, WATER HEATERS SEWER GAS ODORS SOLAR HOT WATER HEATERS SOOT on OIL FIRED HEATING EQUIPMENT SPILL SWITCHES - Flue Gas Detection TANKLESS COILS TANKLESS WATER HEATERS THERMOSTATS, HEATING / COOLING THERMOSTATS, WATER HEATER TIMERS for ELECTRIC WATER HEATERS VALVES, PLUMBING WATER CONTAMINANT LEVELS WATER HAMMER NOISE DIAGNOSE & CURE WATER HEATERS WATER HEATER ALTERNATIVES WATER HEATER ANODES, DIP TUBES WATER HEATER AIR INLET WATER HEATER DEBRIS FLUSH WATER HEATER EFFICIENCY WATER HEATER FLUSH PROCEDURE WATER HEATER NOISES WATER HEATER PROBLEM DIAGNOSIS WATER HEATER PROPERTIES WATER HEATER SCALE - De-Liming Procedure WATER HEATER SCALE PREVENTION WATER HEATER SAFETY WATER HEATERS for HOME HEATING USE? WATER ODORS, CAUSE CURE WATER PIPES, Clogs Leaks Types WATER PRESSURE & FLOW MEASUREMENT WATER PRESSURE GAUGE ACCURACY WATER PRESSURE LOSS DIAGNOSIS & REPAIR WATER PRESSURE REDUCER / REGULATOR WATER PRESSURE PUMP REPAIR GUIDE WATER PUMPS, TANKS, TESTS, WELLS, REPAIRS WATER PUMP REPAIR GUIDE WATER PURIFIERS WATER QUALITY TESTS, CONTAMINANTS, TREATMENT WATER QUANTITY IMPROVEMENT WATER SOFTENERS & CONDITIONERS WINTERIZE A BUILDING More Information |
This article discusses high efficiency gas-fired hot water heaters, characteristics, selection, installation, economy. Thanks to Carson Dunlop, a Toronto Home Inspection Firm and Home Inspection Educator, for permission to use sketches shown in this article. Green links show where you are. © Copyright 2013 InspectAPedia.com, All Rights Reserved. Author Daniel Friedman. This article describes various ways to improve hot water quantity, pressure, and flow are discussed beginning at HOT WATER IMPROVEMENTS and continuing at HOT WATER QUANTITY IMPROVEMENT. At ALTERNATIVE HOT WATER SOURCES we describe various water heating methods. The detailed characteristics of various water heaters themselves, such as life expectancy, cost, safety, and capacity are discussed at ALTERNATIVE WATER HEATER PROPERTIES Install a New High Efficiency Type of Water Heater to Save Hot Water Cost
Below we discuss other steps that can be taken to improve hot water quantity. And having a greater quantity of hot water also opens the way to taking steps to improve hot water pressure. (If we increase hot water pressure but lack adequate hot water quantity the result is we run out of hot water faster than ever.) Installing a high efficiency home hot water heaterThe water heater shown at page top was installed in our forensic laboratory. Using a power burner this water heater manages to extract a high enough percentage of the heat from its natural gas burner that the water heater exhaust can be vented directly to outdoors by means of a plastic pipe. This particular water heater was manufactured by A.O. Smith but other companies also produce high-efficiency water heaters. At above left you can see a schematic of a high-efficiency gas-fired water heater in this sketch provided courtesy of Carson Dunlop, and you'll see a photo of a modern high-efficiency natural-gas fired water heater above.. Take a look at the Energy Guide sticker data, which measures anticipated energy cost in "Therms per year" (to avoid being confused by changing fuel prices among fuel types) to compare the relative operating costs of these appliances. The water heater shown at left anticipates an average annual energy cost of about $146. U.S. Energy guides, therms, and water heater efficiency are discussed further at Water Heater Operating Cost Comparisons The characteristics of various water heaters such as life expectancy, cost, safety, and capacity are discussed at ALTERNATIVE WATER HEATER PROPERTIES Ways to improve hot water quantity, pressure, and flow are discussed beginning at HOT WATER IMPROVEMENTS and continuing at HOT WATER QUANTITY IMPROVEMENT. Frequently Asked Questions (FAQs)... Ask a Question or Search InspectApediaQuestions & answers or comments about high efficiency gas-fired water heaters. Ask a Question or Enter Search Terms in the InspectApedia search box just below. Technical Reviewers & ReferencesRelated Topics, found near the top of this page suggest articles closely related to this one.
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