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Software allows input of data from instrument readings and gives solution to the problem. Definition and help section provides additional information about concepts and functions. Demonstration version available.
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Diagnostics chart for troubleshooting. Tips on air filters, refrigerant charging, thermostats, and operation.
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Volunteer mechanics answer questions via e-mail. Volunteers can be evaluated based on credentials and user ratings.
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List of do's and don'ts for maintenance and repair.
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Estimate the heating needs of a room, combination of rooms, or an entire home.
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Tutorial illustrating step by step procedures for finding refrigerant leaks.
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Tutorial illustrating step by step procedures.
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Legal, environmental and technical information.
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Safe and unsafe practices, effects, detector placement, and discussion.
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EPA site provides advice on CO detectors, poisoning symptoms and prevention.
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Guidelines to determine whether potential exists for this deadly gas to enter a house.
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Short example on replacing bearings and fan belt.
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Consumer guide to the array of efficiency ratings, abbreviations and acronyms used to describe or explain the products.
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Information and support on heating, ventilation and air conditioning systems or controls for home owners and professionals. Knowledge base, recalls, forum, glossary, and events.
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Advice geared toward historic or older homes.
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Software bulletin board for HVAC contractors, home-owners, do-it-yourself enthusiasts to use for heating and air conditioning concerns.
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Everything from troubleshooting to maintenance and repair.
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Information on gas, wood, pellet, and coal appliances. Cost comparison of the different fuels.
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Fact sheet illustrates the theory and operation. Add-on device for air conditioner to improve de-humidification.
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Tips on preparing a furnace for winter operation.
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Find answers to steam heating problems by posting questions for experts or reading excerpts from books about heating.
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Order form to request free literature on new units and related products.
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Devices include thermostats, humidistats, air cleaners and humidifiers. Everything from manuals to troubleshooting guides to programming instructions to product support.
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Describes air conditioning from window units up to large industrial applications.
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Advice from a service manager on buying a new unit, illustrated essay on chimney liners, and a history of brand names.
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Illustrated tutorial on fabricating sheet metal ductwork.
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Technical support and regulatory updates; articles, faq, and news.
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Liquid propane gas serviceman's handbook. Installation and inspection instructions.
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How to locate, repair, and seal ductwork.
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Searchable database provided by Consumer Product Safety Commission.
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Flat rate price guide for checking repair costs.
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US EPA online publication discusses the effect of HVAC ducts on indoor quality and provides advice for homeowners on choosing a contractor.
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In-depth articles on topics related to improvement, care, and maintenance.
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Instructions on maintenance procedures for heating systems. Includes drawings and diagrams.
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Forum to post residential steam related questions.
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Information on heating system operation, components, troubleshooting and maintenance.