 BTU Calculator - http://hearth.com/calc/btucalc.html Estimate the heating needs of a room, combination of rooms, or an entire home. |
 Hearth.com - http://www.hearth.com/what/specific.html Information on gas, wood, pellet, and coal appliances. Cost comparison of the different fuels. |
 Carbon Monoxide Alert - http://www.homesafe.com/coalert/ Safe and unsafe practices, effects, detector placement, and discussion. |
 Home Ideas - http://www.homeideas.com/category.pl?site=hi&category=hvac Order form to request free literature on new units and related products. |
 National Refrigerants - http://www.refrigerants.com/ Technical support and regulatory updates; articles, faq, and news. |
 Honeywell - http://www.honeywell.com/businesses/page6_5.html Devices include thermostats, humidistats, air cleaners and humidifiers. Everything from manuals to troubleshooting guides to programming instructions to product support. |
 Warmair.com - http://www.warmair.com Information on heating system operation, components, troubleshooting and maintenance. |
 Allexperts Repair Q and A - http://www.allexperts.com/browse.cgi?catLvl=3&catID=696 Volunteer mechanics answer questions via e-mail. Volunteers can be evaluated based on credentials and user ratings. |
 HeatingHelp.com - http://www.heatinghelp.com Find answers to steam heating problems by posting questions for experts or reading excerpts from books about heating. |
 Sound Home Resource Center - http://www.soundhome.com/topics/topic.shtml#energy In-depth articles on topics related to improvement, care, and maintenance. |
 RepairNet - http://www.repairnet.com/ Flat rate price guide for checking repair costs. |
 Heat Pipes - http://www.heatpipe.com/heatpipes.htm Fact sheet illustrates the theory and operation. Add-on device for air conditioner to improve de-humidification. |
 Carbon Monoxide Poisoning - http://www.epa.gov/iaq/pubs/coftsht.html EPA site provides advice on CO detectors, poisoning symptoms and prevention. |
 Duct Cleaning - http://www.epa.gov/iaq/pubs/airduct.html EPA tips on how to determine if ductwork needs cleaning. Criteria for choosing a contractor. |
 The Boiler Room - http://www.boilerroom.com/homeforum.html Forum to post residential steam related questions. |
 Howstuffworks.com - http://www.howstuffworks.com/ac.htm Article that describes air conditioning operation from window units up to large industrial applications. |
 Heating System Maintenance - http://muextension.missouri.edu/xplor/hesguide/housing/gh5981.htm Tips on preparing a furnace for winter operation. |
 Ontario Propane Association - http://www.propane.ca/Resources/ Liquid propane gas serviceman's handbook. Installation and inspection instructions. |
 HVAC Stories at Old House Web - http://www.oldhouseweb.com/stories/How-To/HVAC/ Advice geared toward historic or older homes. |
 Furnace Blower Repair - http://www.misterfixit.com/htrblowr.htm Short example on replacing bearings and fan belt. |
 Carbon Monoxide Protocol - http://home.att.net/~cobusters1/coprotocol.htm Guidelines to determine whether potential exists for this deadly gas to enter a house. |
 Space Conditioning Systems - http://www.msue.msu.edu/msue/imp/mod02/01500601.html Instructions on maintenance procedures for heating systems. Includes drawings and diagrams. |
 Air Conditioning Information and Diagnosis - http://www.longviewweb.com/index.htm Diagnostics chart for troubleshooting. Tips on air filters, refrigerant charging, thermostats, and operation. |
 HVAC Mechanic - http://www.hvacmechanic.com Information and support on heating, ventilation and air conditioning systems or controls for home owners and professionals. Knowledge base, recalls, forum, glossary, and events. |
 Appliance411.com - http://appliance411.com/links/Helpful_Tips/Air_Conditioner/ List of do's and don'ts for maintenance and repair. |
 John Mills Work Page - http://www.johnmills.net/work/workpage.html Advice from a service manager on buying a new unit, illustrated essay on chimney liners, and a history of brand names. |
 Learn Ductwork - http://www.thesheetmetalshop.com Illustrated tutorial on fabricating sheet metal ductwork. |
 HVAC-Talk - http://hvac-talk.com/ Software bulletin board for HVAC contractors, home-owners, do-it-yourself enthusiasts to use for heating and air conditioning concerns. |
 HVAC Glossary - http://www.hvac-city.com/hv01002.htm Consumer guide to the array of efficiency ratings, abbreviations and acronyms used to describe or explain the products. |
 Buried Tanks - Home Heating Oil - http://www.inspect-ny.com/oiltanks/tanks.htm Legal, environmental and technical information. |
 Recalls - http://www.cpsc.gov/cpscpub/prerel/prerel.html Searchable database provided by Consumer Product Safety Commission. |
 RCD Mastics - http://www.rcdmastics.com/ How to locate, repair, and seal ductwork. |
 Big Blu Manual - http://www.refrigtech.com/bigblumanual1.html Tutorial illustrating step by step procedures for finding refrigerant leaks. |
 AC-Pal - http://www.ac-pal.com/index.html 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. |
 Hannabery HVAC - http://www.hannabery.com Everything from troubleshooting to maintenance and repair. |
 Brazing, Soldering and Welding - http://www.harrisproductsgroup.com/faq.asp Tutorial illustrating step by step procedures. |