- Warmair.com - http://www.warmair.com
- Information on heating system operation, components, troubleshooting and maintenance.
- HeatingHelp.com - http://www.heatinghelp.com
- Find answers to steam heating problems by posting questions for experts or reading excerpts from books about heating.
- Buried Tanks - Home Heating Oil - http://www.inspect-ny.com/oiltanks/tanks.htm
- Legal, environmental and technical information.
- Carbon Monoxide Protocol - http://home.att.net/~cobusters1/coprotocol.htm
- Guidelines to determine whether potential exists for this deadly gas to enter a house.
- Heating System Maintenance - http://muextension.missouri.edu/xplor/hesguide/housing/gh5981.htm
- Tips on preparing a furnace for winter operation.
- 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.
- Sound Home Resource Center - http://www.soundhome.com/topics/topic.shtml#energy
- In-depth articles on topics related to improvement, care, and maintenance.
- Hannabery HVAC - http://www.hannabery.com
- Everything from troubleshooting to maintenance and repair.
- Learn Ductwork - http://www.thesheetmetalshop.com
- Illustrated tutorial on fabricating sheet metal ductwork.
- 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.
- 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.
- BTU Calculator - http://hearth.com/calc/btucalc.html
- Estimate the heating needs of a room, combination of rooms, or an entire home.
- RepairNet - http://www.repairnet.com/
- Flat rate price guide for checking repair costs.
- Appliance411.com - http://appliance411.com/links/helpful_tips/air_conditioner/
- List of do's and don'ts for maintenance and repair.
- Big Blu Manual - http://www.refrigtech.com/bigblumanual1.html
- Tutorial illustrating step by step procedures for finding refrigerant leaks.
- Furnace Blower Repair - http://www.misterfixit.com/htrblowr.htm
- Short example on replacing bearings and fan belt.
- 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.
- 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.
- Air Conditioning Information and Diagnosis - http://www.longviewweb.com/index.htm
- Diagnostics chart for troubleshooting. Tips on air filters, refrigerant charging, thermostats, and operation.
- Carbon Monoxide Poisoning - http://www.epa.gov/iaq/pubs/coftsht.html
- EPA site provides advice on CO detectors, poisoning symptoms and prevention.
- 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.
- Home Ideas - http://www.homeideas.com/category.pl?site=hi&category=hvac
- Order form to request free literature on new units and related products.
- The Boiler Room - http://www.boilerroom.com/homeforum.html
- Forum to post residential steam related questions.
- 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.
- Howstuffworks.com - http://www.howstuffworks.com/ac.htm
- Article that describes air conditioning operation from window units up to large industrial applications.
- Space Conditioning Systems - http://www.msue.msu.edu/msue/imp/mod02/01500601.html
- Instructions on maintenance procedures for heating systems. Includes drawings and diagrams.
- 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.
- Ontario Propane Association - http://www.propane.ca/resources/
- Liquid propane gas serviceman's handbook. Installation and inspection instructions.
- 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.
- RCD Mastics - http://www.rcdmastics.com/
- How to locate, repair, and seal ductwork.
- Recalls - http://www.cpsc.gov/cpscpub/prerel/prerel.html
- Searchable database provided by Consumer Product Safety Commission.
- National Refrigerants - http://www.refrigerants.com/
- Technical support and regulatory updates; articles, faq, and news.
- HVAC Stories at Old House Web - http://www.oldhouseweb.com/stories/how-to/hvac/
- Advice geared toward historic or older homes.
- 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.
- Brazing, Soldering and Welding - http://www.harrisproductsgroup.com/faq.asp
- Tutorial illustrating step by step procedures.
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