Climate Control

AC-Pal
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.
http://www.ac-pal.com/index.html

Air Conditioning Information and Diagnosis
Diagnostics chart for troubleshooting. Tips on air filters, refrigerant charging, thermostats, and operation.
http://www.longviewweb.com/index.htm

Allexperts Repair Q and A
Volunteer mechanics answer questions via e-mail. Volunteers can be evaluated based on credentials and user ratings.
http://www.allexperts.com/browse.cgi?catLvl=3&catID=696

Appliance411.com
List of do's and don'ts for maintenance and repair.
http://appliance411.com/links/Helpful_Tips/Air_Conditioner/

Big Blu Manual
Tutorial illustrating step by step procedures for finding refrigerant leaks.
http://www.refrigtech.com/bigblumanual1.html

The Boiler Room
Forum to post residential steam related questions.
http://www.boilerroom.com/homeforum.html

Brazing, Soldering and Welding
Tutorial illustrating step by step procedures.
http://www.harrisproductsgroup.com/faq.asp

BTU Calculator
Estimate the heating needs of a room, combination of rooms, or an entire home.
http://hearth.com/calc/btucalc.html

Buried Tanks - Home Heating Oil
Legal, environmental and technical information.
http://www.inspect-ny.com/oiltanks/tanks.htm

Carbon Monoxide Alert
Safe and unsafe practices, effects, detector placement, and discussion.
http://www.homesafe.com/coalert/

Carbon Monoxide Poisoning
EPA site provides advice on CO detectors, poisoning symptoms and prevention.
http://www.epa.gov/iaq/pubs/coftsht.html

Duct Cleaning
EPA tips on how to determine if ductwork needs cleaning. Criteria for choosing a contractor.
http://www.epa.gov/iaq/pubs/airduct.html

Furnace Blower Repair
Short example on replacing bearings and fan belt.
http://www.misterfixit.com/htrblowr.htm

Hannabery HVAC
Everything from troubleshooting to maintenance and repair.
http://www.hannabery.com

Hearth.com
Information on gas, wood, pellet, and coal appliances. Cost comparison of the different fuels.
http://www.hearth.com/what/specific.html

Heat Pipes
Fact sheet illustrates the theory and operation. Add-on device for air conditioner to improve de-humidification.
http://www.heatpipe.com/heatpipes.htm

Heating System Maintenance
Tips on preparing a furnace for winter operation.
http://muextension.missouri.edu/xplor/hesguide/housing/gh5981.htm

HeatingHelp.com
Find answers to steam heating problems by posting questions for experts or reading excerpts from books about heating.
http://www.heatinghelp.com

Home Ideas
Order form to request free literature on new units and related products.
http://www.homeideas.com/category.pl?site=hi&category=hvac

Honeywell
Devices include thermostats, humidistats, air cleaners and humidifiers. Everything from manuals to troubleshooting guides to programming instructions to product support.
http://www.honeywell.com/businesses/page6_5.html

Howstuffworks.com
Article that describes air conditioning operation from window units up to large industrial applications.
http://www.howstuffworks.com/ac.htm

HVAC Glossary
Consumer guide to the array of efficiency ratings, abbreviations and acronyms used to describe or explain the products.
http://www.hvac-city.com/hv01002.htm

HVAC Mechanic
Information and support on heating, ventilation and air conditioning systems or controls for home owners and professionals. Knowledge base, recalls, forum, glossary, and events.
http://www.hvacmechanic.com

HVAC Stories at Old House Web
Advice geared toward historic or older homes.
http://www.oldhouseweb.com/stories/How-To/HVAC/

HVAC-Talk
Software bulletin board for HVAC contractors, home-owners, do-it-yourself enthusiasts to use for heating and air conditioning concerns.
http://hvac-talk.com/

John Mills Work Page
Advice from a service manager on buying a new unit, illustrated essay on chimney liners, and a history of brand names.
http://www.johnmills.net/work/workpage.html

Learn Ductwork
Illustrated tutorial on fabricating sheet metal ductwork.
http://www.thesheetmetalshop.com

National Refrigerants
Technical support and regulatory updates; articles, faq, and news.
http://www.refrigerants.com/

Ontario Propane Association
Liquid propane gas serviceman's handbook. Installation and inspection instructions.
http://www.propane.ca/Resources/

RCD Mastics
How to locate, repair, and seal ductwork.
http://www.rcdmastics.com/

Recalls
Searchable database provided by Consumer Product Safety Commission.
http://www.cpsc.gov/cpscpub/prerel/prerel.html

RepairNet
Flat rate price guide for checking repair costs.
http://www.repairnet.com/

Sound Home Resource Center
In-depth articles on topics related to improvement, care, and maintenance.
http://www.soundhome.com/topics/topic.shtml#energy

Space Conditioning Systems
Instructions on maintenance procedures for heating systems. Includes drawings and diagrams.
http://www.msue.msu.edu/msue/imp/mod02/01500601.html

Warmair.com
Information on heating system operation, components, troubleshooting and maintenance.
http://www.warmair.com