Ask the A/C Man:
FAQ on how to repair, maintain, or buy a central heating and air
conditioning system.
http://www.oxyfilters.com/acman.html
Warmair.com:
Information on heating system operation, components, troubleshooting
and maintenance.
http://www.warmair.com
HeatingHelp.com:
Find answers to steam heating problems by posting questions for
experts or reading excerpts from books about heating.
http://www.heatinghelp.com
Air Conditioning for Home Owners:
Interactive manual includes basic troubleshooting and maintenance
tips for do-it-yourselfers. Feedback form provided for technical
questions.
http://www.accheckup.com/
Ask Edward:
Mechanic answers homeowners queries on a wide range of service
concerns.
http://askedward.com
Do It Yourself HVAC:
Covers a wide range including information on indoor air quality,
safety and thermostats. Provides cost estimate for various repairs.
http://www.doityourself.com/hvac/
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/getExpert.asp?Category=696
Carbon Monoxide Protocol:
Guidelines to determine whether potential exists for this deadly gas
to enter a house.
http://home.att.net/~cobusters1/coprotocol.htm
Heating System Maintenance:
Tips on preparing a furnace for winter operation.
http://muextension.missouri.edu/xplor/hesguide/housing/gh5981.htm
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
Sound Home Resource Center:
In-depth articles on topics related to improvement, care, and
maintenance.
http://www.soundhome.com/topics/topic.shtml#energy
HVAC Stories at Old House Web:
Advice geared toward historic or older homes.
http://www.oldhouseweb.net/stories/How-To/HVAC/
Hannabery HVAC:
Everything from troubleshooting to maintenance and repair.
http://www.hannabery.com
Learn Ductwork:
Illustrated tutorial on fabricating sheet metal ductwork.
http://www.thesheetmetalshop.com
Hearth.com:
Information on gas, wood, pellet, and coal appliances. Cost
comparison of the different fuels.
http://www.hearth.com/what/specific.html
Carbon Monoxide Alert:
Comprehensive site includes safe/unsafe practices, effects, detector
placement, and discussion.
http://www.homesafe.com/coalert/
RCD Mastics:
How to locate, repair, and seal ductwork.
http://www.rcdmastics.com/howto/index.html
Novia Heating Oil:
Homeowner checklist for oil furnace malfunction.
http://www.noviaoil.com/heatingoil.htm
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/
Aprilaire Owner's Manuals:
For humidifiers, air cleaners, thermostats, zone control systems and
fresh air exchangers.
http://www.resprod.com/default.asp
Arthur Hewett:
Factsheets on purchasing a new system, determining proper size,
ductwork, grilles, and a glossary of industry terms.
http://members.tripod.com/arthurghewett/id19.htm
Air Conditioner Parts:
On-line ordering of contactors, relays, capacitors, transformers,
motors, and tools.
http://a-1catalog.com/airconpar.html
Recalls:
Searchable database provided by Consumer Product Safety Commission.
http://www.cpsc.gov/consumer.html
BTU Calculator:
Estimate the heating needs of a room, combination of rooms, or an
entire home.
http://hearth.com/calc/btucalc.html
Diagnostic Help:
For central air conditioning, window units and heat pumps.
http://anchor-robinson.com/
RepairNet:
Flat rate price guide for checking repair costs.
http://www.repairnet.com/
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
Furnace Blower Repair:
Short example on replacing bearings and fan belt.
http://www.misterfixit.com/htrblowr.htm
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
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
Air Conditioning Information and Diagnosis:
Diagnostics chart for troubleshooting. Tips on air filters,
refrigerant charging, thermostats, and operation.
http://www.longviewweb.com/index.htm
Carbon Monoxide Poisoning:
EPA site provides advice on CO detectors, poisoning symptoms and
prevention.
http://www.epa.gov/iaq/pubs/coftsht.html
Gas Furnace Alert:
Warning about the potential danger if flue pipe is not replaced when
a modern high efficiency furnace is installed. (click "alert" to get
to page)
http://www.meier-and-sons.com/
MSN HomeAdvisor: Climate:
Overview of systems which contribute to climate within the home -
insulation, air conditioners, vents, humidifiers and dehumidifiers,
forced air heaters, filters, and thermostats. Illustrations, common
problems, and basic repair instructions.
http://homeadvisor.msn.com/improve/climate.asp
HVAC Help for the Homeowner:
Experienced mechanic shows how to get help from the web. Includes
advice from other mechanics and numerous searches of alt.hvac where
many industry experts have answered a variety of questions.
http://home.att.net/~alt.hvac/owner.htm
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
Home Ideas:
Order form to request free literature on new units and related
products.
http://www.homeideas.com/category.pl?site=hi&category=hvac
The Boiler Room:
Forum to post residential steam related questions.
http://www.boilerroom.com/homeforum.html
Radiant Heat:
This Old House know how section explains installation, operation,
features and benefits.
http://www.pbs.org/wgbh/thisoldhouse/knowhow/tandt/radiantheat.html
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
Howstuffworks.com:
Article that describes air conditioning operation from window units
up to large industrial applications.
http://www.howstuffworks.com/ac.htm
Space Conditioning Systems:
Instructions on maintenance procedures for heating systems. Includes
drawings and diagrams.
http://www.msue.msu.edu/msue/imp/mod02/01500601.html
Air Conditioning Exchange:
Glossary of heating and cooling terms and online estimating tools
including HVAC operating cost analysis, HVAC efficiency finder,
equipment size estimator.
http://www.aircondex.com/infoadvice.html
Radiant Design Institute:
Illustrations and detailed tutorials for installation of radiant
floor heating.
http://www.radiantdesigninstitute.com/
Homestore.com: Heating How-To Articles:
Wide assortment of tips including programmable thermostats, cleaning
air ducts, reducing moisture problems, and basic maintenance.
http://www.homestore.com/HomeGarden/homeimprovement/howtos/howtos/DefaultHeating.asp
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
Oil Burner Man:
Detailed answers on oil heating systems with emphasis on boilers.
http://fixitright.freeyellow.com/index.html
Air Duct Calculator:
Input a desired flow rate in CFM, a limiting velocity in FPM, air
temperature in degrees F, the length of the duct, and the duct
material. The program calculates the duct cross sectional area, the
circular duct diameter, and rectangular duct equivalents.
http://www.connel.com/freeware/airduct.shtml
Pacific Gas and Electric Company:
Database of manufacturers and models searchable by user defined
specifications.
http://www.pge.com/003_save_energy/003b_bus/003b1d8a7b_central_database.shtml
Ontario Propane Association:
Liquid propane gas serviceman's handbook. Installation and
inspection instructions.
http://www.propane.ca/Resources/
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
