Climate Control
Air Conditioning for Home Owners
Interactive manual includes basic troubleshooting and maintenance tips for do-it-yourselfers. Feedback form provided for technical questions.
Air Conditioning Information and Diagnosis
Diagnostics chart for troubleshooting. Tips on air filters, refrigerant charging, thermostats, and operation.
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 sec…
Allexperts Repair Q and A
Volunteer mechanics answer questions via e-mail. Volunteers can be evaluated based on credentials and user ratings.
Aprilaire Owner's Manuals
For humidifiers, air cleaners, thermostats, zone control systems and fresh air exchangers.
Big Blu Manual
Tutorial illustrating step by step procedures for finding refrigerant leaks.
BTU Calculator
Estimate the heating needs of a room, combination of rooms, or an entire home.
Carbon Monoxide Alert
Comprehensive site includes safe/unsafe practices, effects, detector placement, and discussion.
Carbon Monoxide Poisoning
EPA site provides advice on CO detectors, poisoning symptoms and prevention.
Carbon Monoxide Protocol
Guidelines to determine whether potential exists for this deadly gas to enter a house.
Duct Cleaning
EPA tips on how to determine if ductwork needs cleaning. Criteria for choosing a contractor.
Hearth.com
Information on gas, wood, pellet, and coal appliances. Cost comparison of the different fuels.
Heat Pipes
Fact sheet illustrates the theory and operation. Add-on device for air conditioner to improve de-humidification.
Heating System Maintenance
Tips on preparing a furnace for winter operation.
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