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Software allows input of data from instrument readings and gives solution to the problem.
http://www.ac-pal.com/ |
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/ |
Interactive manual includes basic troubleshooting and maintenance tips for do-it-yourselfers. Feedback form provided for technical questions.
http://www.accheckup.com/ |
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.
http://www.connel.com/ |
Volunteer mechanics answer questions via e-mail. Volunteers can be evaluated based on credentials and user ratings.
http://www.allexperts.com/ |
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