1. Carrier dealer web info -- www.hvacpartners.com
2. Online permits for City of LA -- https://permitla.org
3. Lennox info -- www.davelennox.com
4. Trane info -- www.trane.com
5. Great Customer Registers -- www.reggioregister.com
6. ARI -- www.ari.org
7. California State Contractors License Board-- www.cslb.ca.gov
8. Energy Star Info and Programs -- www.energystar.gov/default.shtml
9. Prime Net – ARI certified Air Conditioners and Systems --http://207.140.180.11/ari-prog/Direct.nsf
10. SoCalGas -- www.socalgas.com
11. DWP Information on incentive plans -- www.greenla.com
12. U.S. Department of Labor -- www.dol.gov
13. Enviromental Protection Agency --www.epa.gov
14. EPA Stratospheric Protection Agency -- http://www.epa.gov/ozone/desc.html
15. OSHA -- www.osha-slc.gov/dts/osta/oshasoft/
16. US Congress -- http://thomas.loc.gov/
17. US Senate -- www.senate.gov
18. US Government Homepage -- www.firstgov.gov/
19. Ruud Info: www.ruud.com
20. California Climate Zone Map