The universal knowledge base is an ever-expanding source of manuals, diagrams and media content designed to assist with repairing and maintaining HVAC equipment. We currently have coverage for a significant portion of manufactures and continue to add more every day.

This list does not contain close to all the manufacturers, but gives a good overview of the largest ones that are available today:  


Carrier
Trane
Lennox
Rheem
Goodman
Mitsubishi
Electric
Captiveaire
Daikin
York
LG
Ruud
Nordyne

Additional Information: 

  • If you have a specific manufacturer that you would like to know if we have coverage for you can search for the manufacturer in the universal knowledge base or just ask us. 
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