Contact — LowersHVAC

Contact Us

LowersHVAC is an independent HVAC diagnostic reference for commercial technicians and facility managers. We are not an HVAC service company, parts supplier, or equipment manufacturer.

For technical corrections or OEM part number updates:

Email: [email protected]

If you believe an alarm code description, OEM part number, or troubleshooting step is inaccurate, please email us with supporting documentation (service manual excerpt, OEM bulletin, or field experience data). We verify and correct errors within 5 business days.

For all other inquiries:

Email: [email protected]

Response time: We aim to respond to all inquiries within 2 business days.


Important: LowersHVAC provides diagnostic reference information only. Always follow OEM service manuals, local electrical codes, and OSHA safety standards when servicing HVAC equipment. If you are not a qualified HVAC technician, do not attempt to repair commercial HVAC systems based on information found on this website.