Support & Tools for TOSOT Systems

Access technical assistance, product documents, warranty information,
and troubleshooting tools — all in one place.

Tech Support

Speak with our technical team or search error codes for fast answers.

Get Technical Help

Resources

Download manuals, certificates, and performance data by product.

View Resources

Warranty

Understand coverage, file claims, and view warranty documentation.

Warranty Info
FAQ

Frequently Asked Questions

Get quick info on TOSOT equipment, warranty, contractor
support, and purchasing through our distributors.

Do you sell HVAC systems directly to homeowners?

No. TSOT Comfort works exclusively with licensed HVAC contractors. If you are a homeowner looking to install or service a TOSOT system, we can help connect you with a qualified contractor in your area who can purchase equipment and manage the installation on your behalf.

Who should I contact for pricing or availability?

No. TSOT Comfort works exclusively with licensed HVAC contractors. If you are a homeowner looking to install or service a TOSOT system, we can help connect you with a qualified contractor in your area who can purchase equipment and manage the installation on your behalf.

What areas do you serve in the Northeast?

No. TSOT Comfort works exclusively with licensed HVAC contractors. If you are a homeowner looking to install or service a TOSOT system, we can help connect you with a qualified contractor in your area who can purchase equipment and manage the installation on your behalf.

How do I file a warranty claim for my TOSOT system?

No. TSOT Comfort works exclusively with licensed HVAC contractors. If you are a homeowner looking to install or service a TOSOT system, we can help connect you with a qualified contractor in your area who can purchase equipment and manage the installation on your behalf.

Where can I find technical specifications and installation manuals?

No. TSOT Comfort works exclusively with licensed HVAC contractors. If you are a homeowner looking to install or service a TOSOT system, we can help connect you with a qualified contractor in your area who can purchase equipment and manage the installation on your behalf.