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Lennox® VRF Resources

Every Lennox® VRF system connects you to a wide range of support resources. Our commitment starts right here with information on system specification, installation and operation.

Tips from the VRF pros

When you partner with Lennox experts, you get a substantial amount of knowledge and assistance upon which to draw. Lennox has been an innovation leader in heating and cooling for more than a century, and that collected expertise is available to you with every Lennox VRF installation.

Benefits of heat recovery

Lennox VRF captures heat and preserves savings.

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Variable refrigerant flow installation tips

System installation tips from the Lennox VRF experts.

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Advantages of daisy-chaining

Lennox VRF brings smart ideas together for simpler installation.

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Variable refrigerant flow installation tips in older buildings

An innovative approach to HVAC retrofits in older buildings.

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The Lennox® VRF App

This powerful digital tool helps you get more out of every Lennox® VRF installation by putting the resources you need right at your fingertips.

VIDEO

Learn more about the Lennox VRF system.

DOCUMENT LIBRARY

Easily view product specs, submittals and installation manuals.

ERROR CODE LOOKUP

Access to error codes for quicker troubleshooting.

REFRIGERANT CHARGE CALCULATOR

Quickly calculate correct charge for installed piping.

PIPE LIMITATIONS

View recommended specifications.

QUICK REFERENCE

View pressure-test and evacuation-procedure processes and pre-commissioning checklist.

Download the app now!

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With Lennox innovation comes Lennox peace of mind.

Lennox VRF warranties mean consistent, worry-free comfort for building owners, managers and occupants.

Download the Lennox VRF Warranty

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Financing makes Lennox VRF an even smarter choice.

Lennox VRF works with any building. Financing options through Lennox Commercial Financing help put Lennox VRF in reach of nearly any customer.

Learn More At LennoxLeasing.com

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Get answers to technical questions from the experts.

Lennox has a wide assortment of resources available to help with your variable refrigerant flow project, before, during and after construction.