METr

METr (Modeled Energy Transfer) by Phius is the next generation of WUFI Passive. It is a cloud-based program that allows for maximum flexibility and an enhanced user experience while maintaining the familiar feel of WUFI.

Get METr

METr: The Future of Energy Modeling

METr is a new, cloud-based modeling tool developed by C3RRO and Phius optimized for passive building energy modeling. With the familiar mechanics and interface of WUFI Passive, METr features a streamlined user experience and easy-to-use tools along with a number of fresh features.

Purchase a METr Subscription

Access METr

What METr Offers

Cloud-based, allowing you access from any device
Runs on Mac and Windows operating systems
Phius climate data is built in
The Phius Window Database is built in
Significant speed increase to imports and workflows
Files exported from WUFI can be imported into METr

Early Sign-Up Discount Code

Those who purchase a METr subscription by the end of February 2025 can use coupon code "betasale" for 50 percent off the first year.

New Climate Location Map

METr users have the ability to select their climate location directly from the integrated map/database. This feature includes all of Phius' available climate data sets (not including custom CD sets).

METr FAQs

An annual subscription costs $609.48 (588 Euros).
Current WUFI license holders are eligible for discounts based on how much time is remaining on their license.
- 60+ months remaining = 50 percent discount coupon
- 18-60 months remaining = 35 percent discount coupon
- 6-18 months remaining = 20 percent discount coupon
To redeem this offer, users must provide C3RRO with their current WUFI License Key, Username, Company, and "Valid through" date. Discount applies only to the first year of the subscription.

How much does it cost?

Do I need to switch to METr right now?

What if I have a WUFI license and want to switch?

Can I import a file from WUFI into METr?