Measuring R value (testo 435 U value probe)
A quick overview of how the testo 435 U-Value probe works and what is can do for you.
ORDER a Probe HERE.
18th Oct 2012
Recent Posts
-
5 Essential HVAC Tools Technicians Reach for Every Day
Every technician has favorite tools, but some get used on nearly every service call. I don’t …16th Aug 2026 -
Home Energy Rebates Are Reaching Your Customers
Home Energy Rebates are getting attention again, and you may be hearing about them on servi …5th Aug 2026 -
The Building HVAC Science Podcast: Free, Field-Tested Learning for HVAC Pros
HVAC techs spend a big part of the workday driving between jobs. Listening to the Building H …28th Jul 2026