GBA Logo horizontal Facebook LinkedIn Email Pinterest Twitter Instagram YouTube Icon Navigation Search Icon Main Search Icon Video Play Icon Plus Icon Minus Icon Picture icon Hamburger Icon Close Icon Sorted

Community and Q&A

What is the calculation method to determine the actual BTUH output of a hydronic radiant floor?

GBA Team | Posted in Mechanicals on

We are looking for a mathematical calculation for determining the actual btu output of a hydronic radiant slab floor in a basement. Any assistance is greatly appreciated.


[The author of this question has asked for his name to be omitted.]

GBA Prime

Join the leading community of building science experts

Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field.


  1. user-626934 | | #1

    Depends on water temperature, flow rate, spacing of pipes, etc.

    Here's a good pace to start -

  2. wjrobinson | | #2

    Go to Uponor. Lots of information.
    25 btus/sqft more or less depending...

    Interesting way to advertise your company and 25 years of experience by posting a how do I do what I actually do question?

  3. user-2890856 | | #3

    This seems like an awfully odd question from someone with the following on their website: "HVAC specialist, over 25 years of field experience."

Log in or create an account to post an answer.


Recent Questions and Replies

  • |
  • |
  • |
  • |