however; we must assure everything is properly backed-up and factual prior to each news release to avoid doubt or dispute
It is simple Andrew ! No brain needed. Just add the words:
The following are our in-house evaluation measurements showing rate of flow of water in gallons/minute (or liters per second, or whatever), water input and exit temperatures in degrees centigrade, and electrical line power consumption in watts per second (or Joules per second, or amps or ) presented in both graphic and tabular forms, followed by our estimation of energy input that was transferred to the water as heat.
I am sure you can figure out that constitutes a sufficient disclaimer. Just adjust the words, cut and paste the data,
AND HONOR YOUR PROMISES !