Why highlight a non-standard application?
Their in-house testing protocol promoted in their sales videos, used by no other manufacturer in the industry, demonstrates a system floor starting from stone-cold (0 BTUs) to a high heat load condition for most modern homes (20 BTU Sq Ft.), using a high supply water temperature (120F) rarely required in modern homes.
In the real world, very little operating time exists under these conditions: starting up your system and shutting it down at the beginning of a season. During the heating season, a radiant system is cycling to maintain the temperature in a room or from setback, not going from stone cold.
So the condition radiant floor purchasers should care about is a system coming from setback, let’s say 15 btu/sq./ft to the 20 btu/sq./ft. in Warmboard’s videos. There long lag time they demonstrate does not occur under the everyday use of radiant floor systems, particularly a responsive system like Ecowarm RadiantBoard.
The Warmboard testing videos describe conditions with on/off radiant system controls popular 20 years ago and do not reflect the advanced controls installed today.
Modern, well-designed radiant heating systems use weather responsive controls that anticipate changing weather conditions and change the system water temperature to maintain constant, comfortable room temperature. These types of controls also save the customer another 20% in heating costs. Systems now use setback and smart thermostats that save energy.
A good response is very useful but hyper responsiveness just does not provide meaningful, cost-effective value or greater comfort in a modern radiant system.
While Warmboard refers to their system as a high performance, hi-speed race car, a more fitting analogy is that Warmboard represents an expensive 200 mph sports car that is operated in a 60 mph speed zone.