Why it’s essential to select the right thermostat for your UFH system.

When selecting thermostats for a client, do you base it on the ease of use, aesthetics, price or maybe all three? There is a fourth point with UFH systems that is often overlooked and yet is the most important of all.  

  

As explained in a previous #TechTuesday articles, UFH does have a slower reaction time when compared with other heating types. Due to these slower reaction times, it is better to maintain a constant temperature and only make small adjustments.  

  

Luckily room control technology has come a long way since the simple dial thermostat. Even though these are very easy for clients to use and extremely cheap, they are terrible for UFH as they suffer from over and undershoot of a minimum of 1 degree. This level of inaccuracy helps with radiators as it ensures the boiler does not constantly fire. Unfortunately, with UFH, the residual energy left after the boiler fires can overshoot the system by more than 3 degrees.  

Similarly, it then takes an age for it to drop back down, and by that point, all the energy is lost in the screed, causing it to undershoot massively. Thus, using simple dial thermostats with a UFH system can make the building uncomfortable and highly inefficient.   

  

All modern UFH controls should have a version of Load compensation. The load compensation feature forecasts where the system is currently measuring and reacts before it needs to. In this way, the system ensures it keeps close to the setpoint without overheating and underheating, saving huge amounts of money in wasted energy and increasing comfort.   

  

Why not talk to our team about our range of load compensated controls today? And we will ensure your next UFH is not just easy to use, looks good and is cost-competitive but is also efficient.