Product Range

High-quality cost effective heating controls

At ESi we provide an extensive selection of products to help you lower your energy use and reduce bills.  Our range includes programmable room thermostats including the 6 Series smart control, WiFi enabled thermostat controlled via your smart device or Alexa – to familiar dial room thermostats and wireless RF-controlled room thermostats.  We also design and manufacture hot water cylinder thermostats including WiFi, Alexa controlled units which provide you multiple options to help reduce bills.  Our range of zone valves and accessories also provides reliable, quick and easy to install options to lower on-going maintenance costs to maximise your heating and hot water system’s energy efficiency at an affordable price.