Smarter Heating & Hot Water
Design notes from heating installs. These pages keep the technical specification — floors, manifolds, controls, heat source — without turning a private job into a marketing write-up.
3-bedroom open-vent system converted to a sealed ecoTEC Plus 624, Honeywell S Plan controls, and Altecnic Ecocal TRVs, sized down from a 630.
Wet UFH on loft, first, and ground floors, with a Viessmann 100-W boiler and cylinder, Heatmiser controls, Wunda boards, and Emmetti manifolds.
2019 house note: Nest Learning Thermostat as the OpenTherm boiler call, Evohome limiting rooms, on an Intergas combi with PDHW and solar thermal.
Harrow combi swap from a Glow-worm 24cxi, with Spirotech RV2 and MB3, a system clean, and what the Green iQ A+ claim actually covered.