How can I use my central heating boiler more economically?

Have your insulation performed properly should the door, glass, wall and roof insulation of the building is insufficient. Heat loss in your roof is around 20%. Moreover, you will ensure complete and definite saving through E.C.A. thermostatic valves you will install on your panel radiators. Besides, you can reduce your heating costs by also using thermostat outside air or room thermostat.