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25kW Riva Compact Combi Boilers High Efficiency Condensing (HE) inc Flue Time Clock

Heating is the largest energy expense in most homes, accounting for around two-thirds of annual energy bills in colder parts of the country. Reducing your heating energy use is the single most effective way to save money and reduce your home’s contribution to global environmental problems. Heating systems in the United States spew over a billion tons of CO2 into the atmosphere each year and about 12% of the nation’s sulfur dioxide and nitrogen oxides.
No. You should have a condensing boiler fitted if it is reasonable to do so, but the law recognises that non-condensing boilers are acceptable if it would be too difficult to install a condensing boiler in your home. Your installer will tell you whether your circumstances are too difficult.
This can be a difficult question. If you heat with electric resistance heat, rising electricity prices may force you to switch to a gas, oil, or heat pump system that is more affordable. If you currently have a gas- or oil-fired furnace or boiler, the decision to replace it depends on its age, condition, and performance.
If your furnace or boiler is old, worn out, inefficient, or significantly oversized, the simplest solution is to replace it with a modern high-efficiency model. Old coal burners that were switched over to oil or gas are prime candidates for replacement, as are gas furnaces with pilot lights and without an induced draft fan.