The most efficient way to heat your home is by using a programmable thermostat to regulate temperature, ensuring you only heat your home when needed. Additionally, insulating your home properly (windows, walls, attic) and using an efficient heating system like a condensing boiler, heat pump, or underfloor heating can save energy and reduce costs.

Cold spots on radiators are often caused by trapped air or sludge buildup. Bleeding your radiators to release trapped air usually solves the issue. If the problem persists, it might require a professional to flush the system to remove sludge.

To lower heating bills, try some of these options installing a programmable thermostat to control heating times. Upgrading to energy-efficient heating systems (like modern condensing boilers or heat pumps). Sealing drafts and improving insulation in walls, attics, and windows. Lowering the thermostat setting by 1-2 degrees can make a significant difference without compromising comfort.

You should service your heating system annually. Regular servicing helps maintain efficiency, ensures safety, and reduces the risk of unexpected breakdowns, especially in winter when you rely on heating the most.