Yes. Modern condensing oil boilers are ‘A’ rated and therefore as efficient as comparable gas boilers. They come with the same controls as gas central heating systems, so you can still use a thermostat to control your heating efficiently. Also, oil is more efficient as a fuel source than gas, so you will get more energy per unit of oil. Oil prices can fluctuate, however, so ensure that you find a good supplier.
Llanfechain is a small village and also area in Powys, Wales, between Llanfyllin as well as Llansantffraid-ym-Mechain on the B4393 road. Historically it belonged to Montgomeryshire. Afon Cain goes through the village. It has a population of less than 500. Llanfechain can imply "parish or church (llan) of the Cain valley" (from Llan ym Mach Cain indicating "church in the field or plain of the Cain" to Llan ym Mechain and afterwards Llan-mechain, which comes to be Llanfechain as a result of the typical anomaly of'm' to 'f' in Welsh). However, it could additionally suggest "tiny (fechan) church or parish (llan)". Spellings of placenames differ significantly in time, so little variants such as chain/cain as well as fechain/fechan are plausible. The name in the form Llanveccheyn is first come across in 1254. It has actually also been called Llanarmon-ym-Mechain, ym-Mechain refers to its place in the middle ages cantref of Mechain, hence 'Church of St Garmon in Mechain'.