Biomass boilers do require some maintenance. Many manufacturers recommend servicing twice a year, although this is often included in the installation cost. Many systems have automatic fuel loading that removes the need to manually load fuel. You will need to remove the ash from the boiler, but this is as easy as emptying a vacuum cleaner.
Machynlleth
Machynlleth, in some cases referred to informally as Mach, is a market community, neighborhood and electoral ward in Powys, Wales and also within the historic boundaries of Montgomeryshire (Welsh: Sir Drefaldwyn). It remains in the Dyfi Valley at the intersection of the A487 as well as the A489 roads. At the 2001 Census it had a population of 2,147, rising to 2,235 in 2011. Machynlleth was the seat of Owain Glyndwr's Welsh Parliament in 1404, and also as such cases to be the "ancient capital of Wales". However, it has actually never held any main acknowledgment as a capital. It looked for city standing in 2000 as well as 2002, but was not successful. It is twinned with Belleville, Michigan. Machynlleth hosted the National Eisteddfod in 1937 and 1981.