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D-ENERGi’s 5 top tips for biomass!
If you intend to get an automated wood heating system to replace a your existing boiler and heating system, forget using a log boiler or a woodstove. These won’t be for you. If you don’t object to a little daily loading up with logs and de-ashing, and if your lifestyle permits you to regularly tend to such tasks, then this is a good option for you.
If you are lucky enough to have your own healthy supply of logs and you fit the criteria of Tip 1, a log boiler can be a really worthwhile investment with return rates of between 12-20% IRR.
An important biomass tip is to always begin with the fuel when looking at getting a wood heating boiler. A key first step is to decide whether you want to use logs, wood pellets, or wood chips. Each of them has its own advantages and disadvantages.
Pellets are the most convenient and compact of the three, and they are still made and delivered in a carbon-friendly way. They are, however, more expensive than the other two options. Also consider whether you can get your fuel delivered simply and economically. If the only way to get fuel into a storage silo is via a chipper (£35,000 or £250 per day), manually, or via a pallet truck and builder bags, prices can bump up significantly and become quite considerable.
Make sure to get advice on wood fuel handling, choice, and design from an independent and experienced person. Around half of wood heating system issues arise because a mistake has been made in relation to the fuel used.
Almost all wood boiler systems will operate better if they are linked to an accumulator tank. This aids to balance out the peaks and troughs of demand and to provide a little more gusto during the peak loads.