We’ve a tenant in the yard who’s enquired about us plumbing into our biomass boiler (only used for grain drying and farmhouse presently) to get heat into his unit. I’m waiting on prices from the installer to do the job for us but need to have an idea of what we can potentially charge him for using the heat. He’d have a meter in the unit on a thermostat so it would be a simple system. We’d pay to get the pipe into the shed then he’d pay for some heater blowers in the main part and radiators in his offices. The deal is if he leaves we get the installed heating system left in the shed at no cost which would be added into his lease. I don’t want to take the mickey as he’s a good tenant and been here 10 years. I’m thinking a simple charge per kwh is where we need to be. It’s a straw fed boiler and from Oct - March is only heating the farmhouse so his unit won’t add any extra work from my point of view really.