Relax Woodburning Stoves - the most economical and environmentally friendly way to heat your Workshop, Industrial Unit or Greenhouse, resulting in cost reduction of waste removal and reduction of heating bills. Now wioth the possibibility of adding a retro fit Boiler. Relax Stoves offer a range of woodburners and woodburning heaters for greenhouses, workshops and industrial units. Relax Stoves including the R1, R2, R3, R4, R5 and the large woodburning heater, the R6 can burn off cuts, off-cuts, sawdust, shavings, logs and wood waste to produce low-cost, effective heating in many workshops, work areas and units.