Man calculating household heating costs. Wooden pellets, biomass, effective, environmentally friendly and economical heating, sustainable and renewabl

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Man calculating household heating costs. Wooden pellets, biomass, effective, environmentally friendly and economical heating, sustainable and renewable energy

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Size: 4928px × 3280px
Photo credit: © Kaliantye / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: alternative, bio, biofuel, biomass, birch, burn, chip, costs, eco, eco-friendly, ecofriendly, ecological, ecology, economy, energy, fuel, green, heating, mass, natural, pellets, power, recycling, renewable, sustainable, timber, wood