Smiths Heaters Environmental products at BHL. Smiths Heaters are a British based design and manufacture company that produce a wide range of energy efficient heating products. The Smith's range of products include Fan Convectors, Flame Effect Fan Convectors, Natural Convectors and Fan Asssisted Electric Heaters. Smiths offer Versatile, Efficient Heating with great Customer Service and Fast Delivery by BHL. We also offer bulk discounts on Smiths Heaters, so whether you are a Homeowner, Plumber or Heating engineer or Kitchen fitter, Shop now at BHL for Efficient, Friendly and Technical Service, Low Prices and Fast Delivery on Smiths Heaters.