SmartHeater is an online retailer offering industrial, outdoor, and renewable-energy products, with a broad catalogue aimed at professional users and households. Its range includes photovoltaic panels, mounting structures, inverters, EV charging stations, and related installation and cleaning accessories. Industrial equipment includes shelving and storage systems, workbenches, metal halls, scaffolding, ladders, lifting equipment, pallet trucks, forklifts, cleaning machines, and tools for welding, cutting, grinding, and pallet handling. The store also sells vehicle refrigerators and accessories, heaters, LED projectors and lamps, sanitary fittings, furniture, garden products, barbecues, and camping and sporting goods.

SmartHeater promotes practical solutions at accessible prices and offers online and telephone ordering. Customers can find new products, discounted and clearance items, and sealed-package returns, as well as scaffold rental. The website advertises secure card payments, installment options, a 14-day return period, and free delivery on orders over 499 RON; orders below 200 RON are payable online only. SmartHeater serves customers seeking equipment for industrial work, energy projects, transport, storage, and everyday outdoor use.