The rules would apply to fridges, vacuum cleaners, televisions, washing machines and other goods that are deemed "repairable" under EU law.
The EU is negotiating rules that would extend the requirement to smartphones and tablets.
Under the EU rules, companies would have to repair a defective product for free within the two-year legal guarantee period, if the cost of repair is cheaper or equal to replacing the product.
After that date, companies must still offer repairs, either for free or for a charge.
A second law, proposed by Brussels on Wednesday, would force companies to verify claims that their products are "green" or "eco-friendly".