Do they carry quality products?
Along with the importance of choosing the right type of system, you also need to be sure of the quality of the equipment supplied by the company. Ensure that the products they are selling carry an approval seal from the Canadian Standards Association. In some cases, standards are not yet available for solar products in Canada. If the product is imported check to see if it carries an international safety label such as UL (certification from Underwriters Laboratories Standards for Safety) or the CE marking (certifying a product has met European Union consumer safety, health or environmental requirements).
