Sales services, including retail sales, wholesale sales, sales via the world wide web, electronic sales, price analysis services, purchase recommendation services, services for determining the suitability of products for their intended use, appraisal services for recommending sales and use of products, compilation of information into websites and databases, cost analysis, direct sales of products, evaluation of products for sale, on-line advertising on a computer network, sales promotions, warehousing services, sales and information services for heating and cooling apparatus and equipment

Building construction; repair; installation services; heating and cooling apparatus and equipment installation and repair; presales inspection and measuring services, particularly for heating and cooling apparatus and equipment; evaluation and recommendation services leading to the purchase and installation of home appliances, including heating, ventilation and cooling apparatus and equipment; pre purchase inspection and evaluation services; measuring services; construction and installation of home appliances; comparative services leading to sales and purchase of home appliances; price comparison services; performance comparison services for home appliances, white goods, and household products; testing and evaluation of products for sale including heating and cooling apparatus and equipment