Computerized on-line retail store services in the field of HVAC equipment; On-line consignment services whereby goods are received on consignment in on-line retail stores featuring HVAC equipment; On-line retail consignment stores featuring HVAC equipment; On-line retail store services featuring a wide variety of consumer goods of others; On-line retail store services featuring HVAC equipment; On-line wholesale and retail store services featuring HVAC equipment; Presentation of goods on communication media for retail purposes; Promoting the goods and services of others by means of operating an on-line shopping mall with links to the retail web sites of others; Promoting the goods and services of others by providing a web site featuring coupons, rebates, price-comparison information, product reviews, links to the retail web sites of others, and discount information; Promoting the goods and services of others through infomercials played on customer point of purchase television monitors in retail stores; Providing information about and making referrals in the field of consumer products and services for retail services concerning products, services, events, activities, attractions and facilities in particular geographic locations; Retail electricity provider services, namely, providing a service that allows customers to purchase energy, namely, electricity; Retail electricity provider services, namely, providing a service that allows customers to purchase energy, namely, electricity, and renewable energy; Retail shops featuring HVAC equipment; Retail store and on-line retail store services featuring HVAC equipment; Retail store services featuring a wide variety of consumer goods of others; Retail store services featuring HVAC equipment; Retail store services in the field of HVAC equipment featuring a bonus incentive program for customers; Retail store services in the field of HVAC equipment that can be purchased under a rent-to-own contract; Retail store services, available through computer communications and interactive television, featuring HVAC equipment; Retail stores featuring HVAC equipment; Turnkey retail start-up services, namely, coordination and assumption of responsibility for all aspects of the store-opening process of others; Wholesale and retail store services and on-line retail and wholesale store services featuring HVAC equipment; Wholesale and retail store services featuring HVAC equipment