Hemmera is an online retailer offering a broad range of products for the home, garden, workshop and everyday life. Its catalogue brings together equipment for heating, cooling and ventilation, including air conditioners, heaters, fans, air purifiers and related accessories. Shoppers can also browse household appliances for cooking, refrigeration, laundry and floor care, alongside televisions and other home essentials.

For DIY and home improvement, Hemmera lists power and hand tools, electrical supplies, plumbing equipment, boilers, water heaters, home automation and security products. Garden and outdoor categories include lawn and trimming equipment, pumps and irrigation supplies, garden furniture, lighting, barbecues and swimming-pool equipment. The site also features mobility products such as bicycles, electric bikes, scooters and accessories. For professional buyers, its selection includes commercial refrigeration, catering equipment, food preparation machinery and hospitality furnishings.

Hemmera presents itself as a place to find products for new home and garden projects, with advice and tips promoted on the site.