IA Collaborative Kelvin Home Coffee Roaster allows user to roast bean according to their choice, as buying raw coffee beans is cost-effective than ready to make coffee beans
Harvesting and roasting beans from coffee trees is challenging. IA Collaborative Kelvin Home Coffee Roaster helps in roasting raw coffee beans. Currently featured in a Kickstarter campaign, user can pledge funds for the Kelvin roaster with one to six pounds of unroasted coffee beans. Estimated delivery is December in the U.S., February 2019 for international pledges. The Kelvin Kickstarter page quotes unroasted coffee bean prices at US$ 6 per pound and roasted beans at US$ 15 per pound.
The Kelvin Home Coffee Roaster operates by a vortex-drive bottom-up roasting process it claims results in an especially even roast. The recommended batch size of 100-120 grams of green coffee beans (3.5 to 4.2 ounces) allows for four to six cups of coffee. After roasting, beans are allowed to cool down, then roasted beans are grind to make fresh coffee powder. The roast time can be set by simply turning the control knob and pushing the start button. User can also add or remove time mid-roast to personalize flavor.
Shelf life of coffee beans is a major factor between raw and roasted coffee beans. According to the National Coffee Association, roasted coffee beans are susceptible to are air, moisture, heat, and light. They are lose their freshness when first exposed to air. Furthermore, raw coffee beans if stored in a cool, dry location have longer shelf life. Kelvin coffee roster allows user to custom roast fresh beans, explore new flavors, and reduce waste. It helps to unlock advantages of home coffee roasting for even the most novice coffee drinker.