The AGA is a range cooker invented in 1922 by Gustaf Dalén. It was first sold in the United Kingdom in 1929, and since 1957 most production has been in the UK. Its maker says the cooker “was designed to last for decades.”
In 2009, a competition to find the oldest working AGA was won by a cooker installed in 1932. The company also sells reconditioned AGAs. Its buying guide notes that one “may already be over 30 years old.”