A person can burn about 300 to 400 calories in two hours doing moderate housecleaning activities, such as mopping, sweeping and vacuuming, according to WebMD. For light housecleaning, such as dusting, the calorie count is 120 to 170 calories per hour.
For heavy cleaning, such as washing windows, the calorie count is 175 to 250 calories per hour. WebMD also mentions that factors such as individual size, age and fat or muscle content affect the amount of calories burned. A person who weighs more or has more lean muscle burns more calories. A younger person generally burns more calories than an older person.