> and while using large windows to capture sunlight and heat works great in the winter, it also leads to overheating in the summer and thus more energy for air

> and while using large windows to capture sunlight and heat works great in the winter, it also leads to overheating in the summer and thus more energy for air conditioning. A lot of contemporary energy-efficient designs slope the windows now such that light can enter in the winter but not the summer, but in the past this problem would have been remedied with awnings.