One thing I can promise you, even if it's not 2x4 construction, those brick and plaster walls will turn a house into an oven over the summer even with judicious control of open windows. They just store up the heat for a night time that feels like noon day sun. Folks used to straight up sleep on their porches.
Signed,
A resident of an un-air conditioned brick and plaster house in the mid Atlantic currently sweating his balls off