The shape of airplane windows might seem arbitrary, but there’s actually a somber reason behind their design, according to ...

Cranking up the air conditioner is one way to keep buildings cool, but it guzzles energy. Passive materials can regulate ...

Window insulation kits feel like an affordable way to keep it at bay, but do they actually work?Here, we spoke to HVAC pros ...

From a 15th-century thatched house in England to a ski cabin in Canada, our latest lookbook collects eight cottages with ...