Usually, your window is the most common culprit of a cold and drafty space. About 30% of a home’s heating energy is lost ...

Help is at hand though courtesy of [petey53], who made his own ground source heat pump for his Toronto house using a pair of window-mounted air conditioning units. A custom copper “trombone ...

Unlike window units, mini-split systems are permanent ... It has 4-in-1 functionality, working as an air conditioner, heater, dehumidifier, and fan, and it operates at just 34 decibels, making ...

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