Shopping for a new HVAC system involves more than price. Learn how to choose the right unit and vet contractors.

Having air conditioning at home is a luxury that keeps people comfortable during the hottest months of the year, and it’s debated whether the AC should stay blasting or be turned off when people head ...

New research suggests heavy air-conditioning use may weaken public support for long-term climate solutions in cities.

Most people running a heater through winter have little idea what it actually costs per hour, or how sharply that figure ...

Unlike window air conditioners, portable air conditioners roll easily from room to room and take only minutes to set up—no ...