For the last few years, much of the focus on cold climate heat pump (CCHP) technology has centered on air-source ducted systems, which are designed to deliver efficient, comfortable heating, even in ...

The United States is divided into 13 different plant hardiness zones, each with "A" and "B" subdivisions. This is a number assigned to a plant that tells you how cold of a temperature the plant can ...

Air-source heat pumps can maintain an average coefficient of performance (COP) of between 2 and 3 in various mild cold climates, scientists from the UK's Oxford University and NGO Regulatory ...

If you garden in a colder climate, you know that compromises are part of the game. So, finding a tree that grows fast, thrives in the cold, and still offers splendid colors might seem like an ...