Lightweight, durable and warm, the best puffer jackets keep the cold at bay. Here are the top options from Arc'teryx, Rab, Cotopaxi, REI and others based on testing.

He said, "it's going yo have a low-e coating, that's a silver nitrate that helps deflect solar and UV gain through the glass, an argon fill or another type of gas between the panes of glass that acts ...

When it comes to finding solutions that actually work, does secondary glazing film reduce condensation? Every year, ...

If you're looking for some blackout curtain alternatives that won't break the bank, you're in luck, there are plenty to ...

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

From radiators to log-burners, solutions are often expensive and, failing that, ineffective – particularly if you live in an ...