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Popular with Finns since the time of the Roman Empire, these retreats have found a new popularity in U.S. health clubs and homes. Here’s how to select and install one.
With their sudden popularity, the shiny sheets have spawned equal measures of marketing hype and scientific research. Here’s how the claims reckon with the facts.
Low-e, suspended films, argon gas, etc. make sorting through manufacturers’ claims harder than ever. Find out what high-performance glass is right for you.