Dear Jim: My children have finished school and left, so I want to remodel for more openness and energy efficiency. I plan to knock out some walls and add ceiling box beams. How can I install the box ...

Dear James: We are empty-nesters and plan to combine rooms for a more open floor plan. Box beans would look nice for some separation. What are some tips for adding box beams to the ceiling? -- Nick K.

This month the cost and research departments of Mott Green Wall and Davis Langdon & Everest examine the costs and specification of chilled ceilings and beams in collaboration with specialists Trox and ...