Open-cell insulation costs between $.41 and ... With respect to the part of the house being insulated, attics typically cost the least and basements tend to be the priciest.

Several insulation solutions are designed to fill in gaps in specific parts of a house, and a common type is blown-in insulation. Less expensive than some other types, it is also easier to add than ...

Cost: $300 (attic insulation), $23 per 4' x 8' board (solar sheathing), $4,000 (new roof), $600 (whole-house fan), $570 (whole-house heater), $1,450 (two skylights) After $18,500 in rebates and ...

It includes things like insulation and drywall ... Construction accounts for the main cost in building a new house at 64%, followed by the finished lot cost, which is 13.7% of the total sale ...