Air sealing services
Chisholm's older wood-frame homes have accumulated air leaks at every pipe penetration, wire chase, and framing joint over 80 to 100 years of settling and seasonal movement. Comprehensive air sealing closes those gaps before any insulation is added - which is what makes the difference between an upgrade that actually cuts your heating bill and one that barely moves the needle in a climate that drops to -20 degrees Fahrenheit.
