An air conditioner can only do so much when heat continuously enters the building or conditioned air escapes. Insulation helps the property hold the comfort the HVAC system works to create.
When insulation may be part of the problem
Rooms that stay hotter than the rest of the home, large temperature swings and an HVAC system that seems to run constantly can all justify a closer look at the building envelope. The right answer may involve insulation, airflow or both.
Start with the building, not a generic package
Every attic, wall assembly and commercial space is different. Trinity begins by considering the property and the comfort problem, then discusses the insulation work that fits the actual conditions.