Isolation is a block, that you unlock after Solar cells.

At it's base upgrade, it increases nearby cell's heat output by 5%, for a cost of $50,000 you can increase this increase by an additional 5%.

Every upgrade costs 10x more than the last, so 50k, 500k, 5m.

Despite what you may think, the upgrades increase it's multiplier by 5% every upgrade, not +100% like, 5%, 10%, 20%, 40%. Instead it's 5%, 10%, 15%, 20%.


Example of using Isolation.