If your house is for sale in summer, run the air conditioner. If it's 90 degrees inside, buyers will pay more attention to the temperature than to the attractive features of the house.
A problem for those in northern climates is the constant hassle of moving tools from garage to basement in the fall and back again in spring. Newer roll-away storage chests, project centers, utility carts, and wheeled tool boxes provide portable storage to make the job easy. Rolling tool carts with extendable handles like carry-on luggage also let you divide tools according to the project and wheel right to the job.