Shares & Saves. Save. The British thermal unit, or BTU, is a unit of energy, one that is used to quantify the heating and cooling power of, water heaters, air conditioners and similar equipment.hares & Saves. Save. The British thermal unit, or BTU, is a unit of energy, one that is used to quantify the heating and cooling power of, water heaters, air conditioners and similar equipment.
Winter squash includes acorn squash, spaghetti squash, butternut squash, delicata squash, hubbard squash, kabocha squash, turban squash, sweet dumpling squash, and of course all types of pumpkins. Prepared winter squash also freezes well and keeps for about 6-8 months in the freezer.
Winter squash, such as Hubbard, acorn or butternut requires a longer growing season, typically between 80 and 120 days, while summer squash, such as yellow crook neck, zucchini or patty pan requires one third to one half of that time.