11. The windows were screen-free, and all cooking and heating came from open fireplaces . 12. There was a Mythbusters episode that demonstrated this cooling effect of an open fireplace very elegantly. 13. Inside, there is an open fireplace in the basement and a hand pump by the door. 14. Near the entrance to the Ziegelhof is a small bakery with an 18th-century open fireplace . 15. The hut has been restored to its original livery, with an earthen floor and an open fireplace . 16. Cooking was done over the open fireplace and the family would also partake their meals in this building. 17. Closer to our time, we've got evidence of colonial cooks doing the same in open fireplaces . 18. This yard was essentially to serve the needs of the large number of open fireplaces in the school buildings. 19. Faherty's body had been found lying on his back with his head closest to an open fireplace . 20. Open fireplaces are cheapest, and fireplace inserts and high chimneys ( three stories or more ) bring higher fees.