The whole house, winter and summer, in one book. 201 fixes for the furnace, the ducts and the air conditioner, in plain English, each with what you need, what it costs you, and when to call somebody with a license. Included: the full guide (PDF, 135 pages), the Large-Print Edition, the No-Heat and No-Cool Charts, What to Say in the Driveway, cards for the furnace door and the panel, and the Winter Ledger. Free updates. 7-day refund. Homeowner education, not licensed contracting or electrical advice.