"Late Night with David Letterman" premiered on this date in 1982. With David in mind, from the home office in Pittsburg, California, we bring you The Carey Brothers Top-10 Weatherization Tips.

10. Caulk windows, doors and cracks in siding or stucco.

9. Weather-strip windows, doors and thresholds.

8. Seal gaps around plumbing and electrical penetrations with foam in a can.

7. Install foam gaskets in electrical switches and outlets.

6. Add a water-heater blanket.

5. Insulate hot- and cold-water lines.

4. Put aluminum foil behind steam radiators to bounce heat into the room.

3. Install lined drapes or dense window coverings.

2. Close fireplace dampers, when not in use.

And the tip you've been waiting for, the household coup de grace, numbero uno:

1. Install a setback thermostat.

And that's the On The House tip for today.