Across
- 3. Heat-retaining pink fluff
- 6. Heater's air cleaners [change monthly]
- 11. Putty-like draft sealer
- 12. Fireplace sealer [close it]
- 15. Backup power source
- 16. Needs blue fire [get checkup]
- 17. Soot cleaner, a la Mary Poppins
- 18. What a pane! [hang them]
- 19. Indoor water lines [wrap them]
Down
- 1. Frosty's tool
- 2. Umbrella, table, chaise, etc. [stow them]
- 4. Roof material [fix loose ones]
- 5. Whitman's were "Grass" [rake them]
- 6. Cut the "cord"
- 7. Clockwise in winter, reverse in summer
- 8. Programmable is smart [install it]
- 9. Fire sniffer [change batteries]
- 10. Linus' favorite accessory
- 13. Garden irrigators [drain them]
- 14. Roof's water diverters [clean them]
- 16. Outdoor taps [shut them off]
- 18. Basement's eerie canal