Across
- 3. it carries off waste water
- 5. they are outside the house to tally the amount of electricity used
- 6. a container for rainwater
- 8. organic elements that can be converted into fuel
- 9. it transports hot or cold air around the house
- 11. a system for keeping a building warm
- 12. when you spend less money than expected
Down
- 1. a device to heat rooms
- 2. synonym for tubes
- 4. it can be in your kitchen above the stove or in the bathroom
- 7. where you put your phone to charge
- 9. application of digital technology to home life
- 10. an artificial conduct to carry away waste water or refuse