3. Replace the Furnace Filter

Most uneven heating starts with a clogged filter:
- A dirty filter chokes airflow, so distant rooms get less warm air.
- During winter, plan to change it about once a month, especially if:
- You have pets
- You live in a dusty area
- The furnace runs a lot
It’s cheap, fast, and often fixes “weak heat” all by itself.
4. Keep Radiators Clear

If you have hot-water or steam radiators:
- Don’t park sofas, beds, or big furniture right in front of them.
- Avoid draping clothes, blankets or towels over them – that traps heat and is a fire risk.
- If they’re ugly, consider a radiator cover with lots of open slats so air can still move.
Radiators work by heating air that rises – if air can’t move, you’re just heating metal.
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