How Can I Lower My Heating Bill This Winter? 10 HVAC Tips for Northern Virginia Homeowners

Ten tips that actually lower a Northern Virginia heating bill

Winter heating is one of the biggest energy expenses for Northern Virginia homeowners — but a handful of smart HVAC moves can meaningfully cut your Dominion Energy bill without sacrificing comfort. Here are ten proven, educational tips for Fairfax and across Northern Virginia.

• ✓
  1. Set your thermostat to an efficient temperatureThe U.S. Department of Energy recommends about 68°F when you're home and awake, and lower while you're asleep or away. Every degree you lower it over the winter reduces your heating energy use.
• ✓
  2. Use thermostat setback schedulingTurning the temperature down while you're away or asleep saves roughly 1% on heating costs per degree, for each 8-hour setback period. Heat pump exception: use gentle setbacks, not deep ones.
• ✓
  3. Install a smart or programmable thermostatAutomates setbacks, learns your schedule, adjusts with geofencing, and can enroll in Dominion Energy demand-response programs for additional savings.
• ✓
  4. Change your air filter regularlyA clogged filter makes your furnace or heat pump work harder and longer, driving up your bill. Check monthly and replace every 30–90 days.
• ✓
  5. Get a professional fall heating tune-upA well-maintained furnace or heat pump runs at its rated efficiency; a neglected one quietly wastes energy all winter and risks a mid-winter breakdown.
• ✓
  6. Seal your ductworkLeaky ducts lose 20–30% of heated air before it reaches your rooms. Professional duct sealing is one of the highest-return upgrades a Northern Virginia home can make.
• ✓
  7. Improve your attic insulationHeat escapes upward, and inadequate attic insulation lets it leave the house. Adding insulation often pays back faster than any equipment upgrade.
• ✓
  8. Seal drafts around doors and windowsWeatherstripping and sealing gaps stops you from paying to heat air that leaks straight outside — a cheap, high-impact fix.
• ✓
  9. Use free solar heat and your ceiling fansOpen south-facing blinds on sunny winter days for free warmth and close them at night to trap heat. Run ceiling fans clockwise on low to push warm air down from the ceiling.
• ✓
  10. Consider a high-efficiency heat pumpIf your system is aging, a modern cold-climate heat pump heats far more efficiently than old equipment — and the federal 25C tax credit plus Dominion rebates offset the upgrade.

The heat pump exception that trips people up

If your home is heated by a heat pump, deep setbacks can backfire. A large temperature swing forces the system to recover using expensive electric auxiliary (backup) heat — and that recovery cost can erase the savings you were chasing. Use gentle setbacks of a few degrees instead, and let the heat pump do what it does best: run long, steady, efficient cycles.

The biggest winter savings for most Northern Virginia homes

For most Northern Virginia homes, the highest-impact moves are thermostat setback scheduling, duct sealing, and attic insulation — typically bigger savings than any single thermostat tweak alone. Equipment settings help; the building envelope is where the real money hides.

Frequently Asked Questions