How to Lower Your Energy Bill This Winter in Kentucky
Practical steps to reduce heating costs in Lexington — HVAC efficiency, thermostat settings, insulation, and maintenance tips.

Kentucky winters mean 4-5 months of heating bills. The biggest opportunities to reduce those bills are maintenance (keeping the system efficient), thermostat management (not heating an empty house), and building envelope improvements (keeping the heat you produce inside). Most Lexington homeowners can cut winter heating costs 10-25% with no major investment.
The highest-impact changes
Start with these:
- Replace the HVAC filter — a clogged filter is the #1 efficiency killer
- Set the thermostat to 68°F when home, 60°F when away or sleeping
- Schedule a professional furnace tune-up if you have not had one this year
- Seal air leaks around windows, doors, and electrical outlets
- Add weatherstripping to exterior doors
- Insulate exposed ductwork in attics and crawl spaces
Smart thermostat savings
A programmable thermostat automates temperature setbacks and can save 10-15% on heating. If your household schedule is consistent, this is one of the easiest upgrades. Many models integrate with heat pump systems for optimized dual-fuel switching.
What to do next
For a furnace tune-up or efficiency evaluation, contact us or call 859.457.0426. Cool & Cozy Club members get two included inspections and repair discounts.
Frequently Asked Questions
- What temperature should I set my thermostat in winter to save money?
- Setting the thermostat to 68°F when home and 60-62°F when sleeping or away saves 10-15% on heating costs without sacrificing comfort. A programmable or smart thermostat automates the schedule.
- Does a dirty filter increase my heating bill?
- Yes. A clogged filter forces the furnace to work harder and run longer to maintain temperature, directly increasing gas and electric consumption. Replacing the filter every 30-90 days is the cheapest way to improve efficiency.
- Will a furnace tune-up lower my heating bill?
- A professional tune-up restores the furnace to peak efficiency by cleaning burners, checking gas pressure, and verifying airflow — typically saving 5-15% on heating costs compared to an unmaintained system.
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