Preparing a home for winter does not always require expensive upgrades. A systematic check of drafts, heating equipment, filters, and basic safety can improve comfort and help prevent avoidable energy waste. The best priorities depend on your climate, the age of your home, and the type of heating system you use.
Find and reduce drafts
On a cool, windy day, check around doors, windows, attic hatches, and utility penetrations for noticeable drafts. Replace worn weatherstripping and use suitable caulk for small stationary gaps. Do not block required ventilation, combustion-air openings, or pathways needed for safe operation of fuel-burning appliances. If you rent, document problems and ask the property owner about repairs.
Check the heating system
- Inspect the air filter and replace it according to the equipment manufacturer’s instructions.
- Keep supply and return vents clear of furniture, rugs, and stored items.
- Schedule professional maintenance when recommended, especially if the system is noisy, struggles to heat, or has not been serviced in a long time.
- Learn how to shut the system down safely and whom to call if you smell gas or suspect a carbon-monoxide problem.
Use a practical thermostat schedule
Set temperatures around your actual routine, with reasonable setbacks when the home is empty or everyone is asleep. Avoid settings that could put occupants, pets, or plumbing at risk. A smart thermostat can help automate a schedule, but savings vary with weather, insulation, equipment, and household habits. For more, read our smart thermostat settings guide.
Protect plumbing and outdoor equipment
Know where the main water shutoff is located. Insulate exposed pipes in vulnerable areas using suitable materials, and follow local guidance during severe cold. Disconnect and store garden hoses where appropriate, and use the manufacturer’s instructions for outdoor faucets and irrigation systems. If pipes freeze, avoid open flames; contact a qualified plumber if you cannot safely address the issue.
Keep heating safe
Install and test smoke alarms and carbon-monoxide alarms according to their instructions and local requirements. Never use an outdoor grill, generator, or fuel-burning camp stove indoors or in a garage. Keep portable heaters away from curtains and bedding, place them on a stable surface, and follow the manufacturer’s clearance and electrical guidance.
Look for assistance before buying major equipment
Review your utility’s energy audit programs, rebates, and weatherization assistance before paying for large improvements. The U.S. Department of Energy’s weatherization resources explain common efficiency improvements. Compare quotes and verify contractor credentials before authorizing work.
Start with safety, then address the biggest drafts and maintenance needs. A short checklist now can make winter more comfortable without promising a particular bill reduction.



