Setting your home thermostat between 55°F and 60°F during winter absences helps prevent freezing pipes and saves energy efficiently.
Balancing Comfort and Safety: The Ideal Winter Away Temperature
Leaving your house unoccupied in winter poses a tricky challenge: how to keep it safe from cold damage without wasting energy. Setting the thermostat too low risks frozen pipes, while too high wastes money. The sweet spot generally falls between 55°F and 60°F (13°C to 16°C). This range keeps indoor temperatures well above freezing in most homes, protecting plumbing and structural elements, yet avoids the cost of heating an empty home extensively.
Homes with older plumbing, exposed pipes, crawl spaces, drafty basements, or poor insulation may require a slightly warmer setting on the thermostat to ensure pipes don’t freeze. Meanwhile, newer homes with modern materials and insulated piping can often tolerate the lower end of this range safely. Understanding your home’s unique characteristics is key to selecting the right temperature when you’re away during winter months.
Why Not Turn Off the Heat Completely?
Shutting off your heating system entirely might seem like the most cost-effective option, but it’s a gamble in cold climates. Water pipes are vulnerable to freezing when indoor temperatures drop below 32°F (0°C), especially when pipes are located along exterior walls, in garages, basements, crawl spaces, or other poorly heated areas. Frozen pipes can burst, causing extensive water damage and costly repairs that far outweigh any energy savings from turning off heat. Official winter-prep guidance also recommends that homeowners set the thermostat no lower than 55 degrees to prevent pipes from freezing.
Even if you drain water lines or shut off the main water supply before leaving, residual moisture in pipes, traps, toilets, or appliances like dishwashers and washing machines can still freeze if the home gets cold enough. Maintaining a minimum temperature reduces these risks. Keeping some heat also helps limit extreme cold spots inside the home, which can contribute to condensation issues when warmer indoor air meets very cold surfaces.
Energy Savings vs. Risk Management
The decision isn’t just about money but managing risk effectively. Energy-efficient thermostats or smart home systems allow you to program temperature setbacks without sacrificing safety. For example, setting the thermostat to maintain 55°F while you’re away but warming up to 68°F shortly before returning strikes a practical balance between savings and comfort on arrival.
The U.S. Department of Energy notes that homeowners can save energy by setting the thermostat lower while asleep or away from home, and programmable thermostats can store and repeat multiple daily settings to make that process easier. Many utility companies also offer guidelines or rebates for programmable or smart thermostats that optimize energy use during absences, making it easier than ever to protect your home without breaking the bank.
The Role of Home Insulation and Heating Systems
How well your home retains heat plays a significant role in determining the exact temperature setting needed during winter absences.
- Insulation Quality: Well-insulated homes lose less heat, meaning maintaining 55°F is often sufficient.
- Heating System Type: Homes with forced-air systems may distribute heat unevenly; radiant heating systems can retain warmth longer.
- Window Efficiency: Double-glazed or storm windows reduce drafts and heat loss substantially.
If your house lacks proper insulation, has drafty windows, or contains plumbing near exterior walls, consider raising the thermostat slightly above 55°F or improving insulation before leaving for extended periods.
Additional Precautions for Pipe Protection
Besides thermostat settings, other steps help safeguard against frozen pipes:
- Open cabinet doors under sinks to allow warm air circulation around plumbing.
- Drip faucets slowly during severe cold spells, which keeps water moving and reduces freezing risk.
- Seal gaps around doors, windows, and foundation cracks where cold air can enter.
Combining these tactics with an appropriate temperature setting creates a stronger defense against winter damage.
The Cost Implications of Different Thermostat Settings
Heating an empty house wastes energy, but repairs from frozen pipe damage can cost far more. Exact heating costs vary by climate, home size, fuel type, insulation, thermostat setting, and local utility rates. Still, the general comparison below shows why homeowners often choose a moderate away temperature instead of turning the heat off completely.
| Thermostat Setting (°F) | Typical Energy Use Pattern | Pipes Freeze Risk & Repair Concern |
|---|---|---|
| 50°F (10°C) | Lower heating use, but may be too low for homes with exposed or poorly insulated pipes. | Higher risk in cold climates or drafty homes; burst-pipe repairs can become very expensive. |
| 55-60°F (13-16°C) | Moderate heating use while the house is empty. | Lower risk for most homes when paired with pipe protection steps. |
| 68-70°F (20-21°C) | Higher heating use while away. | Very low freeze risk, but usually unnecessary for an empty home unless pets, plants, or special conditions require it. |
This table highlights why maintaining at least 55°F is prudent—energy use remains more controlled while protecting your investment from expensive repairs.
The Impact of Smart Thermostats on Winter Away Settings
Smart thermostats revolutionize how homeowners manage their heating during absences. These devices make it easier to schedule lower away temperatures, monitor the home remotely, and raise the temperature before you return.
Features include:
- Remote control: Adjust temperatures from anywhere via smartphone apps.
- Geofencing: Detects when you leave or approach home to lower or raise heat accordingly.
- Zoned heating control: Heat only essential areas rather than the entire house, depending on the system.
- ECO modes: Automatically optimize settings based on weather, occupancy, or user preferences.
Using smart technology means you no longer have to guess what temperature is best while away—you can fine-tune settings dynamically based on actual needs.
Avoiding Common Mistakes When Setting Thermostats Away in Winter
Many homeowners make critical errors that lead to costly consequences:
- Lowering the thermostat too much: Pipes can freeze when vulnerable areas of the home fall below freezing.
- No backup power plan: Power outages during cold snaps can drop temperatures dangerously low if no backup heat or monitoring exists.
- No monitoring system: Without alerts, remote access, or a trusted person checking the home, problems may go unnoticed until severe damage occurs.
- Inefficient heating zones: Leaving heat off in critical areas like basements, crawl spaces, or utility rooms where pipes run increases risk substantially.
Avoiding these pitfalls ensures your winter absence doesn’t turn into an expensive disaster.
The Role of Humidity Control While Away
Maintaining moderate indoor humidity can help protect wooden furniture, flooring, trim, and musical instruments from excessive dryness. At the same time, humidity that gets too high can encourage condensation on cold surfaces, especially windows and exterior walls.
A practical indoor humidity range is often around 30%-50%, but during very cold weather, some homes may need to stay on the lower side of that range to reduce window condensation. Heating systems tend to dry out air during winter; if possible, use humidity control carefully and have someone check the property periodically during long absences.
The Best Practices Summary for What Temperature To Keep House In Winter When Away?
Here’s a quick reference checklist:
- Maintain thermostat between 55-60°F (13-16°C).
- If poorly insulated areas or older plumbing exists, lean toward the higher end of the range.
- Avoid turning off heat completely unless water lines are properly shut off and drained, and the home is prepared for freezing conditions.
- Use smart thermostats for remote control and scheduling flexibility.
- Seal drafty windows/doors and open cabinet doors near plumbing.
- If possible, drip faucets slowly during severe cold spells.
- Create contingency plans for power outages with backup heat, generators, alerts, or a trusted person checking the home.
- If humidity control is possible, maintain moderate levels inside the house and watch for condensation.
- If pets remain in the home, choose a temperature that keeps them safe and comfortable, not just the lowest pipe-safe setting.
Following these guidelines minimizes risks while maximizing energy savings during winter absences.
Key Takeaways: What Temperature To Keep House In Winter When Away?
➤ Set thermostat to 55°F–60°F to help prevent pipe freezing.
➤ Lower temperature saves energy but avoids extreme cold.
➤ Use smart thermostats for remote temperature control.
➤ Seal windows and doors to maintain warmth efficiently.
➤ Consider pet needs if animals stay during absence.
Frequently Asked Questions
What temperature should I keep my house in winter when away?
Set your thermostat between 55°F and 60°F when you’re away during winter. This range helps prevent frozen pipes while saving energy by not heating the home excessively.
Why is keeping the house temperature between 55°F and 60°F important when away in winter?
Maintaining this temperature range protects plumbing from freezing and avoids costly water damage. It also reduces energy waste compared to higher heating settings.
Can I turn off the heat completely when away in winter?
Turning off heat entirely is risky because indoor temperatures can drop below freezing, causing pipes to burst. Keeping a minimum temperature helps prevent such damage and limits cold-related problems inside the home.
How does home insulation affect the ideal temperature to keep the house in winter when away?
Well-insulated homes can often maintain the lower end of the 55°F to 60°F range. Poor insulation, drafty spaces, exterior-wall plumbing, or older pipes may require slightly warmer settings to reduce freezing risk.
Are programmable thermostats helpful for setting house temperature in winter when away?
Yes, programmable thermostats allow you to maintain safe temperatures while saving energy. You can keep it around 55°F during absence and warm it up before returning for comfort.
Conclusion – What Temperature To Keep House In Winter When Away?
Choosing what temperature to keep your house in winter when away boils down to protecting your property without wasting resources. A steady range of 55°F to 60°F generally hits this mark perfectly—warm enough to help prevent freezing pipes yet cool enough to save on heating bills. Pair this with smart technology for remote adjustments and simple preventive measures like sealing drafts or opening cabinet doors near plumbing. This approach safeguards your home efficiently through harsh winters so you return worry-free—and cozy warm—every time.
References & Sources
- Michigan State Police, Emergency Management and Homeland Security Division. “Preventing Frozen Pipes.” Supports the recommendation to keep the thermostat no lower than 55°F and use additional pipe-protection steps during cold weather.
- U.S. Department of Energy. “Programmable Thermostats.” Explains how thermostat setbacks and programmable thermostats can help reduce heating and cooling energy use.