The HVAC Settings You Should Change Before Leaving for Vacation
A well-deserved vacation is meant to be relaxing—but nothing ruins a getaway like returning home to an HVAC issue or a shockingly high energy bill. Whether you’re leaving for a weekend or several weeks, setting your HVAC system properly before heading out can protect your home, save money, and give you peace of mind while you’re away.
At Lake Michigan Heating, Cooling & Plumbing, we help homeowners make smart, energy-efficient choices all year long. Here’s what you need to know before locking up and hitting the road.
Why Your HVAC System Needs Vacation Prep
Your HVAC system is one of the biggest energy consumers in your home. When no one is home, there’s no need to maintain your usual comfort settings. But shutting it off completely isn’t always wise—it could lead to issues like frozen pipes in winter or excess humidity in summer. The key is adjusting your system to maintain efficiency, protect your home, and reduce unnecessary wear.
1. Adjust the Thermostat – But Don’t Turn It Off
One of the most important steps is changing your thermostat settings.
- In summer, set your thermostat to around 85°F. This prevents your air conditioning from working overtime while still protecting your home from excessive heat and humidity buildup.
- In winter, lower your thermostat to about 55°F. This keeps the temperature above freezing to avoid frozen pipes and structural damage.
If you have pets, plants, or electronics that are sensitive to extreme temperatures, you may need to set it slightly higher or lower.
Pro Tip: If you have a smart thermostat, program vacation mode or set a schedule to return to your preferred temperature before you arrive back. Not sure how? We can help you upgrade and program your thermostat before your next trip.
2. Change Your HVAC Filter
Before you leave, check your air filter. A clogged or dirty filter restricts airflow and forces your system to work harder—even if it’s running less often.
A fresh filter:
- Improves air quality
- Helps your system run more efficiently
- Reduces the risk of mechanical issues while you’re away
This is a simple DIY task, but if your system hasn’t had a tune-up recently, schedule a quick HVAC inspection before your trip.
3. Set Fan to “Auto” Instead of “On”
Your thermostat fan has two settings: “On” and “Auto.” When set to “On,” the fan runs constantly—even when heating or cooling isn’t needed. This wastes energy and wears out your blower motor.
Instead, switch the fan to “Auto.” This way, it will only run when the system is actively heating or cooling, saving you energy while you’re away.
4. Close Windows, Doors, and Curtains
Prevent heat gain in the summer and heat loss in the winter by:
- Closing all windows and exterior doors securely
- Drawing shades or blackout curtains to reduce solar gain or keep warmth inside
Doing this not only helps your HVAC system maintain a consistent temperature, it also improves security by keeping your home less visible from the outside.
5. Use a Smart Thermostat for Real-Time Monitoring
Smart thermostats are a game-changer for travelers. Many models allow remote monitoring and alerts via smartphone. If temperatures spike or your system malfunctions, you’ll know immediately—no surprises when you get home.
Benefits of smart thermostats:
- Control your system remotely
- Receive maintenance reminders and alerts
- Track energy usage while you’re away
Need help picking or installing the right one? Explore your options here.
6. Check for Drafts or Leaks Before You Go
Small air leaks can cause your system to work overtime while you’re gone. Before you leave, do a quick check of:
- Window seals
- Door weather stripping
- Attic access points
- Basement or crawlspace openings
Sealing up gaps helps keep your home insulated and your HVAC system running efficiently. For a more thorough assessment, our team offers energy-efficiency evaluations.
7. Shut Off Other Appliances and Systems
While your HVAC should stay on in vacation mode, consider shutting off or adjusting:
- Water heaters: Many models have a “vacation” setting.
- Ceiling fans: Turn them off if no one is home.
- Whole-house humidifiers or dehumidifiers: Depending on the season, adjust humidity controls to prevent mold or overly dry air.
Need help setting your home’s humidity levels while you’re away? We install whole-home humidifiers and dehumidifiers designed for optimal seasonal control.
8. Schedule Preventive Maintenance Before You Leave
Routine maintenance is the best defense against vacation surprises. A quick HVAC check-up ensures your system is working efficiently, filters are clean, and all parts are in good condition.
Our maintenance plans include seasonal tune-ups, priority service, and peace of mind for homeowners who travel often.
Final Thoughts
Your vacation should be a time to relax—not worry about what’s happening at home. By adjusting your HVAC system properly before you leave, you can reduce energy use, avoid expensive issues, and return to a comfortable home.
Need help preparing your home before you leave town? Lake Michigan Heating, Cooling & Plumbing can inspect your system, install smart thermostats, seal ducts, and ensure your HVAC setup is vacation-ready.
Get ahead of your next trip.
Schedule service or contact us for a free consultation before you pack your bags.