Leaving for the Holidays? An HVAC Expert Shares the Right Way to Set Your Heat

Calvoire

November 18, 2025

While it may be tempting to show your warmth off if you depart city for the vacations, it may not be your best option. Even although you may avoid wasting cash on utility payments, turning your warmth off can depart your private home vulnerable to break, particularly within the occasion of freezing temperatures.

Below, we’ve requested an HVAC skilled whether or not you must depart your warmth on whilst you’re away for the vacations. Plus, they supplied further suggestions that can assist you defend your private home whereas additionally reducing your utility invoice.

Should You Turn Your Heat Off When You Leave Town?

The quick reply isn’t any, you should not flip your warmth off if you depart your private home. Doing so can result in frozen and burst pipes within the occasion of freezing temperatures, which might wreak havoc on your private home that may probably go unnoticed till you come.

To forestall frozen pipes and the ensuing water harm with out losing power, Josh Mitchell, an HVAC technician and proprietor of Air Conditioner Lab, recommends leaving your warmth on however reducing the set temperature.

What Temperature Should You Set Your Thermostat To?

To get monetary savings and defend your private home, we requested Mitchell what the bottom protected temperature you possibly can set your thermostat to within the winter is. “Set your thermostat to round 55°F,” Mitchell recommends. “It does not should be comfy, simply heat sufficient to forestall frozen pipes and defend your HVAC system.”

He says this temperature is heat sufficient to guard pipes from freezing, whether or not within the partitions, attic, or the basement, but it surely’s low sufficient to scale back your utilities whilst you’re away. However, should you’re tempted to set your thermostat even decrease to additional scale back your power prices, Mitchell warns towards doing so.

“Once you dip into the low 50s or higher 40s, you enhance the chance of frozen water in hidden plumbing runs that don’t obtain a lot airflow,” he explains.

Utilize Specific Thermostat Settings

Beyond merely reducing the temperature in your thermostat, adjusting different settings can assist defend your private home and scale back power prices whilst you’re away. Mitchell advises utilizing the thermostat’s “maintain” or “trip” modes, if outfitted. These settings forestall the unit from elevating your private home’s temperature as a result of a set schedule.

“You also can swap the fan setting from ‘auto’ to ‘on’ for a couple of minutes earlier than you allow to flow into air evenly, particularly if your private home has rooms that keep cooler than others,” Mitchell recommends.

A sensible thermostat may be managed to keep up a decrease temperature whilst you’re away, then heat the home on a schedule, so it is heat upon you are arrival. Some good thermostats may even be monitored and managed by way of your smartphone, no matter your location.

Potential Energy Savings

While you will not be capable of deliver your utility invoice to zero by adjusting your thermostat, Mitchell says the financial savings can add up, relying on how lengthy you are away.

“If you decrease your thermostat from 68°F to 55°F whilst you’re gone for per week, it can save you about 10% to fifteen% in your heating invoice. That’s round $20 to $30 in financial savings for a mean house with a $200 winter heating invoice,” he explains.

Tips for Protecting Your Home and Saving Energy While Away

Follow these tricks to save power and cash whilst you’re away, with out placing your private home vulnerable to harm.

  • Ask a neighbor to keep watch over issues. “If you’re planning to be away for greater than per week or reside someplace vulnerable to chilly snaps, I like to recommend asking a neighbor or member of the family to examine your home whilst you’re gone,” Mitchell recommends. “Even simply confirming that the warmth remains to be operating and the taps are nonetheless flowing usually can forestall harm.”
  • Open cupboard doorways. Opening cupboard doorways beneath sinks, particularly these on exterior partitions, will permit heat air to succeed in the plumbing and forestall pipes from freezing.
  • Close the curtains. Closing the curtains whilst you’re away not solely retains curious eyes from peeking inside your private home, but it surely additionally has the added benefit of retaining warmth inside, particularly when you’ve got drafty home windows. This can scale back the period of time your heater spends actively heating the area, thus saving you power and cash.

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