Doing laundry is one of those chores that looks harmless until the utility bill arrives wearing tap shoes. A washer here, a dryer there, one “emergency” load of socks at 6 p.m., and suddenly your laundry room has quietly auditioned for the role of most expensive room in the house.

So, what is the cheapest time to do laundry? According to energy professionals, utility guidance, and laundry experts, the best time is usually during off-peak electricity hours: late at night, early in the morning, and often on weekends. For many U.S. households on time-of-use electricity plans, that means doing laundry after 9 p.m., before 7 or 8 a.m., or on weekends. The most expensive time is commonly late afternoon through evening, especially around 4 p.m. to 9 p.m., when many people are cooking, cooling their homes, watching TV, charging devices, and generally making the power grid sweat.

But here is the sock-sized twist: the cheapest laundry schedule depends on your utility plan, your appliances, your climate, and whether you use an electric dryer. In other words, the cheapest time to wash clothes is not always a universal clock time. It is a strategy.

Why Laundry Timing Matters

Laundry uses energy in two big ways: heating water and drying clothes. The washer itself is not usually the main villain. The real bill-builders are hot water and heat drying. That is why pros often focus on three habits: washing during off-peak hours, using cold water, and drying smarter.

Many utilities offer time-of-use rates, also called TOU plans. Under these plans, electricity costs more when demand is high and less when demand is low. Peak periods often happen in the late afternoon and evening because homes and businesses are using power at the same time. When everyone gets home, turns on the air conditioner, starts dinner, runs appliances, and plugs in electronics, electricity demand climbs. Your washer and dryer may be small compared with the whole grid, but your bill does not care about your feelings.

For customers on flat-rate plans, laundry timing may not change the price per kilowatt-hour. However, it can still matter indirectly. Running a dryer during a hot afternoon can add heat and humidity to your home, making your air conditioner work harder. Running laundry when the house is cooler can help reduce that extra burden.

The Cheapest Time to Do Laundry

In most homes, the cheapest time to do laundry is during off-peak hours. A practical rule of thumb is:

• Best overall: late evening after 9 p.m., early morning before 7 or 8 a.m., and weekends.
• Usually worst: late afternoon to evening, especially 4 p.m. to 9 p.m.
• For solar households: midday may be cheaper if you can use your own solar production.
• For safety: avoid running the dryer while asleep or away from home.

That last point is important. Nighttime laundry can be cheaper, but experts do not recommend leaving a dryer running unattended while you sleep. The smarter approach is to wash clothes in the evening, then dry them while you are still awake, or use a delayed-start washer carefully so the cycle finishes when you are ready to move clothes to the dryer. Nobody wants to save 37 cents and pay for a musty towel rebellion.

How Off-Peak Laundry Works

Time-of-use rates reward flexible households

Time-of-use pricing is designed to encourage customers to shift energy-heavy chores away from high-demand windows. Laundry is a perfect candidate because it is usually flexible. Unlike dinner, which gets weird if you serve it at 2 a.m., towels can wait.

For example, many California utilities identify late afternoon and evening as higher-cost periods. Some plans put peak pricing around 4 p.m. to 9 p.m. In New York, certain time-of-use structures offer cheaper overnight and weekend electricity. In parts of Colorado, off-peak windows may begin after 9 p.m. and run through much of the following day, with weekdays from late afternoon to evening priced higher. The details vary, but the pattern is familiar: avoid the hours when everyone is using power at once.

Your utility is the boss of the clock

The cheapest time to run the washing machine is not decided by a national laundry council sitting around a conference table folding fitted sheets. It is decided by your local utility rate structure. Some utilities have two periods: peak and off-peak. Others use three: peak, off-peak, and super off-peak. Some change by season. Summer peak hours may differ from winter peak hours because air conditioning drives demand in hot months, while heating and morning routines may matter more in cold regions.

Before changing your routine, check your electric bill or utility account. Look for words like “time-of-use,” “TOU,” “off-peak,” “peak,” “super off-peak,” or “rate plan.” If your plan charges the same rate all day, then timing your laundry may not directly reduce the washer’s electricity cost. In that case, your biggest savings will come from cold water, full loads, shorter dryer time, and air drying.

The Worst Time to Do Laundry

The worst time to do laundry is typically during peak demand hours, especially late afternoon through evening. A common warning window is 4 p.m. to 9 p.m., though some areas may use slightly different hours, such as 5 p.m. to 8 p.m. or 3 p.m. to 7 p.m. If your utility charges higher rates during those periods, washing and drying clothes then can cost more than doing the same load later.

Peak-hour laundry is especially costly when you use an electric dryer. Dryers are among the more energy-hungry household appliances because they create heat. If your dryer runs while your air conditioner is already battling summer heat, your home may pay twice: once to dry the clothes and again to remove the extra heat from the house. That is not laundry. That is a tiny utility-bill ambush.

Washer vs. Dryer: Which Costs More?

The dryer usually costs more to run than the washer, especially if you wash in cold water. Modern washers can be fairly efficient, and ENERGY STAR certified clothes washers use less energy and water than standard models. The dryer, however, must produce heat and move air, which makes it a major part of laundry energy use.

That means the cheapest laundry routine is not just about when you press “start” on the washing machine. It is also about when and how you dry. A full washer load washed in cold water during off-peak hours is a great start. But if you then run three half-empty dryer cycles on high heat during peak pricing, the savings may quietly escape through the vent.

Cold Water Is the Unsung Hero of Cheap Laundry

If you only change one laundry habit, make it this: wash most clothes in cold water. Energy guidance consistently points out that water heating is one of the biggest energy costs in washing clothes. Cold water uses far less energy because the machine does not need to heat the water for the cycle.

Cold water works well for many everyday loads, including T-shirts, jeans, gym clothes, lightly worn office clothes, and most colors. It also helps protect fabrics from fading, shrinking, and wearing out too quickly. Your clothes get a longer life, your energy bill gets a break, and your favorite black shirt stays black instead of slowly becoming “sad charcoal.”

Warm or hot water still has a place. Use warmer settings for oily stains, heavily soiled items, certain towels, bedding used by someone who is sick, cloth diapers, or loads that need sanitizing. For regular laundry, though, cold water plus a good detergent is usually enough.

Full Loads Save More Than Tiny Loads

Another pro-approved way to reduce laundry costs is to wash full loads without overloading the machine. Small, frequent loads can waste water, detergent, and energy. The washer still has to run a complete cycle, and the dryer still has to heat up, even if you are only washing three shirts and one sock that apparently left its partner to pursue a solo career.

The goal is a balanced load. Fill the washer enough to make the cycle worthwhile, but leave room for clothes to move. Overloading can prevent proper cleaning, increase wrinkles, strain the machine, and leave detergent trapped in fabrics. For many front-load washers, leaving several inches of space at the top of the drum is a good practical guide.

The Best Laundry Schedule for Lower Bills

Option 1: Early morning laundry

Early morning can be a smart laundry window, especially before peak demand begins. If your off-peak rate runs until 7 or 8 a.m., starting a load right after waking up can help you finish before prices rise. This works well for people who are home in the morning or who can start the washer before breakfast.

Option 2: Late evening laundry

Late evening is one of the most common off-peak windows. If peak pricing ends at 8 or 9 p.m., that is often a good time to start washing. The trick is to avoid leaving wet clothes in the washer overnight. Wet laundry left too long can develop mildew odor, and once towels smell like a swamp with ambition, they are not shy about it.

Option 3: Weekend laundry

Many time-of-use plans make weekends cheaper than weekdays, sometimes offering off-peak pricing all day. If your schedule allows it, batching laundry on Saturday or Sunday can be convenient and cost-effective. The downside is that everyone else in your home may also discover this plan, creating a laundry-room traffic jam.

Option 4: Midday laundry for solar homes

If you have rooftop solar, the cheapest time may be midday, when your panels are producing the most electricity. This depends on your net metering rules, battery setup, and utility plan. For solar households, running the washer and dryer during sunny hours can make more sense than waiting until night, especially if exporting power to the grid earns less than using it directly at home.

How to Make the Dryer Cheaper to Run

The dryer is where many laundry budgets go to be dramatically overacted. To cut drying costs, start by cleaning the lint trap before every load. Good airflow helps clothes dry faster and reduces fire risk. If clothes take longer than normal to dry, the vent may need cleaning.

Use the moisture sensor setting if your dryer has one. Timed dry can over-dry clothes, wasting energy and baking fabrics like sad little lasagnas. A sensor cycle stops when clothes are dry enough. Also separate heavy towels from lightweight shirts. Towels take longer, and mixing them with thin fabrics can cause the lighter items to tumble around long after they are already dry.

Another simple trick is to run an extra spin cycle in the washer before drying heavy items. The more water removed before clothes enter the dryer, the less work the dryer has to do. For delicate items, air drying is often better for both the bill and the fabric.

Air Drying: The Cheapest Dryer Is No Dryer

The cheapest way to dry clothes is to skip the dryer whenever practical. Outdoor clotheslines, indoor drying racks, and shower-rod hangers can dramatically reduce laundry energy use. Air drying is especially useful for jeans, sweaters, workout gear, bras, delicate tops, and items that shrink when exposed to high heat.

Indoor drying works best with airflow. Place the rack in a well-ventilated area, leave space between garments, and avoid piling wet clothes on top of one another. In humid climates, use a fan or dehumidifier if needed. In sunny, dry climates, outdoor drying can be wonderfully efficient, though pollen, dust, and neighborhood barbecue smoke may occasionally add “local character” to your sheets.

Safety Matters: Do Not Let Savings Get Reckless

Cheaper nighttime electricity can be tempting, but laundry safety should come first. Dryers should not be left running when no one is home or while everyone is asleep. Lint buildup is a known fire hazard, and routine maintenance is part of responsible laundry savings.

Clean the lint filter before each load. Check the outdoor vent flap to make sure air is moving freely. Keep the area around the dryer clear of boxes, clothes, paper, and cleaning products. Have the vent cleaned periodically, especially if drying times get longer. A clean dryer is safer, faster, and cheaper to operate.

How Much Can You Really Save?

The savings depend on your rate plan, appliance type, laundry frequency, and habits. Shifting laundry to off-peak hours may save modestly for some households and more significantly for others, especially where peak electricity rates are much higher than off-peak rates. The biggest savings usually come from combining timing with efficiency.

For example, a household that washes five loads a week could save by moving electric dryer use away from peak hours, washing in cold water, drying full loads, cleaning the lint trap, and air drying some items. None of those changes requires giving up clean clothes. You are not being asked to live like a pioneer, unless you find line-dried sheets romantic, in which case congratulations on your excellent branding.

A Simple Pro-Approved Laundry Plan

Here is a practical laundry schedule for many households:

• Check your utility plan for exact peak and off-peak hours.
• Wash most loads in cold water.
• Run laundry after peak hours, before morning peak hours, or on weekends.
• Do full loads, but do not overstuff the washer.
• Use high spin speed when appropriate to remove more water before drying.
• Dry with moisture-sensor settings instead of timed dry.
• Air dry delicate, heavy, or shrink-prone items.
• Clean the lint trap before every dryer cycle.

This plan works because it attacks laundry costs from several angles. You reduce the price of electricity by shifting timing, reduce the amount of energy needed by using cold water, and reduce drying time by improving airflow and moisture removal.

Common Mistakes That Make Laundry More Expensive

Using hot water for everything

Hot water has its place, but using it automatically for every load wastes energy and can shorten the life of clothes. Cold water is usually enough for everyday laundry.

Doing tiny loads all week

Small loads are convenient, but they often cost more per item. Wait until you have enough for a proper load unless something truly cannot wait.

Overdrying clothes

Overdrying wastes energy and damages fabrics. Use sensor dry, lower heat, and remove clothes promptly.

Ignoring the lint trap

A clogged lint trap makes the dryer work harder and increases risk. Clean it every time, even when the lint looks harmless and fluffy enough to name.

Forgetting seasonal rate changes

Your cheapest laundry time may change in summer or winter. Review your utility plan at least once a year.

Experience-Based Tips: What Actually Works in Real Homes

After looking at how households actually do laundry, one thing becomes obvious: the best laundry routine is the one that saves money without making your life ridiculous. A perfect off-peak schedule that requires you to fold towels at midnight while questioning your choices is not a routine. It is a cry for help with fabric softener.

The easiest experience-based approach is to create a “laundry window.” Instead of doing laundry randomly, choose two or three predictable low-cost windows each week. For many families, that might be Tuesday and Thursday after 9 p.m. for washing, plus Saturday morning for bedding and towels. This prevents laundry from becoming a daily background noise and helps you avoid expensive peak hours without thinking about it constantly.

Another useful trick is to separate washing time from drying time. The washer can often run during a cheaper evening window while you are still awake. Then, if you do not want to run the dryer late, hang dry delicate items overnight and dry heavier items the next morning during another lower-cost period. This works especially well for workout clothes, school uniforms, jeans, and synthetic fabrics that dry quickly on a rack.

Families with kids often get better results by assigning laundry categories to days. For example, Monday can be dark clothes, Wednesday can be towels, Friday can be school and work clothes, and Sunday can be sheets. This avoids the classic laundry mountain, where everything is dirty at once and someone is forced to run three peak-hour loads because tomorrow requires pants.

Apartment dwellers and laundromat users have a slightly different challenge. If you pay per machine, the cheapest time may be the time that helps you get machines without waiting. Early mornings, midweek afternoons, and later evenings are often less crowded than Sunday afternoon. Even if the machine price is fixed, fewer delays can save time and prevent rushed drying mistakes. At a laundromat, overloading the dryer to save coins often backfires because clothes take longer to dry. A properly sized dryer load usually wins.

One underrated habit is keeping a small drying rack near the laundry area. When the rack is easy to use, you are more likely to pull out delicate shirts, leggings, bras, sweaters, and jeans before they enter the dryer. Over time, this reduces dryer loads and helps clothes last longer. The savings are not only on the electric bill; they also show up when your clothes do not shrink, fade, stretch, or develop that crispy “I have been through battle” texture.

For households in hot climates, doing laundry earlier in the day can be more comfortable. Dryers add heat, and even vented dryers can make laundry rooms warm. Running the dryer during the hottest part of the afternoon can make the air conditioner work harder. In these homes, early morning laundry can feel like a double win: lower demand and less indoor heat.

For colder or humid climates, the main issue is drying time. Indoor air drying may take longer, so spacing clothes properly matters. Do not cram wet items together on a rack. Use hangers for shirts, lay sweaters flat, and put heavier items near better airflow. A fan on low can help move moisture away from fabrics without using nearly as much energy as a dryer.

The most realistic advice is this: do not chase pennies so aggressively that you create problems. If someone needs clean work clothes, wash them. If a child’s blanket needs cleaning, clean it. But for routine laundry, timing and habits add up. The cheapest time to do laundry is not just a number on the clock; it is a system that keeps clothes clean, bills lower, appliances healthier, and your laundry basket from becoming a permanent member of the household.

Conclusion

The cheapest time to do laundry is generally during off-peak electricity hours: late at night, early in the morning, or on weekends. For many U.S. households, avoiding the 4 p.m. to 9 p.m. peak window is a smart place to start. However, the exact cheapest time depends on your utility plan, your region, the season, and whether you have solar power.

For the biggest savings, combine off-peak laundry with cold water, full loads, smart drying, clean lint filters, and occasional air drying. Timing helps, but habits do the heavy lifting. Your washer and dryer do not need to run your budget. They simply need a better scheduleand maybe a little less hot water drama.

Note: Always check your local utility plan for exact peak and off-peak hours. Do not run a dryer while asleep or away from home, even if nighttime electricity is cheaper.