Water heating is a significant energy hog in most households, often accounting for a substantial portion of your utility bill. While it’s a necessity for comfortable living, the good news is that you don’t have to resign yourself to high costs. There are several simple, yet effective ways to reduce your water heating expenses without sacrificing comfort. Let’s dive into these practical strategies that can help you save money and be more eco-conscious.
| Method | Description | Potential Savings | Effort Level |
|---|---|---|---|
| Lowering Thermostat | Adjusting the water heater temperature down to 120°F. | Significant, up to 10% per degree | Very Low |
| Insulating Water Heater & Pipes | Adding insulation blankets to the water heater and wrapping pipes. | Moderate to Significant | Low |
| Fixing Leaks | Repairing any dripping faucets or showerheads. | Moderate | Low |
| Installing Low-Flow Fixtures | Replacing showerheads and faucets with water-efficient models. | Moderate | Low to Moderate |
| Shorter Showers | Reducing the duration of showers. | Moderate | Low |
| Washing Clothes in Cold Water | Using cold water for laundry cycles. | Moderate | Very Low |
| Using Dishwasher Efficiently | Running the dishwasher only when full and using eco settings. | Moderate | Low |
| Solar Water Heating | Installing a solar water heating system. | High | High initial investment, but very long term savings |
| Tankless Water Heater | Replacing the traditional tank heater with a tankless model. | Moderate to High | High initial investment, but long term savings and efficiency |
Adjusting Your Water Heater Thermostat
One of the simplest changes you can make to reduce water heating costs is to lower the temperature on your water heater. Most water heaters are set at 140°F (60°C) by default, which is often unnecessarily high. Lowering the temperature to 120°F (49°C) is generally considered safe and comfortable for most households and can yield significant energy savings. By reducing the temperature by just 10 degrees, you can potentially cut your water heating costs by up to 5% – 10% according to the U.S. Department of Energy. This minor adjustment requires minimal effort, costing you nothing and is definitely worth it.
How to Lower Your Thermostat
Finding the thermostat on your water heater will depend on the type of heater you have. On a gas water heater, the thermostat is typically found near the bottom of the tank, often near the gas valve. On electric water heaters, you will generally find the thermostat behind an access panel, usually located at the lower or mid-section of the tank. Most thermostats will have a dial or a knob that you can use to adjust the temperature. If you have a digital thermostat, it should be very straight forward to adjust. It is often good idea to consult with your water heater’s user manual for instructions specific to your model to ensure you are doing it correctly. It’s always a good idea to lower the temperature in small increments and then observe your hot water usage over a few days and make additional adjustments until you are satisfied.
Insulating Your Water Heater and Pipes
Water heaters, especially older models, can lose a significant amount of heat through their exterior surfaces. This phenomenon is called standby heat loss. Think of it like keeping a hot coffee cup that has no insulation. The heat will escape and soon become cold, which is what happens with your water heater when it’s not insulated. Insulating your water heater can drastically reduce heat loss, allowing your water heater to maintain temperature using less energy. Insulating your water heater is surprisingly easy and inexpensive. Insulation blankets or jackets are specifically designed for water heaters and can be easily installed. Many of these products are available at hardware stores and online retailers. In addition to the water heater itself, insulating the hot water pipes is also important, especially for pipes that run through unheated areas of your house, like the basement or attic. This helps prevent heat loss from the water on its way to your faucets or showerheads. Doing this can save energy and money by making sure the hot water stays hot through its journey to where it needs to be.
How to Insulate Your Water Heater
For electric water heaters, you will typically use an insulation blanket, which you wrap around the tank, using some type of tape. For gas water heaters, you’ll want to purchase a blanket specifically designed to work with gas models as you need to be careful to not interfere with air flow for the gas operation. Before you wrap, make sure you don’t block any of the important components, like valves or the pressure relief valve. For piping, use pre-slit pipe insulation, which comes in foam or other types of insulation material. Then, simply press the insulation around the pipes and then seal it with tape if necessary.
Fixing Leaks Promptly
Even a small, seemingly insignificant leak can waste a surprising amount of hot water over time, leading to higher water and energy bills. A leaky faucet dripping once per second can waste over 3,000 gallons of water in a year, according to the EPA. Hot water leaks not only waste water but also cause your water heater to work harder, increasing your energy consumption. Regularly check all faucets, showerheads, and pipes for leaks. Common culprits include worn washers, loose connections, or damaged O-rings. Addressing these leaks promptly, whether by tightening connections or replacing worn parts, is a simple way to save on water heating expenses.
How to Identify and Fix Leaks
Check your faucets and showerheads closely for dripping, even if they’re only intermittent. Look under sinks, and around toilets, as some water leaks might not be immediately obvious. If you have a crawlspace or basement, inspect pipes and connections for any signs of moisture or dripping. Replacing a worn washer is a relatively simple do-it-yourself fix that typically requires some basic tools. However, some leaks might require a plumber, particularly if they involve damaged pipes. It’s also a good idea to check your water meter before bed and then in the morning before any water is used. If the reading on the meter has changed, this is a good sign that you have a leak somewhere in your house.
Installing Low-Flow Fixtures
Low-flow showerheads and faucets are designed to reduce water consumption without compromising water pressure. Replacing older, inefficient fixtures with low-flow models can significantly lower your hot water usage. Standard showerheads can use 2.5 gallons of water per minute, while low-flow models can reduce that to 1.5-2 gallons per minute or less. Similarly, low-flow faucets often incorporate aerators, which mix air with water, creating a satisfying stream while using less water. The initial cost of these fixtures is often very small, while the long-term savings in both water and energy can be substantial.
Choosing the Right Low-Flow Fixtures
When choosing low-flow showerheads and faucets, look for products with the WaterSense label from the EPA. These fixtures have been tested and certified to meet specific water efficiency standards. Consider also the type of spray pattern you prefer in showerheads, as some models are optimized for water saving, while others tend to have more pressure. When it comes to faucets, look for models that provide an aerated stream that doesn’t compromise on cleaning power. If you are replacing a showerhead, this is a simple job that you can do yourself. Replacing a faucet can also be a do-it-yourself project, but if you have any doubts, consult a plumber.
Taking Shorter Showers
Reducing your shower time is another easy way to save water and energy. The longer you spend in the shower, the more hot water you use. Even cutting your shower time by a few minutes each day can have a significant cumulative impact. If you normally take 10 minute showers, try cutting it down to 5 minutes, even if you reduce shower time by just two minutes. A simple way to try this is setting a timer when you start your shower and be mindful of the time. Also, consider whether you need to run the shower for a minute or two while waiting for the water to get hot, if you typically do this.
Tips for Shorter Showers
Be mindful of your shower time. A timer or a water-resistant clock can help. Another great idea is to listen to music, and try to finish your shower before one song ends. Another great tip is to focus on getting clean and getting out. You can also reduce your shower to just a quick rinse, rather than spending more time in the shower. A little extra effort and awareness when showering can lead to considerable savings in energy and water.
Washing Clothes in Cold Water
Washing clothes in cold water is a simple and effective way to reduce water heating costs. Most of the energy consumed by your washing machine is used to heat the water, and with most modern detergents, they can still effectively clean your clothing in cold water. Cold water washing is better for most of your clothes, as it is gentler and prevents colors from fading or bleeding. It can also help prevent shrinking of some clothes, especially those that have a mix of materials. So, for most situations, it is best to wash your clothes using cold water. The only time hot water is needed is for heavily soiled clothes or for sanitizing bedding, but most laundry can be done with cold water cycles.
Benefits of Cold Water Washing
In addition to saving energy and money, cold water washing also helps prolong the life of your clothes, by making them less susceptible to damage. This is good for you and great for the environment. Using cold water also reduces the likelihood of shrinking. It is a simple adjustment in your routine that yields benefits for everyone. Check the care instructions of your clothes for specific requirements. If needed, for heavily soiled clothes or for items requiring sanitation, you can always run some loads using hot water, but most can be done with cold water cycles.
Using Your Dishwasher Efficiently
Dishwashers, when used efficiently, can actually use less water than hand-washing dishes. However, they can be a major source of hot water consumption if they are not used correctly. Always make sure you are filling your dishwasher completely before starting a cycle, as running it when it is not full can waste water and energy. Most modern dishwashers come with energy-saving cycles. Look for eco-settings or light-wash cycles, which use less water and energy. Air-drying dishes whenever possible is another great way to save energy. This is often an option that you can select on your dishwasher control panel.
Tips for Efficient Dishwasher Use
Try to load your dishwasher so that it is full, without over crowding. Avoid pre-rinsing dishes before loading them, unless they have very large food particles, as doing this wastes water. Always use the energy-saving features of your dishwasher, such as the eco or light cycle. Try the air-dry function rather than heat-drying. It is a great way to save energy and money, without impacting the quality of dishwashing.
Exploring Solar Water Heating
For a more substantial change, consider installing a solar water heating system. These systems use solar panels to collect heat from the sun and transfer it to the water in your tank. Solar water heating can significantly reduce your reliance on traditional energy sources for heating water, which can yield very high savings on your energy bill. While the initial investment for a solar water heating system can be considerable, the long-term savings and environmental benefits are significant. Solar water heating systems are especially attractive for homes in sunny locations.
How Solar Water Heating Works
Solar water heating systems typically have solar collectors, a storage tank, and a circulation system. The collectors, usually installed on the roof, capture the sun’s energy. This heat is then transferred to water or another fluid, which is then pumped to the storage tank. The hot water is stored in the tank and is available for use as needed. These systems also have a backup heater to cover any periods when there is not enough sunlight. If you are considering a solar water heater, consult with an experienced installer who can help you choose a system that best meets your needs.
Considering a Tankless Water Heater
Traditional tank water heaters continuously heat and store a large quantity of hot water, leading to standby heat loss. Tankless water heaters, also known as on-demand water heaters, heat water only when it’s needed, eliminating standby heat loss. Tankless water heaters are more energy-efficient than tank heaters, especially for households with lower hot water consumption. While the initial cost of a tankless water heater is typically higher, it can result in long-term cost savings due to reduced energy usage. Tankless models also tend to have a longer lifespan than traditional tank water heaters.
How Tankless Water Heaters Save Energy
Tankless water heaters only heat water as it is needed, therefore eliminating heat loss. This efficiency means that you are not paying to heat water that is sitting idle in a tank. They can be gas or electric, and the sizing requirements depend on the needs of your family. If you’re considering switching to a tankless water heater, consult with a professional to determine the correct unit to fit your home. This is a great way to make your home more energy efficient for many years to come.
Implementing these simple strategies can dramatically reduce your water heating costs, save you money and make you more eco-friendly. Every step, no matter how small, makes a difference. Take the first step today to reduce your energy consumption, and enjoy the benefits of a more sustainable lifestyle.
