A-1 Sewer & Septic Service Inc.
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913-631-5201 Kansas 816-361-2121 Missouri

913.631.5201

Kansas

816.361.2121

Missouri

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Complete plumbing, drain cleaning and pumping services since 1968!

How to Insulate a Hot Water Heater

Just like insulating exposed plumbing pipes, the walls, and the roof, when you insulate your hot water heater tank, you're improving its efficiency and saving yourself money every month. If you have a new water heater, it's probably already insulated.

But, if your tank is older, then you want to go take a look at it and see if it is insulated and if so, if it has an R-value of 24 or higher. If it does not, your water tank is not sufficiently insulated, which means insulating the tank could reduce the standby heat losses by as much as 45 percent, and you could save up to 16 percent in heating costs.

Usually, once a homeowner insulates their water tank, they recoup their money within 12 months, even less if you have a large family that takes a lot of showers. Insulating your water heater doesn't have to break the bank. It's one of the easiest and most affordable ways to save energy and reduce your energy bills. For as little as $20, you can find blankets or pre-cut jackets that are a cinch to install.

Do you know the R-value of your water heater? If not, touch the tank. If it's warm when you touch it, then it needs more installation.

Before You Get Started

Before you start your DIY project, follow these steps:

  • Call your utility company and see if they offer rebates or if they provide water heater insulating blankets at a low price. Some utility companies will install them for you at little to no cost.
  • Check your water heater and make sure it's not leaking. If it's leaking, you probably need to replace the unit.
  • If you have an electric model, you may want to add insulation (a bottom board) underneath the water heater as well. When you add a rigid piece of insulation or a bottom board under the unit, it can stop heat loss underneath the water heater, which could save up to an additional 9 percent of water heating energy. However, it's best to install the bottom board when a new unit is installed.

To install the blanket, you will need: 1) a helper, 2) scissors, 3) a marker, 4) a tape measure, 5) gloves, 6) a dust mask, 7) electrical tape, and 8) a water heater insulating blanket kit.

Step 1: You will need to turn off the water heater.

Step 2: Measure the height of the hot water heater, and then cut the blanket so it will fit. Make sure you leave the top of the water heater open – you do not want to block the vent on top of the gas water heater.

Step 3: Wrap the blanket around the unit and use the tape to temporarily hold it in place. We recommend positioning the blanket so the ends do not cover the access panels located at the side of the tank.

Step 4: Use the marker to mark where the controls are located so you can cut them out. Also, leave plenty of room where the valve and burner areas are located below. When you make the opening, cut it at least 1" wider than the area where the valve and burners are located. You also want to mark where the pressure relief valve and pipe are located. If you're not sure what this is, it's the pipe that sticks out of the side of the unit.

Step 5: Line up the cutout areas carefully and then tape up the blanket so the installation is complete.

Step 6: Turn your water heater back on. If you have an electric model, don't let the thermostat get above 130° F with a jacket or blanket or it will be prone to overheating.

If you need a professional Kansas City plumber to assist you with a water heater issue, please contact A-1 Sewer &Septic Service Inc. to schedule a service call!

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A-1 Sewer & Septic Service Inc. - Kansas City Plumber
Located at 6370 Carter Street Shawnee, KS 66203. View Map
Phone: (913) 631-5201
Website: http://www.a-1sewerandsepticservice.com/