Your Winter Water Heater Tune-Up Guide

Your Winter Water Heater Tune-Up Guide

When the cold creeps in and the snow starts to pile up, there’s nothing worse than realizing your hot shower just turned into an arctic plunge. Winter is hard enough without water heater problems and the good news is, a little preventative maintenance now can save you from a mid-January cold-water crisis later. Here are a few easy, DIY-friendly steps to keep your water heater running efficiently all season long.

1. Give It a Little Elbow Room

Your water heater works best when it can breathe. Head down to the basement and make sure there’s at least two feet of clearance around the unit. Over time, storage boxes, paint cans, or the kids’ old hockey gear tend to creep closer. Clear that space so air can circulate and you have easy access for inspection and maintenance.

2. Check the Temperature Setting

If you’ve never looked at your water heater’s thermostat, now’s the time. Set it to 120°F - that’s the sweet spot for most homes. Any higher and you risk scalding (especially if you have little ones), plus you’ll waste energy heating water hotter than you need. Any lower and you might invite bacteria to grow. It’s a quick twist of a dial that can make a big difference in comfort and safety.

3. Flush Out Sediment (It’s Easier Than It Sounds)

Connecticut’s water tends to be mineral-rich, which means sediment can build up in the tank over time. That layer of grit forces your heater to work harder and can even make popping or rumbling noises. To flush it:

• Turn off the power (or gas supply).

• Attach a garden hose to the drain valve at the bottom.

• Run the other end to a floor drain or outside.

• Open the valve and let the tank drain until clear.

If it’s been years since your last flush, you may need to repeat the process. This simple step can extend the life of your heater and improve efficiency. Just make sure you close the valve tightly when you’re done.

4. Insulate for Efficiency

Your hot water heater loses heat through its tank and pipes, especially if it lives in a chilly basement. Wrapping it in an insulating blanket (available at any hardware store) can help retain warmth, meaning your system doesn’t have to work as hard.

Also insulate the first six feet of hot and cold water pipes coming from the tank. Foam pipe sleeves are inexpensive and take just minutes to install. It’s one of those small upgrades that pays for itself fast in energy savings.

5. Test the Pressure Relief Valve

This valve is a key safety feature that releases pressure if the tank gets too hot. To test it, place a bucket under the discharge pipe, then lift the valve’s lever gently. You should hear water or air escape briefly. If nothing happens, or it leaks afterward, it’s time to replace the valve. Don’t skip this one; it’s a simple check that can prevent dangerous pressure buildup.

6. Mind the Anode Rod

Your water heater’s anode rod is like a sacrificial hero - it attracts corrosive minerals so your tank doesn’t rust. But it wears out over time. Every few years, check it by unscrewing the hex head at the top of the tank (you might need a socket wrench). If the rod looks thin or coated in calcium, replace it. It’s a $20 part that can add years to your heater’s life.

7. Keep an Eye Out for Trouble Signs

Rusty water, strange noises, or puddles around the base of your heater are all warning flags. A little condensation on cold days is normal but leaks are not. If you see rust or corrosion near fittings, or your water takes longer to heat up, call in a professional before winter really sets in.

8. Know When to Call the Pros

While most of these steps are DIY-friendly, there are times to tag in an expert. If you smell gas, see scorch marks, or aren’t comfortable handling electrical or plumbing components, stop and call a licensed technician. It’s always better (and cheaper) to fix a small issue early than replace the whole system later.

9. Bonus: Plan Ahead for Replacement

If your water heater is over 10 years old, start budgeting for a replacement. Even a well-maintained tank won’t last forever, and Connecticut’s freezing winters are not kind to aging systems. Newer models are more energy-efficient and often eligible for utility rebates, so upgrading might save you more than you think.

A little attention now keeps the hot water flowing and your winter mornings comfortable. Whether it’s flushing out sediment, tightening valves, or adding insulation, these small steps add up to big peace of mind. 

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit www.odonnellbros.com. Advice is for guidance only.

Now Is The Time - Get Your Hot Water Heater Ready for Winter

With the weather finally turning colder, now is a great time to give your water heater the tune-up it needs to make sure it’s in good working order for the winter. This kind of maintenance might seem like a big task, but if you haven’t had issues in the past, a simple check-up and clean out can really help your appliance run more efficiently while lengthening its life. Here are some tips. 

As a water heater operates, it collects sediment that can cause decay if left in the tank over time. Don’t let this happen to yours. Drain your water heater at least twice a year to get rid of any buildup, which will prevent corrosion and increase the machine’s energy efficiency. I like to do this in the fall and early spring, before and after the busy season.

First, turn off the unit and give it plenty of time to cool down. Then, using a garden hose and pump, drain the water into a bucket. If the bucket becomes filled with brown, sediment-tainted water, continue to refill and drain your heater until the water looks clean again. When you’re in the clear, you can disconnect your hose and turn the unit back on.

Keep your water heater at a steady 120 degrees and lower it down if you’re planning on leaving the house for three days or more. For every 10 degrees you decrease the temperature, you’ll save five percent in energy costs.

Insulate the tank and pipes with fiberglass. For the tank, fit a fiberglass blanket using foil tape, but be sure not to cover any valve or pipe openings. For the pipes, you can use fiberglass wrap or foam insulation. By adding a layer of insulation to your water heater, you’ll keep the warmth from escaping into the air and you’ll protect the machine from condensation in the warmer months. 

If you have a valve that’s leaking, make sure that the fittings are nice and tight. If anything is loose, you might have to replace the valves or fittings. You can find the parts you’ll need at a local hardware store – just don’t forget to shut off the water before fitting them!

Remember, working with electric or gas appliances can be dangerous. If you’re not familiar with how your unit operates or if you’re not comfortable with this kind of work, contact a plumber for a routine maintenance check.  

The average lifecycle of a water heater is about eight to twelve years and they can cost anywhere from $300 for an electric tank system to well over $1,000 for a tankless energy-efficient natural gas appliance. If you’re in the market for a new machine, do your research and make sure you maintain it regularly to ensure that it will go the distance. 

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit www.odonnellbros.com. Advice is for guidance only.