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.

Safeguard Your Pipes in Freezing Weather

As chilly temperatures settle in for the week, it's crucial to ensure the well-being of your pipes. Dealing with a burst water pipe during winter is not only a common inconvenience but also an expensive hassle. Here's a guide to help you minimize the risk of such issues.

Protect Outdoor Water Sources

If you have outdoor water sources like a pool or sprinklers, take preventive measures. Drain them to avoid standing water freezing and expanding when temperatures drop. Anything in an unheated area is vulnerable.

Secure Outdoor Hoses

Remove and drain all outdoor hoses, storing them away for the season. Close the valves to prevent seepage and ensure they are in good condition for future use.

Insulate Your Attic

Install an insulated box above your attic hatchway to retain heat in your house. An underinsulated attic is a potential risk, being the coldest part of the house.

Insulate Water Supply Lines

Identify water supply lines in your home and insulate both hot and cold water pipes. Inexpensive options like pipe sleeves and heat tape can enhance heat retention and prevent freezing.

Seal Unheated Areas

Keep unheated areas such as garages closed to prevent freezing. Garages often have water lines that can easily freeze when temperatures plummet.

Adjust Thermostat When Away

If you plan to be away and want to save energy costs, don't set the thermostat lower than 55 degrees. This prevents freezing issues while keeping energy usage efficient.

If a pipe is already frozen, consider these steps:

• Leave faucets slightly open to encourage water flow and melt partially frozen pipes.

• Use a hair dryer, space heater, or heating pad to circulate water in the frozen section.

• Check all water sources if one pipe is frozen, as others could be affected.

• If unsure, call a plumber to prevent serious and expensive damage.

• Shut off the main water valve while keeping faucets open.

A burst pipe can lead to serious flooding and long-term problems like mold and mildew, affecting your family's health. Don't wait to protect your home—act now, especially during the colder winter months.

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

Sealing Your Attic Hatchway

Most homeowners don’t realize that the pulldown attic stairway is one of the biggest heat loss culprits in the house. Many of us don’t go up into the attic very often other than to get holiday decorations from storage or maybe grab the suitcases for an upcoming vacation. Because we don’t access the attic all that much, we often don’t realize how much the temperature up there fluctuates and how much heat and air conditioning we are losing through the space. 

I can’t tell you the number of times that I have gone into an attic to find frozen water droplets on the tips of the roofing nails. Because homes are underinsulated and underventilated, the attic gets very hot in the summer and below freezing in the winter. Condensation and moisture can become a major problem, causing rot in the wood and mold on soft surfaces. 

But then of course there is the heat loss issue. We all know that heat rises and because most Connecticut homes are majorly underinsulated, we end up losing tons of warm air through the attic hatch. Plenty of people use draft strips and different kinds of sealant on doors and windows, but this entry point is almost always overlooked even though it’s the most important. The same goes for whole-house fans.

One of the common solutions we always recommend is installing an insulated box to cover the attic entryway or a built-in house fan. An insulated box is made from heavy-duty insulation and sealed with expanding foam. The box sits on top of the stairs when they are folded inside the attic, creating a barrier that still allows the homeowner to access the space as they need to. This simple structure reduces the amount of heat loss seeping from the living space of the home, making for a much more comfortable and energy-efficient environment. 

I always recommend that homeowners have their insulation and ventilation checked to keep their homes healthy, reduce their energy bills, and live more comfortably. While insulation is a very cost-efficient and easy home improvement, an insulated box is an excellent solution to achieve some of the goals of an insulation-optimized house for just a few hundred dollars. You’ll be shocked at the difference it makes. 

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions 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 http://www.odonnellbros.com. Advice is for guidance only.