Grownsy 8-in-1 Bottle Warmer Review: This One’s a Must-Have

I’ve been using this baby bottle warmer for two months. Here’s why I think it’s worth the money.

Two things you’ll find yourself doing over and over again as a parent of a newborn are sterilizing bottles and warming breast milk or infant formula.

And unless you’re keen on sterilizing in a pot with water, which, let’s be honest, hardly anyone does these days, chances are you’ll be using a baby bottle warmer that doubles as a sterilizer.

My wife and I bought the Grownsy 8-in-1 Bottle Warmer three months ago in preparation for our son’s birth. We have been using it several times a day, every day, since the day he was born.

Still, there is a caveat or two when it comes to this baby bottle warmer that you should know about before hitting the “Buy” button, which I’m going to discuss in this review.

The Review in a Minute

The Grownsy 8-in-1 Bottle Warmer can warm two bottles at once or sterilize one bottle with all the parts, including the green parts of Dr. Brown’s anti-colic vent system.

It’s among the better baby bottle warmers I’ve laid my hands on: it’s compact enough to be used on a night stand or cabinet for bedside feeding, shaped so it doesn’t cause water to leak and damage your furniture, and capable of reliably heating breast milk or formula to a decent temperature every time.

The touch panel is clear and intuitive enough to not require referencing the owner’s manual in the middle of the night, which is definitely a plus:

I find the Grownsy easy to use even in the middle of the night, when I’m tired and sleepy.

To warm or sterilize baby bottles with the Grownsy 8-in-1 Bottle Warmer, I simply place the bottles in the anti-scald basket, fill the appliance with water, then turn it on and select the desired setting.

When warming milk, I can select the volume from three options: 60–120 ml, 120–180 ml, and over 180 ml (for those of you stateside, that’s 2–4 fl oz, 4–6 fl oz, and over 6 fl oz).

For quick warming or sterilization with steam, I set my desired time — sterilization typically takes between 15 and 20 minutes, and I have the option to choose the exact duration that suits my needs.

Last but not least, my favorite setting of them all: 24-hour warming, which gently warms milk and maintains its temperature at 37°C (98.6°F) for as long as you need it to, so you can feed your little one as soon as they get begin fidgeting and crying for food.

It’s important to note here that although this setting is labeled as “24-hour warming,” the CDC recommends discarding baby formula if it’s been left at room temperature for more than 2 hours after preparation (and 1 hour from the start of feeding). For reasons of safety, I only use this setting to keep bottles warm when I know my baby will need them within the next 1-2 hours.

One thing to keep in mind, even though this isn’t specific to the Grownsy 8-in-1 Bottle Warmer, is the need to empty the water from the appliance if you have to sterilize a baby bottle after warming one for the last feeding session.

Sterilization requires only 80 ml of water, while warming requires you to fill the water all the way up to the “Full” indicator. This means that you’ll either have to keep a bowl nearby for the water or unplug the device and take it to the bathroom or kitchen sink before plugging it back in.

All in all, this is a superbly simple, super easy to use baby bottle warmer that heats breast milk, baby formula, and puréed foods effectively, sterilizes bottles and their parts reliably, and doesn’t take up too much space on your cabinet or countertop.

As far as I’m concerned, the Grownsy 8-in-1 Bottle Warmer is the best baby bottle warmer in its price range, and it’s the one I recommend to family and friends when they ask (and now, to you, my readers).

Who This Baby Bottle Warmer Is For

Whether you’re about to become a parent or recently became one, a bottle warmer can be a godsend during the first few months to the first year of your child’s life. It helps you ensure that the breast milk or baby formula you’re giving to your little one is at body temperature and that the bottles it’s in have been properly sterilized.

Of course, there are other ways to achieve this. For example, you could warm milk in a pot using water, and sterilize bottles in the microwave. However, using a dedicated appliance allows you to perform this task more consistently and with less hassle. This convenience proves invaluable in the middle of the night when you’re tired or sleep-deprived.

The Grownsy 8-in-1 Bottle Warmer is great at sterilizing bottles and warming or thawing milk just before feeding time. It can also maintain the milk’s warmth for 1–2 hours between individual feeding sessions.

And while it doesn’t offer the large capacity of, say, the Grownsy Bottle Sterilizer and Dryer, it’s more compact and fits on a nightstand or stashes away neatly in a drawer.

Pros & Cons

• Warms two bottles at once or sterilizes one bottle with all the parts.

• The two caps on the lid can be opened to fit even the tallest baby bottles.

• Stashes away neatly in a cupboard or drawer thanks to its compact size.

• The water must be emptied when switching from warming to sterilizing.

• Takes longer to warm up than other bottle warmers I’ve tested.

• Not roomy enough for sanitizing breastfeeding pump parts.

Specs

The Verdict: It’s a Dad’s Pick

With an overall score of 4.6 out of 5, the Grownsy 8-in-1 Bottle Warmer is a definite Dad’s pick.