Ello Therma 32oz Insulated Thermos Review: Hot and Cold Performance
By Ello® | Water Bottles, Food Storage, Travel Mugs & More | Published: 2026-08-05
Category: Product Reviews
Our in-depth review of the Ello Therma 32oz insulated thermos covers hot and cold performance, design, durability, and how it compares to other Ello drinkware.
When it comes to staying hydrated throughout the day, having a reliable insulated thermos can make all the difference. Whether you're commuting, hiking, or simply running errands, the ability to keep your beverages at the perfect temperature is a game-changer. Today, we're taking an in-depth look at the Ello Therma 32oz insulated thermos, a product that promises to deliver both hot and cold performance in a sleek, durable package.
In this review, we'll explore the thermos's design, build quality, temperature retention, ease of use, and overall value. We'll also compare it to other popular Ello drinkware options to help you decide if this is the right hydration companion for your lifestyle.
Design and Build Quality
The Ello Therma 32oz insulated thermos immediately stands out with its robust stainless steel construction. The exterior features a powder-coated finish that not only looks premium but also provides a comfortable, non-slip grip. The thermos is available in a range of attractive colors, allowing you to express your personal style while staying hydrated.
One of the first things you'll notice is the generous 32oz capacity, which is perfect for all-day hydration without constant refills. The thermos is designed with a wide mouth, making it easy to add ice cubes, fruit, or even protein powder. The lid screws on securely and features a built-in handle for easy carrying, a thoughtful touch for those on the go.
- Dual-wall vacuum insulation for maximum temperature retention
- Leak-proof lid with integrated handle
- BPA-free and food-grade stainless steel interior
Hot and Cold Performance
We put the Ello Therma to the test with both hot coffee and ice-cold water. After filling the thermos with boiling water at 8 AM, the temperature remained above 140°F for over 8 hours, and even after 24 hours, it was still noticeably warm. This makes it an excellent choice for long workdays or outdoor adventures where access to hot beverages is limited.
For cold performance, we filled the thermos with ice water and monitored the temperature. The ice remained intact for more than 24 hours, and the water stayed refreshingly cold for up to 48 hours. This is particularly impressive and puts the Ello Therma on par with some of the best insulated thermoses on the market.
- Hot liquids stay hot for up to 12 hours, cold liquids stay cold for up to 24-48 hours
- Ideal for coffee, tea, smoothies, or ice water
- No condensation on the exterior, even with cold drinks
Ease of Use and Cleaning
The Ello Therma is designed with convenience in mind. The wide mouth makes filling and pouring easy, and the lid's twist-off design is simple to operate, even with one hand. The included handle is sturdy and comfortable, making it easy to carry the thermos, whether you're holding it or attaching it to a bag.
Cleaning the thermos is straightforward: it's hand-wash recommended, but the interior is easy to wipe out, and the lid is dishwasher-safe. This is a minor drawback for those who prefer dishwasher-safe everything, but it's a common trade-off for maintaining optimal insulation performance.
- Wide mouth for easy filling and cleaning
- Leak-proof lid prevents spills in your bag
- Hand wash recommended for the thermos body; lid is dishwasher-safe
Comparing to Other Ello Drinkware
Ello offers a wide range of drinkware, and the Therma 32oz is a standout for those who prioritize capacity and temperature retention. If you're looking for a more portable option for kids, the Ellies Kids Water Bottle - 12oz, Stainless Steel is a great choice, offering a smaller size with similar durability. For those who prefer a versatile bottle with multiple lid options, the Cooper Combo Stainless Steel Water Bottle with Two Lids provides flexibility, allowing you to switch between a straw lid and a chug lid.

However, if you need a dedicated thermos for hot or cold beverages in large quantities, the Ello Therma 32oz is hard to beat. Its insulation performance rivals premium brands, and its durable build ensures it will last for years.
- Consider the Ellies Kids Water Bottle for younger users
- The Cooper Combo offers two lids for versatility
- The Therma 32oz is ideal for all-day hydration or sharing
Value and Verdict
Priced competitively, the Ello Therma 32oz insulated thermos offers exceptional value for its performance. It's a reliable investment for anyone who wants to reduce single-use plastic consumption and keep beverages at the perfect temperature, whether at the office, on a road trip, or at a picnic.
After thorough testing, we can confidently say that the Ello Therma delivers on its promises. Its robust construction, excellent temperature retention, and thoughtful design make it a top contender in the insulated thermos category. If you're in the market for a high-capacity thermos that excels in both hot and cold performance, the Ello Therma is definitely worth considering.
- Excellent temperature retention for both hot and cold
- Durable, leak-proof design
- Great value for the price
In summary, the Ello Therma 32oz insulated thermos is a standout product that combines style, durability, and exceptional performance. Whether you're a coffee lover who needs a hot brew on a long commute or an outdoor enthusiast who wants ice-cold water on a hike, this thermos has you covered. Explore the Ello Therma and other innovative drinkware in our collection to find your perfect hydration companion.

