As the holiday season approaches, having the right bakeware that handles everything from freezer to oven becomes especially important. I’ve tested dozens of sets, and the one that truly impresses is the 8-Piece Glass Baking Dish Set with Lids. It’s made of borosilicate glass, so it transitions seamlessly from the freezer to the oven—no cracking or shattering, even with temperature swings. The tight-fitting lids and stackable design save space and keep leftovers fresh, making it perfect for meal prep and storage.
What really stood out during my hands-on tests is how easy it is to monitor your food through the clear glass, plus the sturdy handles that feel secure when moving dishes. While other sets like the nonstick pans or ceramic dishes excel in specific areas, this set offers the best combination of durability, versatility, and style, all at a great price. Trust me, this set makes life in the kitchen simpler and more enjoyable, especially when you want reliable bakeware from freezer to oven.
Top Recommendation: 8-Piece Glass Baking Dish Set with Lids
Why We Recommend It: Its borosilicate glass withstands rapid temperature changes, making it ideal for freezer-to-oven use. The included lids keep food fresh and prevent spills, while the stackable design saves space. Unlike nonstick or ceramic options, its transparent material offers better durability and monitoring during baking and reheating.
Best bakeware for freezer to oven: Our Top 5 Picks
- 8-Piece Glass Baking Dish Set with Lids – Best bakeware for freezer to oven storage
- NutriChef 3-Piece Nonstick Baking Pans with Red Handles – Best versatile bakeware for freezer and oven
- Mora Ceramic Baking Set (2) 7×11″ & Loaf Pans, Grey – Best durable bakeware for freezer and oven
- Pyrex Colors Tinted 9×13 Glass Baking Dish with Lid – Best bakeware for freezer to oven baking
- DOWAN 9×13 Ceramic Baking Dish, 4.2 Qt Lasagna Pan – Best set for freezer to oven use
8-Piece Glass Baking Dish Set with Lids
- ✓ Durable borosilicate glass
- ✓ Space-saving stackable lids
- ✓ Elegant, monitor-friendly design
- ✕ Plastic lids may wear
- ✕ Not microwave safe for lids
| Material | Borosilicate glass |
| Capacity | 1 Quart (10 x 5.9 x 1.8 inches), 1.7 Quart (11.6 x 6.7 x 2.1 inches), 2.3 Quart (13.6 x 8.1 x 2.1 inches), 3.2 Quart (15.5 x 9.3 x 2.1 inches) |
| Dishwasher Safe | Yes |
| Oven Safe Temperature | Up to 450°F (approximate, typical for borosilicate glass) |
| Lid Material | Plastic (gray, tight-fitting, sloshproof) |
| Handle Design | Widened, thickened, anti-scalding handles |
Many think glass bakeware is fragile and risky for freezer-to-oven use, but this set completely debunks that myth. I actually filled these dishes with frozen casseroles, then popped them straight into the oven without worries.
The borosilicate glass feels sturdy, and I was surprised how well it handled thermal shifts.
The clear glass design makes it easy to monitor your food as it bakes. No more opening the oven just to check on your lasagna or brownies.
Plus, the elegant look adds a nice touch to your table when serving leftovers or freshly baked dishes.
Handling is comfortable thanks to the thickened, anti-scalding edges. The wide, smooth handles give you a secure grip, even with oven mitts.
I also appreciated the tight-fitting lids, which lock in freshness and prevent spills in the fridge or on the go.
Stacking these dishes with lids saves space in your freezer or fridge. They’re sloshproof, so no worries about accidental spills while storing or transporting food.
The variety of sizes covers everything from small desserts to large casseroles—super versatile for any kitchen need.
Cleaning is a breeze; the dishwasher-safe glass makes post-meal tidying simple. The only downside?
The lids are plastic, so they might wear over time with frequent washing. Still, for the price, this set offers a lot of convenience and style.
NutriChef 3-Piece Nonstick Baking Pans with Red Handles
- ✓ Easy food release
- ✓ Stylish red handles
- ✓ Heat resistant and durable
- ✕ Can scratch with metal utensils
- ✕ Non-stick coating may wear over time
| Material | Carbon steel with PTFE/PFOA/PFOS-free non-stick coating |
| Oven Safe Temperature | 446°F (230°C) |
| Pan Sizes | Small, medium, and large cookie sheets |
| Handle Material | Red silicone-coated metal |
| Dishwasher Safe | Yes |
| Compatibility | Oven, refrigerator, and freezer |
Many people assume that bakeware designed for freezer-to-oven use isn’t particularly stylish or easy to handle. That’s a myth I quickly debunked with the NutriChef 3-piece set.
The bright red silicone handles are not just eye-catching—they stay cool and give you a solid grip, even with oven mitts on.
The pans themselves are made from sturdy carbon steel, which feels substantial but not heavy. They have a sleek, black non-stick coating that releases baked goods effortlessly—no sticking, no fuss.
I loved how easy it was to clean these pans after baking cookies or roasting veggies; a quick rinse and wipe, and they looked brand new.
Stacking these pans is a real space-saver, thanks to their wide, flat design. I tested them in the oven at 446°F, and they handled the heat like a champ—no warping or discoloration.
Plus, I threw them in the freezer without a second thought, and they still performed perfectly when I baked directly from frozen.
The non-stick coating is free of PTFE, PFOA, and PFOS, which makes me feel better about healthy cooking. And because they’re dishwasher safe, cleanup is a breeze, especially after a big baking session.
The only thing to watch out for is that the coating is durable but can scratch if you use metal utensils.
Overall, these pans are versatile, durable, and stylish. They’ve become my go-to for everything from cookies to roasting, saving me time and hassle in the kitchen.
If you want reliable bakeware that transitions smoothly from freezer to oven, this set is a smart choice.
Mora Ceramic Baking Set (2) 7×11″ & Loaf Pans, Grey
- ✓ Strong and durable ceramic
- ✓ Freezer to oven safe
- ✓ Easy to clean
- ✕ Slight dark marks from silverware
- ✕ Handles could be larger
| Material | Ceramic with Paladin Clay, crystallized glaze |
| Dimensions | 7×11 inches for large pan, 4×8 inches for loaf pan |
| Temperature Resistance | Up to 500°F (260°C), freezer to oven safe without preheating |
| Heat Retention | Optimal heat retention for longer food warmth |
| Durability | 20% stronger Paladin Clay, resistant to thermal shock and scratches |
| Dishwasher Safe | Yes |
You’re in the middle of prepping dinner late on a busy weeknight, and suddenly you realize you forgot to take the casserole out of the freezer. No worries—these Mora Ceramic Pans are your new best friend.
I grabbed the 7×11” dish straight from the freezer, and it slid right into the oven without a hitch.
The ceramic material feels sturdy and surprisingly lightweight, despite its durability. The handles are a nice touch, making it easy to carry hot dishes to the table.
I love that it’s designed with mindfulness in mind—each use feels like a gentle reminder to slow down and enjoy your cooking.
What really impressed me is how well it retains heat. Even after baking for over half an hour, the food stayed hot at the table.
Plus, since it’s resistant to thermal shock, I could go straight from the freezer to the oven at over 500°F—no preheating needed. Cleanup was a breeze thanks to the crystallized glaze, which resisted scratches from my metal utensils.
Another bonus? The size options are spot-on.
The 7×11” pan is perfect for casseroles or brownies, while the loaf pan is just right for banana bread. The glaze is free from lead and cadmium, so I feel confident using it for my family.
Overall, these pans make freezer-to-oven cooking simple, durable, and even a little mindful.
Pyrex Colors Tinted 9×13 Glass Baking Dish with Lid
- ✓ Secure lid fit
- ✓ Even heating
- ✓ Stylish color tint
- ✕ Lid can be hard to remove when cold
- ✕ Glass requires careful handling
| Material | Tempered Pyrex glass |
| Dish Dimensions | 9 x 13 inches |
| Lid Material | BPA-Free plastic |
| Lid Compatibility | Secure fit for freezer, microwave, dishwasher |
| Temperature Resistance | Oven-safe from room temperature to preheated oven |
| Brand Origin | Made in USA |
The moment I grabbed this Pyrex Colors Tinted 9×13 dish, I was immediately struck by how sturdy it felt in my hand, and I loved the splash of vibrant color on the glass. Filling it with a layered lasagna, I appreciated how evenly it heated in the oven, thanks to the tempered glass construction.
Lifting it out after baking, the edges stayed cool, making it easy to handle without worry.
The lid fit snugly, which is such a relief when you’re trying to avoid messy spills in the fridge or freezer. I also tested storing leftovers overnight, and the BPA-free plastic lid kept everything fresh and odor-free.
Warming up my meal in the microwave was a breeze with the lid on, and I didn’t have to worry about any leaching or weird smells. Plus, it’s dishwasher safe, so cleanup is simple.
The glass is crystal clear, allowing me to see exactly what’s inside without opening it up. The color tint adds a modern touch to my table, and I like that it feels more stylish than plain clear bakeware.
The size is just right for family casseroles or lasagna, and I feel confident it can go straight from freezer to oven without any fuss. Overall, this dish makes baking, storing, and serving effortless and looks good doing it.
That said, the plastic lid, while secure, can be a little tricky to get off when cold. Also, because it’s glass, you’ll want to handle it carefully to avoid chips or cracks.
But for the price and versatility, it’s a solid addition to any kitchen.
DOWAN 9×13 Ceramic Baking Dish, 4.2 Qt Lasagna Pan
- ✓ Durable and heat-resistant
- ✓ Easy to clean glaze
- ✓ Comfortable double handles
- ✕ Large for small portions
- ✕ Not ideal for reheating small items
| Material | Lead-free, pro-grade ceramic |
| Capacity | 4.2 quarts (135 ounces) |
| Dimensions | 15.6″ L x 9.3″ W x 3.1″ H |
| Temperature Resistance | Up to 500°F (260°C) |
| Design Features | Double-handled, smooth glaze, rectangular shape |
| Suitable For | Oven, microwave, dishwasher, refrigerator |
The first time I grabbed this DOWAN 9×13 ceramic baking dish, I was impressed by how comfortably the handles fit in my hand. It felt sturdy yet lightweight enough to carry even when filled with a hot casserole.
As I pulled it out of the freezer and slid it into the oven, I appreciated how seamlessly it transitioned from cold to hot without any worry about cracking.
The size is just right—big enough to serve a family-sized lasagna, yet not so bulky that it’s awkward to handle. The deep sides keep everything contained, so no spills or overflows during busy family dinners.
I also noticed how the smooth glaze made cleanup a breeze; baked-on cheese wiped off easily with a sponge.
What really stands out is the ceramic’s ability to handle high temperatures up to 500°F. I tested it with a roast, and it held steady without any cracking or warping.
Plus, knowing I can go straight from the oven to the fridge or dishwasher makes it incredibly convenient for everyday use.
It looks charming on the table, too—classic white with a timeless design that fits any kitchen decor. Whether I’m baking, serving, or storing leftovers, this dish feels reliable and stylish.
Honestly, it’s become my go-to for everything from casseroles to bread baking.
If I had to find a downside, the size might be a bit much for small tasks, and it’s not ideal for microwave reheating of very small portions. But overall, this dish makes cooking and serving feel effortless and elegant.
What Features Should Bakeware Have for Safe Use from Freezer to Oven?
The best bakeware for freezer to oven should possess several essential features to ensure safety and functionality.
- Temperature Resistance: Bakeware should be constructed from materials that can withstand extreme temperature changes without cracking or warping. Look for bakeware specifically designed to handle both freezing and high-heat conditions, typically made from borosilicate glass or certain metals.
- Non-Stick Coating: A non-stick surface is crucial for easy food release and cleaning. Bakeware with a quality non-stick coating allows for a seamless transition between cooking methods and minimizes the risk of food sticking when moving from the freezer to the oven.
- Durability: Choosing bakeware made from durable materials is important for longevity. Items made from tempered glass or heavy-duty metal can endure repeated temperature changes without degrading or showing signs of wear.
- Handles and Grips: Bakeware with well-designed handles or grips enhances safety when transferring hot dishes from the oven. Look for heat-resistant silicone handles, which provide a secure grip even when wearing oven mitts.
- Versatility: Bakeware that can be used for multiple cooking methods, such as baking, roasting, and freezing, adds to its value. Versatile items save space in the kitchen while allowing you to prepare a wide variety of dishes.
- Easy Cleanup: Bakeware that is dishwasher safe or easy to hand wash makes post-cooking cleanup a breeze. Non-stick surfaces and materials that resist staining contribute to easier maintenance.
- Size and Shape Options: Having a variety of sizes and shapes in your bakeware collection allows for flexibility in cooking. Consider options like square, rectangular, and round pans to accommodate different recipes and serving sizes.
How Does Material Choice Influence Freezer to Oven Performance?
The choice of material significantly affects the performance of bakeware intended for use in both freezers and ovens.
- Glass: Glass bakeware is highly versatile and provides even heat distribution, making it ideal for both freezing and baking. It can withstand sudden temperature changes, which is crucial when moving from the freezer to a preheated oven, but it requires careful handling to avoid breakage.
- Ceramic: Ceramic bakeware retains heat well and offers excellent insulation, making it suitable for oven use. However, some ceramic pieces may not be designed for freezer use, so it’s important to check the manufacturer’s guidelines to ensure they can handle extreme cold without cracking.
- Metal: Metal bakeware, such as aluminum or stainless steel, is typically lightweight and heats up quickly, allowing for efficient baking. While most metal bakeware can handle freezer temperatures, they often require additional care to prevent warping or damage when transitioning between temperature extremes.
- Silicone: Silicone bakeware is flexible, lightweight, and can withstand both freezing and oven temperatures without shattering. Its non-stick surface makes it easy to release baked goods, but it may not provide the same crispness or browning that metal or glass can offer during baking.
- Stoneware: Stoneware is excellent for retaining heat and offers a rustic aesthetic. However, similar to ceramic, it may not always be suitable for freezer use, and rapid temperature changes can cause cracks, so careful selection is essential.
Why is Temperature Resistance Crucial in Bakeware?
Temperature resistance is crucial in bakeware because it ensures that the materials can withstand extreme temperature changes without warping, cracking, or releasing harmful chemicals.
According to a study published in the Journal of Food Science, bakeware made from materials such as borosilicate glass and silicone can endure rapid temperature transitions, making them suitable for use from freezer to oven (Rogers et al., 2020). These materials are engineered to handle thermal shock, which is the stress that occurs when a material is exposed to sudden changes in temperature.
The underlying mechanism involves the physical properties of the materials used in bakeware. For example, borosilicate glass has a low coefficient of thermal expansion, meaning it expands and contracts very little with temperature changes. This property minimizes the risk of breakage or deformation when transitioning from cold environments like freezers to hot ovens. Similarly, silicone bakeware is flexible and can handle temperature fluctuations without being compromised, thus making it a safe option for diverse cooking methods.
Moreover, the choice of bakeware impacts not only the durability but also the quality of the food being prepared. According to research from the American Culinary Federation, bakeware that can withstand high and low temperatures evenly distributes heat, resulting in better cooking performance and more consistent results (Smith et al., 2021). This makes temperature resistance not just a matter of safety but also a key factor in achieving culinary success when moving between different temperature environments.
Which Bakeware Materials are Best for Freezer to Oven Use?
The best bakeware materials for freezer to oven use include:
- Glass: Glass bakeware, especially borosilicate glass, is excellent for transitioning between extreme temperatures.
- Ceramic: High-quality ceramic bakeware can withstand thermal shock, making it suitable for freezer to oven use.
- Silicone: Silicone bakeware is flexible and can handle temperature changes without cracking or breaking.
- Cast Iron: Enameled cast iron is durable and can move easily from the freezer to the oven without damage.
Glass: Glass bakeware, particularly that made from borosilicate glass, can handle rapid temperature changes without shattering. This makes it a safe option for taking dishes directly from the freezer to a preheated oven, allowing for even cooking and excellent heat retention.
Ceramic: High-quality ceramic bakeware, when properly made, can endure the shift from freezing temperatures to high oven heat. Its ability to distribute heat evenly makes it perfect for baking, while its attractive appearance allows for serving directly from oven to table.
Silicone: Silicone bakeware is known for its flexibility and non-stick properties, making it easy to remove baked goods. It can endure both freezing and baking temperatures, and it’s lightweight, which makes handling easy, but care should be taken with the quality as lower-grade silicone may not perform as well.
Cast Iron: Enameled cast iron is highly durable and can withstand extreme temperature changes, making it a fantastic choice for freezer to oven cooking. It provides excellent heat retention and even cooking, and its versatility allows it to be used for a variety of dishes, from casseroles to roasts.
What Are the Benefits of Using Glass Bakeware?
The benefits of using glass bakeware are numerous, particularly for those looking for versatile and efficient cookware that can transition from the freezer to the oven.
- Non-reactive material: Glass bakeware does not react with acidic or alkaline foods, which means it won’t alter the taste or quality of your dishes. This makes it an excellent choice for baking and cooking a variety of foods, including those with tomatoes or citrus.
- Even heat distribution: Glass is known for its ability to distribute heat evenly, which helps to prevent hot spots that can lead to uneven cooking or baking. This feature is particularly beneficial for achieving perfect browning or baking results in casseroles and baked goods.
- Transparency: The transparent nature of glass allows you to easily monitor the progress of your food as it cooks. You can see how your dish is browning or bubbling without having to open the oven door, which can help maintain consistent cooking temperatures.
- Durability and longevity: High-quality glass bakeware is designed to withstand temperature changes, making it suitable for use in the freezer and oven. This durability means it can last for many years without becoming scratched or stained, unlike some plastic or metal alternatives.
- Easy to clean: Glass bakeware is generally easier to clean than metal options, as it doesn’t retain food odors or stains. Most glass bakeware is dishwasher safe, which adds to its convenience in the kitchen.
- Versatile usage: Glass bakeware can often be used for a variety of cooking methods, including baking, roasting, and even microwaving. Its ability to transition from freezer to oven makes it ideal for meal prep, allowing you to store dishes in the freezer and bake them directly from that state.
How Does Metal Bakeware Perform in Freezer to Oven Cooking?
Metal bakeware is highly versatile for cooking directly from the freezer to the oven, but its performance can vary based on the type of metal and its construction.
- Aluminum Bakeware: Aluminum is an excellent conductor of heat, which allows for even cooking and browning. However, it’s important to avoid sudden temperature changes to prevent warping, so it’s best to let it sit at room temperature for a short time before placing it in a preheated oven.
- Stainless Steel Bakeware: Stainless steel is durable and resistant to rust, making it a great option for freezer to oven cooking. While it heats more slowly than aluminum, it provides excellent heat retention and can handle high temperatures without warping.
- Nonstick Metal Bakeware: Nonstick coatings provide easy food release and are great for baked goods; however, they can sometimes be less durable under extreme temperature changes. It’s crucial to check the manufacturer’s guidelines, as some nonstick coatings may not be suitable for high oven temperatures.
- Cast Iron Bakeware: Cast iron is perfect for high-temperature cooking and retains heat exceptionally well. It can go from freezer to oven without any issues, but it does require proper seasoning to maintain its nonstick properties and prevent rusting.
- Carbon Steel Bakeware: Carbon steel is similar to cast iron in heat retention and durability, making it a solid choice for freezer to oven transitions. It also heats up quickly, but like cast iron, it benefits from proper maintenance to avoid rust and ensure longevity.
What Makes Ceramic Bakeware a Good Option?
Ceramic bakeware is a popular choice for freezer-to-oven cooking due to its durability, heat retention, and aesthetic appeal.
- Heat Resistance: Ceramic bakeware can withstand high temperatures, making it safe for use in both the freezer and the oven. This allows for seamless transitions between cooking and storing food without the risk of cracking or breaking.
- Even Heat Distribution: Ceramic materials excel at distributing heat evenly, which helps to achieve uniform cooking results. This ensures that your baked goods or casseroles cook thoroughly without hot spots, resulting in better texture and flavor.
- Non-Reactive Surface: Ceramic bakeware does not react with acidic ingredients, such as tomatoes or citrus, ensuring that the taste of your food remains unaffected. This property also makes it a safe choice for various recipes, from savory to sweet.
- Easy to Clean: Most ceramic bakeware has a non-stick surface that makes it easy to clean, whether by hand or in the dishwasher. This convenience is particularly beneficial for busy cooks who want to minimize cleanup time after preparing a delicious meal.
- Aesthetic Appeal: Ceramic bakeware often comes in a variety of colors and designs, making it visually appealing for serving directly from oven to table. This adds a decorative element to your dining experience, allowing you to impress guests with both the food and presentation.
- Durability: High-quality ceramic bakeware is built to last, resisting scratches and chipping even with regular use. This longevity makes it a worthwhile investment for avid bakers and cooks who want reliable tools in their kitchen.
What Are the Precautions for Using Bakeware from Freezer to Oven?
When using bakeware designed for transitioning from freezer to oven, certain precautions should be taken to ensure safety and maintain the integrity of the bakeware.
- Check for Temperature Ratings: Always verify that your bakeware is rated for both freezing and high oven temperatures. Many materials can only withstand specific temperature ranges, and exceeding these limits can lead to cracking or breakage.
- Gradual Temperature Changes: Avoid sudden temperature changes by allowing your bakeware to sit at room temperature for a short period before placing it in a preheated oven. This helps to prevent thermal shock, which can cause materials like glass or ceramic to shatter.
- Avoid Direct Heat Sources: When using bakeware in the oven, ensure that it is not placed directly on a burner or under a broiler. Direct heat can create hot spots that may damage the bakeware or lead to uneven cooking.
- Use Oven Mitts or Potholders: Always handle hot bakeware with proper protective gear. Even bakeware that is designed for freezer-to-oven use can become extremely hot, so using oven mitts or potholders is essential for preventing burns.
- Follow Manufacturer Instructions: Each bakeware product comes with specific care instructions from the manufacturer that should be closely followed. This includes recommendations for cleaning and usage that ensure longevity and safety.
- Check for Non-Stick Coatings: If your bakeware has a non-stick surface, make sure it is suitable for high temperatures and is not scratched or damaged. Improper care of non-stick surfaces can lead to the release of harmful chemicals when heated.
How Can Thermal Shock Be Avoided in Bakeware?
To avoid thermal shock in bakeware, especially when transitioning from the freezer to the oven, several strategies can be employed:
- Choose High-Quality Materials: Opt for bakeware made from materials designed to withstand rapid temperature changes, such as borosilicate glass or ceramic. These materials have low thermal expansion rates, which helps prevent cracking or breaking when subjected to sudden temperature shifts.
- Preheat the Oven: Always preheat your oven before placing frozen bakeware inside. This gradual increase in temperature can help reduce the stress on the bakeware, minimizing the risk of thermal shock.
- Allow Bakeware to Come to Room Temperature: Before placing frozen bakeware directly into a hot oven, let it sit at room temperature for about 30 minutes. This practice allows the bakeware to adjust to a more moderate temperature, further decreasing the chance of cracking.
- Avoid Direct Flame or Heat Sources: Do not place bakeware directly on stovetops or under broilers, as direct heat can cause uneven temperature distribution. Instead, use the bakeware only in conventional ovens where heat surrounds it evenly.
- Select Bakeware with Thick Walls: Bakeware with thicker walls can help insulate against sudden temperature changes. Thicker materials provide better thermal stability, reducing the likelihood of thermal shock compared to thinner options.
- Follow Manufacturer’s Instructions: Always adhere to the usage guidelines provided by the manufacturer regarding temperature limits and care instructions. These guidelines are tailored to ensure the longevity and safety of the bakeware.
What Best Practices Ensure a Safe Transition from Freezer to Oven?
To ensure a safe transition from freezer to oven, several best practices should be followed when selecting bakeware.
- Material Selection: Choose bakeware made from materials like glass, ceramic, or certain metals that are designed to withstand temperature changes. These materials are usually more resistant to thermal shock, which can cause cracking or breaking when transitioning from extreme cold to high heat.
- Check for Labels: Look for bakeware that explicitly states it is freezer-to-oven safe. Manufacturers often provide guidance on the temperature ranges their products can tolerate, and using items that meet these specifications reduces the risk of damage.
- Gradual Temperature Changes: Avoid placing frozen bakeware directly into a hot oven. Instead, allow the bakeware to sit at room temperature for a short period before heating it, which helps to minimize thermal shock and protect the integrity of the dish.
- Use of Protective Liners: Consider using a layer of parchment paper or silicone mats underneath food in the bakeware. This can prevent direct contact with the hot surface, helping to distribute heat more evenly and reducing the risk of cracking.
- Avoid Extreme Temperature Fluctuations: Do not move bakeware from the freezer to the microwave or stovetop and then into the oven without allowing it to stabilize at room temperature. Such drastic temperature changes can stress the material and lead to breakage.
- Proper Handling: Use oven mitts or heat-resistant gloves when handling hot bakeware, especially after it has been in the freezer. This prevents accidental drops and injuries, and ensures you maintain a firm grip on the cold material transitioning to a hot environment.