When you’re getting started in food manufacturing and bottling services, you’ll have to decide how your product is filled. The method you choose, hot fill or cold fill, affects everything from shelf life to packaging materials.
At Frogmore Bottling Company, we specialize in both hot and cold fill services, helping brands find the best approach for their product type, flavor integrity, and distribution goals.
What Is Hot Fill?
Hot filling is commonly used for sauces, condiments, dressings, and other shelf-stable products. During this process, the product is heated to a high temperature before being filled into sterilized containers.
As the product cools and the container seals, it creates a vacuum effect, extending shelf life without the need for added preservatives.
Hot fill is ideal for:
- Acidified foods like BBQ sauce, hot sauce, or salsa
- Products meant to be stored at room temperature
- Brands looking for longer shelf stability
What Is Cold Fill?
Cold filling is used for products that are sensitive to heat or contain ingredients that could lose their flavor, texture, or nutritional value when heated. In this process, the product is cooled and then filled into sterilized containers under cleanroom conditions.
Cold fill products typically require refrigeration but can offer a fresher taste profile.
Cold fill is ideal for:
- Fresh juices, mixers, and refrigerated sauces
- Brands focused on “fresh-made” quality
How to Choose the Right Fill Method
Choosing between hot fill and cold fill depends on your product formulation, desired shelf life, and packaging format.
At Frogmore Bottling Company, our team helps you evaluate:
- Product pH and viscosity (which affect food safety and fill temperature)
- Packaging type (glass, pouches, etc.)
- Distribution model (retail shelf or foodservice packaging)
Hot or Cold, We’ve Got You Covered
Whether you’re launching a new hot sauce or a refrigerated mixer, we offer custom co-packing services to bring your vision to life. Our SQF and GFSI-certified facility is equipped for both hot and cold fill production, ensuring your product meets the highest safety and quality standards.
We’re more than a contract bottling company, we’re your co-packing partner, guiding you from testing and formulation to labeling and packaging compliance.
Ready to discuss your next batch?
Contact us to learn how our bottling and packaging experts can help you choose the right fill method for your product.


