How Do Ice Makers Work in Top & Bottom Freezer Refrigerators?
Q: I’m considering a more traditional top-freezer or bottom-freezer refrigerator. How do the ice makers in those models work compared to French door and side-by-side refrigerators?
A: Top-freezer and bottom-freezer refrigerators typically use straightforward, freezer-based ice makers. The ice maker is mounted inside the freezer and drops cubes into a small bin underneath. Some models come with the ice maker installed from the factory, while others are “ice maker ready” and use a manufacturer-approved add-on kit. Because these systems stay fully in the freezer and avoid door-mounted dispensers, they’re often reliable and easier to service than more complex in-door setups.
Ice Makers in Top-Freezer Refrigerators
In classic top-freezer refrigerators, you’ll usually find:
- A compact ice maker mounted on the side wall or rear wall of the freezer.
- A small ice bin sitting below the ice maker (often on a shelf).
- No in-door dispenser—ice is scooped directly from the bin.
Many top-freezer models are sold without an ice maker installed but include wiring and plumbing ports for a factory ice maker kit.
Ice Makers in Bottom-Freezer Refrigerators
Bottom-freezer refrigerators typically place the ice maker:
- Inside the lower freezer drawer, usually along the back or side wall.
- With a bin that lifts out or slides forward for access.
Some designs route ice upward to a dispenser in the fresh food door, but the ice is still made and stored in the freezer compartment.
How the Ice Cycle Works
Whether the freezer is on top or bottom, the ice-making process is very similar across most brands:
- Water fill: The refrigerator’s inlet valve opens briefly to send a measured amount of water into the ice mold.
- Freeze cycle: The freezer freezes the water into solid cubes.
- Harvest cycle: A small motor or ejector mechanism releases cubes into the bin.
- Access: Ice is scooped by hand, or routed to a dispenser on select models.
This freezer-based method keeps ice in a consistently cold environment, which helps reduce melting and clumping.
Pros of Top & Bottom Freezer Ice Makers
Our friendly technicians in yellow often recommend these layouts for homeowners who value:
- Simplicity: Fewer door-related moving parts and less dispenser complexity.
- Consistent temperatures: Ice stays fully in the freezer, away from warmer fresh-food air.
- Serviceability: Easier access to the ice maker, bin, and water line connections.
- Flexibility: Many models allow an ice maker to be added later with an approved kit.
Trade-Offs to Keep in Mind
There are a few practical downsides, depending on your household:
- Less convenience than in-door ice and water dispensers.
- Bottom-freezer ice bins may require bending or reaching.
- Ice bin size (and daily ice capacity) varies a lot by model.
For many families, the reliability and simplicity are worth the convenience trade-off.
Who These Refrigerator Styles Are Best For
Top-freezer and bottom-freezer refrigerators are often a great fit if you:
- Prefer straightforward, reliable appliance designs.
- Don’t mind scooping ice from a bin.
- Want a budget-friendly option that’s often easier to service long-term.
When to Call Beacon
If you’re comparing a top-freezer, bottom-freezer, French door, and side-by-side refrigerator—and you’re unsure which ice maker layout fits your family’s needs—our friendly technicians in yellow can walk you through real-world pros and cons for Florida homes and help you choose confidently.
More Refrigerator & Ice Maker Help
For more style comparisons, visit the Refrigerator Ice Maker Help Center (Brands & Styles) or read: