---
title: "Evaporator replacement"
description: "Sub-Zero evaporator replacement — usually follows a sealed system diagnosis. Heavy frost on one shelf, a zone that will not hold, or a defrost cycle that…"
url: "https://subzeromiami.support/services/evaporator-replacement/"
date_modified: "2026-08-18"
Appliance type: "Built-in refrigerators, Freezers, Undercounter &amp; drawers"
---


# Evaporator replacement

Service

# Sub-Zero evaporator replacement

Usually follows a sealed system diagnosis. Heavy frost on one shelf, a zone that will not hold, or a defrost cycle that never quite finishes are the symptoms that lead here.

- **From $95**

							diagnostic, credited to the repair
- **59**

							cities and neighborhoods covered
- **OEM**

							parts available on order
- **In writing**

							the price, before anything is opened

## Book a diagnostic visit

Your model number and a line about what it is doing is enough to get started.

Your details stay private. No spam, ever.

Before you read on

## What this job costs and how it is agreed

A starting figure, not a quote. What moves it is the model, how the unit is built in and which part it needs — settled after the on-site diagnostic.

Starts at

from

														$650

After a diagnostic from $95, which comes off the bill when you go ahead.

or call [(305) 570-1472](tel:+13055701472)

Diagnostic

From $95, credited to the repair

The price

In writing, before anything is opened

Warranty

On the labor we performed

On the visit

## How this visit actually goes

The same order every time, so nothing is opened and nothing is charged before you have seen the figure and said yes.

- 01

												Which zone, and how much frost

													Frost on one zone while the other holds is the pattern that points here. We read the codes and check the defrost circuit before deciding the coil is the problem.

### Which zone, and how much frost

Frost on one zone while the other holds is the pattern that points here. We read the codes and check the defrost circuit before deciding the coil is the problem.

- 02

												Heater and thermistor with it

													A defrost heater or thermistor that failed is what let the frost build in the first place. Replacing the coil and leaving them is how the same call comes back.

### Heater and thermistor with it

A defrost heater or thermistor that failed is what let the frost build in the first place. Replacing the coil and leaving them is how the same call comes back.

- 03

												Access planned, not discovered

													The evaporator sits behind panels in a cabinet fitted to your cabinetry. We agree how it comes apart before the visit, not on your kitchen floor.

### Access planned, not discovered

The evaporator sits behind panels in a cabinet fitted to your cabinetry. We agree how it comes apart before the visit, not on your kitchen floor.

- 04

												Airflow checked on the way out

													The zone is run back down and the airflow verified, because a new coil in a blocked air path performs exactly like the old one.

### Airflow checked on the way out

The zone is run back down and the airflow verified, because a new coil in a blocked air path performs exactly like the old one.

The money

## What this usually costs in South Florida

The starting figure, the range the market quotes around it, and what pushes a job to either end.

- Evaporator replacement cost
					Usually follows a sealed system diagnosis rather than standing alone. Heavy frost on one shelf, a zone that will not hold, or a defrost cycle that never finishes are what lead here.

														Cheaper on its own than combined with sealed system work

														The defrost heater and thermistor are checked with it

														Access is planned before the visit, not discovered on the day

								[

				See the cost range

			](https://subzeromiami.support/repair-cost/evaporator-replacement/)

### Evaporator replacement cost

Usually follows a sealed system diagnosis rather than standing alone. Heavy frost on one shelf, a zone that will not hold, or a defrost cycle that never finishes are what lead here.

- Cheaper on its own than combined with sealed system work
- The defrost heater and thermistor are checked with it
- Access is planned before the visit, not discovered on the day
Applies to

## The Sub-Zero units we carry this work out on

- Classic · Designer · PRO
					Sub-Zero refrigerator repair in Miami

					Columns, over-and-under, French door and side-by-side, from 30″ to 48″. These are built into your cabinetry and cannot simply be rolled out, so we plan the access before we arrive rather than discovering it in your kitchen.

														Not cooling, or cooling unevenly

														Dual refrigeration: one side warm

														Sealed system and compressor failures

								[

				Refrigerator repair

			](https://subzeromiami.support/appliances/refrigerator/)
Classic · Designer · PRO

### Sub-Zero refrigerator repair in Miami

Columns, over-and-under, French door and side-by-side, from 30″ to 48″. These are built into your cabinetry and cannot simply be rolled out, so we plan the access before we arrive rather than discovering it in your kitchen.

- Not cooling, or cooling unevenly
- Dual refrigeration: one side warm
- Sealed system and compressor failures
- Column & over-and-under
					Sub-Zero freezer repair in Miami

					Column freezers and freezer sections that frost over, run warm, or never quite hold their set point.

														Heavy frost build-up

														Defrost heater and thermistor failures

														Door and gasket sealing

								[

				Freezer repair

			](https://subzeromiami.support/appliances/freezer/)
Column & over-and-under

### Sub-Zero freezer repair in Miami

Column freezers and freezer sections that frost over, run warm, or never quite hold their set point.

- Heavy frost build-up
- Defrost heater and thermistor failures
- Door and gasket sealing
- Drawers & beverage centers
					Sub-Zero undercounter refrigerator repair in Miami

					Refrigerator drawers and beverage centers built into islands and bars.

														Drawer units running warm

														Control and display problems

														Condenser access in tight cabinetry

								[

				Undercounter repair

			](https://subzeromiami.support/appliances/undercounter/)
Drawers & beverage centers

### Sub-Zero undercounter refrigerator repair in Miami

Refrigerator drawers and beverage centers built into islands and bars.

- Drawer units running warm
- Control and display problems
- Condenser access in tight cabinetry
In more detail

## About Sub-Zero evaporator replacement

### Usually the second half of a sealed system diagnosis

An evaporator rarely fails in isolation. Heavy frost on one shelf, a zone that will not hold, or a defrost cycle that never quite finishes is what leads here — and the evaporator is often replaced alongside a defrost heater or thermistor found in the same visit.

### Why it is cheaper on its own

Quoted together with full sealed system work, evaporator jobs are commonly priced in the thousands. Standalone, the figure sits well below that. Which of the two you are looking at is exactly what the diagnostic settles, and it is the reason we do not quote this one over the phone.

### Access is planned, not discovered

Reaching an evaporator means dismantling part of the interior and sometimes the surrounding cabinetry. We ask how the unit is built in before the appointment so the right time is booked and the right parts ride in the van.

This article is based on:

- Official manufacturer documentation
- Internal repair procedures
- Technician repair history
- Company quality standards
Before you book

## Questions about Sub-Zero evaporator replacement

Quotes of $2,000–$3,000 usually cover the evaporator together with full sealed system work. On its own the figure sits well below that — which of the two you are looking at is what the diagnostic settles.

The defrost heater and the thermistor. Replacing an evaporator and leaving a failed defrost component behind means doing the work twice.

Enough to reach it, and sometimes some of the surrounding cabinetry. We ask how the unit is built in before the visit so the right time is booked.

Where we do it

## Across Miami-Dade, Broward, and Palm Beach

Same terms everywhere we go: an on-site diagnostic first, the price agreed in writing, and the exact figure confirmed once we have seen the unit.

### [

								Miami-Dade							](https://subzeromiami.support/service-area/miami-dade/)

- [Aventura](https://subzeromiami.support/service-area/miami-dade/aventura/)
- [Bal Harbour](https://subzeromiami.support/service-area/miami-dade/bal-harbour/)
- [Bay Harbor Islands](https://subzeromiami.support/service-area/miami-dade/bay-harbor-islands/)
- [Biscayne Park](https://subzeromiami.support/service-area/miami-dade/biscayne-park/)
- [Coral Gables](https://subzeromiami.support/service-area/miami-dade/coral-gables/)
- [Doral](https://subzeromiami.support/service-area/miami-dade/doral/)
- [

										15 more places									](https://subzeromiami.support/service-area/miami-dade/)

### [

								Broward							](https://subzeromiami.support/service-area/broward/)

- [Cooper City](https://subzeromiami.support/service-area/broward/cooper-city/)
- [Coral Springs](https://subzeromiami.support/service-area/broward/coral-springs/)
- [Fort Lauderdale](https://subzeromiami.support/service-area/broward/fort-lauderdale/)
- [Hallandale Beach](https://subzeromiami.support/service-area/broward/hallandale-beach/)
- [Hillsboro Beach](https://subzeromiami.support/service-area/broward/hillsboro-beach/)
- [Hollywood](https://subzeromiami.support/service-area/broward/hollywood/)
- [

										5 more places									](https://subzeromiami.support/service-area/broward/)

### [

								Palm Beach							](https://subzeromiami.support/service-area/palm-beach/)

- [Boca Raton](https://subzeromiami.support/service-area/palm-beach/boca-raton/)
- [Delray Beach](https://subzeromiami.support/service-area/palm-beach/delray-beach/)
- [Highland Beach](https://subzeromiami.support/service-area/palm-beach/highland-beach/)
- [Jupiter](https://subzeromiami.support/service-area/palm-beach/jupiter/)
- [Palm Beach Gardens](https://subzeromiami.support/service-area/palm-beach/palm-beach-gardens/)
- [

										2 more places									](https://subzeromiami.support/service-area/palm-beach/)
Neighborhoods people ask for by name

- [Brickell](https://subzeromiami.support/service-area/miami-dade/miami/brickell/)
- [Coconut Grove](https://subzeromiami.support/service-area/miami-dade/miami/coconut-grove/)
- [Cocoplum](https://subzeromiami.support/service-area/miami-dade/coral-gables/cocoplum/)
- [Design District](https://subzeromiami.support/service-area/miami-dade/miami/design-district/)
- [Gables Estates](https://subzeromiami.support/service-area/miami-dade/coral-gables/gables-estates/)
- [Old Cutler](https://subzeromiami.support/service-area/miami-dade/old-cutler/)
- [South of Fifth (SoFi)](https://subzeromiami.support/service-area/miami-dade/miami-beach/south-of-fifth/)
- [Star Island](https://subzeromiami.support/service-area/miami-dade/miami-beach/star-island/)
- [Coral Ridge](https://subzeromiami.support/service-area/broward/fort-lauderdale/coral-ridge/)
- [Harbor Beach](https://subzeromiami.support/service-area/broward/fort-lauderdale/harbor-beach/)
- [Harbor Islands](https://subzeromiami.support/service-area/broward/hollywood/harbor-islands/)
- [Las Olas](https://subzeromiami.support/service-area/broward/fort-lauderdale/las-olas/)
- [Rio Vista](https://subzeromiami.support/service-area/broward/fort-lauderdale/rio-vista/)
- [Seven Isles](https://subzeromiami.support/service-area/broward/fort-lauderdale/seven-isles/)
- [The Landings](https://subzeromiami.support/service-area/broward/fort-lauderdale/the-landings/)
- [Admirals Cove](https://subzeromiami.support/service-area/palm-beach/jupiter/admirals-cove/)
- [BallenIsles](https://subzeromiami.support/service-area/palm-beach/palm-beach-gardens/ballenisles/)
- [Mirasol](https://subzeromiami.support/service-area/palm-beach/palm-beach-gardens/mirasol/)
- [Royal Palm Yacht & Country Club](https://subzeromiami.support/service-area/palm-beach/boca-raton/royal-palm-yacht-and-country-club/)

## Tell us the model number and what it is doing.

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**[Read full article: Evaporator replacement](https://subzeromiami.support/services/evaporator-replacement/)**