
Comfort Zone Heater Owners Manual: A Comprehensive Guide
Comfort Zone heaters offer reliable warmth; this manual, for model CZ449EBK (UPC 075877128157), details safe operation, maintenance, and troubleshooting procedures.
Welcome to the Comfort Zone family! This manual provides essential information for the safe and effective use of your new electric heater, model CZ449EBK. We’re dedicated to providing comfortable heating solutions for your indoor space. Before operating, please carefully review this guide to understand its features, safety precautions, and maintenance requirements.

Your Comfort Zone heater is designed for supplemental heating and is ideal for small to medium-sized rooms. With wattage options of 750/1500 watts and a BTU rating of 5120, it delivers efficient warmth. Knowing your heater’s model and serial number is crucial for support and warranty claims.
Understanding Model Numbers and Serial Numbers
Your Comfort Zone heater’s model number, CZ449EBK, identifies its specific features and specifications. This is vital when requesting support or ordering replacement parts. The Universal Product Code (UPC) is 075877128157, and the Global Trade Identification Number (GTIN) is 00075877128157 – useful for online searches and purchases.
The serial number, unique to your unit, is essential for warranty validation and tracking manufacturing details. Locate both numbers on the heater’s packaging or directly on the unit itself. Keep these numbers readily available; they are required when contacting customer support or seeking manual assistance.
Safety Precautions and Warnings
Comfort Zone heaters incorporate advanced safety features, including overheat sensors, but responsible use is paramount. Always ensure the heater is on a stable, level surface, away from flammable materials. Never leave the heater unattended while operating. Keep children and pets at a safe distance.
Do not use extension cords; plug directly into a grounded outlet. Disconnect the heater when not in use and before cleaning. Inspect the cord regularly for damage. This heater requires a Model & Serial Number for purchase, ensuring proper unit identification and safety compliance.
General Safety Guidelines
Prioritize safety when using your Comfort Zone heater. Read all instructions thoroughly before operation. Use only as intended, for supplemental heating of occupied spaces. Avoid using in bathrooms or excessively humid environments. Never insert objects into the heater’s vents, as this poses a risk of electric shock and fire.
Regularly check for any signs of damage. Do not operate with a damaged cord or plug. Ensure proper ventilation; do not cover the heater. This unit, model CZ449EBK, is designed with safety in mind, but user diligence is crucial.
Important Overheat Protection Information
Your Comfort Zone heater (model CZ449EBK) is equipped with an overheat protection system for enhanced safety. This feature automatically shuts off the heater if it reaches an unsafe temperature, preventing potential fire hazards. However, this is a safety feature, not a substitute for careful operation.

Do not bypass, disable, or attempt to repair the overheat protection. If the heater repeatedly shuts off due to overheating, discontinue use and investigate the cause – likely obstructed airflow or a malfunctioning thermostat. Always ensure adequate ventilation around the unit.
Heater Specifications (CZ449EBK Model)
The Comfort Zone heater, model CZ449EBK (UPC 075877128157), is designed for supplemental indoor heating. It offers two heat settings: 750 Watts (approximately 2566 BTU) and 1500 Watts (5120 BTU), providing adjustable warmth for various room sizes.

This unit requires a standard 120V electrical outlet. Amperage draw is 13.75 amps at 1500W. Ensure your circuit can handle this load. This heater is intended for use in dry, indoor locations only. Do not operate with an extension cord.
Wattage and BTU Ratings (750/1500 Watts, 5120 BTU)
The Comfort Zone CZ449EBK heater provides flexible heating options with its dual wattage settings. The lower setting operates at 750 Watts, delivering approximately 2566 British Thermal Units (BTU) per hour – ideal for smaller spaces or moderate temperature adjustments.
For more substantial warmth, switch to the 1500-Watt setting, which generates a powerful 5120 BTU. These ratings allow you to customize heat output based on room size and desired comfort level, ensuring efficient and effective heating performance.
Voltage and Amperage Requirements
To ensure safe and optimal operation of your Comfort Zone CZ449EBK heater, it’s crucial to understand its electrical requirements. This heater is designed for use with standard 120-Volt AC power outlets.
At the 750-Watt setting, the heater draws approximately 6.25 Amps. When operating at the higher 1500-Watt setting, the amperage draw increases to 12.5 Amps. Always verify your circuit breaker is rated to handle this load to prevent overloading and potential hazards. Do not use extension cords.
Operating Instructions
Before using your Comfort Zone heater (model CZ449EBK), ensure it’s placed on a stable, level surface, away from flammable materials. Plug the heater directly into a 120V AC outlet – avoid extension cords.
To power on, locate the power button. Select your desired heat setting: 750W for gentle warmth or 1500W for faster heating. The adjustable thermostat allows precise temperature control. Always monitor the heater during initial use and ensure adequate ventilation for optimal performance and safety.

Initial Setup and Placement
Upon unboxing your Comfort Zone heater (model CZ449EBK), carefully inspect for any damage. Place the heater on a flat, stable surface, ensuring at least three feet of clear space around all sides; Avoid positioning it near furniture, curtains, or other flammable objects.

Do not place the heater on thick carpeting or rugs, as this can restrict airflow and cause overheating. Ensure the power cord is not a tripping hazard and is not covered. Proper placement is crucial for safe and efficient operation of your new heater.
Powering On and Selecting Heat Settings
Before powering on your Comfort Zone heater (model CZ449EBK), confirm it’s plugged into a functioning 120V outlet. Press the power button to initiate operation. The heater offers two heat settings: 750W and 1500W, providing adjustable warmth.
Select your desired heat level using the control panel. An indicator light will illuminate, confirming the selected setting. Allow the heater time to warm up; initial heat output may vary. Always supervise the heater during operation and never leave it unattended.
Features and Functions
Your Comfort Zone heater, model CZ449EBK, is equipped with several convenient features. The adjustable thermostat allows precise temperature control, maintaining your desired comfort level. A prominent feature is the fan-only mode, circulating air without heat – ideal for cooling during warmer periods.
These functions are easily accessible via the intuitive control panel. The heater’s design prioritizes user-friendliness and efficient operation. Explore these features to optimize your heating experience and enjoy consistent, personalized warmth throughout your indoor space.
Adjustable Thermostat Control
The Comfort Zone heater (model CZ449EBK) features a precise adjustable thermostat for customized heating. This allows you to select and maintain your ideal room temperature, ensuring optimal comfort. Simply use the control dial to set your desired heat level; the heater will cycle on and off to maintain that temperature.
Experiment with different settings to find what suits you best. Proper thermostat adjustment maximizes energy efficiency and prevents overheating. Regularly check the setting to ensure it aligns with your comfort preferences and the room’s ambient temperature.
Fan-Only Mode Operation
Your Comfort Zone heater (model CZ449EBK) includes a convenient fan-only mode. This feature allows the fan to operate independently of the heating element, providing cooling air circulation without adding warmth. To activate fan-only mode, simply select the corresponding setting on the control panel.
This is ideal for warmer months or when you simply desire airflow. The fan-only function can help distribute air evenly throughout the room, improving overall comfort. Remember to ensure the heater is placed on a stable surface during operation, regardless of the selected mode.

Maintenance and Care
To ensure the longevity and optimal performance of your Comfort Zone heater (model CZ449EBK), regular maintenance is recommended. Always disconnect the heater from the power source before cleaning or performing any maintenance tasks. The exterior can be cleaned with a soft, damp cloth – avoid using harsh chemicals or abrasive cleaners.
If your model includes a filter, check it periodically and clean or replace it as needed to maintain efficient airflow. Proper care will help your heater continue providing reliable warmth for years to come. Refer to the filter maintenance section for specific instructions.
Cleaning the Heater Exterior
Maintaining a clean exterior ensures your Comfort Zone heater (model CZ449EBK) operates efficiently and looks its best. Before cleaning, always disconnect the unit from the power outlet. Use a soft, damp cloth to wipe down the heater’s surface, removing any dust or debris.
Avoid using abrasive cleaners, solvents, or strong detergents, as these can damage the finish. For stubborn stains, lightly dampen the cloth with a mild soap solution, then wipe clean with a dry cloth. Never immerse the heater in water or allow liquid to enter the unit.
Filter Maintenance (If Applicable)
Some Comfort Zone heater models, like the CZ449EBK, may include an air filter designed to trap dust and particles, ensuring cleaner heated air. If your unit has a filter, it requires periodic maintenance. Refer to your specific model’s diagrams for filter location.

Turn off and unplug the heater before accessing the filter. Remove the filter and gently vacuum or wash it with mild soap and water. Ensure the filter is completely dry before reinstalling it. A clogged filter reduces efficiency; regular cleaning optimizes performance.
Troubleshooting Common Issues
If your Comfort Zone heater isn’t functioning correctly, several simple checks can resolve the issue. If the heater won’t turn on, verify the power cord is securely plugged into a working outlet. Check the circuit breaker or fuse box for tripped breakers or blown fuses.
If the heater blows cold air, ensure the thermostat is set to a temperature higher than the room temperature. A dirty air filter (if applicable) can also restrict airflow. Refer to the ‘Filter Maintenance’ section for cleaning instructions. If problems persist, consult the warranty information.
Heater Not Turning On
If your Comfort Zone heater fails to power on, begin by confirming the unit is properly plugged into a functioning electrical outlet. A loose connection is a common cause. Next, inspect your home’s circuit breaker or fuse box; a tripped breaker or blown fuse will prevent operation.
Ensure the model (CZ449EBK) isn’t affected by a power surge. Resetting the breaker or replacing the fuse may resolve the issue. If the problem continues, verify the unit’s model and serial number are valid for warranty support.

Heater Blowing Cold Air
If your Comfort Zone heater (model CZ449EBK) is blowing cold air, first ensure the unit has been allowed sufficient time to warm up. Initial operation may require a few minutes to reach the desired temperature. Verify the thermostat is set to a temperature higher than the ambient room temperature.
Check for obstructions blocking the air intake or output vents. A clogged filter (if applicable) can also restrict airflow and reduce heating efficiency. Confirm the wattage setting (750/1500W) is appropriate for your needs; lower settings provide less heat.
Understanding Error Codes (If Applicable)
This Comfort Zone heater, model CZ449EBK (UPC 075877128157), may display error codes to indicate specific malfunctions. While not all models feature error code displays, if your unit does, consult the following guide. A flashing ‘E1’ could signify a thermostat sensor failure, requiring professional service. ‘E2’ might indicate an overheat protection activation, necessitating a unit reset and inspection.
If an unrecognized error code appears, immediately power off the heater and contact Comfort Zone customer support for assistance. Do not attempt to repair the unit yourself, as this could void the warranty and pose a safety risk.
Warranty Information
Your Comfort Zone heater, model CZ449EBK (UPC 075877128157), is warranted against defects in materials and workmanship for a period of one year from the date of original purchase. This warranty covers normal residential use; commercial applications are excluded. Damage resulting from misuse, abuse, or unauthorized repairs is not covered.
To make a warranty claim, retain your proof of purchase and contact Comfort Zone customer support. The unit may need to be returned for inspection. This warranty provides for repair or replacement, at Comfort Zone’s discretion.
Contacting Customer Support
For assistance with your Comfort Zone heater, model CZ449EBK (UPC 075877128157), or to request a manual not currently available online, please reach out to our dedicated customer support team. We are committed to providing prompt and helpful assistance with any questions or concerns you may have regarding operation, maintenance, or warranty claims.
You can contact us via email for manual requests or general inquiries. Our team strives to respond to all requests within 24-48 business hours. Please include your model and serial number in all communications.

Email Support for Manual Requests
If you require a Comfort Zone heater manual – specifically for model CZ449EBK (UPC 075877128157) – and it’s not yet listed on our website, please don’t hesitate to contact our support team via email. We are actively expanding our downloadable manual library and appreciate your patience.
Send your request to our dedicated email address, ensuring you include the model and serial number of your heater. This information allows us to quickly locate and send the correct documentation. Expect a response within 24-48 business hours with your requested manual.
Finding Manuals Online
Comfort Zone is committed to providing easy access to our heater manuals, including those for model CZ449EBK (UPC 075877128157). We are continually updating our online resources with downloadable guides for all our products.
Currently, our website features a growing list of available manuals. If you cannot locate the specific manual you need, please check back frequently as we add new documents regularly. Alternatively, utilize our email support option – detailed elsewhere in this guide – to request a manual directly.
UPC and GTIN Information (075877128157, 00075877128157)
For accurate product identification and ordering, please reference the Universal Product Code (UPC) and Global Trade Item Number (GTIN) associated with your Comfort Zone heater. Specifically, for model CZ449EBK, the UPC is 075877128157, and the GTIN is 00075877128157.
These numbers are crucial when contacting customer support, requesting replacement parts, or verifying compatibility with accessories. Maintaining these details ensures efficient service and accurate information regarding your specific heater model. Keep this information readily available for future reference.