Choosing the right PTC heater involves understanding both your specific needs and the technical aspects of the heater itself. Here is a comprehensive guide to help you make the best choice.

What a PTC Heater Is?

PTC heater is the common term for a heater that uses a positive temperature coefficient ceramic heating element.

Key Factors to Consider When Choosing

Walk through this checklist to narrow down your options.

1. Application & Placement (Where will it be used?)

This is the most important question, as it dictates size, power, and features.

Personal Space Heating: Small office, under a desk, next to a bed. (Small to medium units, often fan-forced).

Whole Room Heating: Living room, garage, large bedroom. (Larger, higher-wattage units with strong fans).

Silent Heating: For bedrooms, libraries, or offices. (Look for "fan-only" or "convection" modes or radiant-style PTC panels).

Industrial/Commercial: Warehouses, drying processes. (Often bare PTC elements or powerful fan heaters).

2. Power (Wattage) and Room Size

Wattage determines how much heat the heater can generate.

Basic Rule of Thumb: Roughly 10 watts per square foot of floor space.

Example: A 150 sq. ft. room needs about a 1500-watt heater.

Consider Insulation: Poorly insulated rooms (like garages or drafty old houses) may require a more powerful heater (e.g., 12-15 watts per sq. ft.).

3. Safety Features (Non-Negotiable!)

While PTC technology is inherently safe, additional features are crucial.

Tip-Over Switch: Automatically shuts the heater off if it's knocked over. Essential for households with pets or children.

Overheat Protection: A separate thermostat that cuts power if the internal temperature gets too high, even beyond the PTC self-regulation. This is a critical backup.

Cool-Touch Exterior: The body of the heater should remain safe to touch even when it's running.

4. Physical Design

Fan-Forced (Most Common): Uses a fan to blow air over the hot PTC elements. Heats up a room quickly and evenly. Best for most whole-room applications.

Radiant / Silent: Heats objects and people directly in front of it without a fan (like sunshine). Completely silent but best for personal, spot heating.

Top seller PTC HEATER in RAINBOW WAY

Model: RBW--E13

Feature

● 3 seconds warm up time——Using PCT heating element,heating up quickly

● High/Low thermostat setting allows energy and electricity savings

● Safe design: features an advanced safety system that includes a tip-over cutoff switch, stay-cool body and overheat protection sensor.

● Widespread oscillation

● 1,2,4,8-hour timer

● Heater range is 15 to 32 C°