20kW Heat Kit with Circuit Breaker for TruInverter series

The MRCOOL® Signature Series TruInverter™ 20kW Heat Kit is a high-capacity heating upgrade designed to maximize performance when paired with a compatible MRCOOL® Signature Series TruInverter™ air handler. Engineered for seamless integration, it works smoothly with supported thermostats to provide precise temperature control, helping maintain consistent, comfortable indoor conditions. Built-in overheat protection adds an extra layer of safety for reliable, worry-free operation.

Designed for efficiency and long-term durability, this heat kit delivers dependable supplemental heating while optimizing overall energy usage. Whether supplying additional warmth during extreme winter weather or serving as reliable backup heat during transitional seasons, the MRCOOL® 20kW Heat Kit provides efficient, consistent performance to keep your home comfortable year-round.

We process orders within 1-2 business days. Once your order has shipped, you will receive a confirmation email with tracking information.

Estimated Delivery Times
Standard Shipping: 3-7 business days
Expedited Shipping: 2-3 business day
Express Shipping: 1-2 business days
Delivery times may vary during holidays, promotions, or due to carrier delays.

Order Tracking

Once your order ships, you will receive a tracking number via email. Please allow up to 24 hours for tracking information to update.

We want you to love your purchase. If you're not completely satisfied, you may return eligible items within 30 days of delivery.

Return Requirements

Items must be:
Unused and in original condition

Returned with original packaging
Accompanied by proof of purchase
Non-Returnable Items

The following items cannot be returned:

Gift cards
Final sale items
Personalized or custom-made products
Digital products and downloads