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MHK08U MrCool Heating Kit Universal Air Handler Electric Heat Strip, 8kW

Regular price $162.00 USD
Regular price Sale price $162.00 USD
Sale Sold out
Shipping calculated at checkout.

Benefits & Features

✅ Emergency Heating: Ensure a reliable source of emergency heat for your MRCOOL Universal air handler with the electric heat strip.
✅ Safety Circuit Breaker: Equipped with a built-in circuit breaker, enhancing safety during operation.
✅ Quality Assurance: cUL/UL Listed for compliance with rigorous safety and quality standards.
✅ Prop65 Compliant: Designed in accordance with Prop65 regulations, prioritizing user safety and environmental standards.

Product Specifications

Item Dimensions: 22”(L) X 12” (W) X 7” (H)
Item Weight: 8 lbs
Item Color / Finish: Gray

Heating Capacity: 25,001 BTU/H - 30,000 BTU/H
Auxiliary Heater Sizes: 8 kW
Maximum Amperage: 45 Amp
Min Circuit Ampacity: 40A
Maximum Voltage: 208V/230V
Electrical Phase: 1 Ph
Wattage: 8,000w
Cycle: 60

Has Batteries: No
Electronics: Yes
Chemicals: No
Aerosol: No
Compressed Gas: No
Restricted States: GU;PR;VI
Made in USA: YES
Certificate: cUL/UL Listed, Prop65

Manuals & Documentations

Owner & Installation Manual,
Compatibility Sheet,

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📞: (352) 432-8730

How We Ship Your Order

Order Confirmation: As soon as you place your order, you will receive an order confirmation email automatically. This confirms we received your order and pre-authorized your credit card.

We Process Your Order: We work in the background to match your order with the closest available inventory to you. We work with and confirm availability with our warehouse network, and we get a confirmation the order has shipped. This process typically takes 3-5 days but can be several weeks (if your item is made to order).

We Navigate & Keep You Informed: We make sure you receive your orders as smoothly as possible. If there are any challenges with stock availability, shipping times, shipping carrier cost changes, damages that occur during shipping, or anything else, we are here to help. We will reach out to you by email, sms or phone to make sure you are always informed.

We Provide Shipment Tracking: All orders will be shipped via small parcel or shipped via freight companies that specialize in larger products. As soon as your order has shipped, tracking information will be sent via email or sms. We aim to provide tracking within 3 days from the time when we receive the order from you.

Your Order is Delivered: Once your shipment arrives, inspect the packaging before accepting and signing for delivery whenever possible.

If anything does arrive damaged, take photos and reach out to us immediately. Keep everything together (do not discard packaging or shipping materials) and wait for instructions so your order can be returned and exchanged for an undamaged and working product.

What if I need to cancel?

  1. Cancellations of Made-to-Order Items: Once confirmed, an order for a made-to-order item may be considered final and partially (up to fully) non-refundable. 
  2. Cancellations of Available Items: If the item you ordered is available for shipping, it may ship within 24-48 hours of your order. If an item is already shipped, the order can not be canceled. We will help you return the item, but restocking fees may apply if canceled after shipping. Read the full policy.
  3. Cancellations of Preorders: If an item is not currently available, but we keep your order in place as a pre-order. You are welcome to cancel; however, please note that fees will apply as costs are incurred. 

The 8kW heat strip from MRCOOL, equipped with a circuit breaker, serves as a reliable source of emergency heat and is compatible with 48000 BTU/H Universal Air Handlers.


  • Ref. Air Handler use — 
    • MDUI18024
    • MDUI18036

Also available in:

Warning: This product can expose you to chemicals including Lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm:

Frequently Asked Questions about the MHK08U MrCool Heating Kit Universal Air Handler Electric Heat Strip, 8kW

What is an electric heat strip?

An electric heat strip is a heating element designed to provide supplemental heat in HVAC systems, particularly in air handlers.

How does an electric heat strip work?

Electric heat strips work by using electrical resistance to generate heat when activated. They are typically installed within air handlers to warm the air before it is distributed.

What is the purpose of using an electric heat strip in HVAC systems?

The primary purpose is to supplement heating in situations where the main heating source may not be sufficient, providing additional warmth as needed.

Are electric heat strips energy-efficient?

Electric heat strips are generally considered efficient, but their energy consumption can vary. Using them judiciously and in conjunction with a thermostat helps optimize energy use.

Can I install an electric heat strip in my existing HVAC system?

In many cases, yes. However, it's essential to consult with a professional HVAC technician to ensure compatibility and proper installation.