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MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK05B

SKU MHK05B
by MRCOOL
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$159.00

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Description

MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker (MHK05B)

Essential Backup Heat. Effortless Integration. Peace of Mind for Every Install.

When your clients require dependable supplemental heat for their modular blower systems, the MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker is your go-to solution. Purpose-built for seamless compatibility with MRCOOL Signature Series Modular Blowers, this heat kit ensures comfort and reliability are always within reach—even during unexpected cold snaps or heat pump downtime.

Why Install a Heat Kit?

Heat kits provide immediate, direct electric warmth—delivering up to 20,000 BTU straight through the ductwork. They’re an essential safeguard for emergency situations or extreme cold, acting as a powerful backup when the primary heat source can’t keep up. While designed for short-term or supplemental use, this heat strip is the critical layer of protection your customers count on.

Hassle-Free Professional Installation
  • Designed for MRCOOL Signature Series Modular Blowers—guarantees a perfect fit and quick installation.
  • Integrated circuit breaker—adds safety, meets code, and streamlines future servicing.
  • Lightweight, compact design (just 5 lbs)—for easy handling and efficient setup.
Key Features for Your Business
  • 5 KW (15,001 – 20,000 BTU) heating capacity—ideal for supplemental heat in a variety of spaces
  • Reliable emergency and supplemental heat—keeps clients comfortable in any situation
  • Integrated circuit breaker—for enhanced safety and code compliance
  • Voltage: 208V-230V/60Hz/30A (ensure your installation meets these requirements)
  • Dimensions: 12.5"W x 23.5"D x 9"H
The Professional’s Choice for Reliable Comfort

Don’t let your clients be caught unprepared by the unexpected. The MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker is the smart choice for dependable, on-demand backup heat—delivering consistent comfort and satisfaction with every modular blower installation.

Choose MRCOOL—where safety, performance, and comfort come standard.

 

PRODUCT SPECIFICATIONS:

Product Dimensions 12.5"W x 23.5"D x 9"H
Product Weight 5 lbs
Heating Capacity 15,001 - 20,000 BTU
Voltage Requires a minimum of 208V-230V/60HZ/ 30A (please check your home meets this electrical requirement prior to purchase)
Phase 1
Cycle 60
Max Fuse Breaker 30 Amps
Color Gray
Auxiliary Heater Sizes 5 KW
Registered Warranty N/A
Contains Electronics Yes
Proposition 65 Warning Yes
Restricted States GU;PR;VI
Freight Class 250
Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US
Request an Installer

Product Overview

  • Zone / ROOM:

    Zone / ROOM:

  • Air Handler BTU:

    Air Handler BTU:

  • Condenser BTU:

    Condenser BTU:

  • Outdoor Operating Temp (Cool/ heat):

    Outdoor Operating Temp (Cool/ heat):

  • Warranty

    Warranty

Description

MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker (MHK05B)

Essential Backup Heat. Effortless Integration. Peace of Mind for Every Install.

When your clients require dependable supplemental heat for their modular blower systems, the MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker is your go-to solution. Purpose-built for seamless compatibility with MRCOOL Signature Series Modular Blowers, this heat kit ensures comfort and reliability are always within reach—even during unexpected cold snaps or heat pump downtime.

Why Install a Heat Kit?

Heat kits provide immediate, direct electric warmth—delivering up to 20,000 BTU straight through the ductwork. They’re an essential safeguard for emergency situations or extreme cold, acting as a powerful backup when the primary heat source can’t keep up. While designed for short-term or supplemental use, this heat strip is the critical layer of protection your customers count on.

Hassle-Free Professional Installation
  • Designed for MRCOOL Signature Series Modular Blowers—guarantees a perfect fit and quick installation.
  • Integrated circuit breaker—adds safety, meets code, and streamlines future servicing.
  • Lightweight, compact design (just 5 lbs)—for easy handling and efficient setup.
Key Features for Your Business
  • 5 KW (15,001 – 20,000 BTU) heating capacity—ideal for supplemental heat in a variety of spaces
  • Reliable emergency and supplemental heat—keeps clients comfortable in any situation
  • Integrated circuit breaker—for enhanced safety and code compliance
  • Voltage: 208V-230V/60Hz/30A (ensure your installation meets these requirements)
  • Dimensions: 12.5"W x 23.5"D x 9"H
The Professional’s Choice for Reliable Comfort

Don’t let your clients be caught unprepared by the unexpected. The MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker is the smart choice for dependable, on-demand backup heat—delivering consistent comfort and satisfaction with every modular blower installation.

Choose MRCOOL—where safety, performance, and comfort come standard.

 

PRODUCT SPECIFICATIONS:

Product Dimensions 12.5"W x 23.5"D x 9"H
Product Weight 5 lbs
Heating Capacity 15,001 - 20,000 BTU
Voltage Requires a minimum of 208V-230V/60HZ/ 30A (please check your home meets this electrical requirement prior to purchase)
Phase 1
Cycle 60
Max Fuse Breaker 30 Amps
Color Gray
Auxiliary Heater Sizes 5 KW
Registered Warranty N/A
Contains Electronics Yes
Proposition 65 Warning Yes
Restricted States GU;PR;VI
Freight Class 250
Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US

Commercial HVAC PROS!

Unlock Installer Benefits Now:

  • ✓ Exclusive BULK Pricing
  • ✓ Limited Time Deals
  • ✓ Unmatched Service & Support
  • ✓ Technical support
  • ✓ Extended Warranty & Maintenance
"Their technical expertise in commercial HVAC systems is outstanding. From equipment selection to installation support, they provided everything we needed. The bulk pricing saved us thousands on our multi-building project, and their 24/7 technical support kept us running smoothly."
- Marcus R., HVAC Project Manager, 06/24

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Request an Installer

Need Professional Installation?

Get Connected with Certified HVAC Installers:

  • ✓ Pre-Vetted, Licensed & Insured Installers
  • ✓ 2-3 Local Options in Your Area
  • ✓ Specialists in Your Equipment Type
  • ✓ Competitive, Transparent Pricing
  • ✓ Fast Response - Within 24 Hours

How it works:

1. Fill out the form below with your project details
2. We'll match you with 2-3 qualified installers in your area
3. Installers contact you directly with quotes and availability
4. You choose the best fit for your project

"I bought a heat pump online but wasn't sure about installation. HVAC Hive connected me with three local contractors within hours. I chose one based on reviews and pricing - he installed it perfectly the next week. Made the whole process so much easier!"
- Jennifer M., Homeowner, Phoenix AZ

✓ No obligation quotes | ✓ All installers background checked | ✓ Free service - you only pay the installer

We'll connect you with installers within 48 hours during business days

Frequently Asked Questions about MRCOOL 5 KW Signature Series Modular Blower Heat Strip with Circuit Breaker, MHK05B

Most Frequently Asked Questions

The MRCOOL 5 KW Signature Series Modular Blower Heat Strip MHK05B is designed to provide supplemental electric heating for compatible MRCOOL mini split systems, delivering 5,000 watts of additional heat through a blower strip to enhance indoor warmth, especially in colder climates or during extreme cold conditions.
The MRCOOL 5 kW Modular Blower Heat Strip (MHK05B) is compatible with MRCOOL Signature Series mini split indoor units sized around 9,000 to 12,000 BTU that are designed to support electric heat strips; for precise compatibility, refer to the specific unit’s installation manual or contact MRCOOL customer support.
No, the MRCOOL MHK05B heat strip does not come with a built-in circuit breaker; a properly rated external circuit breaker must be installed separately by a qualified electrician to ensure safe operation and code compliance.

Other Questions

Yes, professional installation is strongly recommended for the MRCOOL 5 KW Modular Blower Heat Strip to ensure correct electrical wiring, safe integration with the HVAC system, and compliance with local codes and safety standards.
The MRCOOL MHK05B 5 kW Modular Blower Heat Strip typically requires a dedicated 240V circuit with a 25-30 amp double-pole breaker and appropriately sized wiring (usually 10-gauge), but you should always consult the product manual and local electrical codes for exact specifications and have installation performed by a licensed electrician.

Reviews

Express Free Shipping

Process orders within 1-2 days

Stress Free Returns

Get Covered for (730 days) Returns

Premum Quality

Top Tier Products, Even Better Customer Care

5 Year Warranty

We Believe In Our Products & Our Team