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MRCOOL 5kw ProDirect Heat Kit, PHK05H

SKU PHK05H
by MRCOOL
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Description

MRCOOL 5 KW ProDirect Heat Kit (PHK05H)

Reliable Supplemental Heat. Effortless Compatibility. Comfort When It Matters Most.

Upgrade your client’s comfort with the MRCOOL 5 KW ProDirect Heat Kit, designed exclusively for the MRCOOL ProDirect Series air handlers. This compact and powerful heat kit is the perfect solution for providing immediate, reliable warmth during the coldest days or unexpected heat pump interruptions.

Why Install a Heat Kit?

Heat kits deliver direct electric heating—up to 20,000 BTU—straight into the ductwork, acting as an essential backup source for emergency situations or severe cold snaps. While intended for short-term or supplemental use, this heat strip ensures your customers never have to worry about staying warm when they need it most.

Hassle-Free Professional Installation
  • Perfectly compatible with ProDirect 18K, 24K, 30K, 36K, 42K, 48K, and 60K air handlers—ensures seamless fit and quick installation.
  • Compact, lightweight design—easy to handle and install in tight spaces.
  • UL Listed—for added peace of mind and safety assurance.
Key Features for Your Business
  • 5 KW (15,001 – 20,000 BTU) heating capacity—ideal for spaces up to 800 sq. ft.
  • Reliable emergency and supplemental heat—keeps clients comfortable during extreme cold or system downtime
  • Voltage: 240V/25A (verify your installation meets these requirements)
  • Dimensions: 9"W x 2.6"D x 12"H
  • Max Fuse Breaker: 60A
The Professional’s Choice for All-Season Comfort

Don’t let your clients get caught in the cold. The MRCOOL 5 KW ProDirect Heat Kit is your dependable solution for on-demand backup heat—delivering consistent comfort and satisfaction with every ProDirect air handler installation.

Choose MRCOOL—where reliability, safety, and comfort always come standard.

PRODUCT SPECIFICATIONS:

Product Dimensions 9"W x 2.6"D x 12"H
Equipment Type Heat Kit
Heating Capacity 15,001 - 20,000 BTU
Estimated Coverage Area 800 square feet
Voltage Requires a minimum of 240V/25A (please check your home meets this electrical requirement prior to purchase)
Max Fuse Breaker 60 A
Rate Load 5
Auxiliary Heater Sizes 5 KW
Certificate UL Listed
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: No Zone

  • 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 ProDirect Heat Kit (PHK05H)

Reliable Supplemental Heat. Effortless Compatibility. Comfort When It Matters Most.

Upgrade your client’s comfort with the MRCOOL 5 KW ProDirect Heat Kit, designed exclusively for the MRCOOL ProDirect Series air handlers. This compact and powerful heat kit is the perfect solution for providing immediate, reliable warmth during the coldest days or unexpected heat pump interruptions.

Why Install a Heat Kit?

Heat kits deliver direct electric heating—up to 20,000 BTU—straight into the ductwork, acting as an essential backup source for emergency situations or severe cold snaps. While intended for short-term or supplemental use, this heat strip ensures your customers never have to worry about staying warm when they need it most.

Hassle-Free Professional Installation
  • Perfectly compatible with ProDirect 18K, 24K, 30K, 36K, 42K, 48K, and 60K air handlers—ensures seamless fit and quick installation.
  • Compact, lightweight design—easy to handle and install in tight spaces.
  • UL Listed—for added peace of mind and safety assurance.
Key Features for Your Business
  • 5 KW (15,001 – 20,000 BTU) heating capacity—ideal for spaces up to 800 sq. ft.
  • Reliable emergency and supplemental heat—keeps clients comfortable during extreme cold or system downtime
  • Voltage: 240V/25A (verify your installation meets these requirements)
  • Dimensions: 9"W x 2.6"D x 12"H
  • Max Fuse Breaker: 60A
The Professional’s Choice for All-Season Comfort

Don’t let your clients get caught in the cold. The MRCOOL 5 KW ProDirect Heat Kit is your dependable solution for on-demand backup heat—delivering consistent comfort and satisfaction with every ProDirect air handler installation.

Choose MRCOOL—where reliability, safety, and comfort always come standard.

PRODUCT SPECIFICATIONS:

Product Dimensions 9"W x 2.6"D x 12"H
Equipment Type Heat Kit
Heating Capacity 15,001 - 20,000 BTU
Estimated Coverage Area 800 square feet
Voltage Requires a minimum of 240V/25A (please check your home meets this electrical requirement prior to purchase)
Max Fuse Breaker 60 A
Rate Load 5
Auxiliary Heater Sizes 5 KW
Certificate UL Listed
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

You'll hear from us during business hours

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 5kw ProDirect Heat Kit, PHK05H

Most Frequently Asked Questions

The MRCOOL 5kW ProDirect Heat Kit PHK05H is designed to provide supplemental electric heating for compatible MRCOOL mini split systems, delivering 5,000 watts of direct electric heat to enhance warmth in heating mode, especially in colder climates or during extreme temperatures.
The MRCOOL 5kW ProDirect Heat Kit PHK05H is compatible with select MRCOOL mini split models that support auxiliary electric heat, typically including larger single-zone units such as the 18,000 BTU and 24,000 BTU models; for exact compatibility, refer to MRCOOL’s official documentation or contact their customer support.
Yes, professional installation is strongly recommended for the MRCOOL 5kW ProDirect Heat Kit to ensure proper electrical connections, safe integration with the mini split system, and compliance with local codes and safety standards.

Other Questions

The ProDirect Heat Kit provides supplemental electric heat that boosts the mini split’s heating capacity during extremely cold temperatures, ensuring consistent and efficient warmth when the heat pump alone might struggle to maintain desired indoor temperatures.
The MRCOOL PHK05H 5kW ProDirect Heat Kit typically requires a dedicated 240V, 25-30 amp circuit, with wiring and breaker sizes complying with local electrical codes; professional installation is essential to ensure safe and proper electrical connections.

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