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5 KW Air Handler Heat Strip with Circuit Breaker
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Signature·Pro InstallComponent

5 KW Air Handler Heat Strip with Circuit Breaker

Component — Not a Complete System

This is a heat strip kit — supplemental heating that installs into a compatible air handler. It is not an HVAC system on its own.

SKU MHK05H

15 BTUup to 450 sq ft208-230
$149.00
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Sold out at MrCool right now

Request a quote and we'll check when it's back, or match you to the closest in-stock unit.

We'll reply by email with availability or an in-stock alternative, and you can message us about it any time.

N/A warranty · Covers up to 450 sq ft
Ships nationwide · exact freight at checkout
30-day returns on unopened products · See policy
Secure checkout:Visa · Mastercard · Amex · Discover

Sizing Help

Not sure if 0K BTU is right for your space?

Proper sizing prevents short-cycling, high bills, and premature failure. Our sizing tool takes 60 seconds.

Match My SpaceOr call (657) 582-0899

Description

5 KW Air Handler Heat Strip with Circuit Breaker

What's in the Box

Here's what you'll receive with your order

Wall-Mount Air Handler

Indoor ductless mini-split unit

Wireless Remote Control

Handheld remote with temperature control

Mounting Plate & Hardware

Wall mounting bracket and screws

Owner Manual

Installation and operation guide

2 Years compressor warranty
Compressor: 2 Years warrantyParts: 1 Year warranty

Key Specifications

208-230V

Voltage

15,001 - 20,000BTU

Heating Capacity

5 KW Air Handler Heat Strip with Circuit Breaker — Model Details

What this specific model is sized for, how it installs, how it performs, and what it costs to run.

Room & Space Coverage — 15 BTU

The 5 KW Air Handler Heat Strip with Circuit Breaker delivers 15 BTU of cooling and heating capacity, sized for spaces up to 450 sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit targets small rooms, nurseries, tiny homes, enclosed porches, and dedicated zones that need precise temperature control without oversizing — oversized units short-cycle, which hurts humidity control and shortens compressor life.

Power & Electrical Requirements

Power requirement: 208-230V 1-phase 60Hz (standard US residential 240V service).

Install Difficulty — Professional Install

This is a professionally-installed condenser that requires a licensed HVAC technician with EPA 608 certification. The tech will pull a vacuum on the line set to 500 microns, pressure-test with nitrogen, release the factory charge, and commission per MrCool's startup procedure. Budget 1 full day for install on a single-zone system.

What's in the Box & Compatibility

Ships as a Accessories Heat Kit.

Product Details

5 KW Air Handler Heat Strip with Circuit Breaker

Specifications

Heating Capacity15 BTU
Voltage208-230 V
Phase1
Country of OriginMexico

Frequently Asked Questions

Everything you need to know about this product

What size room will the 5 KW Air Handler Heat Strip with Circuit Breaker cool?

At 15 BTU this unit is sized for rooms up to 450 sq ft under standard 8-ft ceilings with average insulation. Add 10–20% for sun-exposed rooms, poorly insulated spaces, or ceilings above 9 ft.

Do I need a licensed HVAC installer?

Yes — this unit is professionally-installed. The installer needs EPA 608 certification to handle the refrigerant, plus standard HVAC tools (vacuum pump, manifold gauges, nitrogen kit). Expect a one-day install on a single-zone system, more on multi-zone.

What electrical circuit do I need for installation?

208-230V dedicated circuit with the disconnect within sight of the outdoor unit per NEC 440.14. An electrician will size the breaker based on the minimum circuit ampacity shown on the nameplate. Budget $400–$900 for a new dedicated 240V circuit if one isn't already present.

How fast does HVACZAR ship this unit?

Shipping is calculated at checkout from the order weight, and you see the exact charge before paying. In-stock SKUs leave the warehouse within 1–3 business days. Transit time is 3–7 business days via truck freight (with liftgate delivery) for outdoor units and UPS Ground for accessories. Tracking is emailed at pickup.

What if it arrives damaged or I change my mind?

Inspect the unit before signing for freight delivery. If there is visible damage, note it on the delivery receipt and refuse the shipment — we ship a replacement at no cost. Unopened and unused units can be returned within 30 days for a refund less outbound shipping.

What is the warranty on the 5 KW Air Handler Heat Strip with Circuit Breaker?

The 5 KW Air Handler Heat Strip with Circuit Breaker comes with a N/A manufacturer warranty when purchased from HVACZAR, an authorized MrCool dealer. Register your unit after purchase to activate full warranty coverage.

How long does shipping take?

Shipping is calculated at checkout from the order weight. Most MrCool systems ship within 1-3 business days and arrive in 3-7 business days via FedEx, UPS, or truck freight with liftgate delivery.

What size room does 15 BTU cover?

A 15 BTU unit is sized for rooms up to 450 sq ft. Proper sizing depends on ceiling height, insulation, climate zone, and window exposure. Use our system finder for a precise recommendation.

Do you offer returns?

Yes. HVACZAR offers a 30-day return policy on unopened, unused products in original packaging. Contact us to initiate a return and receive a return authorization number.

How can I pay?

We accept all major credit cards (Visa, Mastercard, American Express, Discover) via Stripe secure checkout. All transactions are encrypted and protected.

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Ships Nationwide — Shop by State

We deliver the 5 KW Air Handler Heat Strip with Circuit Breaker to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.

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