Looking for an air handler with an electric heat kit to boost heating performance? This guide selects five top options, explains who they’re best for, and shows how to compare them. Each product is suitable for different system sizes and installation needs, from compact rooms to larger spaces. Ideal buyers include homeowners upgrading a heat pump, HVAC pros seeking compatible kits, and contractors assembling ducted systems. The table below highlights key choices at a glance.
| Product | Best For | Key Advantage |
|---|---|---|
| Supplying Demand HKSC15XB | Mid-size air handlers needing balanced heating | Balanced temperature with sequencers |
| MRCOOL VersaPro / Hyper Heat 7.5kW Kit | MrCool systems needing strong supplemental heat | Built-in circuit protection |
| TURBRO 15 kW Kit for APEX 30k/36k | Colder climates with high heating demand | Ready-to-use with circuit breaker |
| MRCOOL Universal System Kit | Universal air handlers needing flexible heat | Designed for 2–5 ton units |
| Supplying Demand HKSC20DB 20kW | Larger or commercial-style air handlers | High wattage with plug-in wiring harness |
Supplying Demand HKSC15XB 15KW Electric Heat Kit
The HKSC15XB is a 15 kW electric heat kit designed for model-specific air handlers. It includes (2) breakers, a wire harness, and a mounting plate, enabling a compact installation for 240V systems. This kit is best for buyers who want a balanced heating solution integrated with their existing air handler and prefer a control strategy that helps maintain even temperatures across zones. A potential limitation is that installation should be performed by a qualified technician due to electrical and system integration requirements.
MRCOOL 7.5kW Electric Heat Kit for VersaPro & Hyper Heat
This 7.5kW kit supplies substantial supplemental heating for MRCOOL VersaPro and Hyper Heat air handler systems, capable of delivering heat across a broad BTU range depending on model. It includes a built-in circuit breaker for electrical safety. Choose this if you operate a MRCOOL system and need strong, reliable cold-weather warmth. A limitation is that its electrical requirements depend on the specific model and may require professional sizing of feeder conductors and breakers.
TURBRO 15 kW HVAC Electric Heater Kit
The TURBRO 15 kW kit is designed to provide supplementary heating for higher-demand spaces and is compatible with select TURBRO air handling setups. It ships with a circuit breaker for straightforward integration. Best for colder climates or spaces that require additional warmth beyond the primary HVAC system. A caution: professional installation is advised to ensure proper wiring and safety compliance.
MRCOOL Electric Heat Kit for MrCool Universal System
This kit is designed specifically for MrCool Universal air handlers, delivering electric heating for 2–5 ton units. It includes a built-in circuit breaker for safety and electrical protection. Best for owners of universal MrCool setups needing flexible, scalable heating. A limitation is that compatibility is tied to MrCool universal platforms, so it may not suit non-MrCool models.
Supplying Demand HKSC20DB 20kW Electric Heat Kit
The HKSC20DB is a 20kW, 240V, single-phase heat kit with a factory-installed circuit breaker. It features a plug-in wiring harness and rust-resistant heat elements, making it a robust choice for larger air handlers or commercial-style installations needing significant supplemental heat. Best for larger spaces or high-demand applications. Limitation: higher wattage requires careful electrical service and breaker sizing by a professional.
Supplying Demand HKR-05 5 kW Electric Heater Kit
The HKR-05 provides a more compact 5 kW option with alloy open coil elements and a simple wiring setup. It includes wiring instructions and installation guidelines, making it suitable for smaller air handlers or spaces with modest heating needs. Best for budget-conscious projects or where space constraints limit larger heat kits. Caution: ensure proper disconnecting procedures during service per the included instructions.
Buying Guide
- Match heating capacity to your space. Bigger spaces or colder climates typically require higher kW kits (e.g., 15–20 kW). Smaller rooms may be well-served by 5–7.5 kW options.
- Check compatibility. Some kits are designed for specific air handler brands or universal systems. Confirm model compatibility before purchase to avoid installation issues.
- Electrical considerations. Ensure your electrical panel, breakers, and wiring can safely handle the kit’s voltage and current draw. Many kits include a circuit breaker, but feeder capacity and conductor sizing may require a pro.
- Installation needs. Some kits come with plug-in harnesses and ready-to-use components, while others require more extensive wiring and mounting. Decide whether you want a quick-install kit or a more customizable setup.
- Safety features. Built-in circuit breakers and protective elements help prevent overloads. Favor kits with integrated safety when possible to reduce risk during operation.
- Maintenance and durability. Look for rust-resistant heat elements and durable components if the unit will see frequent cycling or exposure to humid environments.
Frequently Asked Questions
- What is an air handler electric heat kit used for? It provides supplemental heating to an existing air handler, improving warmth when the primary system can’t meet demand.
- Do I need a professional to install these kits? Yes. Electrical connections and system integration require qualified installation to ensure safety and proper performance.
- Is a higher kW kit always better? Not always. The correct capacity depends on space size, insulation, climate, and the air handler’s compatibility.
- Can these kits work with any air handler? They are designed for model-specific or universal MRCOOL/TURBRO/Supplying Demand systems. Check compatibility before purchasing.
- Do kits include safety features? Many include built-in circuit breakers or protections; verify per model to ensure electrical safety.
- What maintenance is required? Inspect heat elements and electrical connections regularly, and follow manufacturer instructions for servicing and safety shutoffs.