Indirect heat grilling is a cornerstone technique for achieving tender, flavorful results without flare-ups. The following picks focus on indirect cooking, heat deflection, and stone-based approaches to help you control airflow and temperature on a variety of charcoal and kamado grills. Each product is designed to either zone heat, spread it evenly, or transform your grill into a versatile convection oven for slow cooking, roasts, and pizzas. Use this guide to compare options and select the setup that best fits your grill and cooking style.
The table below summarizes five carefully chosen products that enhance indirect cooking across common grill models. It highlights the type of accessory, compatible grills, and the core benefit each one delivers.
| Product | Type | Best For | Key Benefit |
|---|---|---|---|
| VORTEX (IN) DIRECT HEAT for Charcoal Grills | Indirect-Direct Hybrid | Weber Kettle, Smokey Mountain, Kamado-style grills | Versatile cooking modes including indirect low & slow, indirect-direct, direct searing, and infrared heat |
| Hongso 18″ Ceramic Heat Deflector Conveggtor | Ceramic heat deflector | 18″ Big Green Egg and similar Kamados | Consistent indirect heat with ceramic insulation for even cooking |
| Unicook 17 Inch Smoking Stone | Cordierite heat deflector | Akorn Kamado, large Big Green Egg | Transforms grill into outdoor convection oven for smoking, baking, and slow cooking |
| Kamado Joe Indirect Half-Moon Ceramic Plates | Ceramic heat deflector plates | Kamado Joe Classic with D&C system | Excellent heat retention for indirect cooking and system flexibility |
| Char-Griller AKORN Smokin’ Stone Accessory | Cordierite Smokin’ Stone | AKORN Kamado grills | Diverts heat around the perimeter for convection-style indirect cooking |
VORTEX (IN) DIRECT HEAT for Charcoal Grills

The VORTEX is designed to fit common Weber and Kamado-style grills, offering a versatile, durable stainless steel construction. Its four cooking modes provide practical options for indirect low-and-slow smoking, indirect high-heat finishing, direct searing, and infrared radiant heat. This flexibility can help users manage airflow and heat zones without moving the grill setup. The medium size is touted as a good fit for Weber Kettle 22.5-inch and 26.5-inch models, Smokey Mountain cookers,XL Kamado variants, and similar grills. For cooks seeking multi-method control in one accessory, this device covers a broad set of indirect and direct contexts, potentially reducing the need for multiple tools.
Weber Char-Basket Charcoal Briquet Holders (Set of 2)

Weber’s Char-Basket sets are designed to hold briquets and create separation within the charcoal bed, enabling controlled indirect grilling on larger grills. Made from aluminized steel, these baskets resist corrosion and support a stable fuel layout for indirect sessions. While the product highlights domestic manufacturing and physical dimensions, the broader point is that fuel management is essential for consistent indirect heat. This accessory can help you shape heat distribution without extensive reconfiguration of your grill, especially when cooking for larger groups or longer durations.
OLIGAI Stainless Steel Charcoal Rails

OLIGAI’s stainless steel charcoal rails are designed for Weber charcoal grills in multiple sizes, including 18, 22, and 26 inches. The rails help create a defined zone for indirect heating and allow for flexible placement of charcoal to accommodate different cooking styles, from low-and-slow sessions to direct searing when needed. The rails are described as durable, with non-sharp edges for safe handling. They can serve as a robust, long-term indirect heat accessory that reduces heat spikes and makes airflow management easier during longer cooks.
Hongso 18″ Ceramic Heat Deflector Conveggtor

This 18-inch ceramic heat deflector is designed for large kamado grills and the Big Green Egg family. The ceramic construction provides excellent heat retention and even distribution, helping maintain steady indirect heat for slow cooking or roasting without direct flame contact. The deflector’s dimensions and compatibility emphasize a focus on larger 18-inch setups, where precise heat control can improve outcomes for roasts and longer cooks. Its SGS-tested certification noted in the listing reinforces a standards-oriented approach to accessory quality and performance.
Unicook 17 Inch Smoking Stone

The Unicook 17-inch smoking stone is a cordierite heat diffuser that converts a grill into an outdoor convection oven. It distributes heat evenly, protects meat from direct flame contact, and supports low-and-slow smoking as well as baking pizzas, bread, and cookies. The stone’s size is a practical fit for many 17-inch and larger Kamado grills, and its resilience to thermal shock makes it a versatile, reusable option for multiple cooking styles. This accessory is especially valuable for cooks who want to keep moisture and tenderness in meat while expanding the grill’s capabilities beyond standard direct grilling.
Kamado Joe Indirect Half-Moon Ceramic Plates

The Kamado Joe two-pack half-moon ceramic plates are designed for use with the Divide and Conquer Flexible Cooking System. These plates optimize heat retention and even distribution for indirect cooking, aiding in slow roasts and baking while preserving moisture. The ceramic’s heat retention helps maintain stable temperatures during extended cooks, and the compatibility with Joe’s modular system makes integration straightforward for Kamado Joe owners seeking consistent indirect results without discontinuing their existing setup.
Char-Griller AKORN Smokin’ Stone

The Char-Griller AKORN Smokin’ Stone accessory creates a convection-like environment by diverting heat around the grill’s perimeter. This cordierite stone is tailored for AKORN Kamado grills (models 16620, 26720, 06620, and 6520). It helps distribute heat evenly and reduces direct heat hotspots, enabling better indirect cooking for longer cooks and smoke sessions. The stone’s reliability with Char-Griller AKORN models makes it a practical upgrade for enthusiasts seeking more controlled, uniform heat without sacrificing the convenience of a compact, affordable Kamado-style grill.
Buying Guide
- Grill compatibility: Check each accessory’s recommended grill sizes and models to ensure a proper fit and safe operation. Some items are designed for specific brands or diameters, while others offer broader compatibility.
- Heat distribution: Indirect cooking benefits from devices that diffuse heat evenly or create distinct heat zones. Ceramic deflectors excel at retention, while steel rails and baskets tailor fuel placement to reduce hot spots.
- Material durability: Stainless steel and cordierite/ceramic materials withstand high temperatures and repeated use. Consider corrosion resistance for long-term reliability and ease of cleaning.
- Cooking versatility: If you want to perform smoking, baking, or roasting, look for deflectors and stones that promote convection and moisture retention. Some products also support direct searing with hybrid heat modes.
- Maintenance and safety: Ensure edges are smooth to avoid injuries, and follow manufacturer cleaning guidelines to prevent buildup that could affect airflow or heat distribution.
- Storage and handling: Larger ceramic plates and stones can be heavy. Plan for proper storage space and consider protective bags or stands if available from the manufacturer.
- Price-to-performance: While premium ceramic deflectors offer excellent heat control, durable steel rails and baskets provide a cost-effective path to improved indirect cooking, especially for frequent grillers.