Green Mountain Grills Insufficient Heat Output

Grill struggles to reach set temperature, especially in cold or windy conditions.

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Possible Causes

Low BTU due to poor-quality pellets, Combustion fan not at full speed, Excessive heat loss through lid or body, Firepot partially blocked

How to Fix / Troubleshooting

Safety first: Allow the grill to cool before internal cleaning.

  • Use premium pellets: Switch to high-quality hardwood pellets recommended for Green Mountain Grills.
  • Clean firepot and burn area: Remove ash and ensure all air holes in the firepot are clear.
  • Check fan performance: Inspect and clean the combustion fan. Replace if weak or noisy.
  • Reduce heat loss: Use a GMG thermal blanket in cold weather and position the grill out of direct wind.
  • Verify lid seal: Inspect lid alignment and gasket. Adjust hinges or replace gasket if there are visible gaps.
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Repair Difficulty

Easy 2/5

Required Part

Combustion Fan
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