Direct vent heater

{
  "id": "MLC-T-ENV-008070",
  "term": "Direct vent heater",
  "field": "Environment",
  "term_source": "Direct Vent Heater",
  "definition": "A type of combustion heating system in which combustion air is drawn directly from outside and the products of combustion are vented directly outside. These features are beneficial in tight, energy-efficient homes because they will not depressurize a home and cause air infiltration, and backdrafting of other combustion appliances.",
  "subject": "Built environments",
  "references": [
    "DOE Office of Energy Efficiency & Renewable Energy Glossary of Energy-Related Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/direct-vent-heater/"
}