![hvac - Is the ventilation in my utility closet a construction mistake? - Home Improvement Stack Exchange hvac - Is the ventilation in my utility closet a construction mistake? - Home Improvement Stack Exchange](https://i.stack.imgur.com/tazbc.jpg)
hvac - Is the ventilation in my utility closet a construction mistake? - Home Improvement Stack Exchange
![Question on residential utilities closet: I understand proper amount of ventilation is needed but is this duct that vents from attic space into the utility closet, (with furnace and water heater) necessary. Question on residential utilities closet: I understand proper amount of ventilation is needed but is this duct that vents from attic space into the utility closet, (with furnace and water heater) necessary.](https://i.redd.it/wf7bhhb7kwc81.jpg)
Question on residential utilities closet: I understand proper amount of ventilation is needed but is this duct that vents from attic space into the utility closet, (with furnace and water heater) necessary.
![Should my furnace closet have this huge duct opening into the unconditioned vented attic? - Home Improvement Stack Exchange Should my furnace closet have this huge duct opening into the unconditioned vented attic? - Home Improvement Stack Exchange](https://i.stack.imgur.com/7g5PM.jpg)
Should my furnace closet have this huge duct opening into the unconditioned vented attic? - Home Improvement Stack Exchange
![Closet Gas Furnace InstallationA gas furnace installed in a closet can become a hazard to the occupants if it is carel… | Furnace room, Mechanical room, Gas furnace Closet Gas Furnace InstallationA gas furnace installed in a closet can become a hazard to the occupants if it is carel… | Furnace room, Mechanical room, Gas furnace](https://i.pinimg.com/originals/26/6c/9c/266c9ca0c99a0614eaa97501b7edce66.jpg)