water heater and furnace in bathroom closet un louvred door

[CHARLIE VAN FLEET]

HEY GUYS

First off happy be alone turkey day.

installed Radon yesterday and just looking around found tankless water heater and high efficiency furnace installed in basement 3/4 bath next to shower--small individual closet for each unit. Both closet doors were solid doors -no vents---and when i checked with city of course no permits pulled--even though high efficiency should doors be louvred--no outside upper and lower vents in closet


sorry no pictures but will get tomorrow

thanks
cvf

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[Jerry Peck]

Direct vent?

Makes a big difference.

Get manufacturer and model numbers tomorrow.

[Aaron Services]

Important safety consideration:
It's critical that both tankless water heaters and high-efficiency furnaces have adequate ventilation to operate safely and efficiently. The installation of solid doors without louvered vents can lead to a buildup of heat and potentially hazardous gases if not properly vented to the outside. This setup could not only reduce the efficiency of your appliances but also pose serious safety risks. I recommend consulting with a licensed HVAC technician to evaluate the installation and consider adding louvered doors or external venting to comply with local codes and manufacturer specifications. Always ensure that any modifications or installations are permitted and inspected for safety.