Tankless Hot Water Heater Air Intake

The air intake filter is located inside the tankless water heater.

Tankless hot water heater air intake.

And a tankless gas water heater might work great at 8 000 ft. Saves energy compared to traditional furnaces when integrated with rinnai s highly efficient tankless water heaters or boilers that can deliver home. Do i have to run an intake pipe direct to outside would require ripping out ceiling. A direct vent water heater draws air for combustion from outside your home rather than inside.

The manufacturer seems to be ok with either approach. I have the option to let our new tankless water heater intake indoor air it will be installed in a semi finished basement or intake it from the outside. Direct vent units pull in air from outside the house so they have two vents for intake and exhaust. Tankless water heaters can be vented in two ways.

It is held together with 4 screws. Don t worry it s not hard to get to at all but you have to first remove the tankless water heater face plate. The exhaust gases and excess heat produced by your water heater are then vented back outdoors. Our furnace boiler intakes indoor air as currently installed so logic tells me i could do the same with the tankless water too.

Because average water supply inlet temperature varies by location the ideal tankless water heater in the south might not work at all in the north. A direct vent water heater uses special coaxial venting that has separate chambers for intake air and exhaust in a single assembled vent piece. Power vent units use indoor air for combustion and simply vent the exhaust to the outside. Altitude but not work at all at 12 000 ft.

What code would does apply in this case. The rinnai hydronic air handler systems connects seamlessly to select rinnai tankless water heaters to deliver efficient home heating and domestic hot water simultaneously in one complete system.