Also keep your reservoir below 50f.
Heat exchanger grow room.
Hydro innovation s 6 ice box heat exchanger is very effective at removing heat from a sealed room.
A good use for hot water would be to heat your grow room at night.
This is useful to control rh and thus reduce potential for powdery mildew and related problems.
Probably 200 or so.
If you have no heat coming into room.
Vents micra 150 is a single room heat recovery ventilator used most frequently in bedrooms living rooms offices as well as apartments and small commercial places.
The colder the better.
The cold fresh air is being pushed trough the aluminum pipe to entering the room.
I would however run a sepperate ground loop of pex that terminates in the grow room.
Coolant is piped to a wall mounted heat exchanger and fan located inside your grow room.
So if your blower is rated at 265 cfm and it has no restrictions on the intake or exhaust side it should take about a minute to replace all the air.
As a last resort compressor type air conditioning can be used to cool your grow room.
If your grow room is 6 feet wide 6 feet long and has an 8 foot ceiling you have 288 cubic feet of air in the room 6x6x8 288.
Units of this type are expensive but use very little interior space and can be installed without damaging or modifying your room.
The hot saturated air is being pushed trough the pvc pipe in the other direction to leave the room.
However to remove the heat produced by a single 600w 1000w bulb you will need to either daisy chain 2 of them together or purchase an 8 ice box instead.
With this system you can do away with your in and out ducting and keep everything but the water chiller inside the garden.
The air heat exchanger consists mainly of an aluminum pipe made from soda cans that sits inside a wider pvc pipe.
The ice box is a water cooled heat exchanger that can be used to cool the hot air generated by your lights.
Perfect for maintaining a constant temperature when using led in the grow room or tent around 80 85 degree fahrenheit.
Benefits of a heater for the grow room or tent great for heating your room when the temperature fluctuates too much.