The effectiveness of ducts largely depends on their intended use. In private homes in Norway, where ducts primarily serve airflow without additional heating, introducing heat can pose a problem. This is because it can lead to temperature differences that result in unwanted moisture, potentially causing damage to your home.
In private home settings in Norway, ventilation systems often feature inlets positioned high on the wall or in the roof. If warm air is introduced, it tends to circulate near the ceiling, failing to adequately warm the room or refresh the air. The system is designed to allow cooler air to enter, which naturally descends, while the warmer air rises and exits through the roof vents.
However, systems designed solely for ventilation and lacking heating capabilities typically have insufficient airflow. The ventilation fan isn’t powerful enough to adequately circulate and replace the air.
In contrast, commercial buildings are more likely to incorporate systems that combine both airflow and heating features for more comprehensive climate control.
I would be careful with adding heat from miners in the ventilation system. At least check your setup.
So I'm in the US and have a standard (for the US anyways) central heating system. The way my duct system flows is we have an a/c and furnace in the basement. That is hooked up to ducts which sends the conditioned air (hot and cold) throughout the house. We then have a circulation return system. Each room has another vent that sucks up air through a second set of ducts (the return) and recirculates it back into the furnace. I was considering tapping into this duct just before the furnace.
Any thoughts if that would pose a problem?
I would probably tap into it after the furnace and make a second loop, from return, to miner, back to intact just after the furnace.
Then the system stays closed and you can just turn on the central fan (no heat or cooling) and leave it circulating when you turn your miner and it’s fan on as well.
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I’m not an expert. What I wrote was just a quick summary of what I learned a couple of years back when I researched putting an S9 in my ventilator.
It sounds like your system is built for heating, so in theory, it shouldn’t have anything to say about your source of heating.
I ended up using two S9s only as my ‘top-up’ power, like a space heater. I have a ‘base heating,’ and I just switch on the S9s when needed. Tuned to approximately 300-500 kW using Braiins software.
I don’t make money from the mining itself, but I get subsidized heating through mining rewards and write off the cost of the miners and electricity on taxes (write off costs to produce income). The heat is just a ‘waste product,’ at least regarding taxation😉.
When the S9s are tuned down and have alternate fans, the sound is not a problem.
Good luck!
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