My boiler was set to heat my radiators to 75 degrees. When I had my annual check done, the engineer said it should be set to 60 degrees because that is a more efficient temperature.
What I don’t understand is why is that more efficient in the long run. Yes, the water is heated to a lower temp saving fuel, but now I have to run the heating for longer to get the house warm. Does having the heating on for longer not just cancel about any benefit from lowering the flow temp?
In: 8
Maybe think of it as smoking or cooking meat… low and slow is a thing because you’re not jacking things up to scorch temps here. I have forced hot air in my home, but grew up in a house with a boiler with radiators. What I hated was that they operated in one fashion – OFF or ON and cooking everyone to death. Eventually my parents realized that lower temps kept the house at a more stable temp because it evened out the temp vs having a hotter temp that would take longer to shut off.
Granted there are many more smarter HVAC folks that will say their peace with things – it’s just a matter of what I know I dealt with in reality living in that same situation.
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