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Tankless radiator calcs solid one foot thick brick with interior plaster walls built 1925

radiator sizing chart Hello: I looked back and the spreadsheet that I used; recommended to use 185 btu instead of 165 btu. Looks like the same sizing charts etc. Based on the fact that you know what you're talking about and I am a laymen I am definitely going with your numbers. Thanks again.

raising incoming water temperature to tankless boiler Thanks for that great response. House size 3200 sqft soild brick 50 windows wstorm windows outside temp rating is 17. Thinking outside the box! Would you increase efficiency and cost (ng) by using electric heat wrap on incoming cold water...

sizing Mod con ng tankless retrofit cast iron radiators calc Thanks great input. cant you calculate hot water ng boiler btu output based on the amount of water that circulates through the burner. In other words if you drained all the water out of the system and measured the total amount in...

I am investigating utilizing the above boiler type to replace an oil fired boiler 139K btu output 748 sq ft radiator. I measured all the radiators sizes and used a radiator btu calculator spreadsheet. i need 161412K btu for the total radiator sq ft is 842 total. Is this an accurate method for...