I read Bill P's (Firestarter's) thread entitled: "Fuzzy Math--Add-on Boiler...." with interest
Firestarter said:
My existing oil fired boiler = 102k BTU/HR @ 87% eff. = 88,740 NET IBR BTU/HR
This boiler is what’s been keeping us warm…we use about 8-900 gallons per year. This includes domestic hot water.
NY’er Boiler Sizes:
WC-90 = 90k BTU/HR @ 55%? eff. = 49,500 NET IBR BTU/HR
WC-130 = 130k BTU/HR @ 55%? eff. = 71,500 NET IBR BTU/HR
I am in a similar situation using 1200 gallons per year but will keep my separate oil-fired Hot Water Heater which is less than a year old, if I do an "add-on Boiler". I have been sized for a New Yorker Add-on WC-130 Boiler. I want to burn oil in Central Connecticut on and off in October and fire-up the WC-130 with coal during Halloween Week and burn CONTINUOUSLY with nut-coal through mid-March when I will let the coal-fire burn out and heat with oil intermittently into April.
QUESTION #1: What sort of mess (dust, soot, etc.) should I expect in my masonry basement if I used only 40-lbs bagged "nut-coal"? No bulk coal in a coal bin....
QUESTION #2: I like it real warm in the house....72 to 74 degrees F--and don't mind feeding the coal and stoking the unit on cold January days....But what do I do on those warm DAYs and cold NIGHTs in December-January-February to regulate heat? Do I open the windows during the day?
Firestarter said:
My existing oil fired boiler = 102k BTU/HR @ 87% eff. = 88,740 NET IBR BTU/HR
This boiler is what’s been keeping us warm…we use about 8-900 gallons per year. This includes domestic hot water.
NY’er Boiler Sizes:
WC-90 = 90k BTU/HR @ 55%? eff. = 49,500 NET IBR BTU/HR
WC-130 = 130k BTU/HR @ 55%? eff. = 71,500 NET IBR BTU/HR
I am in a similar situation using 1200 gallons per year but will keep my separate oil-fired Hot Water Heater which is less than a year old, if I do an "add-on Boiler". I have been sized for a New Yorker Add-on WC-130 Boiler. I want to burn oil in Central Connecticut on and off in October and fire-up the WC-130 with coal during Halloween Week and burn CONTINUOUSLY with nut-coal through mid-March when I will let the coal-fire burn out and heat with oil intermittently into April.
QUESTION #1: What sort of mess (dust, soot, etc.) should I expect in my masonry basement if I used only 40-lbs bagged "nut-coal"? No bulk coal in a coal bin....
QUESTION #2: I like it real warm in the house....72 to 74 degrees F--and don't mind feeding the coal and stoking the unit on cold January days....But what do I do on those warm DAYs and cold NIGHTs in December-January-February to regulate heat? Do I open the windows during the day?
