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We've been in our house for a year and have been trying to improve the heating and reduce the cost.
Last spring we did a major air sealing and insulation project on the second floor of the cape section of the house.
We've also insulated all the Pex to the baseboard we could. Some of it was just laying on the ground in an unheated crawlspace..... Not ideal for Maine in winter. I think the heating contractor was relying on glycol a bit too much....
When we first moved in we I turned off the outdoor reset because it was taking all day to bring the house from 56 deg to 60. Running the baseboard at 180 solved that. But this year with the extra insulation in attic and on pipes I decided to try outdoor reset again.
But it's tracking--thanks to Nest data-- More than twice as long too heat from 56 to 62. And it isn't even that cold.
I just did a heat loss calc and I think it's about 44000btu/hr.
In doing so I also checked on the required boiler size for this house--128,000.
6 years ago the previous owner had a new propane boiler and the baseboard installed. The boiler is an NTI trinity 85. Used for radiant heat and dhw.
Any creative ideas on how I can make this boiler operate more better given it's a bit small for the house?. We have one whole section turned down and all but sealed off but the rest of the house is quite cool.
We're continuing to improve insulation as best as we can. But the crawl space is uninsulated and tight.
A future upgrade--before replacing the boiler--is to replace the baseboard with flat panel radiators which are correctly sized for each room.