Recent content by dstrutto

I have a burnham holiday boiler no. 8-60 series 2 that recently combustion tested at 80% efficiency. I think the boiler was probably manufactured in 1960 based on the boiler no. It's 172k input and 140k btu output. All advice is that if the boiler's over 15-20 years old it should be...

I recently had an energy audit done of my home. During the energy audit they tested my gas boiler (Burnham Holiday 172,000 input, 140,000 output, 106,000 IBR - cast iron approx. 1960 vintage) and found it operating at 81% combustion efficiency. This was a dissappointment to me because I hoped...