we are just installing a oil fired 15 hp boiler that will fill our steam needs ,were lucky there is top notch boiler manufacturer a hour away . so for us oil was the answer . electricity is killing us , natural gas is not available , propane is more expensive BTU/hr , so oil it is . we still plan on preheating with our hydronic system and taking it to the final temp with steam .
on the topic of boiler manufacturers make sure u are getting all your answers from a reputable manufacturer , not a boiler salesman . we delt directly with the owner he is 74 years old , has been in the business his entire life and is the third generation in the business . he really helped us figure out exactly what we need for what we plan on doing , and cleared up alot of steam myths floating around the internet . hands down the best company we have ever dealt with .
tim