I love hot water baseboard heat and in Nova Scotia, you'll find many homes here that have it. It's an efficient heat and before the price of oil jumped, it used to be economical. Electric baseboard heat is still the most expensive and provides a dry heat so for some, they'll need to get humidifiers and/or install ductless heatpumps.
On to hot water baseboard heating; it's a wonderful warm heat unlike electric but there are some things you need to know; especially if you want to travel in Winter time.
This short video provides a basic understanding so you'll need to call a professional if you want to know specific information about your case scenario.