What to look for in a new hot water based (boiler) heating system

I got a great question from a reader asking about replacing a boiler and water heater system. After writing a reply, I realized the information might be useful to others, so here goes!

If you’ve got an old boiler that you’re thinking about replacing, you might find all the terminology and technology a bit intimidating. Fortunately, these days, there are a quite a few safe, high efficiency, hot-water generating systems that can provide plenty of hot water for baths and showers as well as heating your home.

I’ve been using this type of system in my home for years, both oil and gas (actually propane, but for this discussion, they’re the same). They can be excellent and cost effective IF configured and controlled correctly.

Let me get something out of the way right away – I would *not* recommend an oil burning system. Even though oil has come way down in price, it’s simply not a great fuel for home heating systems for a number of reasons

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