Check back often as more comfort solutions are coming soon! Milne plumbing is amazing! friendly, professional and prompt service for any issue, be it routine or an emergency. Check your oil boiler--there should be a name plate somewhere on the front to indicate the output in btu/hour---say, 68,000 btu/hour. If a boiler is the main source of heat your home, it’s very important to keep it in good repair otherwise, you’ll see your energy.