Heating & Boiler
A radiator that’s hot at the top and cold at the bottom usually indicates poor circulation, most often from trapped air, sludge (magnetite) settling in
March 31, 2026
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A radiator that’s hot at the top and cold at the bottom usually indicates poor circulation, most often from trapped air, sludge (magnetite) settling in
Most sealed central-heating boilers should show about 1.0 1.5 bar when cold, then rise to roughly 1.5–2.0 bar once hot. The exact number matters less
In 2026, a new boiler typically costs $4,500 to $12,000 for a basic replacement, while high-efficiency condensing models often run $7,000 to $18,000, and premium