21 February 2025

When selecting a radiator, it’s easy to focus on style, size, and finish, but one of the most crucial factors to consider is heat output. Measured in British Thermal Units (BTU), heat output determines how efficiently a radiator can warm up a room. If you choose a radiator with insufficient heat output, your space may feel cold and uncomfortable. Conversely, selecting one with excessive heat output can lead to wasted energy and higher bills. In this guide, we’ll explore why heat output matters, how to calculate your heating requirements, and tips for optimizing your radiator’s performance.

Selecting the perfect radiator for your home isn’t just about heating—it’s about efficiency, style, and ensuring your space remains comfortable all year round. With so many options available, it can be overwhelming to choose the right one. In this guide, we’ll break down everything you need to consider when selecting the ideal radiator for each room in your home.