Installing Weather-Responsive Heating Controls
in this video, This Old House plumbing and heating expert Richard Trethewey explains how a system that takes into account the outside temperature saves energy and boosts the efficiency of a boiler
Here's a short video that will explain to your customers the idea behind weather-based heating controls for a hot-water heating system. The basic idea is that you can save energy by installing one of these devices from Tekmar that will adjust your boiler's output based on the outdoor temperature.
On colder days the boiler will make more heat than it will on warmer days. Makes perfect sense.