by LEGOM Technical Team | Sep 18, 2026 | Plumbing
A residential hot water system contains several components that most homeowners never think about until one fails. Each protects against a different risk, and understanding what each does explains both why they are there and what happens when one stops working. This...
by LEGOM Technical Team | Sep 15, 2026 | HVAC
There are two primary HVAC fan types: axial and centrifugal. They differ in how air passes through them, and that single difference determines everything else about their performance, application, and where you will find them. Axial fans move air parallel to the...
by LEGOM Technical Team | Sep 14, 2026 | HVAC Valve
A burst pipe does more damage in an hour than the entire heating system costs. Water expands as it freezes, and pipework that was fine yesterday splits open, usually somewhere inaccessible, usually while nobody is home. A freeze protection valve prevents that. It is a...
by LEGOM Technical Team | Sep 13, 2026 | Plumbing, HVAC
A leak in a hydronic heating system is different from a plumbing leak in one important respect: most of the pipework is buried, so you rarely see the water. What you see instead is system pressure falling, and by the time a damp patch appears on the floor the leak has...
by LEGOM Technical Team | Sep 12, 2026 | Air Purifier
Fresh, clean air is the basis of a healthy learning environment, yet classroom air quality is rarely measured and frequently poor. Dust from daily activity, mould from humidity, and pollution drawn in from outside accumulate in rooms that many people share for hours...