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Underfloor Heating Supplies: The Complete Bill of Materials
Most lists of underfloor heating supplies name four or five items and stop, which is how installations end up short on the day. A wet system needs around a dozen distinct items before anyone turns a tap, and several of them are the sort of thing nobody thinks about...
How to Use a Room Thermostat: US Systems and Settings
A thermostat looks like the simplest control in a house, and it is the one most commonly used wrongly. Not because people are careless, but because almost every piece of guidance written about it assumes a different heating system than the one in front of them. If you...
Valve Wholesaler: How to Choose a Manufacturer Partner
If you are a valve wholesaler, the manufacturer you choose is not a procurement decision. It is a decision about what your business is worth in five years. Buy on unit price alone and you become a price position, which anyone can undercut as soon as they find the same...
China’s HVAC Supply Landscape: Clusters, Tiers and Sourcing
Most articles about sourcing HVAC components from China are written to persuade you that sourcing from China is a good idea. This one assumes you have already decided, and tries to answer the more useful question: what does China's HVAC supply landscape actually look...
How to Improve HVAC Efficiency: What Works, Ranked by Return
Most advice on improving HVAC efficiency arrives as an undifferentiated list. Change your filters, seal your ducts, get a programmable thermostat, upgrade your equipment. All of it is reasonable, and none of it tells you where to start. The measures differ enormously...
PM2.5 Levels in Major Cities: How to Read and Compare Them
Looking up PM2.5 levels in major cities is easy. Understanding what you are looking at is harder, and it is where most people go wrong. Open two different air quality apps for the same city at the same moment and you will often see two different numbers. Neither is...