Heat Pump Basics
Whether you're thinking of getting a heat pump or you already have one, knowing these heat pump basics can help you get the right heat pump and operate it properly. The Inflation Reduction Act (IRA) here in the US has…
Whether you're thinking of getting a heat pump or you already have one, knowing these heat pump basics can help you get the right heat pump and operate it properly. The Inflation Reduction Act (IRA) here in the US has…
The latest US energy consumption chart from the Lawrence Livermore National Lab (LLNL) is out. That's it above. (Click here to download a high resolution version.) As always, it's full of interesting data. You can learn a lot about how…
Imagine the house of your dreams. It's beautiful and laid out efficiently. You're always comfortable. It promotes health and happiness. The operating costs are low. You don't have to spend much to maintain it. You don't get a lot of…
The 120-volt plug-in heat pump water heater is here! The effort to bring these things to market began in 2018, and now they're available to buy. This technology has some significant advantages over the standard 240-volt heat pump water heater. …
The Talking Heads said it best: "Air can hurt you, too." And it does it in so many ways. It can hurt your pocketbook. It can make you uncomfortable. It can make you sweat. It can make you sick. And,…
That gorgeous photo of a Massachusetts lake above illustrates some interesting psychrometrics. Those little bits of mist are tiny water droplets full of molecules that not long before had been part of the lake. In the air between those misty…
Kitchen ventilation is critical to having good indoor air quality in your home. Cooking, as the research shows, produces a lot of indoor air pollutants. The best way to deal with that is to have an exhaust ventilation system that…
Have you ever thought about how suction cups work? It's got to be suction, right? Or is it? As it turns out, all we need is some basic physics to explain suction cups. And of course there's a connection between…
Look at that photo above. Is condensation really responsible for all that moisture you see? We use the term "condensation" a lot when talking about water vapor interacting with materials. But when it comes to porous materials like wood, concrete,…
If you travel with a hygrometer, as any seasoned traveler should, what I have to show you here is nothing new. But if instead you've never measured the relative humidity in a hotel room, I've got something interesting for you…