by Jay Stein | Jan 26, 2024 | Efficiency, Residential
Image courtesy of Koolex Charging heat pumps and air conditioners with propane refrigerant can help mitigate climate change and other environmental problems. That may seem scary, as propane is highly flammable, but with advanced technology we can use it safely....
by Jay Stein | Sep 8, 2023 | Commercial, Indoor Air Quality, Technology
Source: Anthony Quintano (https://www.flickr.com/photos/quintanomedia/52958921436/) When the smoke from Canadian wildfires spread through much of North America during the summer of 2023, it gave rise to an important question: How do you keep indoor air fresh when the...
by Jay Stein | May 12, 2023 | Efficiency, Residential, Technology, Uncategorized
We want dual-fuel heating systems—electric heat pumps combined with gas furnaces for backup—to minimize our carbon footprints and utility bills. Currently, no one makes thermostats that would enable these systems to do these things, but if governments and...
by Jay Stein | Feb 3, 2023 | Efficiency, Residential, Technology
Heat pumps are becoming more efficient, less expensive, and more climate friendly. Understanding the legislation and regulations driving these changes is vital for consumers, policy wonks, investors, and electrification advocates. There’s a perfect storm going on in...
by Jay Stein | Nov 17, 2022 | Efficiency, Public Policy, Residential, Uncategorized
Every day in the US, homeowners replace thousands of central air conditioners. They’d save money and reduce climate emissions if they replaced them with heat pumps. I’ve got a 20-year old air conditioner and when it fails, which will likely be soon, I’m going to...