Part 1: Evaluation of Mini-Split Heat Pumps as Supplemental and Full System Retrofits in a Hot-Humid Climate
More stringent energy efficiency standards and the demand for higher efficiency are increasing the popularity of technologies such as mini-split heat pumps (MSHPs). The market for ductless heat pumps is growing 10–30% annually. The U....
When the Minneapolis Energy Office (now the Center for Energy and Environment) first addressed the issue of improving energy efficiency in multifamily buildings in 1981, the task was a little daunting. [continue reading]
In a study funded by the U.S. Department of Energy and the Department of Housing and Urban Development, we looked at the savings persistence from equipment retrofits that Citizens Conservation Corporation (CCC) installed in low-income apartment buildings over the past decade. [continue reading]
For the last several years, about 90% of the new natural gas furnaces installed in Wisconsin have been condensing furnaces. [continue reading]
Conventional fireplaces are incompatible with new, tighter housing, or with weatherized homes because of their large air requirements and the incomplete combustion products they produce. [continue reading]
Ground-source heat pumps (GSHPs), also called geothermal heat pumps or ground-coupled heat pumps, are gaining popularity as efficient space-conditioning systems. [continue reading]
When it comes to heating and cooling systems, consumers are concerned with comfort, as well as price, according to an independent study. Contracting Business magazine wanted to determine what consumers want from their heating and cooling systems. [continue reading]
Almost everybody knows when they are cold, but it is difficult to predict an individual's thermal comfort for a particular set of conditions. [continue reading]
Selling to consumers in the residential HVAC market has changed over the last 10 years. The days of formality in a ...
You probably never considered the power consumption of those Ground-Fault Circuit Interrupter outlets (fondly known as GFCIs) in bathrooms, kitchens, ...