Heating, Ventilating, and Air Conditioning (HVAC)

(Blog Post - 2/7/2019)
Exciting new opportunities are emerging for commercial buildings to optimize their energy use. These include not only innovative technologies, but also new approaches to system design, building operations, and financing. ACEEE explores three of...
(Document - 2/7/2019)
This is the first in a series of technical briefs exploring emerging opportunities for energy efficiency in residential and commercial buildings. Information and control technologies (ICT) save energy by monitoring and controlling building systems...
(Blog Post - 8/1/2018)
From coast to coast, several programs are starting to help homeowners switch from space and water heating fueled by oil, propane, and natural gas to high-efficiency heat pumps powered by clean electricity. Multiple studies have found such...
(Blog Post - 7/24/2018)
National standards that require appliances and equipment to be more energy efficient do more than save energy and reduce utility bills. They also spur economic growth and create jobs — a lot of jobs. In fact, our new report reveals that they created...
(Document - 7/24/2018)
National appliance efficiency standards drive energy, water, and utility bill savings. They are also major job creators. Existing standards could help consumers save $2 trillion on energy bills by 2030, money that will create new jobs when shifted...
(Blog Post - 7/11/2018)
To achieve the common and ambitious worldwide goal of reducing greenhouse gas emissions 80% or more by 2050, analyses find that consumers and businesses will need to use a combination of energy efficiency and carbon-free electricity (e.g.,...
(Document - 7/10/2018)
To achieve the ambitious worldwide goal of reducing greenhouse gas emissions 80% or more by 2050, consumers and businesses will increasingly need to use heat pumps powered by low- or no-carbon electricity for space and water heating. But does...
(Document - 6/5/2018)
Highly efficient air conditioners and heat pumps use superior mechanical efficiency and advanced controls to save building energy. This equipment can provide energy efficiency program administrators with long-term energy savings. In these technical...
(Blog Post - 6/5/2018)
With as many as four billion additional air conditioning units expected to be in use by 2050, the value of highly efficient air conditioners will only increase over the next few decades. The International Energy Agency (IEA) recently predicted that...
(Blog Post - 4/25/2018)
US homes can lower their energy use by up to one-sixth simply by incorporating smart technologies, according to our new report, Energy Impacts of Smart Home Technologies. In addition, these technologies — a combination of software, sensors, and...