How Building Energy Efficiency Helps Improve The Air Quality In Cities
Building emissions are mainly categorized into 2 types, direct emission and indirect emission. Diesel generators and natural gas boilers account for the direct emission while the electricity consumption from power plants that burn fossil fuels account for the indirect emissions.
Importance of an Energy Audit
Energy audit is systematic collection and analysis of energy data which is used for identifying both, where and how the energy is used, and also the potential for saving energy. Optimal combination of energy efficiency measures varies for different properties depending upon the consumption profile. The best starting point is to opt for a professional energy audit (https://www.ny-
The audit provides 2 critical pieces of information:
· Energy savings per dollar invested.
· GHG emission avoided per dollar invested.
Generally, upgrading boilers and old furnaces running on heating oil can help achieve the best results. This reduces the heating cost as well as the emission per BTU (British Thermal Unit).
Switching Energy Sources to Cut Emissions
Energy emissions are considerably cut down when buildings switch to energy efficient measures. In US as of 2020, building owners can claim 26% federal tax credit for renewable energy investment after switching to solar power (https://www.ny-
Building owner also have an option of going 100% electric and eliminating site emissions by using high efficiency heat pumps. In case of indirect emissions, fossil fuels dominate the power grid and concentrating emission at a power plant is still preferred over directly emitting them in cities. However, indirect emissions can be reduced automatically with building electrification if the local grid starts using a greater share of renewable energy.
Now using electricity for space heating and hot water may not feasible for some buildings but, switching from heating oil to natural gas may cut down the emissions by almost 50%. What that means is that energy expenses and greenhouse gases (GHG) can both be reduced simultaneously with energy efficiency.