While efficiency upgrades can save money and cut back on your carbon footprint, how much should we invest, especially during a pandemic? It’s been a big debate for N.H. utility regulators. The Public Utilities Commission delayed their decision on this issue in December 2020 and is expected to make a ruling by mid-February 2021. As part of NHPR’s By Degrees climate reporting project, we examined the pros and cons of greater efficiency, and whether businesses and residents should have to deal with