Case Study

Profile
Getting under the hood with Derek K. Jones
What drove this South Bronx cooperator to lead his building toward solar and more
Financing
Controlling for cost
How this South Bronx co-op maximized impact without sacrificing budget
Efficiency
Real Time Energy Management (RTEM) tech offers real savings opportunities
Meet the NYSERDA-backed tech that saved Sherman Terrace more than $53,000 on energy in one year
Ask a Cooperator
“If we could do it, anyone could”
A Q&A with two cooperators from one of New York City’s original self-managed Finnish co-ops, who coordinated efforts to tune up their ancient boiler and patch up leaks in the walls
Explainer
What is Local Law 97?
Skylight’s all-in-one explainer of New York City’s landmark building decarbonization law — and what it means for the city’s residential buildings.

Getting Started
Tips and Tricks
Tips from Tom Sahagian
An energy aficionado offers advice on how to make the switch to more renewable technology
Ask a Cooperator
“Read the F*cking Manual!”
A Q&A with Chris McGinnis, a former IBM worker and longtime co-op resident who made it his mission to learn how buildings work so he could make his own more efficient
Efficiency
Sealing in the benefits of energy efficiency
Project designers explain why air sealing is a crucial component of any energy efficiency project
Going Big
Explainer
Installing heat pumps in a fully-occupied co-op
How this Manhattan building completed a major energy upgrade without disrupting residents’ lives
Case Study
Pilot light: HDFC co-op pioneers a new strategy for air-source heat pumps
Inside the pilot program that helped this LMI Manhattan co-op lean less heavily on #2 heating oil
Clean Energy
Simple installations and a financial ‘no-brainer’
Solar panels on the roof of Forest Hills rental carve a pathway toward clean energy via net metering
Clean Energy
How this Brooklyn condo ensures its solar panels work at max efficiency
Once solar panels are installed, engineers utilize energy “clipping” to ensure peak performance, even on the cloudiest days
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Edition 4 January 2025
Case Study
What are we going to do with this roof?
The story of how one Brooklyn condo board bonded together over solar energy — after much deliberation
Clean Energy
How this Brooklyn condo ensures its solar panels work at max efficiency
Once solar panels are installed, engineers utilize energy “clipping” to ensure peak performance, even on the cloudiest days
Financing
Making it make cents
A Q&A with Jay Merves on green financing options for different types of homeowners
