Editions
Our editions take you inside New York buildings adopting clean energy and high efficiency now, looking at each renovation project from multiple angles.
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

Edition 3 February 2025
Case Study
Heat pumps transform former factory lofts into a temperature-controlled oasis
The International Tailoring Building set out to make their spaces more comfortable, and met LL97 regulations along the way
Efficiency
Hybrid heating, modern solutions
Ecosystem engineers utilize both heat pumps and a gas boiler to heat Manhattan co-op
Explainer
Installing heat pumps in a fully-occupied co-op
How this Manhattan building completed a major energy upgrade without disrupting residents’ lives
Profile
From nightclubs to boiler rooms
Get to know Eric Einstein, the co-op member behind the International Tailoring Building’s HVAC revamp
Edition 2 January 2025
Clean Energy
How a Queens multifamily rental building turned roof repairs into energy gains
When it came time for routine repairs, the Bluestone group upgraded to solar
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
Financing
Renewable energy, sustainable financing
NYCEEC worked with the Bluestone Organization for its first loan to a multifamily rental unit for solar installation
Profile
Eric Bluestone talks solar strategy
Bluestone, president at the Bluestone Organization, is putting solar anywhere he can
Edition 1 January 2025
Case Study
A facelift into an energy efficient future
An Upper East Side co-op replaces white-brick façade with porcelain tile, fixing leaks and improving insulation
Efficiency
Betting on a better Building Management System
An automated program to monitor building systems helps Manhattan co-op inch toward LL97 compliance
Clean Energy
Out of the china cabinet and onto the façade
Cutting-edge porcelain tiles offer durability and low maintenance for Manhattan co-op
Profile
How Stefan Unger got “married to the project”
This co-op member became an expert in rainscreen cladding by leading his building’s renovation project
