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Case Study

How a “freak out” over Local Law 97 turned into a green overhaul

The Lathrop co-op made a solar installation work for its budget, and its historic landmark status. Now, it’s keen to choose more projects from a “menu” of energy efficiency upgrades.

Alexander C. Kaufman

Financing

Capital Planning: The misunderstood but mighty tool for co-op and condo retrofits

Skylight’s guide to the work that can help boards manage regulatory compliance, energy transition, and maintaining aging building systems.

Jill Baker

Internal

Skylight is Hiring!

Apply to be Skylight’s Director of Audience Growth & Partnerships

Eric S. Lee

Policy

State climate law has changed. How will that affect New York City buildings?

New York State has one of the most ambitious climate laws in the country — but will recent changes at the state level move New York City away from its goals?

John Surico

Policy

A revamped NYC Accelerator bets on its “Momentum” platform to push building projects forward

A new online tool brings together swaths of data to help buildings scope and plan LL97 energy efficiency projects

Meg Duff

News

Can New York’s biggest electrical utility handle the heat?

Con Edison has made big investments to boost cleaner energy supply, but summer heatwave outages, plus added demand from electrifying buildings, still raise questions about climate readiness.

Brian Martucci

Internal

“Something they can talk about with their board”: Reflections on Skylight in print

The Skylight team offers lessons on the rewarding experience of distributing our debut tabloid to residential buildings throughout the city.

Ivy Huang

reports on the clean energy challenge happening right now in New York, illustrating how New Yorkers are tackling decarbonization at home: In their apartments, co-ops, and houses.

Getting Started

Finding clean energy funds: A guide to NYSERDA’s incentives and programs

An introduction to the myriad cost sharing, rebates, and free assistance programs from New York state’s energy authority.

Kate Reggev

Explainer

Breaking down the J-51 tax abatement: Who is it for, and how can it help?

Skylight explains the tax break that helps New York City apartments recoup costs for building upgrades

Annalisa Merelli

Explainer

“Does this place have good energy?”

What to ask about building emissions before you buy an apartment in New York City

Kate Reggev

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

Demi Guo

Going Big

A symphony of energy upgrades creates harmony for this midcentury co-op

The Victoria, a large residential building in Union Square, has kept perfect time with LL97 requirements thanks to the forward thinking of its board.

Emily Driehaus

Case Study

At the Harlem River Houses, HVAC gets a history lesson

A historic NYCHA development leaves behind steam heat for clean energy as part of a suite of new upgrades

John Surico

Cool Tech

Steam heat systems learning new tricks

A legacy boiler company is pioneering boiler replacement with a steam-generating heat pump powerful enough to heat New York’s biggest apartment buildings

Saugat Bolakhe

Cool Tech

This battery offers New York City apartments a cleaner way to stay cool

Every Electric’s new power bank helps defray the peak demand on the city’s energy grid through efficient energy storage

Pragathi Ravi

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Edition 11
January 2026

Case Study

At the Harlem River Houses, HVAC gets a history lesson

A historic NYCHA development leaves behind steam heat for clean energy as part of a suite of new upgrades

John Surico

Tips and Tricks

Tyrone Thomas: “Stay engaged, even if they’re upset”

Tenant engagement, specialized support, and independent oversight were key to managing the retrofit at Harlem River Houses, even as it remained a bustling, active community

Natasha Ishak

Financing

How nonprofit developers financed Harlem River Houses’ major rehabilitation

To complete the multi-million-dollar retrofit, partners on the project leveraged a mix of public and private funding sources

Natasha Ishak

Cool Tech

A heat pump that slots into the façade and is pack(aged) with benefits

More retrofit projects are shifting toward the use of packaged terminal heat pumps, or PTHP units, as an energy- and cost-efficient way to upgrade a property’s heating system

Natasha Ishak

The Lathrop co-op made a solar instal­la­tion work for its budget, and its historic land­mark status. Now, it’s keen to choose more projects from a ​“menu” of energy effi­ciency upgrades.

Skylight’s guide to the work that can help boards manage regu­la­tory compli­ance, energy tran­si­tion, and main­taining aging building systems.

Apply to be Skylight’s Director of Audience Growth & Partnerships

New York State has one of the most ambi­tious climate laws in the country — but will recent changes at the state level move New York City away from its goals?

A new online tool brings together swaths of data to help build­ings scope and plan LL97 energy effi­ciency projects

Con Edison has made big invest­ments to boost cleaner energy supply, but summer heat­wave outages, plus added demand from elec­tri­fying build­ings, still raise ques­tions about climate readiness.

The Skylight team offers lessons on the rewarding expe­ri­ence of distrib­uting our debut tabloid to resi­den­tial build­ings throughout the city.

An intro­duc­tion to the myriad cost sharing, rebates, and free assis­tance programs from New York state’s energy authority.

Skylight explains the tax break that helps New York City apart­ments recoup costs for building upgrades

What to ask about building emis­sions before you buy an apart­ment in New York City

Meet the NYSERDA-backed tech that saved Sherman Terrace more than $53,000 on energy in one year

The Victoria, a large resi­den­tial building in Union Square, has kept perfect time with LL97 require­ments thanks to the forward thinking of its board.

A historic NYCHA devel­op­ment leaves behind steam heat for clean energy as part of a suite of new upgrades

A legacy boiler company is pioneering boiler replace­ment with a steam-gener­ating heat pump powerful enough to heat New York’s biggest apart­ment buildings

Every Electric’s new power bank helps defray the peak demand on the city’s energy grid through effi­cient energy storage

Edition 11 January 2026

A historic NYCHA devel­op­ment leaves behind steam heat for clean energy as part of a suite of new upgrades

Tenant engage­ment, special­ized support, and inde­pen­dent over­sight were key to managing the retrofit at Harlem River Houses, even as it remained a bustling, active community

To complete the multi-million-dollar retrofit, part­ners on the project lever­aged a mix of public and private funding sources

More retrofit projects are shifting toward the use of pack­aged terminal heat pumps, or PTHP units, as an energy- and cost-effi­cient way to upgrade a property’s heating system

The Lathrop co-op made a solar installation work for its budget, and its historic landmark status. Now, it’s keen to choose more projects from a “menu” of energy efficiency upgrades.

Skylight’s guide to the work that can help boards manage regulatory compliance, energy transition, and maintaining aging building systems.

New York State has one of the most ambitious climate laws in the country — but will recent changes at the state level move New York City away from its goals?

A new online tool brings together swaths of data to help buildings scope and plan LL97 energy efficiency projects

Con Edison has made big investments to boost cleaner energy supply, but summer heatwave outages, plus added demand from electrifying buildings, still raise questions about climate readiness.

The Skylight team offers lessons on the rewarding experience of distributing our debut tabloid to residential buildings throughout the city.

An introduction to the myriad cost sharing, rebates, and free assistance programs from New York state’s energy authority.

Skylight explains the tax break that helps New York City apartments recoup costs for building upgrades

What to ask about building emissions before you buy an apartment in New York City

The Victoria, a large residential building in Union Square, has kept perfect time with LL97 requirements thanks to the forward thinking of its board.

A historic NYCHA development leaves behind steam heat for clean energy as part of a suite of new upgrades

A legacy boiler company is pioneering boiler replacement with a steam-generating heat pump powerful enough to heat New York’s biggest apartment buildings

Every Electric’s new power bank helps defray the peak demand on the city’s energy grid through efficient energy storage

Edition 11
January 2026

A historic NYCHA development leaves behind steam heat for clean energy as part of a suite of new upgrades

Tenant engagement, specialized support, and independent oversight were key to managing the retrofit at Harlem River Houses, even as it remained a bustling, active community

To complete the multi-million-dollar retrofit, partners on the project leveraged a mix of public and private funding sources

More retrofit projects are shifting toward the use of packaged terminal heat pumps, or PTHP units, as an energy- and cost-efficient way to upgrade a property’s heating system