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How to Stay Cool in NYC Apartments This Summer (Without Blowing Your Budget)

How to Stay Cool in NYC Apartments This Summer (Without Blowing Your Budget)

August 20, 2025 | By Elie Mansdorf

 

Summer in New York City brings long days, rooftop season, and plenty of reasons to be outdoors. But when it’s time to head home, many renters quickly realize just how challenging it can be to stay cool in NYC apartments without racking up sky‑high utility bills. Between older buildings with limited airflow and compact layouts that trap heat, keeping your space comfortable is no small task.
 

The combination of heat, humidity, and concrete makes the city feel even warmer than the temperature suggests, and many apartments don’t have central air to keep up. Add in rising energy costs, and it’s clear why so many New Yorkers are looking for smarter, more affordable ways to stay cool.

 

The good news: with a few smart strategies and renter‑friendly adjustments, you can enjoy a cooler apartment all summer, without breaking the bank. From quick fixes like blackout curtains to smarter use of air conditioning, these solutions are designed for real NYC renters dealing with the unique challenges of city apartments.
 

Why Summer Heat Is Especially Challenging in NYC Apartments
 

NYC summers are notoriously hot and humid, with average highs in July and August often reaching the mid‑80s and frequent heat waves pushing temperatures into the 90s. Many apartments, particularly older pre‑war buildings and walk‑ups, lack central air conditioning, and window units can be costly to run for long hours. Poor insulation, limited airflow, and smaller windows can cause heat to linger well into the night, making it difficult to cool down once your apartment warms up.
 

Humidity makes the problem worse, because even when temperatures drop slightly at night, moisture in the air can leave rooms feeling sticky and uncomfortable. In high‑rise buildings, heat often rises to the upper floors, creating a “heat trap” effect that lingers long after sunset. Renters in these situations often find themselves running AC units longer than they’d like, which drives up monthly bills.
 

Because of these challenges, renters need to be strategic about keeping their apartments comfortable. Understanding the common issues — like high utility costs, inefficient airflow, and heat retention — makes it easier to plan ahead and find affordable ways to stay cool in NYC apartments during the summer months.

Low‑Cost Cooling Strategies

When the summer heat really sets in, it’s easy to assume the only solution is blasting the AC all day. But for NYC renters, especially those balancing tight budgets, there are plenty of other ways to make a big impact on your apartment’s temperature without draining your wallet. By combining smart daily habits with a few simple adjustments, you can create a noticeably cooler space that feels comfortable even during the city’s hottest weeks.

 

You don’t need to spend a fortune to create a cooler, more comfortable living environment. These simple adjustments make a big difference:

 

  • Use Fans Strategically
    Place a box fan in the window facing outward to push hot air out, while setting up another fan across the room to circulate cooler air inward. Ceiling or tower fans also help keep the air moving, making rooms feel several degrees cooler.

     
  • Close Curtains During the Day
    Blackout curtains or thermal shades can block sunlight and reduce indoor temperatures dramatically. Keep them closed during peak sun hours, then open windows at night for natural airflow.

     
  • Create Cross‑Ventilation
    If your apartment has windows on opposite sides, open both to create a steady breeze. Even a cracked window and a well‑placed fan can improve airflow significantly.

     
  • Use AC Wisely
    If you have a window AC unit, set it to a moderate temperature (around 76–78°F) rather than blasting it on high. Avoid turning the unit off for short periods of time, since it takes more energy to cool the room back down than it does to maintain a steady temperature. This helps lower energy costs while keeping your space consistently comfortable.

 

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Renter‑Friendly Upgrades That Don’t Require Landlord Approval

Even if you can’t renovate your apartment, small changes go a long way in reducing heat:

 

  • Add Reflective Window Film
    Easy to apply and remove, window film reflects sunlight to keep your room cooler without blocking your view.

     
  • Swap Out Bedding and Rugs
    Lightweight cotton sheets and breathable rugs reduce heat retention and make your apartment feel fresher.

     
  • Seal Drafty Windows
    Use removable weather‑stripping or draft stoppers to keep hot air out and cool air in.

     
  • Choose LED Bulbs
    Traditional bulbs generate unnecessary heat. Switching to LED saves energy and keeps rooms cooler.

Tips Specific to Co‑Living or Shared Housing

When you’re sharing a space, staying cool can take teamwork:

 

  • Coordinate AC Use
    Agree on a schedule for running the air conditioning to avoid skyrocketing electricity costs.

     
  • Share Fans in Common Areas
    Instead of multiple small fans, invest in one larger tower fan for shared spaces to keep air circulating more efficiently.

     
  • Cook Smart
    Ovens and stovetops add a lot of heat, especially in small kitchens. Opt for no‑cook meals, microwave options, or use a countertop air fryer to reduce added heat.

     
  • Respect Quiet Hours with Cooling Solutions
    Some fans and AC units can be noisy, so consider quieter models or set timers to balance comfort and rest for everyone.
     

Staying cool in the summer doesn’t have to mean blowing your budget on endless AC bills. With smart strategies, from blackout curtains and fans to co‑living coordination, you can keep your NYC apartment comfortable all season long.
 

Looking for a place that’s already move‑in ready with utilities included? Roomrs makes it simple with fully furnished rooms, predictable pricing, and flexible leases designed for city living.
 

Browse available rooms today and discover how easy living in NYC can be.

Elie Mansdorf

Elie Mansdorf, Head of Real Estate

Elie Mansdorf is a distinguished professional with a unique blend of real estate, corporate development and executive experience. Elie holds a Juris Doctor from Georgetown Law, and a Masters in Accounting and Bachelor of Arts in Economics, both from Yeshiva University. Elie is renowned for a transformative approach to driving partnerships and growth across a spectrum of industries. He is recognized for a distinguished history of orchestrating high-value transactions, bringing extensive expertise in sourcing, leading, and finalizing deals across diverse sectors. His professional background includes senior executive roles at numerous national and global companies such as Thrasio, Blink Fitness, and Eden Health, and Diggifi. Elie is currently the Head of Real Estate for Roomrs, a premier provider of furnished housing and co-living in NYC, where he is focused on growing the Roomrs portfolio

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