Make a one-time gift to Heat Seek

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Donate $10 to cover one month of sensor data  |  Give $25 to chip in for a family's sensor

With $100 you'll buy a sensor + install for one family  |  Give $1000 to sponsor a building

Read more about the impact of your year-end donation here.


With Heat Seek, I was able to submit proof of the lack of heat in my client’s apartment. Upon seeing the evidence, the landlord and his attorney conceded the issue and the landlord agreed to waive all rent claims and provide a rent-stabilized lease.
— Partner Attorney
Heat Seek allowed me to meet with the head of my
management company and convince them that I really was cold,
so they came and fixed the problem. Without them,
I’d still be cold!
— East Harlem Resident

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Thanks to your support, we've already:

  • Installed Heat Seek sensors in 100 cold buildings across all five borough

  • Convinced dozens of landlords across the city to turn the heat on, without going to court

  • Helped attorneys win over $300,000 in Housing Court fines against landlords

  • Partnered with two dozen community organizers and tenant lawyers