New York City Mayor Zohran Mamdani told residents this week to set their air conditioning to 78 degrees to protect the power grid. Shortly after, he posted a second message urging New Yorkers to make sure older loved ones spend time in air-conditioned spaces. The internet noticed.
FFThe back-to-back directives, both posted to X, landed during a heat wave the city's own press release called potentially "historic," with a heat index that could reach as high as 112°F. The contradiction, cap your AC, but also make sure Grandma sits in front of the AC, drew immediate and pointed ridicule from across the political spectrum.
One user on X summed up the problem plainly: "Mamdani: Older adults are at greater risk for heat-related illness, especially during prolonged periods of extreme heat. Also Mamdani: set your AC to 78 degrees."
Mamdani's first post, from the official @NYCMayor account, framed the request as civic duty:
"New York: it's hot out there, and the power grid is working overtime to keep us cool. Set your AC to 78 degrees, turn off lights/electronics you're not using, and unplug what you can. Our City is doing its part too: maintaining the 78 degrees rule in our buildings, dimming/turning off our lights during peak electricity demand, asking private partners to do the same, and powering down non-essential equipment. A stable grid means the AC stays on, and lives are saved. Let's ease demand, and get through the heat, together."
The second post came shortly after. In it, Mamdani struck a different tone entirely:
"If you have an older loved one, friend or neighbor, check in with them today. Make sure they're staying hydrated, spending time in the air-conditioned spaces whenever possible and know where to find the nearest cooling center."
Set aside the policy merits of either message on its own. Taken together, the mayor told millions of New Yorkers to throttle their cooling systems during a triple-digit heat emergency, and then, in the next breath, told them to make sure elderly relatives stay cool in air-conditioned spaces. Nobody in City Hall apparently flagged the tension before both messages went live.
Conservative media personality Gina Milan responded on X: "You just told old people to keep their air at 78. Are you on drugs?"
Another user asked the obvious question: "How does he expect these older adults to stay cool if he wants them to keep their thermostat at 78?"
Reality TV figure and former Los Angeles mayoral candidate Spencer Pratt offered a shorter take: "Show us your thermostat, commie." The jab landed harder than it might have under ordinary circumstances, because Mamdani has publicly identified as a socialist, a political identity he carried into the mayor's office.
Mamdani's self-described socialism has shaped his tenure in ways that go well beyond energy policy. His political allies have toppled Democratic incumbents across New York, remaking the city's political landscape in his image.
The 78-degree directive might have drawn less fire if the mayor's own buildings were following it. They weren't. New York Post reporters used an infrared thermometer to measure temperatures inside City Hall and found readings as low as 54 degrees, twenty-four degrees below the standard Mamdani had just asked ordinary New Yorkers to accept.
City Council Minority Leader David Carr, a Staten Island Republican, said this: "Maybe the mayor shouldn't tell New Yorkers to sacrifice their comfort if he isn't willing to do the same," Carr told the Post. City Hall temperatures were only adjusted to the recommended levels after the Post confronted the mayor's office with its findings.
So the sequence runs like this: the mayor told New Yorkers to sweat at 78 degrees, told seniors to stay cool, and presided over a City Hall chilled to 54. That is not a communications stumble. It is a credibility problem.
Mamdani won the mayoralty after a relatively brief political career. He was first elected to a state Assembly seat in Queens in 2020. During the mayoral race, rivals from both parties questioned whether he had the experience to run the nation's largest city.
In a heated mayoral debate covered by the Associated Press, former Governor Andrew Cuomo laid out the case bluntly: "He's never dealt with the City Council. He's never dealt with the Congress. He's never dealt with the State Legislature. He's never negotiated with a union. He's never built anything." Former Comptroller Scott Stringer warned that "we cannot have a mayoralty on training wheels."
Heat waves are not hypothetical governing challenges. They require coordinated infrastructure management, clear public messaging, and the institutional competence to make sure city agencies practice what the mayor preaches. On all three counts this week, Mamdani came up short.
The mayor has faced mounting scrutiny on other fronts as well. His refusal to enforce a Supreme Court ruling on deportation protections drew sharp criticism from those who expect the city's chief executive to respect federal legal authority.
To be fair, the city did announce concrete measures alongside the contradictory messaging. The mayor's office said it would deploy Cooling Outreach On-Location, or COOL, vans, extend pool hours, and open an additional eight cooling centers at libraries and other sites. Those are standard heat-emergency protocols, and they matter.
But those measures exist precisely because officials know that telling people to cap their AC at 78 degrees during a potentially historic heat wave is not enough to keep vulnerable residents safe. The cooling centers are the city's admission that 78 degrees indoors may not cut it for the elderly, the sick, or the very young. The mayor's own messaging acknowledged as much, he just didn't seem to notice.
Mamdani has spoken about the intersection of climate and quality of life before. In an interview with The Nation prior to his mayoral victory, he said, "Climate and quality of life are not two separate concerns. They are, in fact, one and the same." He also proposed new school infrastructure to serve as heat shelters. Those are reasonable ideas in the abstract. But when the heat actually arrives and the mayor's first instinct is to ask residents to sacrifice comfort while his own building sits at 54 degrees, the gap between rhetoric and governance becomes impossible to ignore.
His decision to drop a plan for 580 new NYPD officers amid warnings of a looming summer crisis has raised separate questions about whether City Hall is prepared for the pressures that come with governing New York through its most demanding months.
One observer on X pointed out that Republican Mayor Rudy Giuliani issued similar AC instructions back in 1999, citing an archived city press release. That's a fair point, grid-strain advisories are not new, and they are not ideological. Every mayor who has governed New York through a summer heat wave has had to balance energy demand against public safety.
The difference is not in asking residents to conserve energy. The difference is in issuing two directives that openly contradict each other within hours, and then getting caught running your own headquarters at temperatures that make a mockery of the standard you just imposed on eight million people.
Mamdani's political rise has reshaped New York's Democratic establishment. His veto of a school protest buffer zone bill drew sharp rebukes from Jewish community groups, and his broader agenda has generated friction well beyond the usual partisan lines.
But governing is not campaigning. A heat wave with a potential 112-degree heat index does not care about your coalition or your ideology. It cares whether the lights stay on, whether the elderly are safe, and whether the people in charge can deliver a coherent message to a city that depends on them.
This week, Mamdani told New Yorkers to turn down the AC and keep Grandma cool. His own building was set to 54 degrees. The grid may hold. The mayor's credibility is another question.
