What the law says about air conditioning outages
How long a landlord can leave you without air conditioning depends on where you live and whether air conditioning is considered part of your lease. In most states, air conditioning is not legally required — only heat in winter is. However, if your lease lists air conditioning as included, or if your state or city has specific rules about it, your landlord must repair it within a set timeframe or you may have legal options.
The timeframe varies widely. Some cities require repairs within 24 hours; others give landlords 7 to 14 days. A few states have no specific rule at all, which means the general "reasonable time" standard applies — usually interpreted as a few days to a week depending on the season and how hot it is outside.
The key distinction is between a broken system and a system that was never promised. If your lease says air conditioning is included, or if you pay extra for it, your landlord is responsible for repairs. If air conditioning was never part of your rental agreement, your landlord has no legal duty to fix it, though they still cannot deliberately disable a working system.
Key Takeaways
- Air conditioning is required by law in only a few states and cities; most treat it as optional unless your lease specifically includes it.
- If your lease includes air conditioning, your landlord must repair it within a timeframe set by your state or city — usually 24 hours to 14 days depending on location.
- During extreme heat (above 85–90°F depending on your area), some jurisdictions shorten the repair window or allow you to break the lease.
- If repairs are not made on time, you may be able to withhold rent, repair it yourself and deduct the cost, or break your lease without penalty in some places.
- Document the outage with photos, dates, and written requests to your landlord to protect yourself if you need to take legal action.
State and city rules for air conditioning repair timelines
A handful of states and cities have written air conditioning into their housing codes. Arizona requires repairs within 24 hours when temperatures exceed 95°F. California requires repairs within 72 hours if the system was working when you moved in. New York City requires repairs within 24 hours during summer months (June through September). Las Vegas and Phoenix have similar 24-hour rules during heat season.
Most other states have no specific air conditioning rule. In those places, the general landlord duty to maintain "habitable" housing applies, which is interpreted differently by different courts. Some judges consider a broken air conditioner a serious breach if it is summer and very hot; others do not. This ambiguity is why documentation matters — if you end up in court, you need a clear record of when the system broke and when you asked for repairs.
If your state has no written rule, check your city or county code. Many cities have adopted their own standards even when the state has not. Your local housing authority or tenant rights organization can tell you what applies where you live.
What counts as "included" air conditioning
Your lease is the starting point. If it says "air conditioning included" or lists air conditioning as part of the rental, your landlord must maintain it. If the lease is silent on air conditioning, you need to look at what you actually paid for. If you paid a higher rent because the unit has air conditioning, or if the listing advertised it as a feature, a court may find that air conditioning is part of what you rented.
If you moved into a unit that had a working air conditioner and your landlord broke it or disabled it, that is different from a unit that never had one. Deliberately removing a working system can violate habitability rules even in states with no air conditioning requirement.
Window units and portable units are trickier. If you installed them yourself, your landlord has no duty to repair them. If the landlord provided them as part of the rental, the same repair rules explore as a built-in system.
What to do if your air conditioning breaks
Write to your landlord when ready — email is best because it creates a time-stamped record. Include the date the system stopped working, the temperature inside your unit if you have a thermometer, and the date of your request. Do not call and assume they will remember. If your landlord has a maintenance line or online portal, use it, but also send a written message so there is proof you asked.
Take photos of the thermostat, the outdoor unit if you can see it, and any visible damage. Note the outdoor temperature on the day you request repairs. If the outage lasts more than a day or two, take a photo of the thermostat again to show the indoor temperature is still high.
If your landlord does not respond or does not repair the system within the timeframe your state or city requires, you have options depending on where you live. In some places, you can withhold rent equal to a percentage of your monthly payment. In others, you can hire a repair person yourself and deduct the cost from rent — but you must follow your state's rules for this, which usually require written notice and a waiting period. In a few jurisdictions, you can break your lease without penalty if the air conditioning is not repaired within the required time during extreme heat.
Extreme heat and your right to break a lease
A few states and cities treat air conditioning differently during extreme heat. If outdoor temperatures exceed a certain threshold — usually 85°F to 95°F depending on the location — and your air conditioning is broken, some jurisdictions allow you to terminate your lease without penalty or reduce your rent until repairs are made.
Las Vegas, for example, allows tenants to break a lease if air conditioning is not repaired within 24 hours during the cooling season (May through October) and the indoor temperature exceeds 78°F. Arizona has similar rules. California does not have an explicit extreme heat rule, but courts have found that a broken air conditioner in summer heat can justify lease termination under the habitability standard.
If you live in a place with extreme heat and your air conditioning is broken, contact your local housing authority or tenant rights organization when ready. They can tell you whether you have the right to break your lease and what steps you need to take first.
Rent withholding and repair-and-deduct options
If your landlord does not repair the air conditioning within the required time, you may be able to withhold rent or repair it yourself and deduct the cost. These options exist in most states, but the rules vary significantly.
Rent withholding: In some states, you can withhold all or part of your rent if your landlord fails to make required repairs. You must usually give written notice first and wait a set period — often 7 to 14 days — before withholding. The amount you withhold should be proportional to the loss of use. If your air conditioning is broken but you can still live in the unit (it is just uncomfortable), a court might allow you to withhold 10 to 25 percent of rent, not 100 percent. Some states do not allow rent withholding at all for air conditioning because it is not considered essential to habitability.
Repair and deduct: Many states allow you to hire a repair person yourself and deduct the cost from your next rent payment, but only if you follow the rules. You must usually give your landlord written notice, wait a set period (often 7 to 14 days), and get a receipt for the repair. The repair cost must be reasonable — a court will not allow you to deduct $2,000 for a repair that should cost $400. Some states cap the amount you can deduct per year or per repair.
Before you withhold rent or repair and deduct, research your state's specific rules or contact a tenant rights organization. If you do it wrong, your landlord can file for eviction, and you will have to defend yourself in court. Having the law on your side is only useful if you follow the procedure correctly.
When air conditioning is not your landlord's responsibility
If your lease does not include air conditioning and you installed a window unit or portable unit yourself, your landlord has no duty to repair it. You are responsible for maintenance and replacement. If the unit breaks, that is your cost.
If your landlord provided a window unit but your lease does not mention air conditioning, the situation is less clear. Some courts treat provided equipment as part of the rental; others do not. Check your lease and your state's rules, or ask a tenant rights organization.
If you deliberately broke the air conditioning or caused damage that disabled it, your landlord can charge you for repairs under the security deposit rules or sue you for the cost. This is true even in states where air conditioning is required — you are responsible for damage you cause.
Frequently Asked Questions
Can my landlord charge me to fix the air conditioning if it breaks on its own?
No, if air conditioning is included in your lease or required by your state or city, your landlord must pay for repairs. If it is not included and you installed it yourself, you pay. If your landlord provided it but your lease does not mention it, the answer depends on your state — contact a tenant rights organization to be sure.
What if my landlord says they will fix it "eventually" but will not give me a date?
Document the conversation in writing. Send an email saying "You told me on [date] you would repair the air conditioning. Please confirm when the repair will happen." If your state or city has a important date and that important date passes, you may have the right to withhold rent or repair and deduct. Do not wait indefinitely.
Can I break my lease if the air conditioning is broken?
In most places, no — unless your state or city has a specific rule allowing it during extreme heat or after a certain repair important date passes. A few jurisdictions do allow lease termination if air conditioning is not repaired within a set time during summer. Check your local housing authority or tenant rights organization.
What if my landlord says air conditioning is not required where I live?
They may be right. In most states, air conditioning is not legally required. However, if your lease lists it as included, or if you paid extra for it, your landlord must maintain it. If it was never part of your agreement, your landlord has no legal duty to repair it — but they cannot deliberately disable a working system.
How do I prove when the air conditioning broke if my landlord denies I asked for repairs?
Write to your landlord in email or text, not in person. Keep copies of all written requests. Take photos of the thermostat and the outdoor unit. If you have a smart thermostat, it may have a log showing when the temperature spiked. These records are evidence if you end up in court or dealing with an eviction.