If the lease or the unit came with air conditioning, the landlord has to keep it working. If it did not, California does not require them to install it. That single distinction answers most of this question.
The numbers you will see quoted do not come from a law about air conditioning. California's habitability list is Civil Code 1941.1, and item (4) on it is heating facilities. There is no item for cooling. The 30-day figure comes from Civil Code 1942(b), a remedy written for conditions that make a home untenantable, which is a defined term, and air conditioning is not on the list that defines it. The 24-to-48-hour figure is in no statute at all.
That does not mean a tenant has no claim. It means the claim runs through the lease rather than through the habitability statute, and the difference changes which remedies are available.
So the useful question is not whether the law forces a landlord to keep a rental cool. It is narrower: when the AC is not working in a unit that came with one, who has to fix it, how fast, and who pays. Those three have answers.
We are a licensed Sacramento HVAC contractor, CSL# 967727. We take rental cooling calls every summer, and the case studies below are our own job records rather than stock examples. If you would rather skip to booking, contact us.
Key Takeaways
- California has no statewide law requiring a rental to have air conditioning. Civil Code 1941.1 lists heating facilities and does not list cooling.
- If the AC was provided or is written into the lease, it has to work. The City and County of Sacramento inspection checklist says so in four words: "air conditioning unit – if provided."
- The Department of Real Estate's tenant guidebook calls items like this "amenities," whose "absence does not make a dwelling unit unfit for living," and treats the lease as what makes them enforceable.
- Repair-and-deduct under Civil Code 1942 is written for "dilapidations rendering the premises untenantable." Reaching for it on an amenity is a legal judgment, not a formality.
- Sacramento concentrates 68 percent of its annual cooling load into June, July and August, which is why a broken AC here is a sharper problem than the statute's silence suggests.
- On a rental call, Alpha Mechanical bills the owner or manager and schedules with the tenant. Flat $89 diagnostic, applied toward the repair.
Is a Landlord Required to Provide Air Conditioning in California?
No. There is no statewide requirement.
The list of things a California rental must have is in Civil Code 1941.1(a), which says a dwelling "shall be deemed untenantable for purposes of Section 1941 if it substantially lacks any of the following affirmative standard characteristics or is a residential unit described in Section 17920.3 or 17920.10 of the Health and Safety Code" (California Civil Code 1941.1, retrieved 2026-09-23). Item (4) on that list is:
"Heating facilities that conformed with applicable law at the time of installation, maintained in good working order."
Read the list. Heating is on it. Cooling is not on it, in any item.
The cross-reference does not add cooling either. Health and Safety Code 17920.3(a) is the substandard-building list, and it reads "(6) Lack of adequate heating" followed by "(7) Lack of, or improper operation of required ventilating equipment" (California Health and Safety Code 17920.3, retrieved 2026-09-23). The word required is carrying that sentence. Ventilating equipment the code requires has to work. Air conditioning is not equipment the code requires.
So a unit with no air conditioning, and no promise of any, is not substandard in California for that reason alone. A landlord does not have to install one.
Side by side, the two systems sit in different places in the law:
| Heating | Air conditioning | |
|---|---|---|
| On the Civil Code 1941.1 habitability list | Yes, item (4) | No |
| On the Health and Safety Code 17920.3 substandard list | Yes, "Lack of adequate heating" | No |
| Statutory temperature standard | 70 degrees F at three feet, 25 CCR 34(a) | None |
| Landlord must install if absent | Yes | No |
| Landlord must repair if present | Yes | Yes, as a lease obligation |
| Sacramento inspection checklist | Its own "Heat" line | Under "Mechanical," if provided |
| Repair-and-deduct under Civil Code 1942 | Written for this | Written for untenantable conditions, which this is not |
When the Landlord Does Have to Fix It
Here is the turn, and it is the part worth reading twice.
Provide air conditioning with the unit, or write it into the lease, and the question changes. It stops being about habitability. It becomes a question about what the landlord agreed to deliver. The California Department of Real Estate's tenant guidebook sets out that category directly. Discussing items like refrigerators, washing machines, parking places and pools, it says these "are usually considered 'amenities,' and their absence does not make a dwelling unit unfit for living," and that "these agreements to repair are usually enforceable in accordance with the intent of the parties to the rental agreement" (California Department of Real Estate, Dealing With Problems, retrieved 2026-09-23).
Not unfit for living, and still enforceable. Both halves are true at once.
Locally, the point is settled in four words on a government form. The City and County of Sacramento Rental Housing Inspection Program publishes a Self-Certification Inspection Checklist that an owner fills in. It carries a standalone Heat line, "(Unit be permanently installed and property functioning)", with no matching line for cooling. Air conditioning appears one row down, inside Mechanical:
"All mechanical equipment in the unit must properly function including; appliances, venting systems, thermostats, smoke detectors, carbon monoxide detector, air conditioning unit – if provided, etc."
(Rental Housing Inspection Program Self-Certification Inspection Checklist, retrieved 2026-09-23.)
"If provided" is the whole rule. Heat gets its own line because it is required. Air conditioning is inspected on the condition that it exists, and once it exists it has to properly function. An owner who signs that checklist with a dead condenser on the property is certifying something that is not true.
For a whole-property view of the habitability list, including the 70-degree heating standard and what the 30-day presumption actually means, see our companion guide on how long a landlord has to fix the heat.
How Long Does a Landlord Have to Fix the AC in California?
A reasonable time. No statute sets a number for air conditioning, and the numbers in circulation are not coming from one.
It is worth being specific about where they do come from. Civil Code 1942(b) creates the 30-day figure, and it creates it for exactly one purpose: repair-and-deduct. The subsection reads that "if a tenant acts to repair and deduct after the 30th day following notice, he is presumed to have acted after a reasonable time," and then calls that a rebuttable presumption that does not prevent acting sooner "if all the circumstances require shorter notice" (California Civil Code 1942, retrieved 2026-09-23). Subsection (a) states what the remedy is for: "dilapidations rendering the premises untenantable which the landlord ought to repair."
Untenantable. The same defined term, pointing back to the same list that does not include cooling.
The "24 to 48 hours in a heat wave" figure has an even thinner pedigree. It is not in any statute. Repeating it as law is how a reasonable expectation turns into a false entitlement.
What is true, and more useful than a number:
- A lease obligation is still an obligation. It is enforced as a contract term rather than as a habitability breach, and the DRE guidebook notes a tenant "may have a right to a reduced rent if a landlord does not provide certain amenities that are part of your lease."
- Circumstances move the line. The statute's own language, "all the circumstances," is why a failure during a Sacramento July is not the same conversation as the same failure in April.
- Written notice starts the clock, whatever the clock turns out to be. Every route through this begins with a dated written report, which is the one step a tenant fully controls.
We are an HVAC contractor, not a law firm. Whether a particular broken AC supports repair-and-deduct, a rent reduction or anything else is exactly the question to put to a lawyer or a legal aid office rather than to us. What we can say is the narrow part that is ours: a diagnostic visit produces a dated written record of what the equipment was actually doing, and that record is worth more than a recollection on any of these routes.
Is There a Maximum Temperature Law for California Rentals?
Not yet.
Senate Bill 655 was signed on 2025-10-10. Read the enrolled text and it does something narrow. It adds Section 17914 to the Health and Safety Code, declaring "it is hereby declared to be the established policy of the state that all dwelling units, as defined in Section 1940 of the Civil Code, shall be able to attain and maintain a safe maximum indoor temperature." It then directs state agencies to consider that policy now in their policies, programs and grant criteria, and, "beginning January 1, 2027," when they revise regulations. Subsection (c) adds that the section "does not expand any obligation of the state to provide a safe maximum indoor temperature" (Senate Bill 655, retrieved 2026-09-29).
It amends no habitability section of the Civil Code, sets no temperature, and creates no duty a landlord owes today. It is a direction to state agencies, not to landlords, and its regulatory half starts in 2027. A maximum-temperature standard may well follow. It does not exist now, and a tenant told otherwise is being set up to rely on something that is not there.
The minimum still stands, by contrast, and it is precise: heating facilities capable of 70 degrees F measured three feet above the floor, under Cal. Code Regs. tit. 25, section 34(a) (retrieved 2026-09-23), subject to that section's own existing-building exemption. Heat has a number. Cooling does not.
Why Sacramento Makes This Sharper Than the Statute Suggests
The law is silent on cooling. The climate is not.
NOAA's 1991 to 2020 monthly normals for Sacramento Executive Airport, station USW00023232, put the July normal daily maximum at 92.6 degrees F and August at 91.9 (NOAA NCEI monthly normals, retrieved 2026-09-23). Cooling degree days, the standard measure of how much cooling a climate demands, fall like this:
| Month | Cooling degree days |
|---|---|
| January | 0.0 |
| February | 0.0 |
| March | 0.9 |
| April | 17.6 |
| May | 95.1 |
| June | 223.6 |
| July | 338.0 |
| August | 321.1 |
| September | 229.6 |
| October | 64.6 |
| November | 0.9 |
| December | 0.0 |
| Year | 1,291.4 |
June, July and August carry 882.7 of the annual 1,291.4, which is 68.4 percent of the year's cooling demand inside three months.
That is a tighter concentration than the heating side. The same station's heating degree days total 2,436.2 a year, and the three coldest months carry 60.4 percent of it. Sacramento's cooling season is shorter and more violently peaked than its heating season.
The practical consequence is the one every property manager here already knows. An AC failure in mid-July lands in the narrowest, hottest window the year has. It lands there in the same week every other unit in the region is also failing, when parts and schedules are tightest. The statute's silence does not change that. Neither does a number copied off another blog.
What Rental AC Calls Actually Look Like
Three from our own records. Addresses, names and phone numbers are withheld; the quoted text is the technician's or the customer's own wording from the job record.
Case 1: One Complex, Nine Days, Three Different Faults
Carmichael 95608, August 2026. The customer of record is an apartment community rather than any resident, so all three calls were authorized and billed to the property.
- August 20, reported as "Ac is not working." The work was refrigerant, billed on the "Additional R-22 / 410A per pound" line. Subtotal $491.40.
- August 21, reported as "AC blowing warm air." The part was a run capacitor, which our invoices list as "Motor Starter ( 30 - 50 mfd )." Subtotal $336.00.
- August 28, reported as "Air conditioning is taking longer than normal to cool down the apt - took 2 hours to go from 78 to 70 at night. Main HVAC airflow into living room feels weak." Diagnostic visit, subtotal $89.00.
Three tenant reports, nine days, one property, three unrelated faults and three price points. This is the strongest argument against treating "the AC is broken" as one thing with one response time. The August 28 report is also the most useful of the three as a report, because the resident gave a starting temperature, an ending temperature, a duration and an airflow observation. That is a diagnosis most of the way home before anyone drives out.
Case 2: "AC Not Working" Plus the Billing Line, in One Sentence
Fair Oaks 95628, August 2026. The job note reads: "Ac is not cooling properly, tenant will be at home all day," followed by a line naming the property management company that would be paying.
One sentence, both halves of a rental call. The resident supplies access. The management company supplies authorization and payment. Neither can substitute for the other. A technician with approval and no access accomplishes nothing, and so does a technician with access and no approval.
Case 3: The Owner Who Suspected Operator Error
Folsom 95630, May 2026. The owner booked it themselves and wrote: "My tenants say the AC isn't blowing cold air. I'm going over at 3:00 to check for operator error."
A fair suspicion in May. A thermostat left on HEAT, or on FAN ON, explains a lot of early-season complaints. This was not operator error. The repair was a run capacitor, the same "Motor Starter ( 30 - 50 mfd )" part as Case 1's second call, at $336.00.
The lesson is not that the owner was wrong to check. Checking is free and takes ten minutes. The lesson is about timing. May is when a failing capacitor first shows itself, on the first genuinely warm afternoon. The same fault found in May is a scheduled repair. Found in July, it is an emergency.
What these three do not show is any pattern about response times, because three jobs are not a sample and we are not presenting them as one. What they do show is that the reports arrive in the resident's vocabulary and the faults do not line up with it.
For the diagnostic side of any of this, our guide to why an AC runs but the house will not cool walks through what a technician checks and in what order, and AC repair cost in Sacramento covers what the common repairs run.
What a Tenant Should Do, in Order
Report it in writing, with the date. Then describe what the equipment is doing rather than that it is broken.
The August 28 report in Case 1 is the model, and it is worth copying almost literally. Useful reports carry:
- A starting and ending indoor temperature, and how long the gap took.
- What the outdoor unit is doing. Running, silent, humming without the fan turning.
- What is coming out of the vents. Warm, cool but weak, nothing at all.
- When it started, and whether it is constant or intermittent.
- The thermostat setting you actually have, including the mode and the fan setting.
Two things are not a scheduling conversation. If you smell something burning from the vents or the outdoor unit, shut the system off at the thermostat and report it that way. If anyone in the unit is showing signs of heat illness, that is a medical call before it is a maintenance call. Sacramento County and the cities open cooling centers during sustained heat events (SacramentoReady, Heat, retrieved 2026-09-23). During an activation the county asks residents to call 2-1-1 to check capacity before travelling to a respite center, and 211sacramento.org maps the open locations (Sacramento County, Cooling Centers Activated Around The County Due To Heat Advisory, retrieved 2026-09-29).
If the thermostat screen itself is dead, that is a different fault path. See why a thermostat goes blank before reporting it as an AC failure.
What an Owner or Manager Should Do
Decide the authorization and the access before June, because July is not when those decisions get made well.
- Authorize the diagnostic on the first call. Ours is a flat $89 regardless of how long the diagnosis takes, and it is applied toward the repair. Approving it up front removes a round trip in the week when round trips cost the most.
- Give the technician the resident's number directly. Every relay through an office costs a day. In a Sacramento July, a day is not a scheduling detail.
- Know whether the AC is in your leases. This is the question the whole article turns on, and it is answerable in an afternoon with the lease file rather than in an argument in August.
- Replace on your schedule, not on the hottest week of the year. A system that needed refrigerant this summer is telling you something about next summer.
If you hold units across the region, our HVAC service across Sacramento covers the city itself, and the same crew handles the outlying cities.
If the Repair Stalls
Sacramento's escalation route for a rental in disrepair is code enforcement. The Rental Housing Inspection Program runs through the Department of Community Development for the County of Sacramento and the City of Sacramento, its inspection form carries 916.876.9020 and 916.808.7368, and the Resident's Rights Form given to city renters prints a 24-hour complaint line, (916) 808-5011.
Be realistic about what that route reaches. Code enforcement inspects against the checklist, and on that checklist air conditioning is a Mechanical item conditioned on "if provided." A complaint about a provided AC that does not function has a line to point at. A complaint that a unit has no AC at all does not.
Frequently Asked Questions
Is a landlord required to provide air conditioning in California?
No. California has no statewide law requiring air conditioning in a rental. The habitability list in Civil Code 1941.1(a) includes heating facilities at item (4) and includes no item for cooling, and the substandard-building list in Health and Safety Code 17920.3(a) likewise names "Lack of adequate heating" and no cooling equivalent. A landlord who never provided air conditioning is not required to install it. State law is the floor, so check the city or county code as well.
Does a landlord have to fix an air conditioner that came with the unit?
Yes, if it was provided with the unit or promised in the lease. At that point it is part of what the landlord agreed to deliver. The California Department of Real Estate's tenant guidebook describes items in this category as "amenities" whose agreements to repair are "usually enforceable in accordance with the intent of the parties to the rental agreement," and the City and County of Sacramento inspection checklist requires that an "air conditioning unit – if provided" properly function.
How long does a landlord have to fix the AC in California?
A reasonable time, and no statute sets a number for air conditioning. The 30-day figure that circulates comes from Civil Code 1942(b), which attaches it to repair-and-deduct for "dilapidations rendering the premises untenantable," and cooling is not on the list of conditions that define untenantable. The widely quoted "24 to 48 hours in a heat wave" appears in no statute at all. Circumstances matter, written notice starts the record, and how urgent a given failure is remains a legal judgment rather than a published deadline.
Can a tenant use repair-and-deduct for a broken air conditioner?
That is a legal judgment and it should be taken to a lawyer or legal aid, not decided from a blog post. The reason for caution is in the statute's own wording: Civil Code 1942(a) makes the remedy available for "dilapidations rendering the premises untenantable," and air conditioning is not among the characteristics that define untenantability under Civil Code 1941.1.
Is there a maximum temperature law for rentals in California?
Not one that binds a landlord today. Senate Bill 655, signed 2025-10-10, adds Section 17914 to the Health and Safety Code declaring it state policy that dwelling units be able to attain and maintain a safe maximum indoor temperature, and directs state agencies to consider that policy in their programs now and when revising regulations beginning January 1, 2027. The section states that it "does not expand any obligation of the state to provide a safe maximum indoor temperature." It amends no habitability section and sets no number. The minimum-temperature standard is the one that exists and binds: heating facilities capable of 70 degrees F at three feet above the floor, under Cal. Code Regs. tit. 25, section 34(a), subject to that section's own existing-building exemption.
Who pays the HVAC company for AC repair in a rental?
The property owner or manager. On our rental calls the owner or the management company is the customer of record, authorizes the work and receives the invoice, while the resident schedules access. A tenant should not be asked to pay the technician or to approve a repair.
Can a tenant be charged for an AC repair?
Not for ordinary component failure, which is the owner's cost. Two narrower situations are different: damage the resident caused, and maintenance the lease assigns to the resident, which most often means filter changes. A filter left in place for a season restricts airflow and is a genuine cause of poor cooling, which is why it appears in leases at all.
Getting the Cooling Back On in a Sacramento Rental
The legal position is workable once it is stated plainly. California does not require a rental to have air conditioning. If the unit came with it, it has to work. No statute sets a repair deadline for it, so what governs in practice is the lease, the circumstances, and how fast the owner authorizes and the resident opens the door.
Alpha Mechanical works with Sacramento-area owners and property managers on residential cooling calls. On a rental call we bill the owner or manager and schedule the access window with whoever is living there. Same-day on weekdays when the schedule allows, flat $89 diagnostic applied toward the repair.
Book AC repair in Sacramento. If this is the third call on the same system this season, repair or replace works through how that decision usually gets made.

