When to buy an air conditioner in India: the calendar that sets the price

Updated September 11, 2026 · Claude AC · 2 sources cited

Contents (6)

What actually changes, month by month
The label year is the variable nobody mentions
What peak season costs beyond the sticker
Where off-season buying is genuinely worse
The checks that matter more than the date
Frequently asked questions

An air conditioner is one of the few large purchases an Indian household makes at the worst possible moment. The heat arrives, the bedroom becomes unusable inside a week, and the machine is bought within seventy-two hours from whatever the nearest dealer has in stock, at whatever is on the tag, with a fitting slot four days away. Nothing about that sequence is irrational. It is simply expensive, and most of the expense disappears if the decision is made three months earlier — because three separate things move with the Indian calendar, and they do not move together: the price, the star label, and the installer’s diary.

What actually changes, month by month

The room air conditioner trade in India sells the bulk of its year between March and June, and everything else in the business is arranged around that fact. Discounts are deepest when warehouses are full and demand is thin. Installation quality is best when a technician is doing two jobs a day rather than six. Neither condition coincides with the week you want the machine.

Window	What the price tends to do	What the installer’s diary looks like
January–February	Previous-label and previous-model stock cleared; cash negotiation at its easiest	Empty — same-day or next-day fitting, unhurried
March	Pre-season schemes launch on the current line-up; the best balance of choice and price	Filling up, still comfortable
April–June	Headline offers narrow to exchange and finance; cash discount largely disappears	Queues of several days; work rushed at the peak
July–September	Monsoon lull; genuine clearance of what the season left behind	Open again
October–November	Festive sales — the loudest discounts of the year, but on selected models	Busy with other appliances, generally workable
December	Year-end clearance ahead of the new label year and the new line-up	Empty

Treat that as a pattern rather than a price list. Brands run schemes on their own commercial logic and a single model can be discounted in May because it is overstocked, while another holds firm in January because it is short. What does not vary is the direction: the further you are from the heat, the more of the negotiation happens on your side of the counter.

The label year is the variable nobody mentions

India’s star rating is not an absolute scale. The Bureau of Energy Efficiency periodically raises the ISEER a machine must reach to earn each star, and a revision took effect on 1 January 2026 with a stated validity running to the end of 2028. The thresholds moved up by roughly a tenth across the bands, which had one very visible consequence in showrooms: a large part of the market slipped a star without a single component changing. A split that carried five stars on a 2025 label typically carries four on a 2026 one, and it is exactly the same machine, with exactly the same electricity consumption.

Two things follow for a buyer, and both are worth real money.

Never compare star counts across label years. Compare the ISEER figure and the annual units printed on the label itself — those are physical numbers and they do not move when the scale does. Our guide to reading the BEE label and ISEER sets out how the two relate.
Old-label stock is often the best value on the floor. A machine labelled under the previous table is legally saleable, and dealers discount it because the printed star count now looks weaker than the competition next to it. If the ISEER matches what you would otherwise buy, the discount is free money. If the ISEER is genuinely lower, it is not — and the difference is on the label.

What peak season costs beyond the sticker

Choice collapses to stock. In late May you buy what is in the warehouse, which is rarely the model you researched.
The installation is rushed. The steps that decide how long the machine lasts — evacuation, a proper leak and pressure check, a level indoor unit, a drain with fall on it — are the steps a technician compresses when four more jobs are waiting. What the standard fitting should include, and what gets billed on top, is in our guide to split AC installation charges.
You have no leverage. A buyer who needs cooling tonight cannot walk away, and every party in the transaction knows it.
Extras are priced at peak rates. Additional copper, a stand, core cutting and a stabiliser are all quoted more generously in May than in February.

Where off-season buying is genuinely worse

The case is not one-sided, and pretending otherwise would be dishonest.

Exchange and finance offers peak with demand. The richest exchange valuations for an old machine and the widest no-cost EMI tenures land in the selling season, not in December — the arithmetic of what an exchange is actually worth sits in our guide to getting rid of an old AC.
The warranty clock starts at the invoice. Buy in December and roughly four months of the first year are spent on a machine nobody switches on. Over a ten-year compressor cover this hardly matters; over a one-year comprehensive cover it does.
New line-ups arrive in the new year. December clearance is, by definition, last year’s range — fine if the specification suits you, frustrating if the feature you wanted lands in February.

Balanced against each other, the sweet spot for most households is February to March: the new label year and the new range are on the floor, the pre-season schemes have started, the technician has time, and the machine has its first full summer of warranty ahead of it rather than behind it.

The checks that matter more than the date

The manufacturing date. It is printed on the carton and encoded in the serial number. A unit that has sat in a godown for two seasons is not damaged, but it is worth a discount and its warranty runs from your invoice, not from the date it was made.
The label, not the star. Photograph it. The ISEER, the annual units and the label’s own validity year are the three numbers that decide the running cost.
The tonnage, decided before you enter the shop. Peak-season buying is where oversizing happens; our tonnage rules for Indian rooms take ten minutes to apply.
The service network in your city, which matters more than a small price difference and is the strongest argument for a dealer over a marketplace listing.
What the quoted installation covers, agreed in writing before the technician climbs the ladder rather than discovered on the bill.
The invoice, kept. It is the warranty document, and in a dispute it is the only one that counts.

One thing the calendar no longer explains is the tax: air conditioners moved to the 18 % GST slab in September 2025, and that change is already inside every price you will be quoted, as our guide to GST on air conditioners works through.

Frequently asked questions

Is it really cheaper to buy an AC in winter?

On cash price, usually yes — January and February are when dealers clear previous-model and previous-label stock and when a buyer can negotiate at all. What you give up is the richer exchange and EMI offers of the selling season, plus a few months of the first-year warranty. For a straightforward cash purchase, off-season wins; for a heavily financed one, the gap narrows.

Did my five-star AC become less efficient in 2026?

No. The machine is unchanged; the scale moved. BEE raised the ISEER required for each band from 1 January 2026, so a great many models now display one star fewer than they did in 2025 while consuming exactly the same electricity. The annual units figure on the label is the number that did not change.

Are festive-season deals better than summer deals?

The headline numbers are usually larger in October and November, because that is when the entire appliance trade competes hardest. Whether the deal is better depends on the model: festive discounting concentrates on selected stock-keeping units, and the machine you actually want may not be among them. Compare the final landed price, including installation and any extras, not the percentage on the banner.

How long does installation take in peak season?

The fitting itself is a few hours. The wait is the variable, and in the last week of May in a metro it can stretch to several days for a brand-scheduled installation. Buying early is the only reliable way to avoid it; paying for a private installation is the common shortcut and it voids nothing only if the brand’s own terms allow it, which is worth confirming first.

Online or from a local dealer?

Marketplaces usually win on price and on transparency of specification; a local dealer usually wins on delivery timing in peak season, on installation follow-up and on having someone to call when something goes wrong in year two. If the two prices are close, the dealer relationship is worth more than the difference.