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Lemon Law and a New Aircon: The Seller Owes the Remedy

A new aircon that cools poorly sends most households to the manufacturer's warranty. A second route exists, running against the seller, and the two are not alternatives to the same argument. Which one applies depends on what went wrong.

By Team Snowflake | Updated 16 Sept 2026

Two remedies, and two different parties on the hook

A new system that will not cool the way it should usually triggers one phone call, and it goes to the brand. That call is about the manufacturer's warranty, a promise the maker chose to give on terms it wrote. Singapore consumer law adds a second route that points elsewhere.

The second route sits in the Consumer Protection (Fair Trading) Act, the Lemon Law. It lets a buyer ask for repair, replacement, a price reduction or a refund when goods do not conform to contract at delivery. The obligation falls on the seller: the business that took the money answers for the goods.

Neither route cancels the other. Government guidance states that a warranty granted separately by the maker or supplier keeps running alongside the statutory rights. A household holds two claims, addressed to two different parties. Being turned away by a brand settles nothing about the position with the seller.

The statutory route has edges. It applies to purchases by consumers, so a company buying for its own premises falls outside it, as does a private sale between households. Used units are inside it, though age and price are weighed when judging fair quality. This page is orientation, not legal advice.

Why the question is conformity, not breakage

A unit that runs may still not conform. The statutory test asks whether the goods matched the contract at the point of delivery, wider than whether something has failed. Government guidance draws the standard from sale of goods law: satisfactory quality, fitness for the purpose bought, reasonable performance expectations given the description and price.

Satisfactory quality is broken into parts: durability, fitness for the purposes goods of that kind are supplied for, appearance and finish, freedom from minor defects, and safety. A system that cools weakly from new can fail that test while every part inside still works, and so can one that runs louder than described.

Timing is where households lose ground without noticing. The problem has to have been present at delivery, even if it showed itself later. A weakness inside the unit on day one counts, whenever it surfaces. Harm the household caused afterwards does not.

The law also names the situations where nothing is owed. CASE sets them out plainly, and they are worth reading before a claim is raised rather than after.

  • The buyer damaged or misused the item and caused the fault.
  • A repair attempted by the buyer, or someone acting for the buyer, caused damage.
  • The buyer was told about the fault before buying it.
  • The buyer changed their mind.
  • The fault is down to wear and tear.

What a seller cannot sign away

A notice on the wall does not remove statutory rights. Government guidance states that a retailer cannot contract out of these obligations. The examples given are direct: a sign saying no refunds under any circumstances, or that an item is sold as it is.

One exception runs the other way. A defect pointed out to the buyer before the sale is not something the seller answers for afterwards. Guidance suggests sellers record such defects on the sales contract, invoice or packaging. That is why a display unit or discounted line arrives with a written note of what is wrong.

Buying online changes none of this. Government guidance confirms that the Lemon Law covers physical goods bought over online platforms, and that it does not distinguish between local and foreign traders. The practical limit is enforcement, not coverage: a judgment against a seller with no presence in Singapore may be hard to act on.

The remedies come in an order

The remedies are tiered, and a buyer cannot start at the bottom. Repair or replacement comes first, within a reasonable time and without significant inconvenience, and guidance states the seller carries the costs. Labour, materials and moving the goods for repair all sit on the seller's side.

A price reduction or a refund opens once the first tier has had a fair chance. That point arrives when repair and replacement are not possible, would cost the seller disproportionately, or cannot be done in reasonable time without significant inconvenience. A seller may offer a different remedy where the one demanded costs disproportionately more. A refund can be trimmed for the use the buyer has already had.

Six months from delivery decides who has to prove what. A problem inside that window is presumed to have been there at delivery, unless the seller proves otherwise, or the presumption does not suit the nature of the goods. Past six months the buyer carries that burden.

That distinction matters. Plenty of consumer writing describes the six months as a deadline for claiming, and guidance says the opposite: remedies stay available afterwards, and what changes is who is arguing uphill. CASE publishes the current position, handles complaints and runs mediation.

The aircon fork: the box, the fitting, or the specification

A new aircon that underperforms is more often a fitting problem than a faulty product. The statutory remedy attaches to goods, and both CASE and government guidance state that the Lemon Law does not apply to services.

Installation is a service, and frequently a separate agreement with a separate party. A household that bought from one company and hired another to fit holds two contracts. The seller does not answer for how somebody else ran the pipes. Where one company both supplied and fitted, one contract carries two kinds of obligation, and the fault's side still has to be worked out.

The split between product cover and workmanship cover is set out separately, in the guide devoted to it. What matters here is narrower: the statutory route only opens where the fault sits on the goods side of that line.

A third possibility gets missed regularly. A unit can be precisely what was ordered, correctly fitted, and still fail to cool the room, because the capacity was wrong for the space. That is a specification failure, answerable through what was recommended and quoted, not either warranty.

  • What went wrong
    A part inside the unit is faulty from new
    Which supply it belongs to
    The sale of the goods
    Who the household raises it with
    The seller under the statutory route, and the maker under its own warranty
  • What went wrong
    Pipework, drainage or wiring done badly
    Which supply it belongs to
    The installation work
    Who the household raises it with
    The party that carried out the fitting, under its workmanship terms
  • What went wrong
    The unit matches the quote but is too small for the room
    Which supply it belongs to
    What was specified before purchase
    Who the household raises it with
    Whoever sized it and put that recommendation in writing
  • What went wrong
    No one has yet named which cause is in play
    Which supply it belongs to
    Undecided until a diagnosis names it
    Who the household raises it with
    An independent assessment, before either claim is filed

Establishing which one you have

The evidence that separates the three is mostly pattern and history, not parts. A fault present from the first day the system ran points at the unit or the fitting. One that arrived after something changed in the home points elsewhere.

Symptoms confined to one indoor unit, while others on the system behave normally, shift attention to that unit and its pipe run. A whole system underperforming in every room points instead at the outdoor unit, the gas charge, or the capacity chosen.

Signs of a poor installation have their own guide, covering insulation, drain fall, trunking and condenser placement. Reading it serves a different purpose here. A named installation defect closes the statutory route and opens the workmanship one.

An independent diagnosis before anything is filed is the step that saves the most trouble. It names the cause in writing, and a written cause is what turns a disagreement into a claim.

What to assemble before raising it

The statutory route runs on the contract, and paperwork proves it. The invoice or sales agreement carries the most weight: it names the business that sold the unit, and that business holds the obligation. The legal name on the invoice is not always the name above the shopfront.

The delivery date is the next thing to pin down. The presumption window runs from delivery, so the day the unit arrived matters and the day it was ordered does not. Handover paperwork, the fitting contract where another party was involved, and any commissioning readings all belong in the same folder.

  • The sales invoice, naming the business that sold it and the model supplied.
  • The delivery or handover date, written down.
  • The quotation, plus anything stating capacity, coverage or promised output.
  • The fitting contract, where a different party carried out that work.
  • Commissioning readings, where any were recorded at handover.
  • A dated note of when the problem appeared and what it does, with photos or video.
  • Every exchange with the seller and the fitter, kept in writing.
  • An independent diagnosis naming the cause.

Putting it to the seller

Raise it with the seller in writing, and name the remedy being asked for. A phone complaint leaves no record of when the problem was reported, and that date matters in a claim built on the condition of the goods at delivery.

Keep the two routes separate in the wording. A message that asks the seller to honour the brand's warranty invites the seller to redirect the household to the brand, the loop the statutory route exists to break.

If it stalls, CASE handles consumer complaints and mediation, and can confirm where the law currently stands. CaseTrust accreditation and the Small Claims Tribunals are separate subjects with pages of their own.

Common questions

Does the Lemon Law cover a new aircon in Singapore?
Yes, when the unit was bought from a business for personal use. The seller owes a remedy if the goods did not conform to the contract at delivery, even if the problem showed up later.
How is the Lemon Law different from the manufacturer's warranty?
The statutory route runs against the seller and does not depend on the brand's terms. A manufacturer's warranty continues alongside it and covers its own scope.
What remedy can I ask the seller for?
Repair or replacement comes first, and the seller should deliver it within a reasonable time. A price reduction or refund opens once repair and replacement fail to resolve the problem.
What if the problem is poor installation rather than a faulty unit?
The statutory remedy attaches to the goods, so installation workmanship sits with whoever did the fitting. Establish the cause first, because a written diagnosis decides which party the claim belongs to.
What paperwork should I keep?
The invoice or sales agreement, the delivery date and any diagnosis in writing. The delivery date matters because a problem that surfaces shortly after delivery is presumed to have been there at delivery.

Sources

  1. CPFTA & Lemon Law

    Consumers Association of Singapore (CASE) · Checked

    CASE: Lemon Law remedies cover goods, not services, and exclude misuse.

  2. Consumer Protection (Fair Trading) Act 2003 — Sections 14 to 17, 35 and 41

    Singapore Statutes Online, Attorney-General's Chambers of Singapore · Checked

    CPFTA: six-month presumption, seller pays repair costs, no contracting out.

  3. Sale of Goods Act 1979 — Section 14 (Implied Terms About Quality or Fitness)

    Singapore Statutes Online, Attorney-General's Chambers of Singapore · Checked

    Sale of Goods Act lists durability, fitness, defects, appearance and safety.

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