Used Air Conditioners: Smart Deal or Costly Trap in Longueuil?

Buying a Used Wall-Mounted AC in Longueuil: Real Savings or Hidden Risk?

At first glance, investing in a used wall-mounted air conditioner in Longueuil may seem like a smart way to save a few hundred dollars. But at AirGreen, thanks to our in-depth experience in HVAC installation, maintenance, and repair, we know appearances can be deceiving. We frequently intervene in homes and businesses across Longueuil, Montreal, Laval, the North Shore, and the South Shore to repair or replace second-hand units that ultimately cost their owners much more than expected.

In this article, we’ll explore the apparent benefits and real risks associated with used air conditioners, drawing from actual cases our team has handled on the ground. You’ll see why the initial savings can quickly turn into higher overall costs, both financially and in terms of home comfort.

The Appeal of Used ACs: Instant Savings… but at What Cost?

Buying a used wall-mounted air conditioner can save you between $300 and $800 depending on the model and brand. It’s exactly this promise of quick savings that attracts many homeowners and building managers in Longueuil.

But this decision is often made without considering:

• The actual age of the unit (usually older than what the seller claims).

• The cleanliness of the indoor and outdoor coils.

• The lack of warranty (especially on critical parts like the compressor).

• Unplanned costs for labor and replacement parts in case of breakdowns.

• Incompatibility with new environmental regulations (like continued use of banned R-22 refrigerant).

Real Case: A Longueuil Installation That Turned into a Nightmare

A few months ago, we were called to a duplex in Longueuil where the owner had purchased a used 12,000 BTU Gree wall-mounted air conditioner. The seller assured him the unit was “only 3 years old.” Once on-site, our team quickly identified several issues:

• The outdoor unit was rusted — a sign of long-term exposure to weather without protection.

• The system had a major refrigerant leak.

• The compressor made abnormal noises, indicating serious wear and tear.

• The previous electrical setup was non-compliant and potentially hazardous.

The result? After two diagnostic visits, the client had no choice but to invest in a new Fujitsu R-32 unit, which we installed professionally and made eligible for the Hydro-Québec LogisVert grant. His initial $400 “savings” turned into a net loss of nearly $900.

No Warranty, No Grants: Two Major Red Flags

Unlike a brand-new unit installed by a certified contractor like AirGreen:

• A used air conditioner never comes with a manufacturer warranty.

• You won’t qualify for major provincial grants, like the LogisVert program (which can go up to $2,500 depending on BTU capacity).

• You’ll have no legal protection if the unit fails after purchase.

In many cases, even insurance companies may refuse to cover electrical damage caused by an outdated and improperly installed HVAC unit.

Strict Environmental Standards That Change the Equation

Since 2020, Canada and Quebec have tightened regulations on refrigerants. Many used models on the market still use banned gases like R-22, which are harmful to the environment and difficult or impossible to recharge.

At AirGreen, all of our new installations — whether it's a Gree wall-mounted air conditioner, a Fujitsu KZAH R-32 wall-mounted heat pump, or a Bosch BIVA R-454B central system — use eco-friendly refrigerants that meet current standards, ensuring long-lasting, quiet, and energy-efficient operation.

The Hidden Costs of Used ACs

Here’s an estimate of the often-overlooked expenses when purchasing a used wall-mounted air conditioner:

Potential total: over $2,000, which is the price of a brand-new unit — installation included, with warranty and available grants.

What Does AirGreen Recommend for Longueuil Residents?

Our recommendation is clear: invest in a new unit installed by certified professionals. At AirGreen, we serve Longueuil and its neighborhoods — Saint-Hubert, Vieux-Longueuil, Greenfield Park — every day, and we guarantee:

• New wall-mounted ACs from trusted brands (Gree, Fujitsu, Tosot, Sharp, etc.).

• Professional installation, compliant with Quebec building codes.

• Access to provincial grants, like LogisVert.

• Warranties of up to 12 years on parts and compressors.

• Personalized after-sales service, with no surprises.

Questions to Ask Before Buying a Used Wall-Mounted AC

Before considering a second-hand purchase, ask yourself these key questions:

• Is the unit still under warranty?

• Who installed it originally?

• Is the model compliant with 2025 regulations?

• Is there a documented maintenance history?

• Is it eligible for a grant?

• What’s the real cost of replacing it in case of a breakdown?

In most cases, the answers to these questions will naturally guide you toward a new, safer, and longer-lasting solution.

In Conclusion: An Informed Choice Is Better Than a False Bargain

Buying a used wall-mounted air conditioner in Longueuil might sound appealing. But the financial, technical, and regulatory risks involved make it a rarely worthwhile option. At AirGreen, we focus on quality, safety, and transparency, so your HVAC investment truly pays off in the long run.

Trust our HVAC expertise for reliable, energy-efficient comfort with no surprises.