6 HVAC Scams Homeowners Need to Avoid in 2026

The HVAC industry is changing.

Over the last decade, more and more large corporations and private equity firms have entered the home service space. Many of these companies are focused on growth, sales metrics, and revenue targets. Unfortunately, that shift has created an environment where some homeowners are being sold things they don’t actually need.

At Leaky’s Plumbing, Heating & AC, we believe homeowners deserve honest information. Not every HVAC company operates this way, and there are still plenty of honest technicians in the industry. However, there are also practices homeowners should be aware of before making major decisions about their heating and cooling systems.

Here are six HVAC scams and sales tactics homeowners should watch out for in 2026.

1. The “Bone Dry Refrigerant” Scam

A homeowner calls because their air conditioner isn’t cooling properly. A technician arrives, takes a quick look, and announces that the system is “completely out of refrigerant.”

The recommended solution? A refrigerant recharge costing hundreds or even thousands of dollars.

The problem is that most homeowners have no way to verify whether that diagnosis is true.

In one recent second-opinion call, a homeowner had been told her system was completely out of refrigerant and needed an expensive recharge, over $1,500. When our technician arrived and connected proper gauges, the refrigerant charge was exactly where it should have been. There was nothing wrong with it.

Always ask for readings and documentation when refrigerant is being discussed. An honest technician should be able to explain exactly what they found and why. In the event you are needing more refrigerant. The technician should be charging you by weight, measuring the difference in the refrigerant container before and after they filled your unit.

2. The “Your System Is Unsafe” Pressure Sale

Nothing creates urgency faster than fear. Some companies use words like:

• Dangerous
• Unsafe
• Emergency
• Immediate failure

to pressure homeowners into making large purchases on the spot.

Now, there are legitimate safety concerns that occasionally arise. Cracked heat exchangers, gas leaks, and electrical issues should always be taken seriously. The problem is when safety becomes a sales tool.

If someone tells you that you must spend thousands of dollars immediately or face catastrophe, it’s worth slowing down and seeking a second opinion. Honest technicians educate. Salespeople create panic.

3. The “Repair Isn’t Possible” Replacement Pitch

One of the biggest shifts in the HVAC industry is the move away from repair and toward replacement. Many homeowners are surprised to learn that technicians are sometimes incentivized to sell new equipment rather than repair existing systems. This creates situations where homeowners are told:

• Parts are unavailable
• Repairs aren’t worth doing
• The system is too old
• Replacement is the only option

Sometimes replacement is absolutely the right choice. But not always. We have seen systems recommended for replacement that only needed a capacitor, contactor, blower motor, or another relatively minor repair. Before approving a system replacement, ask:
“What repair options are available?” If none are offered, consider getting another opinion.

4. “R-22 Is Illegal” (It’s Not)

This is one of the newest misconceptions making its way through the HVAC industry. Homeowners with older air conditioners are sometimes told, “Your system uses R-22 refrigerant, and that’s illegal now. We can’t work on it anymore.” That isn’t true.

Here’s what actually happened:

As of January 1, 2020, the United States stopped producing and importing new (virgin) R-22 refrigerant as part of an environmental phase-out. However, it is still completely legal to own, service, and recharge an air conditioner that uses R-22 refrigerant. The difference is that technicians now use existing inventories of virgin R-22 or reclaimed refrigerant, both of which remain available. 

What is true is that R-22 has become significantly more expensive because there is a limited supply. Depending on market conditions, R-22 can cost anywhere from $40 to over $175 more per pound than newer refrigerants, making large refrigerant repairs costly. If someone tells you your only option is replacing your system because “R-22 is illegal,” ask questions. As an alternative, you can consider retrofitting your existing system to use a different type of refrigerant, such as R410A.

Sometimes replacement truly is the better financial decision. But it should be based on the condition of your system, repair costs, and long-term value and not misinformation.

5. The Bait-and-Switch Service Call

We’ve all seen the advertisements.

• “$29 Tune-Up.”
• “$39 AC Check.”
• “Free Inspection.”

Sometimes these promotions are completely legitimate. Other times, they’re simply designed to get someone through your front door. Once inside, the conversation quickly changes.

A simple maintenance visit suddenly turns into a lengthy list of expensive requirements. Minor concerns become urgent failures. 

The original promotion wasn’t the product, it was the opportunity to sell you something much larger. This doesn’t mean every discounted offer is a scam. Many reputable companies, including local businesses, run seasonal promotions to introduce homeowners to their services. The key is paying attention to what happens after the technician arrives.

A trustworthy technician explains what they found, shows evidence when possible, and gives you options without pressure. A salesperson creates urgency before you’ve had time to understand the problem.

If an offer sounds too good to be true, or if the conversation immediately shifts from a simple service to a major replacement, don’t be afraid to slow down, ask questions, and seek a second opinion. Remember you can always say no.

An honest company will never be offended by an informed homeowner.

How to Protect Yourself

The good news is that avoiding these situations is easier than most homeowners think. When facing a major HVAC repair or replacement:

• Ask questions
• Request documentation
• Slow down
• Get a second opinion
• Understand your financing
• Don’t make decisions out of fear

Most importantly, work with companies that focus on education rather than pressure. Your HVAC system is one of the largest investments in your home. Often times it’s the third most expensive item you buy. The company you choose should be helping you make informed decisions, not pushing you toward the most expensive option. At Leaky’s Plumbing, Heating & AC, we believe honest service starts with honest information. That’s why we’ll continue educating homeowners and shining a light on the practices that hurt trust in our industry.

Because when it comes to your home, you deserve a technician, not a salesperson in disguise.