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When it comes to maintaining the comfort and safety of your home or business, your HVAC (heating, ventilation, and air conditioning) system is crucial. However, choosing the right HVAC contractor can be daunting, as many inexperienced or unscrupulous individuals pose as professionals in the industry. 

It is essential to be aware of the red flags that may indicate a contractor is not the best choice to avoid falling victim to these individuals. This article will discuss the top red flags to watch for when hiring an HVAC contractor. 

1. Not Insured

Even HVAC contractors with licenses might need more insurance to fix your house. If so, the homeowner might be liable for the HVAC company’s expensive mistakes. You are responsible for his medical bills and any associated legal costs if your HVAC contractor suffers an injury while working on your property and is not insured.

Additionally, if you use an uninsured HVAC company, you’ll be liable for any damage to your house resulting from the installation, upgrade, or inspection. The same holds for any damage your HVAC work causes to your neighbours’ residences. 

You cannot call an uninsured HVAC business after an installation and demand that they correct the problems, even if they should, so you will need to engage a different supplier for repairs.

2. Bad Reviews

If a company values its employees and consumers, it will respond to negative reviews in one of two ways. If a valid complaint is received, the business will extend an apology and redo the work as payment to the homeowner. 

For example, suppose a homeowner notices little difference after a component upgrade. In that case, the company can direct the homeowner to see the difference in monthly energy bills or water heater. In the case of a difficult-to-please homeowner, the company will apologize and explain what the homeowner can do.

A subpar HVAC company will only completely disregard unfavourable reviews if they are responded to. For these businesses, HVAC is not a service but a numbers game. Instead of long-term clientele, they prefer quick cash from one-time customers.

3. Poor Communication

Tradespeople might be among the only people in our hyper-digital society who are only sometimes connected to the internet. You don’t want emails to distract you when installing a complex heater. 

Good HVAC contractors will have a team member in charge of communication and scheduling, ensuring that someone is always available to send a professional to your house. However, it may be a red flag to look at alternative options if a company has long response times without justification or gives vague explanations of bids, prices, or services.

4. Bids Are Low-Quoted

Compare prices are you doing? Competitive bids are one thing, but dramatically off-the-wall cost forecasts are a dead giveaway. 

Remember that everything that appears too fantastic to be true certainly is. A business may only be able to make a meagre offer if it has very little overhead, for as, by forgoing investments in high-quality machinery, committed personnel, or knowledgeable HVAC specialists.


For many homeowners, HVAC maintenance and installation can be a significant investment. It is essential to research before hiring a contractor and ensure the job will be done correctly and safely. Doing your due diligence when selecting an HVAC contractor can help ensure you get quality and avoid costly repairs down the road.

If you need an HVAC maintenance service in Oshawa with a reliable company, Fortis Heating & Air Conditioning is here for you! Our technicians are highly experienced and trained in HVAC services and can ensure that your home’s system runs as efficiently as possible. Get in touch with us now!

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