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5 Common HVAC Mistakes Homeowners Make and How to Avoid Them

HVAC technician performing maintenance

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Have you ever wondered why your heating, ventilation, and air conditioning (HVAC) system isn’t working as efficiently as it should? Well, the chances are you might be making some common HVAC mistakes that homeowners often make. Don’t worry! We’re here to help you identify and avoid these pitfalls.

The Importance of HVAC Maintenance

What is HVAC?

HVAC stands for Heating, Ventilation, and Air Conditioning. It’s a system that helps maintain the indoor temperature and air quality of your home, providing you with comfort throughout the year.

Why is HVAC Maintenance Important?

Regular maintenance of your HVAC system is vital to ensure its longevity, efficiency, and effectiveness. It also helps prevent costly repairs and uncomfortable indoor conditions.

Common Mistake 1: Neglecting Regular Maintenance

Effects of Neglecting Regular Maintenance

How to Avoid It

To avoid this mistake, ensure that your HVAC system is checked and maintained regularly by a professional. This can include cleaning, inspecting for any issues, and conducting necessary repairs or replacements.

Common Mistake 2: Incorrect Thermostat Settings

Problems Caused by Incorrect Thermostat Settings

Incorrect thermostat settings can make your HVAC system work harder than necessary, leading to higher energy bills and unnecessary wear and tear on the system.

How to Properly Set Your Thermostat

Learn how to correctly set your thermostat for different times of the day and different seasons. In general, a programmable thermostat can help maintain a comfortable indoor environment while saving energy.

Common Mistake 3: Ignoring Air Filters

The Role of Air Filters in Your HVAC System

Air filters play a crucial role in maintaining the air quality in your home.

The Consequences of Ignoring Air Filters

Ignoring air filters can lead to a buildup of dust, pollen, and other contaminants that can affect your health and your HVAC’s efficiency. This buildup can also cause your HVAC system to work harder, leading to higher energy costs and potential damage to the system.

How to Avoid it

To avoid this, make sure to regularly clean or replace your air filters, as per the manufacturer’s guidelines. Regular maintenance will help keep your air clean and your HVAC system running smoothly.

Common Mistake 4: Closing Air Vents

Why Closing Air Vents is a Bad Idea

You might think that closing air vents in unused rooms can save energy. However, this can actually cause an imbalance in your HVAC system, leading to inefficiencies and potential damage.

How to Properly Use Air Vents

Instead of closing vents, consider investing in a zoned HVAC system that allows you to control the temperature in different areas of your home independently.

Common Mistake 5: DIY Repairs

Risks of DIY HVAC Repairs

While it can be tempting to try to fix HVAC issues on your own, DIY repairs can often lead to more harm than good. You might end up causing more damage, voiding your warranty, or even putting your safety at risk.

When to Hire a Professional

Instead, always hire a professional for any repairs or air conditioner maintenance tasks. They have the necessary skills, knowledge, and tools to handle these tasks safely and effectively.

Just like your car, your HVAC system needs regular check-ups and maintenance. Neglecting this can lead to decreased efficiency, increased energy consumption, and even system breakdowns.

Trust AirPoint to Help You Avoid Common HVAC Mistakes

At AirPoint, we understand the importance of an efficient HVAC system. As a Carrier factory authorized dealer and NATE certified in Toronto, we possess the highest title of dealership with Carrier. We’re proud to be awarded HomeStars Best of the Best 2023 and have been rated 5 stars on Google and HomeStars. Our technicians are fully certified by TSSA, HRAI, and CSA. Trust us to help you avoid these common HVAC mistakes and ensure your system’s efficiency, longevity, and cost-effectiveness.

To learn more about common HVAC mistakes homeowners make, check out this video by HVAC Guide for Homeowners

Common HVAC Buying Mistakes Homeowners Make

Some air filters are reusable and can be cleaned, but many are disposable and should be replaced. Always check the manufacturer's instructions.

This depends on your personal comfort and the season, but a common recommendation is 68°F in winter and 78°F in summer.


Yes, it can cause an imbalance in your HVAC system and lead to inefficiencies and potential damage.

If your HVAC system isn't working properly, it's always best to contact a professional. They can diagnose and fix the issue safely and effectively.

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