MACKAY Heating & Cooling

Serving Niagara for 50+ Years!


July 7, 2024

15 HVAC Maintenance Tips fo Niagara Region Homeowners

15 HVAC Maintenance Tips for Niagara Region Homeowners

Maintaining your HVAC (Heating, Ventilation, and Air Conditioning) system is crucial, especially in a region like Niagara where the weather can be quite variable. Proper maintenance ensures that your system runs efficiently, prolongs its lifespan, and keeps your energy bills in check. Here are some top HVAC maintenance tips tailored for homeowners in the Niagara region.

1. Regularly Change Your Air Filters

One of the simplest yet most effective maintenance tasks is changing your HVAC system's air filters. Dirty or clogged filters can restrict airflow, forcing your system to work harder and less efficiently. This can lead to higher energy bills and increased wear and tear on your system.

Tip: Check your filters monthly and replace them every 1-3 months, depending on the type of filter and the amount of dust and debris in your home. Homes with pets or high dust levels may need more frequent filter changes.

2. Schedule Seasonal Tune-Ups

Seasonal tune-ups are essential for keeping your HVAC system in peak condition. Ideally, you should schedule tune-ups twice a year: once in the spring for your cooling system and once in the fall for your heating system.

Benefits of Seasonal Tune-Ups:
- Improved efficiency
- Lower energy bills
- Extended lifespan of your system
- Prevention of costly breakdowns

During a tune-up, a professional technician will inspect, clean, and adjust your system to ensure it’s operating efficiently.

3. Clean Your Outdoor Unit

The outdoor unit of your HVAC system, also known as the condenser, can become dirty or obstructed with debris such as leaves, grass, and dirt. This can reduce its efficiency and cause overheating.

Steps to Clean Your Outdoor Unit:
1. Turn off the power to the unit.
2. Remove any debris around the unit.
3. Clean the fins with a soft brush to remove dirt.
4. Wash the unit with a gentle stream of water from a hose.
5. Ensure at least two feet of clearance around the unit for proper airflow.

4. Inspect and Clean Air Ducts

Air ducts are responsible for distributing heated or cooled air throughout your home. Over time, they can accumulate dust, dirt, and allergens, which can affect indoor air quality and system efficiency.

Tip: Have your air ducts professionally inspected and cleaned every 3-5 years, or more frequently if you notice significant dust buildup, mold, or pests.

5. Seal and Insulate Your Ductwork

Leaky or poorly insulated ducts can cause significant energy loss, making your HVAC system work harder to maintain the desired temperature.

How to Seal and Insulate Ductwork:
- Use mastic sealant or metal tape to seal any visible leaks or gaps in the ducts.
- Insulate ducts in unconditioned spaces, such as attics and crawl spaces, with duct insulation to prevent heat loss or gain.

6. Check Your Thermostat Settings

Your thermostat plays a crucial role in maintaining a comfortable temperature in your home and optimizing energy use. Ensure your thermostat is functioning correctly and set to the appropriate temperature.

Tips for Thermostat Maintenance:
- Upgrade to a programmable or smart thermostat to automatically adjust temperatures based on your schedule.
- Set your thermostat to energy-saving temperatures when you’re asleep or away from home.

7. Keep Vents and Registers Clean and Unobstructed

Blocked or dirty vents and registers can restrict airflow and reduce the efficiency of your HVAC system.

- Vacuum vents and registers regularly to remove dust and debris.
- Ensure furniture, curtains, or other objects do not block the airflow from vents.

8. Monitor and Maintain Humidity Levels

Humidity levels can significantly impact the comfort of your home and the efficiency of your HVAC system. High humidity can make your home feel warmer in the summer and colder in the winter.

How to Maintain Optimal Humidity Levels:
- Use a hygrometer to monitor indoor humidity levels.
- In summer, use a dehumidifier to maintain humidity levels between 30-50%.
- In winter, use a humidifier if indoor air becomes too dry.

9. Inspect and Clean the Evaporator and Condenser Coils

The evporator and condenser coils play a critical role in the heat exchange process of your HVAC system. Dirty coils can reduce efficiency and increase energy consumption.

Cleaning Tips:
- Turn off the power to the unit.
- Remove any debris from around the coils.
- Use a soft brush to gently clean the coils.
- For stubborn dirt, use a coil cleaner recommended by your HVAC technician.

10. Check and Clear the Condensate Drain Line

The condensate drain line removes the moisture produced by your air conditioner. Over time, it can become clogged with algae, mold, or debris, leading to water damage and reduced efficiency.

Steps to Clear the Drain Line:
1. Turn off the power to the unit.
2. Locate the drain line and use a wet/dry vacuum to remove any clogs.
3. Flush the line with a mixture of vinegar and water to kill algae and mold.

11. Test Your System Before Peak Seasons

Before the start of the heating or cooling season, run your system for a short period to ensure it’s working correctly. This can help identify any potential issues before you need your system the most.

Tips for Testing:
- Turn on the system and let it run for a few cycles.
- Listen for unusual noises and check for proper airflow.
- Monitor the system’s performance and temperature output.

12. Maintain a Clear Area Around Your Indoor Unit

Ensure that the area around your indoor HVAC unit is clean and unobstructed. This allows for proper airflow and easy access for maintenance and repairs.

- Keep the area around the unit free of dust and debris.
- Avoid storing items near the unit that could obstruct airflow.

13. Inspect Insulation in Your Home

Proper insulation helps maintain indoor temperatures and reduces the workload on your HVAC system. Inspect your home’s insulation and add more if necessary, especially in the attic and walls.

Benefits of Good Insulation:
- Improved energy efficiency
- Lower energy bills
- Enhanced comfort levels

14. Educate Yourself on Your HVAC System

Understanding how your HVAC system works can help you identify issues early and perform basic maintenance tasks.

Ways to Educate Yourself:
- Read the user manual provided by the manufacturer.
- Ask your HVAC technician questions during maintenance visits.
- Research online resources and tutorials specific to your HVAC system model.

15. Know When to Call a Professional

While regular maintenance can prevent many issues, there are times when professional help is necessary. Recognize the signs that indicate you need a professional HVAC technician.

Signs You Need Professional Help:
- Unusual noises or odors from the system
- Poor airflow or uneven heating/cooling
- Frequent system cycling or failure to maintain the set temperature
- High energy bills without a clear cause


Maintaining your HVAC system is crucial for comfort, efficiency, and longevity, especially in the Niagara region with its variable climate. By following these maintenance tips, you can ensure your system runs smoothly year-round, saving you money and avoiding unexpected breakdowns. Regular maintenance not only improves performance but also enhances indoor air quality, creating a healthier living environment for you and your family.

For professional HVAC maintenance and services in the Niagara region, don't hesitate to contact our team. We can provide expert advice, comprehensive inspections, and repairs to keep your system in top shape.

Back to the other articles

Read Our Blog ›

Here for your family’s comfort since 1967

Operating 50+ Years

Our heating and cooling experts guarantee superior workmanship and services. Apart from basic fixes, we also perform careful inspections of your HVAC equipment, identify issues, and provide long-term solutions.

Emergency Service

We provide 24/7 emergency response work for your convenience.

Book your service at anytime. Online or over the phone.

A1 Customer Service

Our Customers are our #1 priority. We provide OPTIONS not Ultimatums. We will answer all your questions and provide advice & tips to keep your unit functional for years. We have the certification and training to ensure safe repairs.

Niagara's BEST choice for Heating & Cooling Services

We are MACKAY Heating & Cooling — a trusted provider of heating and cooling services in Ontario since 1967. We're your one-stop shop for all your HVAC needs.

With our help, you can protect your investment while keeping your home safe and comfortable.
eyephone-handsetselect linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram