3 Common Causes of Unnecessary Strain on Your HVAC System - Frederick Air, Inc.

3 Common Causes of Unnecessary Strain on Your HVAC System

Your HVAC (Heating, Ventilation, and Air Conditioning) system is an integral part of your home. It helps maintain the temperature and air quality of your home all year round—but only if it’s running properly. Unfortunately, there are a few common causes of unnecessary strain on your HVAC system that can lead to decreased efficiency, higher utility bills, and even complete breakdowns. Let’s take a look at what these causes are so you can avoid them in the future.

Common Causes of Unnecessary Strain on Your HVAC System

Clogged Air Filters

The most common cause of unnecessary strain on your HVAC system is a clogged air filter. The air filter’s job is to prevent dust and debris from entering the blower fan, which can reduce its overall efficiency. If you don’t replace your air filter regularly (at least once every three months for an average 1” filter), it will quickly get clogged and start to put extra strain on the rest of the system. This can not only reduce its effectiveness but also increase energy consumption by up to 15%.

Poorly Insulated Ductwork

Ductwork is used to transport heated or cooled air throughout your home’s ventilation system. If this ductwork isn’t insulated or sealed properly, then it will allow heat or cold air to escape into other parts of your house. This means that your HVAC system has to work harder in order to maintain a comfortable temperature in each room—putting unnecessary strain on the entire system as a result. To make sure this doesn’t happen, check the insulation levels and connection tightness around all exposed ductwork every year or two—and repair if necessary!

Blocked Vents & Registers

Your vents and registers are responsible for distributing conditioned air throughout your home efficiently and evenly. However, if these vents become blocked due to furniture placement or other obstructions, they won’t be able to do their job as effectively—causing extra strain on the HVAC system as it tries to make up for their reduced airflow capacity. Make sure that all vents and registers are kept clear at all times in order to avoid this issue!


These are just three of the most common causes of unnecessary strain on your HVAC system that you should watch out for! By replacing filters regularly, making sure ductwork is properly sealed and insulated, and keeping vents/registers clear of obstructions, you can ensure that your heating and cooling systems run smoothly – reducing energy costs while keeping your home comfortable all year round! Homeowners who want peace of mind should consider having their HVAC systems inspected annually by professionals who have experience with these types of maintenance tasks – ultimately saving time and money in the long run!


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