There are several measures or practices in which homeowners can save on heating and cooling costs. Some are definitely effective, like keeping furnaces or air conditioners well-maintained or cleaning or replacing air filters. Others, however, have become a subject of debate among households and experts alike for years. One of them is closing off air vents. In theory, it’s an enticing concept — restricting the flow of conditioned air, especially in unoccupied rooms, could lead to reduced energy consumption, which then translates into energy savings.
But is this practice truly effective? Read on as Acker Heating & Cooling, the top residential and commercial HVAC contractor in the area, delves into this supposedly money-saving tactic to determine whether it can truly cut down on your HVAC costs.
The idea behind this practice is relatively simple and straightforward. By shutting the vents in rooms that are either unoccupied or rarely used, you limit the volume of space your HVAC system needs to condition. Theoretically, this suggests that in doing so, you lower the heating or cooling unit’s workload. This, in turn, leads to energy savings. Many energy-conscious homeowners and some HVAC professionals have been recommending this practice, arguing that it can help boost the energy efficiency of homes.
Closing off air vents, however, can have serious implications on your home’s comfort and energy efficiency. Here’s a look at some of them:
Recent research studies have also shed light on the effectiveness of closed off air vents. A study conducted by the California Energy Commission, for instance, found that closing more than half of the vents in a home can lead to decreased energy efficiency. This stems from the fact that the pressure inside the ducts tends to increase when doing so, causing the HVAC system to compensate for the disruption of airflow.
The study also noted that closing vents in a room causes the warm or cool air from the HVAC system to be forced into other rooms. Even in this situation, the heater or air conditioner still consumes energy as it operates, increasing energy costs.
How effective closing air vents is may also depend on the time of year. During the summer months, for instance, doing so causes the AC to work harder, as it struggles to maintain consistent temperatures throughout the house. This practice, however, may have a more favorable impact on a home’s energy efficiency during the winter months. In some cases, households may have to employ alternative strategies such as turning fans on or using space heaters in specific rooms to help manage airflow and temperature without causing undue stress on the HVAC equipment.
Consider the potential energy savings associated with this practice versus the potential costs and downsides.
So, should you close off air vents? Given what’s been discussed above, this practice should be avoided as a primary strategy for energy savings. HVAC professionals recommend focusing on more effective and sustainable ways to minimize energy consumption while using heating or air conditioning systems. These include:
As a licensed and insured HVAC company in and around Colbert, GA, Acker Heating & Cooling is committed to providing the best in heating and air conditioning services. We offer heating and cooling repair and installation services, as well as provide air duct sealing and indoor air quality solutions. To learn more, schedule a consultation with our team today by calling (706) 425-8774 or filling out our contact form.
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