5 Common HVAC Myths and How They Cost People Money

Home HVAC systems are crucial for maintaining indoor comfort, but understanding how to optimize their use is filled with myths and misconceptions. Many homeowners unknowingly follow age-old advice that doesn't actually hold up once you take a closer look at things. Let's uncover five common HVAC myths and explain how believing them could be costing you money. Our insights are backed by Bill Taylor, HVAC Contractor Manager at South Jersey Industries, so you know you're getting expert advice.

Related: HVAC Expert Shares Important Trick for Keeping Energy Bills Down and AC Blowing Cold

Myth 1 You Don’t Need Regular HVAC Maintenance

Skipping annual HVAC maintenance might seem like a good way to save time and money, but it’s a costly mistake. According to Taylor, most people neglect this task, unaware that manufacturers recommend yearly maintenance. Dust, dirt, and grit can build up in the system, causing it to work harder and less efficiently. High-efficiency equipment won't perform at its best if it's not maintained, leading to higher energy bills and reduced system longevity. Regular maintenance is essential for maintaining efficiency and avoiding costly repairs.

Myth 2 The Bigger Your HVAC System The Better

Bigger isn't always better, especially when it comes to HVAC systems. While there are situations where a larger system might be necessary, it's not the norm. A system that's too big for your home will consume more energy than needed, inflating your energy bills unnecessarily. Taylor suggests having a professional technician conduct an in-home audit to recommend the right-sized system for your specific needs. An oversized system can cycle on and off frequently, causing wear and tear and shortening its lifespan.

Myth 3 Closing Vents Saves Money

Many people think that closing vents in unused rooms will save energy and money. However, this practice can actually backfire. Bill Taylor explains that closing vents causes air to become trapped inside the ducts, increasing system pressure and leading to possible leakage. This increased pressure can also cause the system to overheat, resulting in mechanical issues down the line. Keeping your vents open ensures that your HVAC system operates efficiently, maintaining consistent airflow and reducing the risk of damage.

Myth 4 Leaving the Thermostat at a Constant Temperature is Efficient

Some believe that leaving the thermostat at a constant temperature will save energy, but this isn’t necessarily true. Contrary to popular belief, allowing your HVAC system to rest when you're not home or during cooler nights can be more efficient. Programmable thermostats are a great solution, allowing you to set different temperatures for different times of the day. This way, you’re not paying to heat or cool an empty house, and your system works less, extending its lifespan.

Myth 5 Duct Tape is Great for Sealing Ducts

Despite its name, duct tape is not ideal for sealing HVAC ducts. Over time, the adhesive degrades and can cause air leaks, reducing the system's efficiency. Instead, HVAC professionals recommend using foil tape or mastic sealant, which provide a longer-lasting seal. Properly sealed ducts ensure that air flows efficiently through your system, reducing energy waste and lowering your utility bills.

The Financial Impact of HVAC Myths

Believing these myths doesn’t just affect system performance—it hits you right in the wallet. Inefficient HVAC systems lead to higher energy consumption, increased utility bills, and potentially expensive repairs. Regular maintenance, professional audits, and proper usage practices can save you significant amounts in the long run.

Don’t fall for these common HVAC myths that can cost you money and comfort. Regular maintenance, correctly sized systems, and proper usage are key to maximizing your HVAC system's efficiency, while understanding and implementing these practices can lead to a more comfortable home and, in the end, a healthier bank account.

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