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Common HVAC Myths Debunked: What You Really Need to Know

Common HVAC Myths Debunked: What You Really Need to Know

There are plenty of misconceptions about HVAC systems that can lead to inefficient use and increased costs. Let’s debunk some of the most common HVAC myths so you can make informed decisions and keep your home comfortable year-round.

Myth 1: Closing Vents in Unused Rooms Saves Energy
While it might seem logical to close vents in rooms you don’t use, doing so can actually strain your HVAC system. Your system is designed to heat or cool a specific square footage, and closing vents disrupts the airflow balance, potentially leading to increased energy usage and system wear.

Myth 2: Cranking Up the Thermostat Heats Your Home Faster
Many believe that turning the thermostat up higher will warm the house quicker. However, HVAC systems operate at a consistent rate, regardless of the temperature setting. Setting it higher than needed simply causes the system to run longer, not faster, leading to wasted energy.

Myth 3: You Only Need to Change Your Filter Once a Year
In reality, HVAC filters should be changed every 1-3 months, depending on usage, to maintain optimal airflow and efficiency. Dirty filters can cause your system to work harder, increase energy costs, and lower indoor air quality.

Myth 4: Maintenance Isn’t Necessary Unless Something Is Wrong
Regular maintenance is key to preventing unexpected breakdowns and ensuring your system runs efficiently. Skipping routine inspections can lead to more significant issues and costly repairs down the road.

The professional and highly skilled team at A Plus Quality is here to help you keep your HVAC system in top shape. Don’t fall for these common myths—trust the experts to ensure your system runs smoothly and efficiently all year long.

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FAQ

  • What is a heat pump?

    Heat pumps use electricity to move heat from a cool space to a warm space, making the cool space cooler and the warm space warmer. During the heating season, heat pumps move heat from the cool outdoors into your warm house and during the cooling season, heat pumps move heat from your cool house into the warm outdoors. Because they move heat rather than generate heat, heat pumps can provide equivalent space conditioning at as little as one quarter of the cost of operating conventional heating or cooling appliances.

  • What is a mini-split?

    By definition, and simply put, a “Split System” is a heating and air conditioning system which has two main components, the indoor unit and outdoor unit. In short, the indoor unit absorbs heat energy in the cooling mode, and the outdoor unit rejects the very heat absorbed by the indoor unit. And the cycle is repeated until the set temperature is met. Although the indoor and outdoor units are located in physically different, hence “split” locations, they are connected and operate as, one system; continuously circulating refrigerant liquid and vapor by means of interconnecting, dehydrated copper refrigerant lines, commonly referred to as a “Line Set”.

  • What are mini-split advantages?

    Just as the name implies, a “mini-split” system is a “split system” however available in smaller capacities, for single room to whole house conditioning. Mini-split systems may range from as small as 9,000 BTUh per hour, comparable to say, a small window AC unit, for individual room use, up to 4 and 5 ton capacities for “Room By Room” (also known as “Zoning”) and whole house conditioning. With near universal design, mini-splits are “heat pumps” which provide both heating and cooling for a home. Here are key advantages when compared to traditional split systems:

    Efficiency- Mini-splits are highly engineered systems which offer attractive operating efficiencies, in many instances, eligible for utility company rebates.
    Heat Pump- Most mini-split systems are heat pumps, providing year-round comfort.
    Solar friendly- Due to very low power requirements, mini-splits are an ideal complement to “Net Zero Energy” homes, or any home using renewable power.
    Carbon footprint- Mini-splits are 100% electric, with zero operating emissions of any type.
    Zoning- Most mini-split manufacturers offer systems capable of room-by-room “zoning”, to account for peak demands of a room based upon construction type, exposure orientation and usage.
    Variable capacity- Mini-splits are typically DC inverter driven. That is, a variable speed compressor which modulates in proportion to instantaneous demand. Most conventional split systems, by comparison, operate with an ON-OFF strategy. (Would you use an ON-OFF switch as the accelerator in your vehicle?)
    Location, Location, Location!- Mini-split outdoor units are compact; they can be located far away from noise-sensitive areas, such as bedrooms and home offices. Mini-split indoor units have the ability to be installed where conventional systems cannot.
    They’re perfect for additions and remodels where access to current HVAC system is difficult to access.
    Modern mini-split systems are remarkably quiet; in fact, many times their operation is unnoticed by the end user.

  • Why should I maintain my Furnace or AC?

    An annual maintenance will extend the lifetime of your heating and cooling unit. The technician will diagnose and repair any problem with the unit before it fails, so you won't need to worry about any problems when the weather gets very hot in the summer or extremely cold in the winter.

  • Most common Boiler Issues

    - Boiler fails to ignite
    - Low pressure
    - Strange Noises
    - Boiler is not responding to the thermostat
    - Cold Radiators
    - Boiler leaking or dripping
    - Boiler cycling very fast
    - Available Hot water but No Heat

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