Central Air: Find Air Conditioners & Air Conditioning Systems

A white thermostat on a wall displays a cool temperature and fan icon

Discover the comfort and convenience of central air conditioning systems. This guide will walk you through understanding how central air works, the types of units available, and how to choose an energy-efficient system to keep your home cool and comfortable. Whether you’re considering a new air conditioner or upgrading your existing HVAC system, this information will help you make informed decisions for your heating and cooling needs. If you are in need of AC repair Riverview, we can assist!

Understanding Central Air Conditioning Systems

Ductwork runs through an open attic with insulation around the metal vents.

What is a Central Air Conditioner?

A central air conditioner is designed to circulate cool air through a network of ducts, known as supply and return ducts. These supply ducts and registers distribute the cool air from the air conditioner to different areas of your home. As the cool air circulates, it naturally warms up, and then the warmer air is drawn back to the central air conditioner through the return ducts and registers. The central air conditioner’s blower fan, often called the air handler, plays a crucial role in this continuous cycle of cooling.

How Central Air Conditioning Works

Air conditioners work to not only cool the air but also dehumidify it. In climates with high humidity or during moderate outdoor temperatures, even properly sized air conditioners may struggle to maintain comfortable humidity levels. Homeowners might lower the thermostat or use a dehumidifier, both of which increase energy use. For optimal energy efficiency, setting the central air system’s fan to “auto” mode and using circulating fans in individual rooms can improve air circulation. An air conditioner transfers heat from inside to outside to provide comprehensive cooling.

Benefits of a Central Air System

Central AC units are generally more efficient than individual room air conditioners, offering better energy efficiency and energy savings. They are also typically out of sight, operate quietly, and are convenient to use. Choosing a central air conditioning system means opting for a whole-house solution that’s both effective and unobtrusive, enhancing the overall comfort and value of your home. Regular maintenance will increase the lifespan of your central AC.

Types of Air Conditioning Units

A window-mounted AC unit installed in a window with its power cord connected

Split Systems vs. Central Air Conditioning

A true central air conditioning system relies on ducts to evenly distribute cool air throughout a house. In a split system, a common design, refrigerant circulates between an indoor unit and a matching outdoor unit with a compressor. The refrigerant cools the air and dehumidifies it, while a blower circulates air through the ducts. A thermostat maintains the temperature. Split ductless systems feature an outdoor compressor and one to four indoor air handler units mounted on walls, distributing air and allowing temperature control with a remote. These units offer quieter and more energy-efficient cooling. They are a more affordable alternative to a true central air conditioning system.

Energy Efficient AC Units

When buying a new central air unit, you’ll find today’s models are more energy-efficient, lowering operational costs while maintaining comfort. Systems meeting Energy Star guidelines have a SEER rating of at least 15, with some models reaching SEER ratings of 26 or higher. Energy Star certified units are about 15% more efficient than standard models, maximizing energy savings. Variable capacity air conditioning systems operate frequently at efficient low speeds, reducing noise and improving dehumidification, especially in spring and fall. The seasonal energy efficiency ratio will show what type of energy efficiency you can expect.

Choosing a Carrier Central Air System

Carrier air conditioners are known for their reliability and efficiency ratings, offering a range of options to suit different needs and budgets. When selecting a Carrier central air system, consider factors such as the size of your home, your desired comfort level, and your energy efficiency goals. Look for models that meet Energy Star standards and have high SEER ratings to maximize energy savings and potentially qualify for tax credits or rebates from the Department of Energy. With a Carrier central air, you can enjoy the benefits of efficient and consistent cooling in your home, ensuring a comfortable indoor environment year-round.

Buying a New Central Air Conditioning System

An installer carries a packaged central air unit toward a driveway.

Factors to Consider When Buying

When considering buying a new central air conditioning system, it’s worth negotiating a service plan that combines regular inspections with discounts on repairs and a labor warranty into the overall price, though prices for such a service can vary widely. The air conditioner’s size, an indicator of its cooling capacity, is measured in British thermal units per hour or in “tons.” One ton of cooling equals 12,000 Btu/hr. Picking the right AC capacity for the size of your home is important, so an oversized unit will cycle on and off more often, stressing components and struggling to control humidity, while an undersized unit won’t keep your home comfortable. Efficiency, often shown in energy efficiency ratings, and quiet operation are also crucial for satisfaction.

Understanding SEER Ratings

When comparing air conditioning systems, efficiency is expressed as the seasonal energy efficiency ratio, or SEER rating. The higher the SEER, the greater the energy efficiency. Higher-SEER AC units tend to cost more, but they often pay for themselves over time through lower energy costs and can contribute to energy savings. The minimum SEER allowed for a new split system central air conditioner in the U.S. today is 14, which is at least 20 percent more efficient than minimum-efficiency models made even 10 years ago. Newer air conditioners can have SEER ratings as high as 26. This helps keep your home cool without excessive energy use.

Tax Credits for Energy Efficient Systems

To encourage the adoption of energy-efficient air conditioning systems, tax credits are available for new AC units. These tax credits are effective for products purchased and installed between January 1, 2023, and December 31, 2025. Effective January 1, 2025, split system central air conditioners must meet SEER2 ≥ 17.0 and EER2 ≥12.0 to be eligible. Packaged central air conditioners must meet SEER2 ≥16.0 and EER2 ≥11.5 to be eligible. The overall total limit for an energy efficiency tax credit in one year is $3,200, with a maximum of $600 credited for central air conditioning systems. Consult the Department of Energy for the latest updates on heating and cooling tax credits.

Regular Maintenance for Air Conditioners

A person pours a small amount of water into the air conditioner condensate drain.

Importance of Regular Maintenance

Regular maintenance is essential for central AC systems to ensure optimal performance and energy efficiency. Neglecting maintenance can lead to decreased cooling capacity, increased energy consumption, and potential breakdowns, thus impacting overall energy savings. By keeping up with regular maintenance, you can ensure your air conditioner operates efficiently, effectively, and reliably, thus extending its lifespan and keeping your home comfortable. Proper maintenance is key to avoiding costly repairs and replacements, making it a worthwhile investment.

Common Maintenance Tips

Here are some maintenance tasks for your central air conditioner. A professional should handle the following once a year:

  • Clean and flush the coils
  • Drain the pan and drainage system
  • Vacuum the blower compartments

The contractor should also check to make sure that the system is properly charged with refrigerant, that there are no leaks, and that all mechanical components are working properly. You can also handle some of the maintenance on your own by cleaning grilles and filters monthly, clearing debris and dirt from condenser coils, and checking for blockages in the drainpipe. Following the manufacturer’s recommendations will keep your home comfortable.

Signs Your AC Needs Repair

Heating and Air Conditioning Integration

A cutaway of a house showing ducts running from a central unit to rooms

How a Furnace Works with Central Air

Integrating a furnace with central air creates a comprehensive heating and cooling system. The furnace provides heat during colder months, while the central air conditioner delivers cool air during warmer months. Typically, both systems share the same ductwork and air handler, optimizing space and efficiency. When considering a new air conditioner, ensure it’s compatible with your existing furnace for seamless operation. This combination provides year-round comfort and improved energy savings.

Considering a Heat Pump

You can also consider an air-source heat pump in place of an AC-only system. Heat pumps can provide both heating and cooling. In cooling mode, they work exactly like air conditioners. They’ve been common in warm parts of the U.S. for decades, but now there are plenty of air-source heat pumps that can provide most or all of a home’s heating needs, even in cold climates. You can also use a heat pump in combination with an existing or supplementary heating system. An installer can set it up so that the heat pump operates most of the time, but then when the outdoor temperature drops below a certain threshold and the heat pump becomes less practical, another system—such as a gas-fired furnace—will kick in. Heat pumps are available in ducted or ductless versions. Because heat pumps are so energy-efficient, some state governments offer tax incentives or even direct cash rebates to homeowners who install air-source heat pumps, which sometimes make them the lowest-cost option for home heating and cooling. If you already have a furnace but no air conditioner, consider installing a heat pump instead of a split-system air conditioner. Heat pumps provide both heating and cooling and can be more efficient, especially in moderate climates. A heat pump offers energy efficiency.

Benefits of Integrated Heating and Cooling Systems

Integrated heating and cooling systems offer numerous benefits, including consistent comfort and improved energy efficiency. By combining a furnace or heat pump with a central air conditioner, homeowners can enjoy year-round temperature control, while optimizing energy savings. Systems with high efficiency ratings and Energy Star certification can help reduce energy costs. Combining a new air conditioner with other systems is an effective way to keep your home comfortable while reducing energy consumption. A central AC unit helps save money.

Local AC Repair Services

A worker wearing gloves holds a wrench near an outdoor condenser.

Finding Reliable AC Repair in Riverview

Finding a trustworthy contractor to install and service your air conditioning system is crucial, whether you’re replacing an old unit or installing one for the first time. When evaluating potential contractors, ensure they can provide the following:

  • Verification of bonding and insurance.
  • Any required contractor’s licenses.

Also, checking with your local Better Business Bureau and consumer affairs office for complaint records is a wise step. It’s a plus if technicians are certified by a trade organization, such as North American Technician Excellence or HVAC Excellence, to service residential heating and cooling equipment. Contractors who bid on your job should calculate the required cooling capacity using a recognized method, such as one found in the ACCA’s Residential Load Calculation Manual, also called Manual J. For AC repair Riverview, seek a licensed HVAC system technician.

When to Call for AC Repair

Knowing when to call for AC repair can save you money and prevent further damage to your central AC system. Some common signs include inconsistent cooling, unusual noises, or a sudden spike in your energy bills. If you notice any of these issues, it’s best to contact a professional HVAC technician to diagnose and repair the problem. Delaying repairs can lead to more serious issues. Regular maintenance and prompt attention to problems ensures the efficiency ratings are as expected for your new air conditioner.

Importance of Professional Maintenance

Professional maintenance is vital for the longevity and efficiency of your central air conditioner. Regular servicing by a qualified technician can identify and address potential issues before they escalate into costly repairs. Maintenance should include cleaning coils, checking refrigerant levels, and inspecting electrical components. This proactive approach not only extends the lifespan of your air conditioner, but also ensures it operates at peak efficiency, helping you save on energy costs and keep your home cool.