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Fitch Services

Fitch Services
Charlottesville Family Favorite Award Winner 2020 Nextdoor Neighbor Favorite - 2019 Winner - Fitch Services, Charlottesville VA Best of HomeAdvisor - 2018 Winner

Charlottesville HVAC, Plumbing & Electrical Services

Call us today! (434) 296-9980

Variable-Speed Air Handler Advantages

July 15, 2021 by Angela

Variable-Speed Air Handler Advantages

What are the advantages of a variable-speed air handler?

Variable-speed air handlers make your home healthier and more comfortable. They also emit less carbon dioxide.

Variable-speed Air Handler Benefits

  • decrease energy consumption
  • minimize room-to-room temperature inconsistencies.
  • lower humidity
  • improve indoor air quality
  • reduce noise

They also reduce carbon emissions so they’re better for our environment!

What Does the Air Handler Do?

Within your Heating, Ventilation, and Air Conditioning (HVAC) system, the air handler circulates conditioned air throughout your home, using a fan controlled by a motor.

How Does a Single-Speed Air Handler Work?

If you’re cooling your home with a traditional single-speed air handler within your HVAC unit, we’re guessing you have an “off and on” relationship. As the temperature in your home climbs, your air conditioner (or heater) turns on at full speed. Once your thermostat registers the desired temperature, your system turns off abruptly. Your AC unit repeats this cycle all day, contributing to excess noise, high energy use, and inconsistent temperatures from room to room. The alternative? A variable-speed air handler.

How Does a Variable-Speed Air Handler Work?

What “varies” in variable-speed air handlers is the speed of the motor that is controlling the fan. A variable-speed air handler motor runs the fan from 30% to 100% capacity, adjusting to maintain the target temperature.

A variable-speed handler may sometimes operate the fan at maximum capacity to cool your home but usually can maintain the desired temperature using a lower and more energy-efficient fan speed. The handler reduces fan speed each time your unit reaches the temperature target. On milder days and as the sun sets, your air handler’s motor may operate only at low speeds, adjusting incrementally.

Reasons Why a Variable-Speed Air Handler Is Best

Lower Electric Bills

It may seem counterintuitive that an air conditioner, running steadily, uses less energy than one that turns on and off — but it’s the initial burst of electricity needed to turn on the unit that requires the most energy in the entire cooling process. The U.S. Department of Energy reports that a variable-speed motor running continuously at half-speed uses 25 percent of the power to move the same amount of air as a single-speed air handler.

Room to Room Consistency

Your thermostat registers the temperature near your thermostat and not throughout your home. By the time the thermostat signals that it is time to turn on or off your heating and cooling system, some rooms may be several degrees above or below your target temperature. Variable-speed air handlers minimize room-to-room temperature variations by delivering conditioned air more steadily. The gentler, more consistent airflow also helps you avoid those sudden blasts of cold air in the summertime that send you looking for a sweater.

Lower Humidity

Variable-speed air handlers circulate air more frequently, lowering indoor humidity. A humidity level of 30% to 50% in your home reduces bacteria, viruses, dust, and mold. Controlling indoor humidity is especially important in areas where hot temperatures are often accompanied by rain.

Reducing Humidity Further Lowers Energy Usage

A less humid home feels cooler, letting you set your thermostat higher while still feeling comfortable. Nudging your thermostat higher in the summer will add to your energy savings.

Improved Air Quality

We can’t overemphasize the importance of air filters, which remove pollen and dust from your home. With a variable-speed motor, the fan will increase circulation, causing more air to pass through your air filter each day. The air will also pass more frequently through your whole-home dehumidifier if you have one.

Quieter than Traditional Systems

Your air handler is loudest when it powers on and off. However, because a variable-speed air handler is running consistently, you avoid those frequent starts and stops. Plus, because they run at slower speeds, they’re quieter during operation as well.

Less Pollution

Air conditioners use about 6% of all the electricity produced in the United States. That leads to roughly 117 million metric tons of carbon dioxide being released into the air each year. So, upgrading your heating and cooling system to one with a variable-speed air handler is one way to think globally and act locally.

Contact Us with Your Heating and Cooling Questions

Charlottesville area residents can call us at 434-296-9980 or use our Contact Form to schedule an appointment with one of Fitch Services’ licensed, bonded, and insured technicians. We can answer all of your questions about upgrading to a variable-speed air handler.

Photo by iStock/Samiylenko

Posted in: air conditioner, HVAC, saving energy

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Phone: (434) 296-9980

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Contact Us Today!

Chris Fitch, President
chris@fitchservices.com

Fitch Services
1325 East High Street
Charlottesville, VA 22902
Fax: (434) 293-8929
Phone: (434) 296-9980

Licensed, Class A Mechanical Contractor

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