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FAQ

WHEN IS IT A GOOD IDEA TO BUY A NEW HVAC SYSTEM?

We understand that buying a new air conditioning and heating system is a major purchase that must be carefully considered. But it makes sense to purchase a new system when you existing one is old, needs significant repairs or is performing inefficiently. A general rule of thumb is that any system over 10 years old needs to be replaced because of increasing efficiency in the industry. Today’s systems are as much as 60 percent more efficient that those made a decade ago and have other long-term benefits. In addition to utility savings from upgrading, you save on repairs for years to come. Repair bills for older systems are significantly higher than for new ones.

HOW CAN I SELECT THE RIGHT HEATING AND AIR CONDITIONING SYSTEM?

It makes sense to consult with experts when choosing something as important as an HVAC system because there are many choices on the market today. Experts can draw on vast training and extensive experience to help you make the right decision. Factor that must be considered in the decision-making process include:

  • the age and size of your home or commercial building
  • the number of rooms to be conditioned
  • the local climate
  • how much utilities cost at your location
  • whether there are any utility rebates or incentives
  • and more.

Considering these factors and anything else they deem relevant, HVAC professionals can determine which system is right. There is no one system type or brand that’s right in all cases.

HOW CAN I DETERMINE WHAT SIZE MY HVAC UNIT SHOULD BE?

Factors that can impact the size of a new HVAC system for your home or commercial building include the local climate and humidity, how many windows are in your structure, the total square footage, which direction the building faces, how many heat-producing appliances you have and what kind of insulation you have. An HVAC dealer can do calculations that determine exactly how much heating and cooling capacity you need based on these and other factors.

WHAT IS INVOLVED IN INSTALLING AN HVAC SYSTEM?

Much of the installation includes getting the ductwork right. If there has never been central heat or air in your home or business, ductwork must be installed. We must also install insulation, refrigerant piping, electrical wiring, a thermostat and various types of other piping. You may also require a chimney liner, a mounting slab for the outdoor unit and more. Of course, registers and grills must be installed for the air to flow as well. Supply ductwork is installed to deliver air to the various zones of your home or business while return air ductwork must also be installed to supply air to the units. We can determine all the details of how much ductwork you need and what size it should be. For homes with existing ductwork, repairs or redesign may be necessary for the best efficiency. We may also need to replace the thermostat or other installed components, depending on their age and condition.

HOW DOES THE SYSTEM REPLACEMENT PROCESS WORK?

For the system replacement process to work most effectively at your home or business, a complete inspection is necessary to determine the condition and design of the ductwork, how much insulation is present, the condition of electrical service and wiring, the type and condition of the thermostat and the presence of slabs and system components. Once everything is taken into account, our team of HVAC professionals can help you choose the right system for your unique needs and can recommend changes in your home or business to make the system work most effectively. As the customer, of course, you’re always in charge.

HOW LONG WILL A NEW HVAC SYSTEM LAST?

A variety of factors come into play in determining how long an HVAC system will last in a specific business or home, but one things is certain: proper scheduled maintenance is essential for efficient operation and long system life. If all recommended maintenance is performed and service is done when necessary, an air conditioning system can last 12 to 15 years or perhaps longer. Gas furnaces are even more robust and can last from 20 to 25 years.

WILL MY INDOOR COIL HAVE TO BE REPLACED?

It’s usually a good idea to change the indoor coil when replacing an AC system or heat pump. There is a strong correlation between the performance of the indoor coil and the overall efficiency of your air conditioning system. You probably won’t get the expected energy saving or the performance you want if you don’t change the indoor coil.

WHERE CAN THE AIR HANDLER OR FURNACE BE LOCATED?

The design of your home or business will determine where these things can be placed. There are actually several choices. An up-flow system can be located in a basement, if you have one. A horizontal-application system can be located in an attic. Some units are self-contained and can be entirely located on a roof or outside on a slab. A garage can also be the right place for any type of system. After examining your home or business, we can make location suggestions that will work for you and your unique needs.

CAN YOU EXPLAIN WHAT A HEAT PUMP IS?

Heat pumps are often misunderstood. A heat pump is a machine that can be used for either heating or cooling and works by transferring cold or heat between two specific reservoirs. A heat pump can take the place of an air conditioner and transfer heat from the inside to the outside. Alternatively, it can work like a heater and move exterior heat inside. Amazingly, a temperature of only 32 degrees outside is still enough to warm an indoor space with a heat pump. Plus, today’s heat pumps have backup systems and other features that allow them to work better than ever before.

CAN I TAKE CONTROL OF THE HUMIDITY LEVEL INSIDE MY HOME OR BUSINESS?

Yes. A variable-speed furnace or air handler as part of your complete heating and air conditioning system can help with controlling humidity. Variable-speed units are designed to run for longer periods but at lower speeds at some times. This means that air can circulate constantly past the cooling coil, and this removes moisture from the air. As a bonus, variable speed motors are designed to use significantly less electricity than regular HVAC motors, cutting down on energy costs.

WHAT STEPS CAN I TAKE BEFORE CALLING FOR HVAC SERVICE OR REPAIR?

A heating and air conditioning system is a complex collection of machines and devices that requires professional attention to keep it working correctly. But if your system has just started malfunctioning, there are a few simple things you can try before contacting us. Of course, if you don’t feel completely comfortable with any of these tasks, go ahead and call in a professional. If you want to see if you can solve a problem quickly and easily:

  • Check all circuit breakers to make sure they’re on.
  • Check all system filters to make sure they’re clean and properly placed.
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  • Check supply vents and return vents for any obstructions.
  • Make sure the thermostat is set where it should be.
  • Make sure the system switch is set on HEAT or COOL, as appropriate.

If these things are as they should be and you still have a problem, you need professional assistance. Any other repairs or checks should be performed by a professional.

WHAT ARE R-22 AND R-410A?

R-22 is a refrigerant that was used in HVAC systems for more than four decades. But studies showed that this refrigerant negatively impacts the earth’s ozone layer, so most use of this refrigerant ended by 2010. It has been replaced by R-410A, a more environmentally friendly option that doesn’t deplete the ozone layer. Modern systems use modern refrigerants and do not have the same negative environmental impact they once did.

WHAT DOES THE ENERGY STAR LABEL MEAN?

Energy Star is a program from the United States Environmental Protection Agency that helps people and businesses make smart energy-efficiency choices. When you see the blue and white logo and the Energy Star label, you can be sure the product meets strict energy-efficiency standards. There’s no easier way to identify the most high-quality energy-efficient products. For more information, check out www.energystar.gov.

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TROFAST ELECTRICAL, HEATING & AIR
3450 ALEMEDA ST. SUITE 344
FORT WORTH, TX 76126
Phone: 817-465-8556
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