Common FAQ’s

What Does HVAC Stand For?
HVAC is short for Heating, Ventilation and Air Conditioning. HVAC is most often used to describe the whole heating and cooling system consisting of the duct work, air filters, humidification controls, and registers.
Should I Have Routine Maintenance Performed On My AC And Heating Systems?
You probably wouldn’t get a brand-new car and assume to never have to inflate the tires, change the oil and examine any atypical noises. Your home comfort system is similar to your car’s engine, it’s a mechanical device with a motor, electrical components… and even fuel. So it is essential to have routine maintenance of your home comfort system by a qualified technician. If not maintained properly and routinely, even the best heating and air conditioning equipment could experience complications and become less ‘fuel’ efficient over time.
How Important Is To Replace The Outdoor And Indoor Systems At The Same Time?
The answer is, probably so. Here’s why.

Matched System Design: All air conditioner and heat pump outdoor units are speciallyfabricated to work with a matched indoor unit for ideal efficiency and performance. The consequence of this matched equipment is a coordinated, top-performance team that ensures dependability and efficiency. Air conditioner and heat pump outdoor units may ”run” with indoor units other than those for which they have been speciallydesigned; however, the effect would be a definite compromise in system performance.

Design Advances: Through the years, indoor blower coil units have undergone many design advances — especially in the areas of air handling performance, filtering efficiency and operating sound levels. A new outdoor unit will also comprise the latest design advances.

Higher Cooling And Heating Efficiency: The cooling and/or heating efficiency ratings that are posted for an air conditioner or heat pump are based on their performance as matched systems. While changing only the outdoor unit may consequence in improved efficiency compared to the old system, efficiency will be lacking from what it was designed to be, and your savings will be not as much as with a matched system.

Equipment Age: If an air conditioner or heat pump is 10 years old or more and needs to be replaced, the indoor unit is likely just as old and has been subjected to the same amount of degradation. Substituting both units means you won’t have to substitutethe indoor unit in a brief time period… you’ll have more years of efficient service with both units.

New Warranty: A new set of equipment also delivers you a new product warranty. Changing the indoor unit simultaneously with the outdoor unit results in peace of mind, knowing that the new warranty covers the entire system for the same period of time.

A Bargain: At first glance, replacing only the outdoor air conditioner or heat pump may appear to be a bargain. But, when you consider the lower cooling and heating efficiencies, decreased reliability and high cost of ownership that results, it’s not such a bargain. Replacing an entire system may cost more, but you get much more efficiency, reliability and comfort for years into the future.

How Do I Select The Right Heating/Cooling System?
First, make sure the unit is properly sized. We will provide a load calculation for your home. Second, an energy analysis will also assist in determining operating cost. Finally, know your budget parameters and the efficiency of the system being proposed. Does the system offer a payback? In other words, will the monthly savings over time offset the cost of the new unit or efficiency option being considered?
How Important Is A Second Opinion For Major Repair and New Heating and Cooling Systems?
With so many choices for Air Conditioning and Heating companies in Columbia, it can be hard to know that you are getting good advice. Some air conditioning repair companies may not have the tools, skills or knowledge to provide an accurate diagnosis and solution. Others may just not be honest, and are unethical enough to take your money without making the situation better. Some companies will even go to lengths to ensure you have to call them back out again within a couple months for another service call. This is why it is so important to get a second opinion whenever you need AC or heating service, repair or installation. If you have an invoice or quote from a licensed company, please contact Evans Heating and Cooling for a Free Second Opinion. See More About How To Ensure You Are Getting A Good Value With Your New AC System Or Major Repair
How Long Can I Expect A New System To Last?
If you have a qualified technician perform regular preventative maintenance and service suggested for your unit, industry averages suggest that an air conditioner should last 12-15 years (sea coast applications may be less) and a gas furnace should last as many as 20-25 years.
What Does SEER Mean?
SEER stands for Seasonal Energy Efficiency Ratio. Simply put, it is a standardized measurement for the overall operating efficiency of an air conditioning system. The higher the system’s SEER rating, the more efficient it is at converting energy into air cooling.
When Should I Replace My Heating and Air System?
We recommend considering replacement when a large repair is necessary or the age of the system is more than 10 years old. While there are many components to this decision, it is best to have a FREE in-home consultation so we can provide you necessary information to make your decision.
What Is Energy Star?
The Department of Energy has performed standardized testing that qualifies certain types of equipment to pass as “energy star”. Look for the blue label on our products while we are at your home and save on utility costs over the life of ownership. Click here for list of Energy Star rated equipment:
How Do I Know What Size HVAC System To Purchase?
There’s no cut-and-dried answer to this question, since it depends on your home’s age, construction/insulation type and size-and also upon the performance of the system you choose. Evans Heating & Cooling HVAC experts will evaluate your cooling and heating needs and conduct an energy analysis to determine which system will suit your needs-and your budget. Rest assured that we will recommend a high-quality system that will improve your comfort for years to come, without costly maintenance.
How Can I Find Out If I Am Spending Too Much On Heating And Air Conditioning For My Home?
Start with your utility company; they can help a great deal. Comparing previous bills isn’t always a good measure, as the weather is never exactly the same month to month. Instead, if you take your energy bill and divide it by the square footage of livable space in your home,don’t count areas like unfinished garages or basements — you can calculate how much you are spending to heat or cool each square foot of your home. Your energy provider can tell you what the average cost per square foot is in your region for that same period of time so you can compare apples to apples.
How Can I Protect My Hvac System From Needing Repairs?
While there’s nothing you can do to guarantee your air conditioner or furnace will never need repair, there are ways to take better care of your unit. Changing out the air filters every 3-6 months, making sure nothing is obstructing or interfering with the outside unit, and keeping all vents unblocked in well-used rooms will help keep your air conditioner or heating system operating at peak efficiency.
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