Recently Asked Questions
WHAT IS THE AVERAGE LIFE EXPECTANCY OF AIR CONDITIONING EQUIPMENT?
Most systems have a lifetime of 10 to 20 years. As your equipment gets older, it’s efficiency can decrease dramatically. You may notice that it gets noisier and needs repairs more often. When a unit begins to show it’s age, you have two choices. You can overhaul the system or replace it. Because heating and cooling technologies improve over time, a new system designed with newer, more energy-efficient equipment makes sense, especially if your system is 10 or more years old. We can estimate the cost of a new system as well as a payback schedule that will show you how newer technology will pay you back in lower energy usage.
CAN I JUST REPLACE THE OUTDOOR AC UNIT ON AN OLDER SYSTEM TO SAVE MONEY?
No. Replacing only the outdoor unit will lower the efficiency of the unit. In fact, you can lose up to 15% of the unit’s efficiency! Even worse, your system may fail sooner than normal and most manufacturers’ warranties will be voided. You should always replace the indoor cooling coil with the outdoor unit.
WILL A BIGGER SIZED HVAC SYSTEM PERFORM BETTER?
No, you don’t want your air conditioner to be too big. Air conditioners control the comfort level in your home by cooling the air and by removing humidity. An oversized air conditioner will cool your home faster, but it will use more energy and will not remove humidity adequately.
A unit that is too big for your home will have short run cycles. It may take only a short time to cool the air, but the unit shuts off before enough air blows across the indoor coil where moisture condenses into water and drains from your system. Too much moisture left in the air can lead to mold and mildew problems.
These short run cycles also mean your system starts and stops more often which uses more energy and causes a lot of wear and tear. An air conditioner operates more efficiently during long run cycles.
The same holds true with heating systems. An oversized furnace will warm the house quicker, but it uses more fuel and causes greater temperature swings in the home.
WHY IS AN AIR CONDITIONING SYSTEM WITH MATCHED COMPONENTS SO IMPORTANT?
An air conditioning matched system is important for a variety of reasons. One is comfort. When all your components are properly sized to your home, you can control exactly how much heating or cooling you need so you can relax. Also, a properly sized matched system enables every component to perform as designed, meaning proper cycle times are maintained, humidity is controlled, and system sound is minimized.
Another reason matched systems are important is efficiency. Most systems people buy are too large for their homes, which uses more energy than needed for your home. A matched system outlined by a dealer who has completed a load calculation for your home provides just the right amount of heating and cooling you need so you get the most value for your utility dollar.
HOW OFTEN SHOULD I CHANGE MY AC AIR FILTER?
At the risk of telling you something you’re tired of hearing, replace the AC air filter in your air conditioner or furnace on a regular basis – ,pre often in the summer than in the winter. Dirty air filters reduce the amount of air flowing through a system and make the furnace work harder to maintain the temperature. How often you change the filter depends on the type of filter you use, if you have pets, and the size of your equipment. Please give us a call and we can give you proper guidance.
WHY SHOULD I SWITCH TO A HIGH EFFICIENCY AIR FILTER?
SHOULD I HAVE MY HEATER AND AIR CONDITIONER SERVICED EVERY YEAR?
Yes. Keeping your system properly maintained will lower energy and repair costs, prevent breakdowns, and prolong the life of your equipment. Neglecting necessary maintenance ensures a steady decline in air conditioning performance while energy use steadily increases.
WHY SHOULD I PURCHASE A SERVICE AGREEMENT?
HOW CAN I REDUCE ALLERGENS AND IMPROVE THE AIR QUALITY IN MY HOME?
I AM CONCERNED ABOUT MOLD GROWTH, WHAT SHOULD I DO?
When humid air passes over chilled cooling coils, water condenses and drips through the coils into a collection pan, from which it continuously drains. Problems with these systems may occur when this water collects and becomes stagnant when it becomes blocked, either on the coils or in the drip pan. The pan will grow mold that can infect your home with dangerous mold spores very quickly. Problems also exist when the HVAC ducting contains microscopic mold spores that stay continually present and blow contaminants around the home or office often caused by mold in other parts of your home.
You can do 3 things to prevent mold growth in your system:
Preventative maintenance will ensure that the collection pan under the indoor coil stays clean and clog free.
Install ultra violet lights next to the cooling coils to kill any mold or bacteria growing on the coils or collection pan.
Keep your ductwork clean and use a high-efficiency filtration system to keep your entire HVAC system clean.
WHAT DOES SEER, AFUE, AND HSPF RATINGS MEAN TO ME?
Heat pumps have SEER ratings like air conditioners and Heating Seasonal Performance Factor (HSPF) ratings for measuring heating efficiency. Higher HSPF ratings mean greater energy savings. The HSPF scale range is 7.5 to 13.0.
Today’s new high-efficiency furnaces can save up to 50% in operating costs over a ten-year-old furnace. Many 1990 and earlier model furnaces have Annual Fuel Utilization Efficiency (AFUE) ratings of 65% or less. The minimum AFUE rated furnace that can be sold in the United States as of May 1, 2013 is 80% in southern states and 90% in northern states.
Our current product offering starts at this minimum AFUE rating and goes all the way to a very efficient 98.3% AFUE rating. Depending on your average usage, higher AFUE rated furnaces can significantly reduce your gas bill.
HOW CAN I REDUCE MY ENERGY COSTS?
Upgrade to a high-efficiency air conditioner – Swapping your old, inefficient air conditioning system for a high-efficient one can cut electricity bills by one-third. Consult one of our professional technicians to ensure your system is the right size for your home, and you aren’t over- or under-cooling for your space needs.
Turn up the temperature — To save electricity during the summer, set the temperature above 75° as every degree below this will add an extra three to five percent to your energy bill.
Install ceiling fans — Change the direction of airflow on your ceiling fans. In the summer, the blades should operate in a counter-clockwise direction as a way of creating a nice, gentle wind.
Have an annual maintenance performed — Having an annual maintenance performed on your air conditioner by a licensed technician will help ensure it operates at its peak efficiency and catches any potential breakdowns before they occur.
Don’t block vents in well-used rooms — Keep your supply and return air vents free of objects like blinds, carpets or furniture so your air conditioner can operate efficiently and there is even cool air distribution.
Upgrade to a high-efficiency furnace — New high-efficiency furnaces use up to 50% less fuel than an older system. It can save you up to 25 percent of your home-heating costs in one year, and within a few years, you’ll have recovered the initial cost of replacing/upgrading your furnace. Choosing a model with an energy efficient motor can save 20 to 50 percent of the energy needed to continuously operate a fan motor. Let us show you the advantages of replacing your old furnace today.
Have an annual maintenance performed — Having an annual maintenance performed on your furnace by a licensed technician will help ensure it operates at its peak efficiency and catches any potential breakdowns before they occur.
Install a programmable thermostat — A programmable thermostat enables you to control your home’s temperature when you’re away or asleep. For every 1° you lower your thermostat for seven hours per day, you save one percent on your heating bill.
Don’t block vents in well-used rooms — Keep your supply and return air vents free of objects like blinds, carpets or furniture so your furnace can operate efficiently and there is even heat distribution.
Install ceiling fans — Change the direction of airflow on your ceiling fans. In the winter, the blades should operate in a clockwise direction helping to push the warm air from the ceiling down into the room.
WHY SHOULD I BUY ENERGY STAR LABELED EQUIPMENT?
ENERGY STAR qualified products prevent greenhouse gas emissions by meeting strict energy efficiency guidelines set by the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE).
WHAT IS A HEAT PUMP?
Heat pumps are a great solution for your home comfort system because they work to provide both heating and cooling. Heat pumps have SEER ratings like air conditioners and Heating Seasonal Performance Factor (HSPF) ratings for measuring heating efficiency. Higher SEER and HSPF ratings mean greater energy savings.
Heat pumps are a very efficient alternative to electric heat. A heat pump works the same as an air conditioner in the summer, but it runs in reverse in the winter to heat your home. The system will be matched with a backup heating source, most often electric heat for those extremely cold days of winter. See our heat pump page for even more info!
WHAT ARE THE ADVANTAGES OF EQUIPMENT WITH VARIABLE SPEED FANS?
HOW DOES 2-STAGE HEATING OR COOLING WORK?
2-stage cooling can be done by having one unit with two compressors, one small and one large. The small one is typically capable of putting out about 50% the capacity of the larger one. The second way to have 2-stage cooling is to have a single scroll unloading compressor. This compressor can unload its capacity down to about 66% of maximum capacity. Both these methods of getting 2-stage cooling allow the unit to run at a lower stage when the high stage is not needed. By doing this, energy is saved.
2-stage heating has the same principle as 2-stage cooling. It allows the unit to adjust itself based on the amount of heating that is necessary. 2-stage heating is a good way to save on heating costs.
A heat pump system would have two different sized compressors, a small and a large one. The compressor that is used at a given time would depend upon the need. If only a small amount of heating is necessary, the smaller compressor would be used to save energy. The large compressor would only be used when a large amount of heating was needed.
A gas furnace that is 2-stage has a modulating gas valve that regulates gas flow depending upon the need.
AT WHAT TEMPERATURE SHOULD I SET MY THERMOSTAT?
MY SYSTEM DOESN'T WORK WELL IN A COUPLE OF ROOMS, WHAT SHOULD I DO?
S FREON AS A REFRIGERANT BEING DISCONTINUED?
R-22 is still the most commonly used refrigerant in existing air conditioning equipment in residential homes today. However, per the Montreal Protocol, caps have been established to eliminate the production of R-22. In 2004, there was a 35% reduction; in 2010 there was a 65% reduction; in 2015 a 90% reduction; and finally in 2020 a 99.5% reduction in the production of R-22. This means that during the time of these reductions with high demand, the price of each pound of R-22 refrigerant could potentially skyrocket.
If you are considering replacing your existing air conditioning equipment, most higher efficiency products have already made the switch to R-410A, the more “environmentally sound” refrigerant.
MY AIR CONDITIONER IS VERY LOUD WHEN I ENTERTAIN OUTSIDE, WHAT CAN I DO?
Great strides have been made in reducing the operating sound level of equipment. We will be happy to show you the difference in sound ratings with our product line.
CAN CARBON MONOXIDE BUILD UP IN MY HOME?
WHAT IF I SMELL GAS?
If you smell propane (LP) gas:
Exit your home immediately.
Propane gas can ignite easily. Do not light a match, start an engine, use a cell phone, or do anything that may create a spark.
From a safe area, contact your propane supplier and call 911.
If you are able, shut the propane gas supply off at the tank.
Stay away from your home until you’ve been told that it is safe to return.
Natural gas: You have this type if you have a gas meter and pay a natural gas supplier or utility. A chemical odorant has been added to natural gas to give it a distinct smell. Learn to identify this odor.
If you smell natural gas:
Exit your home immediately.
Do not light a match, start an engine, use a cell phone, or do anything that may create a spark.
From a safe area, contact your gas company or call 911.
If you are able, turn the gas off at the meter.
Stay away from your home until you’ve been told that it is safe to return.
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3615 Tavern Oaks San Antonio TX 78247
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Air & Plumbing Today provides air conditioning repair maintenance and service, new AC and HVAC systems installation, skilled plumbers offering plumbing repair, water heater replacement, tankless water heaters, water softeners, clogged drain cleaning for sink, tub, shower, clogged toilets in San Antonio, TX.
*Estimates by text are indeed estimates and not final quotes. FOR AC TEXT ESTIMATES: Our experts will assess whether additional work may be required for new AC installation such as ducting, wiring, etc. however these items will be clearly quoted in advance for your approval before installion begins. Our install experts can also suggest and quote indoor air quality services, anti-viral air scrubbers, air purification and filtration systems, ductwork & blown-in insulation as well. FOR PLUMBING TEXT ESTIMATES: Our expert plumbers will assess whether additional work may be required for new plumbing installations such as code compliance items, piping, venting, etc. however these items will be clearly quoted in advance for your approval before installion begins. Call our office for more details and to ask detailed questions. Our goal is to make sure we are 100% transparent with our estimates and you're 100% satisfied with our work when we're done!
Top Air Conditioning Calls of the Week: 9/19/2022
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