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Should you hire an air conditioning repair contractor?
First of all, it is important to note that heaters and air conditioners, like all others types of electronic equipment, need to be maintained. Not maintaining the air conditioning and/or heating can result in inefficient energy usage, which will increase one’s electricity bill.

Furthermore, an HVAC company can make sure that no mistakes are made when fixing/installing an air conditioner or heater. Many homeowners who do not have experience in this field can easily break something and this can in some cases result in having to replace the entire heating or air conditioner unit. Having a company come out and handle complicated repair work can save a homeowner the hassle of having to shell out money to buy an entirely new air conditioner and/or heater.

Business owners will naturally want to get heating and/or cooling problems taken care of as soon as possible. Customers will not want to come to a shop that is too cold in the winter or boiling hot in the summer. Summer cooling problems can also result in certain products going bad and needing to be tossed out, which is naturally a significant loss for the business. Hiring a company that handles commercial HVAC repair can help a business owner get the problems taken care of in a timely manner so that it does not affect business. Furthermore, as was noted above, a business owner will also want to contract such a company to come on a regular basis to do air conditioning and heating unit maintenance.

Cleaning the Evaporator
We recommend that you ALWAYS HIRE A PROFESSIONAL to the job. Working on air conditioners can be dangerous and complicated. You may end up hurting yourself or ruining the unit as well. Hence always have a professional do the work. It will save you on time, money and most important, personal suffering. The evaporator for the central air conditioner system is mostly located above in the plenum. The evaporator may not be accessible, but if it is, you should clean it at least once a year. The thing is that if the plenum has foil-wrapped insulation at its front, you can clean the evaporator; if the plenum is a sealed sheet metal box, do not attempt to open it. Here's how to clean an accessible evaporator:

Step 1: You will have to remove foil-wrapped insulation at front of plenum; it is usually taped at the spot. Be careful when you remove the tape as you will have to replace it later. Right behind insulation is access plate, which is held in place by several screws. You will have to remove the screws to the get the access plate out.

Step 2: Now it’s time that you clean the underside of the evaporator unit with a soft brush. If you are having difficulties with seeing, a large hand mirror can help you see what you're doing. If you can't reach all the way back to clean entire area, slide evaporator out a little. Evaporator can be slid out even if it has rigid pipes connected to it, but be careful not to bend pipes.

Step 3: Clean tray below evaporator unit. This tray carries condensation away from evaporator. Pour 1 tablespoon of household bleach into weep hole in tray to prevent fungus growth. In extremely humid weather, check condensate drain and pan every other day. If there's much moisture in pan, weep hole from pan to drain line may be clogged. Open weep hole with piece of wire.

Step 4: Put unit back into place, reinstall plate, and tape insulation back over it.

Step 5: Turn back on air conditioner, and check for air leaks. Seal any leaks with duct tape.

Maintaining the Condenser
AS WE SAID EARLIER we recommend that you ALWAYS HIRE A PROFESSIONAL to the job. Working on air conditioners can be dangerous and complicated. You may end up hurting yourself or ruining the unit as well. Hence always have a professional do the work. It will save you on time, money and most important, personal suffering. In most air-conditioning systems, the condenser unit is located outside the house and is prone to accumulate dirt and debris from trees, lawn mowing, and airborne d¬ust. The condenser has a fan that moves air across the condenser coil. You must clean the coil on the intake side, so, before you turn off the power to the air conditioner, check to see which direction the air moves across the coils. Here's how to clean the condenser:

Step 1: Cut down any grass, weeds, or vines that have grown around condenser unit; they could be obstructing airflow.

Step 2: Clean condenser with commercial coil cleaner, available at refrigerator supply stores. Instructions for use are included. Flush coil clean (do not use hose); let dry.

Step 3: Clean fins with soft brush to remove accumulated dirt. You may have to remove protective grille to reach them. Do not clean fins with garden hose, as water could turn dirt into mud and compact it between fins. Clean fins very carefully: They're made of light-gauge aluminum and are easily damaged. If fins are bent, straighten them with fin comb, sold at most appliance parts stores. A fin comb is designed to slide into spaces between fins. Use it carefully to avoid damaging fins.

Step 4: Check concrete pad on which condenser rests to make sure it's level. Set carpenters' level front to back and side to side on top of unit. If pad has settled, lift pad with pry bar or piece of 2-by-4, then force gravel or rocks under concrete to level it.

During the fall and winter, outside condenser units should be protected from the elements to prevent leaf blockage and ice damage. Cover the condenser unit with a commercial condenser cover made to fit the shape of the unit or use heavy plastic sheeting secured with sturdy cord.

Blog With AC & Heat Technicians - Air Conditioning Repair

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What is a shell and coil condenser?

Category: Commercial Air Systems

Query By: Will Hicks (Sacramento, CA)

Posted Date: 10/12/2016

We are feeling clammy even when the air conditioner is on. The h

Category: Furnace Air Conditioner

Query By: Jim Reeves (San Diego, CA)

Posted Date: 10/20/2016

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Category: Portable Air Units

Query By: Sam Bell (Orlando, FL)

Posted Date: 10/16/2016

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