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COMMON CENTRAL AIR CONDITIONING REPAIRS

Central air conditioning repairs can range from simple do-it-yourself solutions to complicated procedures that require the services of a trained HVAC technician. Many problems can be avoided with regular maintenance and cleaning. Periodic cleaning of the air conditioner grill and filter, for example, makes the unit more efficient at cooling. A dirty filter can build up particles that choke the ducts and make the unit run inefficiently. A simple cleaning of the air filter will solve this problem.

FOUR COMMON CENTRAL AIR CONDITIONING REPAIRS:

  1. The unit won’t turn on – Make sure the thermostat is set to “cool” and that the set temperature is well below the current room temperature.  Also, make sure the furnace power switch is turned on and that the outdoor condenser’s power switch hasn’t been shut off. A central air conditioner should be on a dedicated 240-volt circuit; if the unit won’t turn on, check your electrical panel for a tripped breaker or blown fuse. Also, be sure the 240-volt disconnect next to the compressor hasn’t been shut off.
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MINI-SPLIT AIR CONDITIONERS

Mini-split air conditioning systems are a good option for homes where installing ductwork or central air conditioning is not feasible. These systems are easy to install, quieter, and more energy efficient than central air.

A mini-split air conditioner is like a scaled-down version of a central air conditioning system. Like central air systems, mini-splits have two main components: an outdoor compressor/condenser, and an indoor evaporator/air-handling unit. Mini splits can have up to four indoor units connected to the outdoor unit, which means one mini-split can cool up to four rooms. Each indoor unit is linked to the outdoor unit by a power cable, refrigerant tubing, suction tubing, and a drain for condensation.

Here are some advantages and disadvantages of mini split air conditioning systems.
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AIR DEHUMIDIFIERS HELP YOUR HOME STAY COOL

During the hot summer months, staying cool can often be a challenge, especially when humidity is high. Humidity creates an uncomfortable, sticky feeling that is difficult to combat. Indoor air fee…ls much warmer than it actually is because the humidity level is so high. The best way to deal with this indoor “heat-indexed” air is to use air dehumidifiers, which reduce the levels of moisture in the air and therefore help your home stay cool. Air dehumidifiers are similar to air conditioners in that they remove humidity from the air inside your home and decrease the air’s temperature. Ideal areas to place air dehumidifiers are in poorly ventilated and damp places like basements or crawl spaces, as these areas typically contain more moisture than other areas of a home.
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WHAT IS A P-TRAP FOR SINKS?

ptrapBeneath a kitchen or bathroom sink drain is a pipe with a sharp bend in it. This p-trap has a pair of reasons for its design. These traps prevent sewer gases from entering the home and stop heavy items that have fallen down the sink from being completely lost in the plumbing. You must have a p-trap installed under your sink if you want your home to pass inspection in many places, where the building code requires them. Even if they are not required, you should understand the practical purpose for installing a p-trap.

SHAPE

As its name suggests, the p-trap vaguely resembles the letter “p” when turned on its side. The u-shape bend in the pipe forms the curve of the “p”. The straight extension leading from the p-trap to the main drain line in the wall looks like the stem of the letter “p”. Where a curved pipe drain helps you to determine if you have a p-trap or a s-trap. P-traps exit into the wall behind the sink, but s-traps bend back down and drain into the floor.

A p-trap should be installed where possible because p-traps can be attached to a vented drain pipe where s-traps cannot be vented. In some places, an s-trap may be illegal if the horizontal run after the bend is not twice the diameter of the pipe, according to Rex Cauldwell in “Plumbing Complete: Expert Advice from Start to Finish.”

TYPES

The types of p-traps available are based on the material they are made from. For longevity, opt for PVC p-traps. These are made of white plastic and are simple to install by hand without specialty tools. Plastic p-traps have nylon connectors that screw tight by hand with the twist of the plastic nut. The only downside to these p-traps is their garish appearance. For most homeowners, this is not an issue because the p-trap is located in a cabinet below the sink.

For homes with exposed piping below the sink, chrome p-traps are a more decorative option, but they do not last as long as plastic p-traps. These must be installed using a pipe wrench to tighten the connections and pipe joint compound to connect pieces of the pipe together. This installation is worth the effort when it is needed, because a bright, metal p-trap will look better in exposed places, compared to a plastic p-trap.

TRAPPING FALLEN ITEMS

If you drop a ring down a sink drain, it will not immediately be washed down to the city sewer. Heavy items such as rings or coins can be caught in the p-trap if you shut off the flow of water immediately to prevent the water flow from pushing the object out of the p-trap.

With a bucket under the p-trap, remove the nuts holding the trap to the rest of the plumbing. Turn over the bend of the p-trap to empty the water and your fallen object into the bucket. Reattach the p-trap to your drain according to the installation directions for the type of p-trap you have – chrome or plastic.

TRAPPING SEWER GAS

Even if you are meticulous about never dropping things down the drain, you still need a p-trap under your sink to keep gas out. Sewer gases can rise through the drain pipes in your home, but the u-shaped bend in the p-trap collects water. This water blocks the gases from rising up into your sink. If sewer gases enter your home, they bring a noxious odor and possible headaches and respiratory  ailments to those who smell the gases, according to Merle Henkenius in “Ultimate Guide to Plumbing: Complete Projects for the Home.”

If you are having a sewer smell in your home or business, call us today at 843.236.7142 so we can come diagnose the issue and get your plumbing working properly again.

 

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Credits: eHow.com