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10 Mar 2016
In today's rough economic times the worst thing you need is a surprise air conditioning repair. While all mechanical systems require repairs every so often, many are preventable. In no particular order, listed below are the ten most common problems we come across every spring and what you can do to avoid them.

1. Dirty Filter

In case you have a 1" disposable filter, it ought to be replaced monthly. It's out of sight and out of mind, so it's very easy to forget to change it. Yet, every year we go on service calls in which the air conditioner isn't cooling and the cause is restricted venting from an extremely dirty filter. Dirty filters reduce indoor quality of air, make the home less comfortable, and will result in frozen indoor coils, eventually resulting in serious repairs.

2. Switch Deterred

Some heating and air conditioning systems have a very wall switch in the indoor unit for safety and convenience that could be confused with a light switch. If it is accidentally switched off or left off during mild weather, your air conditioning unit will not start. Make sure the condition of this switch before calling us.

3. Tripped Breaker

Just about the most common causes of no-cool calls can be a tripped breaker. Reset it before calling us. Hopefully, it won't repeat. If it does, phone us. Something is causing the breaker to trip. Often, it's something simple, like a bad breaker, loose wire, or a bad capacitor. However, otherwise addressed, some simple problems could lead to far more expensive repairs.

4. Refrigerant Leaks

An air conditioning system is an enclosed system. It should never leak refrigerant. When it does, bad the unexpected happens. Your air conditioner efficiency falls and electricity use rises. Your ac may not cool. The coil may freeze. The compressor becomes damaged. Plus, refrigerants are greenhouse gases. We utilize a variety of tools to find refrigerant leaks. Often the issue is as simple as a bad Schrader valve or even a weakened connection between fitting and refrigerant tubing.

5. Thermostat

Some thermostats have to be switched between heating mode and cooling mode. In the event the switch is in the wrong position or breaks, your air conditioning unit won't start. Quality digital thermostats rarely fail. A number of the cheap ones available from the big boxes might. Precisely what goes wrong? The switch might break; a voltage spike might cause a malfunction, and the like.

6. Clogged Drain Line

Air conditioners pull moisture away from humid air while lowering the temperature. The moisture is normally drained out of your home through your plumbing system. A drain pan should be present as a back up with a secondary condensate drain. Algae can grow of these lines, clogging them up. This may lead to water damage in your home. We clear the drain lines included in our spring ac tune-up or you can have it done separately, if required.

7. Contactor

A contactor is surely an electromechanical switch in your air conditioning equipment. Sometimes the silver coating on the contactor will wear off along with the contactor will stick, causing the outside unit to perform continuously, which is expensive. Sometimes ants are fascinated by the electricity and get squashed between the contactors, blocking them from closing. When this happens, the outside unit won't run. Contactors can also fail electrically. We check these as part of a spring tune-up, clean the top of contactors if needed, and recommend replacement if failure appears imminent.

8. Dirty Evaporator Coil

The evaporator coil is located inside your home... Periodically the coil must be cleaned or dirt and dust build up will restrict the coil's heat transfer capabilities and lower system air flow. Dirty coils increase operating cost and reduce the comfort of your home. * Should be carried out by HVAC Professional

9. Dirty Condenser Coil

The condenser coil is the outside portion of your air cooling system. A dirty or restricted coil is inefficient, increasing electricity usage and reducing system cooling capacity. Keeping it clean goes along way in reducing energy costs and minimizing the wear and tear on your air cooling system.

10. Duct Leaks

Which has a forced air heating & air conditioning you pay to condition air. The ductwork offers the air to the different rooms. If your ductwork that supply's this air is found outside of the area you would like conditioned like basement, crawl space or attic has leaks, you're paying to condition a place that you do not want to condition reducing the amount of air that could be conditioning the rooms you wish to condition. This causes longer run times and higher energy bills. Inefficient ductwork (your air distribution system) is often a major energy waster in many homes. I will have an overabundance on this in future articles.


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