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By: Mark Harry

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Thursday, 3-Oct-2013 10:51 Email | Share | Bookmark
The Significance Of HVAC Upkeep

Contrary to popular belief, air conditioners do not consume refrigerant, like an auto consumes oil. Under perfect conditions, you will never need to add or change the refrigerant in your air conditioning system. If you do find that your refrigerant levels are low, this indicates a crack in your system which ought to be repaired before you add refrigerant. While a lot of new system connections are welded to minimize leaks, many older units, (8 years or older), were connected with mechanical flared fittings which can shake loose over the years, causing leaks.

One of the easiest benefits to document is just how HVAC upkeep affects energy efficiency. Facilities where appropriate HVAC upkeep is completed will utilize at least 15 to 20 percent less energy than those where systems are allowed to degrade. For example, consider the operation of a central building chiller. Building chillers typically are the single biggest user of electrical power in a facility. To keep them operating as effectively as possible, upkeep tasks have to be performed on an annual basis. Let them lapse, and efficiency will decrease, increasing energy use. Start with the chiller operating log. Work with the chiller manufacturer or a service business to convert the log information into an operating efficiency curve for the chiller.

Establish a similar curve for what the efficiency of the chiller would be if all maintenance was performed at the recommended intervals. The difference between the two operating efficiencies can be translated into energy and expense savings. Due to the high energy use of the equipment, even small rises in efficiency will certainly lead to big cost savings. While the energy saving estimates for chillers, central heating boilers, and numerous other HVAC systems are straightforward, other cost saving estimates might not be. Think of outside air dampers. Air dampers require regular upkeep to react correctly to the temperature control system's demand for air flow. If the damper linkage is out of adjustment, or if it sticks open, more air flow will be introduced than required, needing the system to utilize even more heating or cooling energy to condition that air.

Air conditioning systems do more than simply cool the air; they reduce humidity, and also get rid of dust and dirt by moving the air through filters. The easiest and often the most effective upkeep is to frequently change or clean your air filter, which is found inside the system's heating system, air handler or attached ductwork. When these filters become plugged with dirt, the system has to work harder to do its job. This wastes energy and can make utility costs rise. Depending on the amount of dirt in the air, filters can become blocked in just a month or two of operation. Most residential systems have reusable filters. These ought to be examined every two months} throughout peak use and changed when required. Permanent filters ought to be cleaned in accordance with the manufacturer's directions. Under no circumstances should you operate your system without filters. To do so could cause a demand for even more frequent cleaning of the heat exchangers.

Think of your HVAC unit like an auto. It has a motor and runs off a certain type of energy. In the same way that you change your automobile's oil, spark plugs, recharge the battery, etc, these HVAC motors also require regular attention to run efficiently and successfully.Alaskan Home Services\nWebpage

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