If your A/C has been malfunctioning, or is not working as efficiently or effectively as it should, you may be thinking about purchasing a new one. There are several factors to consider when contemplating this major investment.
Age of the Air Conditioner
Age alone is not a reason to replace your air conditioner. If it works, and your utility bills are low, you’re probably fine not making a change. It is worth noting, however, that many improvements have been made to newer air conditioners. Improvements such as programmable thermostats and better overall design make them much more energy efficient. The savings on utility bills could be significant if you have an older unit, and those savings can greatly offset the cost of a new air conditioner. Energy Star recommends upgrading to an energy-efficient unit if your current A/C is 10 or more years old. Many HVAC technicians typically recommend replacing units if they are 15 years or older. Your HVAC professional can help you evaluate the savings you are likely to achieve with a new system and determine whether a replacement makes sense for you.
Frequency and Cost of Repairs
If you’re constantly replacing parts or repeatedly having the same repair issues you should consider replacement. Even if this is your first significant repair, a good guideline is the $5,000 rule. Multiply the age of your air conditioner by the cost of the repair. If the number is greater than $5,000, replacing it makes sense.
Nature of Repairs
If your A/C requires additional refrigerant (Freon) that can indicate there is leak. This type of repair can get pricey pretty quickly. The coolant itself costs $40-$175 per pound. While that may include the cost of the service call, repairing the leak plus topping off the coolant can run between $550 and $1,000. This type of leak can also signal that the compressor is about to fail. All together, replacing the compressor, repairing the leak, and adding coolant can cost as much as a new low-end unit.
The industry measures efficiency of new air conditioners with the Seasonal Energy Efficiency Ratio (SEER). The higher the SEER rating, the more efficient the product. In January 2006, the standard for residential air conditioners was increased to a SEER of 13 or higher. Efficient A/C systems keep your utility bills low and also reduce your environmental impact.
Some other things to consider include:
Is the repair covered by a warranty?
Are replacement parts available?
How long do you plan to stay in your home? Will you reap enough benefit from a new air condition, either through your own comfort or through the sale of your home?
What is the life expectancy of the unit? Is it serviceable for a few more years?
New refrigerants. R22 was the standard for many years and is now being phased out and the price is getting very expensive. Manufacturers are no longer allowed to make AC units with R22. All newly manufactured air conditioning units are now using R410A – an earth friendly refrigerant.