Repair your AC when it is relatively young, the problem is a single failed part, and the system has otherwise been reliable. Replace it when it is past roughly 10 to 15 years old, repairs are becoming frequent, or some rooms never cool evenly. Triad Heating and Air describes the same guideline, and says it will point out when a repair makes more sense than a new system.
The tricky cases sit in the middle: a 12-year-old unit with a failed part that is not cheap. The questions below help you work through them.
Most residential air conditioners are built to last somewhere in the range of 10 to 15 years, and some go longer with good care. In Tulsa, where the system runs hard through long, hot, humid summers, the wear adds up. Age by itself is not a death sentence, but it changes the math. A repair on a 5-year-old unit extends a system with a long life ahead of it. The same repair on a 15-year-old unit may buy you one more summer.
Find the manufacture date on the label of the outdoor unit. Many homeowners do not know how old their system really is, especially if the house was bought used.
One repair in a decade is normal. Three repairs in two summers is a pattern. When parts start failing one after another, it usually means the whole system is wearing out together, and fixing one piece just shifts the stress onto the next.
Keep a simple record of what was repaired and when. If you are heading into another repair, that history is the most useful thing to hand a technician, and it makes the decision easier.
Some failures are small and cheap compared with the system they protect. Common examples:
Repairs that tend to point toward replacement on an older system include a failed compressor, a leaking evaporator coil, or a refrigerant leak that keeps coming back.
Older systems built before 2010 or so commonly use R-22, which is no longer produced for new equipment, and the supply that remains is limited. Even systems using R-410A are now being phased toward newer refrigerants in new equipment. If an older unit needs a refrigerant recharge, ask what refrigerant it uses and whether the leak can be found and fixed. Adding refrigerant to a leaking system without repairing the leak is a short-term patch.
It can. Older units are often far less efficient than current models, and a system that was fine on paper ten years ago may now be adding noticeably to your summer electric bills. A newer system may also handle humidity better, which matters in Tulsa where a muggy house feels warmer than the thermostat says. If your bills have crept up while the weather stayed the same, that is worth mentioning when you talk to a contractor.
Look for several of these together rather than any one alone:
When two or three of these apply, replacement deserves a serious look.
Ask for the repair quote and the replacement option at the same time, both in writing. Then think about it this way: how much more life does this repair give the system, and what is the likelihood another part fails soon? A repair that costs a large share of a new system is rarely a good use of money on an old unit.
Also ask the contractor directly whether they would repair or replace it if it were their own house. Triad Heating and Air states that it gives honest recommendations, which includes saying so when a repair is the better choice. You can read more about the replacement process on the AC replacement page.
Often, yes. A newer system can include a variable-speed blower and staged cooling, which run longer at gentler output. That smooths out temperature swings between rooms and pulls more humidity out of the air, and in a Tulsa summer the humidity is half of the comfort problem. If the house has felt sticky or uneven for years, that is a fair reason to lean toward replacement even when the old unit is still running.
Get a full diagnosis first. Do not decide based on the symptom alone, since a unit that blows warm air or trips a breaker may have a minor problem or a major one. Once you know what failed and why, you can weigh it against the age and history of the system.
Triad covers Tulsa and nearby towns listed on its service areas page. If you want a second opinion on a repair quote from another company, call (918) 992-2105 and describe what you were told.
Past roughly 10 to 15 years is when replacement deserves a serious look. Triad Heating and Air uses that same general guideline, and age matters most when repairs are also becoming frequent.
Triad Heating and Air says its recommendations are honest, including saying when repair makes more sense than replacement. Any contractor you hire should be willing to explain both options.
Sometimes, but only if the leak can be found and fixed. Triad Heating and Air can look at the system, and you should ask for the cause of the leak to be explained before paying to add refrigerant.
Uneven temperatures can come from duct problems, poor airflow, or a system that is the wrong size. Triad Heating and Air treats it as one of the signs to consider replacement, though a duct repair may fix it.
Call us. We'll tell you if a fix will do, or if it's time for a new one. Our office is open Monday to Friday, 8 to 5. We take emergency calls day and night.
For a short time, get a free furnace when we put in a full new system. Some rules apply.
