When your AC starts malfunctioning a lot, it can be difficult to keep your home cool. Instead of letting the temperatures rise uncontrollably, you should consider swapping this faulty unit out with a replacement. Choosing one won't be difficult so long as you pay attention to these factors. 

Energy-Efficiency Rating 

No matter where you live, it can get expensive to run an AC unit for hours and hours each day during the summer. You have to stay cool, though. Well, you can put a stop to these stressful energy bills by looking for an AC unit with an energy-efficiency design.

Even when running for hours, these units help you conserve energy and save money. An important figure you'll need to assess as far as energy-efficiency is the SEER (seasonal energy-efficiency rating). The higher this figure is, the more energy-efficient the AC unit is.

Design 

There are quite a few AC unit designs you can choose from today. One of the most standard is a centralized cooling unit. It has a powerful design, but is one of the most expensive options. If you're looking for something more affordable, you might consider a window unit. Its cost-effective design can work great for smaller square footage totals.

If you're looking for a temporary solution until you can decide on a better long-term fit, portable AC units are great. They are easy to set up and work pretty well at cooling areas of your home. Just choose a model that works best for your budget and cooling needs.

Condition 

In terms of this replacement unit's condition, you can either buy completely new or get a used model. Obviously the former option is best if you don't really have any budget constraints. The new unit will work perfectly for years and probably will be energy-efficient.

If you don't have enough money to buy a new unit, used models can still work out. You just need to put a little more research into them. You need to make sure major components are in good condition and actually test these units out in person. You'll also want to buy from a reputable seller, who's known for offering high-quality used AC units.

A lot goes into purchasing a replacement AC unit for your home. So that you're completely satisfied well after your initial purchase, make sure you assess the right factors. Only then can you avoid buyer's remorse and effectively stay cool. Contact an air conditioning service for more help.