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Does the Brand of My Air Conditioner Really Matter?

Replacing your air conditioner is no small decision. There are so many factors to consider: size, efficiency, brand, price…it can be hard to know where to start! This is also likely to be an unanticipated, time-sensitive purchase if your air conditioner suddenly broke down, which only adds to the pressure of the decision.

Shamrock Heating & Cooling is here to answer your questions about choosing your air conditioner brand. We promise to work with you to find the best cooling solution for your individual needs.

Contact us today for air conditioner replacement services in Tempe and Phoenix!

How to Choose Your Air Conditioner


Did you know that your air conditioner can be too small OR too big for your home? A unit that is too small won’t be able to adequately cool your space, but a system that is too large will cycle on and off too often, leading to uneven temperatures and excessive humidity. You should consider the following when sizing your unit:

  • How many people live in your home
  • Square footage
  • How many floors you have
  • How many rooms you have
  • Insulation

Once we have these figures, we will be able to make an informed decision on what size unit will best suit your home.


When you run your air conditioner as often as we do in Arizona, efficiency is everything. An efficient unit will pay off significantly in energy cost savings. Luckily, the HVAC industry is aware that consumers want efficiency and have made some significant advancements over the past decade.

Efficiency is measured by a unit’s Seasonal Energy Efficiency Rating (SEER). The U.S. Department of Energy has established SEER 13 to be the minimum rating for an air conditioner. The rating scale goes all the way up to 21, with most high-efficiency units falling between a rating of 16 and 19.

Many of these newer units are also “smart” and can be installed with a programmable or smart thermostat. These thermostats enable you to create a schedule for your unit so that your air conditioner isn’t running at maximum capacity all day. You can set it to run around your work schedule so that your energy usage is reduced but your home remains comfortable. Smart thermostats go one step further to learn your habits so that it can advise best how best to use your energy. You can also access control to a smart thermostat from your phone for ultimate convenience.

Schedule Air Conditioner Replacement in Tempe

We work with top brands in air conditioning to bring you the best products to keep your home cool and comfortable. These brands include:

We will work with you to find the best air conditioner for you and your home’s unique needs. The most important element in any air conditioner installation is that the technician has the experience and skills you need-—and you can count on Shamrock to get the job done well!

Call us at 480-439-0016 to schedule AC replacement services in Tempe now!