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Frequently Asked Questions

When substituting the outdoor unit, should the indoor unit also be replaced?

The answer is, most likely yes. Here's why.

Matched System Design: All air conditioner and heat pump outdoor units are specially constructed to work with a matched indoor unit for ideal efficiency and performance. The outcome of this matched equipment is a harmonized, top-performance team that ensures dependability and efficiency. Air conditioner and heat pump outdoor units may ”operate” with indoor units other than those for which they have been specifically fabricated; however, the outcome would be a definite compromise in system performance.

Design Advances: As research has improved, indoor blower coil units have undergone many design advances — especially in the areas of air handling performance, filtering efficiency and operating sound levels. An up-to-date outdoor unit will also comprise the latest design advances.

Higher Cooling And Heating Efficiency: The cooling and/or heating efficiency ratings that are presented for an air conditioner or heat pump are based on their performance as matched systems. While changing only the outdoor unit may give you improved efficiency compared to the old system, but efficiency will be lacking from what it was designed to be, and your savings will be less than with a matched system.

Equipment Age: If an air conditioner or heat pump is 10 years old or more and is ready for replacement, the indoor unit is likely just as old and has been subjected to the same amount of constant operation over the years. Substituting both units means you won't have to change the indoor unit in a short time period… you'll have many years of efficient service with both units.

New Warranty: A new system also provides you a new product warranty. Substituting the indoor unit simultaneously with the outdoor unit results in peace of mind, knowing that the new warranty covers the entire system for the same period of time.

A Bargain: At first glance, substituting only the outdoor air conditioner or heat pump may appear to be a savings. But, when you consider the lower cooling and heating efficiencies, decreased reliability and high cost of ownership that results, it's not such a bargain. Replacing an entire system may cost more, but you get much more efficiency, reliability and comfort for years into the future.

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Serving These Communities and More
  • Anthem
  • Avondale
  • Buckeye
  • Carefree
  • Cave Creek
  • Chandler
  • El Mirage
  • Gilbert
  • Glendale
  • Goodyear
  • Litchfield Park
  • Mesa
  • Paradise Valley
  • Peoria
  • Phoenix
  • Scottsdale
  • Sun City
  • Sun City West
  • Surprise
  • Youngtown
Bob Brown Service Experts Heating & Air
10020 Santa Fe DriveSun City, Arizona 85351
Sales and Service: 623-243-4517
Employment Inquiries: 623-979-8422
Email: bobbrown@serviceexperts.com
License # ROC 277059
About Bob Brown Service Experts Heating & Air
Service Experts Heating and Air Conditioning was established with the understanding of providing customers with the best heating and cooling practices in the industry. Since its foundation, Bob Brown Service Experts in Phoenix has been faithful to our region, providing the top of the line HVAC (Heating, Ventilation, Air Conditioning) products and services in the area. If you would like to more information about your regional HVAC leaders, you can reach us at 623-243-4517 or schedule an appointment with us through our website.
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