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What Every Homeowner Should KNOW Before Purchasing a New AC Unit

Let’s face it, for the vast majority of homeowners, we know that installing a new AC unit is not a do it yourself, weekend warrior job.  So, before you call an expert, it’s important to educate yourself as a consumer in order to make the right choices for your family’s comfort.

Understanding the Right Size

In many homes, the existing system is oversized due to the fact that the owners have made improvements to make the home more energy efficient through time.  For example, adding double pane windows and insulation to a home means that the unit that was previously properly sized is now oversized.  Units that are too large will cycle on and off frequently.  As a result, there will be swings in room temperature and the unit will not remove sufficient humidity from the home.  This process wastes energy and also increases the chance the unit will fail before its time.

On the other hand, units that are too small can also increase the likelihood of a breakdown as well.  The too small unit must work harder and stay on longer than a properly sized one.  As the days grow warmer, the unit may not have enough cooling capacity to cool the home sufficiently.

How to Determine the Right Size

In order to select the correct size of air conditioner, contractors should refer to Manual J.  The software considers several factors in choosing the right sized unit.  These include the orientation and size of the home, the amount of insulation, the home’s windows and the number of people living in the home.  In addition, the contractor should refer to Manual D, a companion to Manual J that helps if ductwork changes will berequired during the installation.

By referring to these calculations as well as other factors, the contractor can determine the proper cooling load for the home.  Determining the cooling load is the only correct method to choose the correct size for the home’s new AC system.

Consumer Alert:  Ask your Air Conditioning Professional “how did you determine the size unit that my home needs?”  If the contractor says they use the BTU figure or the square footage of the home, they are not including all of the factors needed to make a sound recommendation.  It’s time to get a second opinion before making a commitment to buy.

Installing the New AC System

While do-it-yourself homeowners may consider making the installation of the new system for themselves, this is a job that should be left to the qualified contractor.  Even if the homeowner does part of the job for himself, a contractor is still needed for:

Charging the system with refrigerant.  The law requires EPA-certified technicians for handling this chemical.  If an old system is being removed, a contractor must remove any R-22 refrigerant from the old system and process it per EPA regulations.

– Connection of the unit to the circuit panel and any other high voltage electrical wiring.  The contractor must also verify the current electrical system meets the demands of the new home AC system.

– Inspection of the installation.

– When it is time to have the new home AC system installed, the compressor should be installed in a shady place, preferably on the east or north side of the home.

-Manufacturer warranties are typically contingent on the equipment installed by a certified & licensed contractor.

The purchase of a new Comfort System is a large investment and it is worth choosing a qualified professional to help guide you in making the choices for your home that are designed for how you live and using the highest industry standards.

Hobaica Services has been serving Arizona since 1952 and has a stellar reputation for performing above industry standards, providing a worry free experience and enjoying hundreds of referrals every month from customers who have trusted our team for over 60 years.

Contact Hobaica Services today for your FREE comfort evaluation @ www.hobaica.com or 602-995-0387

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Check Out Our Reviews . . . From Neighbors Near You

Curt Lauwers
Curt Lauwers
01:20 29 Jul 21
Simon Peterson was my service technician. Very impressive young man. He explained everything first, did the work and gave me suggestions of what I could do in the future to extend the life of my unit. No high pressure, no bs. I highly recommend Hobaica and Simon for A/C repairs.
Ellen Battilana
Ellen Battilana
00:36 28 Jul 21
Loved the Hobaica service! Steven A. was the technician and I can't say enough great things about him. Called when he was on the way to my house (on-time as promised), very friendly, polite and explained exactly what happened and what he was doing to fix it. Super customer service!! HIGHLY RECOMMEND this family owned, local business.
ardy rinki
ardy rinki
00:17 28 Jul 21
Very good service providedVery punctual and completed the work in a timely mannerExplained the work that needed to be done and did a very good job fixing the problemVery good service in overall
Roger Freeman
Roger Freeman
22:05 27 Jul 21
Ryan performed the work on time with great efficiency.
Sita Cooney
Sita Cooney
18:58 27 Jul 21
Gave clear and concise information about my AC problems; gave solutions at various costs & warranties, and was professional and courteous throughout the exchange. I didn’t feel pressured and I feel very confident as a long-time customer.
Barbara Everst
Barbara Everst
13:38 27 Jul 21
Great service, on time and friendly. I love the peace of mind from the regular maintenance for my air conditioner and will ask for Tom again next time
Lou Stahl
Lou Stahl
19:22 26 Jul 21
I had a leaky faucet and, because our regular plumber was out of town, called Hobaica because they have serviced our AC/heating units for years and I knew I could trust them to do plumbing work, too. Ryan Waters came over in just a couple of hours and quickly diagnosed and fixed the problem. I would recommend him to anybody who needs an honest and efficient plumber.
Mark Rafferty
Mark Rafferty
17:53 26 Jul 21
Melissa in scheduling was FANTASTIC! She was very knowledgable and experience on how to get your Technicians out to our house that had no AC! Melissa and Hobaica are HIGHLY RECOMMENDED!Your Technician Jacey M was FANTASTIC! Very knowledgeable about the issues at hand and how to fix properly. He and Hobaica are HIGHLY RECOMMENDED. A+++
Ronald Rhoades
Ronald Rhoades
09:02 26 Jul 21
I quote Rev Rick Lewis at his request to relay the following information:I want to thank Scott Dale and Hobaica for outstanding service on my ac repair. Scott was veryProfessional,knowledgeable and pleasant. The job was completed in a very timely fashion and IAm very happy to commend both Scott and Hobaica, Thank you! Rick Lewis, Phx AzI Ronald Rhoades did have similar AC problem that Scott Dale fixed on short notice on a hot 115 deg.day and referred him to Rev Lewis when he called me about his AC outage. Thanks again to Scott and Hobaica service!

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