HVAC Frequently Asked Questions

What is the SEER Rating?
The SEER (seasonal energy efficiency ratio) is how the efficiency of your heating and cooling equipment is measured. The SEER is the amount of cooling your system will deliver per dollar spent on electricity, as compared to other systems. For example, a 3-ton unit may have a SEER efficiency rating of 13, 14, or 15. The higher the SEER the more efficient the system will be. The SEER rating of any given unit can range anywhere from 13 to 21.
Why is the SEER rating on the Energy Guide different than what my dealer quoted?
Each split system cooling unit has a nominal SEER rating. This rating can be increased with the upgrade of the same series indoor unit. The SEER rating of a system is based on the combination of equipment installed in the home. The outdoor equipment (heat pump or air conditioner), as well as the indoor equipment (evaporator coil and furnace, or air handler), play a vital role in the total rating.
Why should I have regular (or preventive) maintenance? And how often should I have it performed?
Your heating and cooling systems work incredibly hard to perform their functions for your home everyday. The constant stopping, starting and continual operation can wear down any machine if the proper care and maintenance is delayed. However, by performing regular maintenance, you can maximize the lifecycle of your heating or cooling unit and guard against many common equipment failures. Preventive maintenance inspections performed on a regular basis can uncover leaks, rust, rot, soot, frayed wires and corroded electrical contacts. You should have maintenance completed on your system regularly to ensure maximum efficiency and prevent possible problems that may occur in the near future.
What equipment requires regular (or preventive) maintenance?
Heat pumps and air conditioners require a professional tune-up twice a year; in the spring and fall. Inspections on boiler and furnace systems should include ductwork, pipes, dampers, valves, the chimney, registers, radiators, pumps, blowers, fuel lines, oil tank and every part of the actual furnace and boiler. Meanwhile, heat pump and air conditioning unit inspections should also include inspections of the fan, compressor, indoor coils, outdoor coils, and refrigerant lines.
I need help troubleshooting a problem with my equipment.
As your local Trane dealer, Oasis Air Conditioning & Heating is your troubleshooting expert, and is glad to help you. In addition, Trane also provides a network of troubleshooting technicians at Trane Distribution centers across the country which Oasis Air Conditioning & Heating will utilize to address your concern. Should we encounter a situation that requires additional factory help, we will contact our factory supported Service Manager(s) for assistance.
What are the advantages of a programmable thermostat?
Since they are electronic, programmable thermostats are more accurate and efficient than thermostats that contain mercury. With programmable thermostats you can control the temperature in your home at different times of day without ever touching your thermostat. Because everything is automatic, you will never forget to change the setting on your own.
What type of filter should I use? And how often should I replace it?
Standard filters work to keep your system and its ductwork clean, but they don’t really improve indoor air quality. To do that you need a media air cleaner. The media filter rests between the main return duct and the blower cabinet and will improve dust and particle removal up to seven times that of a standard filter. However, upgrading to a pleated media filter will remove everything from dust to airborne viruses from the filtered air. Always choose a filter that matches your blower’s capacity. For optimal efficiency and filtration, we recommend that you replace your disposable filters at least once a month. If you have washable filters, they should be cleaned once a month.
Why can't I find the correct size furnace filter at my local home improvement store for my Trane Brand Equipment?
Filters for your Trane unit are made from higher-quality materials than those of the disposable filters found in retail stores. For that reason, replacement Trane filters can only be purchased through a Trane dealer. However, keep in mind that some Trane filters are reusable, and can be washed by hand in cold water.
Where can I get parts for my Trane equipment?
As a Trane dealer, we are the best resource for identifying and supplying the correct, current parts for your system, as well as pricing and availability.
Which Trane equipment will best fit my home?
There are many factors that affect the sizing and specifications of your system, including square footage, insulation, window surface and configuration, geographic location of your home, duct sizing and arrangement, and many others. Oasis Air Conditioning & Heating can perform an in-home load analysis to determine which equipment combinations will perfectly suit your home and your family’s needs. Depending upon the construction of your home, one (1) ton of air conditioning can cool anywhere from 300 to 800 square feet of home. The only way to ensure the size of the system you purchase will be large enough to heat or cool your home, but not any larger than you need, is to have your home’s individual heating and cooling needs evaluated by a licensed professional.
What does my warranty cover?
Under the standard factory warranty, Trane covers parts that fail during the warranty period due to defect in the part. The warranty does not cover labor. A warranty certificate was included with your homeowner information packet, and is specific to the model numbers, serial numbers and installation dates of your products.  All Trane equipment that we install is registered with Trane Corporation to ensure your 10 year parts warranty.  If you cannot find your warranty certificate, Oasis Air Conditioning & Heating will also be able to provide you with that information. With a Oasis Air Conditioning & Heating Total Comfort Plan, you’ll have a ten year parts and labor warranty on your Trane equipment.
What is the life expectancy of my unit?
Dependable Trane products are among the longest lasting heating and cooling products available. For your specific equipment, there are many variables that affect life expectancy, including, of course, the regularity of routine maintenance.

Customer Reviews

Mark Anderson
00:29 09 Jul 21
100 % satisfied! Michael was a wonderful representative for the company. The installation was very quick and we love our new air conditioning system! Highly recommended.read more
Marijane Milton
20:21 25 Jun 21
Had a mini split fail while under warranty but the manufacturer had discontinued the model. Paul (the owner) got personally involved and in his time installed a new unit from a different vendor. Fast. Professional. Kind. Great technicians. Lifetime customer.read more
Roger Bowton
02:32 24 Jun 21
The techs that installed the new ac ,Javier ,Isacc and Noel were without a doubt the best I have been associated with. I have built three homes and remodeled several others and have never encountered such pleasant, knowledgeable and efficient people. They were timely and had no problem with procedure. Teamwork was outstanding. I would recommend that crew to everyone! Brandy was also an intricate part of the process. She handled sale, scheduling and programming with a smile and made herself available for all of our needs. Oasis should be extremely proud of a crew such as this. Roger Bowtonread more
james lagattuta
18:44 28 May 21
I just had the ac/heating unit replaced at my home by Oasis. They were competent, timely ,clean and professional. From the office staff (Jasmine) to the work crew (Paul and the boys) they performed every detail brilliantly. I would highly recommend Oasis for any of your service needs.read more
Lawrence Labbe
18:11 20 May 21
Everything about dealing with Oasis was first rate. Brandy was a pleasure to work with. She was very knowledgeable about her products. We signed the contract for one system and when she found out that it wouldn't be available she gave us an upgraded system for the same money. The installation team of Issac and Noel were top notch. They were neat, competent and very personable. Deal with Oasis-you won't regret it.read more
Alyce Sanders
19:28 19 May 21
Ian was on time found the problem right away 1 1/2 hours and we be cool! If you need your system repaired look no further. Oasis is the best!!read more
Sheila Austin
17:07 02 Apr 21
Great people. Great service. I bought a new unit from them and I love it. They gave me a great dealread more
Otto Carr
16:16 24 Mar 21
I cannot imagine having a better experience than the one we had with Oasis Cooling and heating. Brandi was well versed in heating and cooling and listened very closely to our every question and made pertinent suggestions. The installation crew was on time, courteous and always professional. David and Javier did a thorough job on our ducts that were over due for cleaning. I recommend Oasis in all respects without hesitation.read more
Patricia Happel
22:49 06 Mar 21
David and Javier cleaned all of the ducts and vents including the dryer. They did an excellent job and were so very neat and respectful of my house. Great attitudes and very happy too. I highly recommend them as a team.read more
Vicki Hibberd
15:35 05 Mar 21
We had our ducts cleaned along with the dryer vent by David and Javier. These guys are very professional, they have a great sense of humor and made the experience very pleasant. Our system was recently replaced and Oasis has taken care of us thru the entire process. Oasis visits twice a year to service and inspect our Heating/Cooling systems. We highly recommend them. Very efficient and hard working group. Try them, you will be pleased you did. Rich and Vicki Hread more
Sharon Walker
21:39 23 Feb 21
Oasis is simply amazing! Courteous, prompt, thorough, good quality equipment and great communication! They get the job done right! Who else vacuums your floors throughout the entire house after cleaning the ducts!?? Highly recommend Paul & all his staff at Oasis Heating & Cooling! Thank you for a job well done!read more
Roza Adams
04:49 17 Feb 21
Fast service! Very professional! Affordable price! Definitely will call them back as I have few rental properties.read more
Dave Sal.
17:53 16 Dec 20
Oasis is A Top Quality Family Owned Business that does quality work with quality products. They are very professional, reliable, and knowledgeable about their business and products. We would recommend this company to anyone needing or experiencing Heating/Cooling issues or Hot Water Heaters! They are Great, Friendly, Courteous, and Affordable.read more
Margaret McLaughlin
16:25 10 Dec 20
Oasis provided all the information we needed to choose the right product for our needs. They went above and beyond to make certain that work was completed in a timely manner keeping us informed every step of the way in the process. We hardly knew they were here and left our home looking better than before the installation! Great job!read more
Claudia Fleming
18:03 25 Nov 20
Great service from Oasis tech this morning! Jesus was as professional and courteous as all the techs have been since I started using Oasis for maintenance in 2017. He performed my semi-annual service with the usual skill and care I have come to expect from this local family owned business. Jesus even took the time to wipe down the duct registers to ensure a clean start for turning on my heater. My highest recommendation for this fair and trustworthy company. Claudia Fleming, Green Valleyread more
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