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Signs Your Air Conditioner Needs Maintenance


Written on March 27, 2024.
Posted in .

Schedule service with one of our expert heating & cooling technicians.

When unfamiliar hums disrupt the usual hum of your AC unit, or your energy bills inexplicably climb despite your cautious use, it’s a wake-up call that maintenance is overdue.

The comfort of your home hinges on the smooth operation of your air conditioner, yet signs like uneven cooling, peculiar smells, persistent leaks, or the unit’s struggle to maintain the desired chill are red flags you can’t ignore.

Unusual Noises Coming From Your AC Unit

As your air conditioner goes through its cycles, paying close attention to its sounds can reveal crucial insights about its health. Unusual noises emerging from the AC unit, far from being mundane, signal a plea for maintenance or repair.

Identifying whether these sounds resemble a banging, buzzing, or whistling lays the foundation for understanding potential issues.

Reflecting on the last time your system received a thorough check-up can highlight whether these noises are routine wear and tear or indicators of a more serious problem. These cues serve as vital signs from your cooling system, urging immediate attention to prevent further damage or inefficiency.

Identify if It Is a Banging, Buzzing, or Whistling Sound

Discerning the specific nature of sounds emerging from your air conditioner is akin to unraveling a mystery that could save your system from potential breakdown. A banging sound often points toward loose or broken parts inside the condenser unit, something a skilled technician needs to address to prevent further damage. Conversely, a buzzing noise might indicate electrical issues or a problem with the air filters, while a whistling sound could be a sign of a duct leak, compromising the efficiency and performance of the air conditioner.

Understanding these audible clues is crucial in maintaining the health and longevity of your air conditioning system. Each sound, be it banging, buzzing, or whistling, signifies a different underlying issue, signaling the need for immediate inspection and maintenance. Early detection followed by professional intervention from AC Plus Heating & Cooling can not only restore your AC’s performance but also extend its service life, ensuring your space remains comfortable irrespective of the season.

Increase in Energy Bills Despite Regular Use

Observing a rise in energy bills without a corresponding increase in usage often waves a red flag regarding the health of your air conditioning system. It’s a tangible indicator that something within the system might not be functioning as efficiently as it should.

This uptick in costs, especially when compared to previous months or even years, can serve as a crucial prompt to assess the system’s efficiency.

A decrease in how effectively your air conditioner cools your home not only strains your budget but also puts undue stress on the unit itself, potentially shortening its lifespan.

This situation underscores the importance of closely monitoring your energy bills alongside your AC’s performance to identify any discrepancies that may hint at the need for maintenance.

Check if There Is a Noticeable Decrease in Efficiency

Detecting a decrease in your air conditioner’s efficiency can often start with acknowledging that rooms in your house take longer to cool down than they used to. It becomes evident when the air conditioner runs continuously, yet the desired temperature seems like a distant dream, signaling a clear call for professional maintenance.

Your Home Doesn’t Cool Down as It Used To

Experiencing a diminished cooling effect in your home can be both frustrating and indicative of an ailing air conditioner. If you notice that some rooms remain stubbornly warm while others are comfortably cool, suspect an uneven distribution of airflow, hinting at potential blockages or system imbalances.

Check the Thermostat Settings and Performance

An often overlooked culprit behind an inefficient cooling system is the thermostat. Incorrect settings or malfunctioning units can lead to excessive energy consumption and a noticeable decline in home comfort. Ensuring your thermostat is accurately set and functioning properly is a quick first step toward troubleshooting cooling issues.

Advancements in thermostat technology, like programmable or smart thermostats, offer improved control over your home’s temperature and energy use. If your home struggles to stay cool, evaluate your thermostat’s performance or consider upgrading to a more efficient model. Such a change could significantly enhance your air conditioner’s effectiveness and reduce operating costs.

Strange Odors When AC Is Running

Turning on the air conditioner only to be greeted by strange odors can be unsettling and is a telltale sign that your system needs a closer look.

These smells, far from being mere inconveniences, are often indicators of underlying issues within the unit, such as mold accumulation or electrical malfunctions. Distinguishing whether the odor is musty, suggesting the presence of mold, or has a burnt quality, hinting at potential electrical troubles, is crucial.

Proactively inspecting the unit for visible signs of mold growth or evidence of burning can prevent further damage and safeguard your home’s indoor air quality.

Determine if the Smell Is Musty or Burned

Determining the specific nature of odors emanating from your air conditioner is crucial for identifying the underlying issues. A musty smell typically suggests the presence of mold within the system, which not only affects the unit’s efficiency but also poses a health risk. On the other hand, a burnt odor could signal electrical problems, posing a serious safety hazard that requires immediate attention.

Acting on these odors promptly can prevent further complications, ensuring your air conditioning unit continues to operate safely and effectively. While a musty smell necessitates a thorough cleaning to remove mold and improve indoor air quality, a burnt scent demands a professional inspection to address any potential electrical issues before they escalate.

Frequent Cycling or Never Reaching the Desired Temperature

Noticing irregular patterns in how your air conditioning system operates, such as frequent cycling or an inability to reach and maintain the set temperature, can be warning signs of underlying issues requiring immediate attention.

When an AC unit turns on and off more often than usual or struggles to keep the household at a comfortable temperature, it reflects inefficiencies within the system. Understanding these operational quirks is crucial for determining the need for prompt maintenance, safeguarding against more significant and costly repairs down the line.

AC Plus Heating & Cooling is Here for You!

Paying attention to the signals your air conditioner emits is crucial for its efficiency, longevity, and your comfort. Strange noises, such as banging, buzzing, or whistling, indicate various potential issues ranging from loose parts to duct leaks that necessitate professional attention.

An increase in energy bills despite regular use or a noticeable decrease in cooling efficiency signals that the system is not operating as it should. Also, if your home doesn’t cool down evenly or certain rooms remain warmer than others, it may point towards airflow blockages or thermostat issues requiring assessment.

Addressing these signs promptly through professional maintenance with AC Plus not only restores your air conditioner’s performance but also prevents costly repairs, extending the system’s service life and ensuring your home remains comfortable and safe.


Written By Matt Postoian

Matt Postoian has been in the HVAC industry for over 20 years and is dedicated to providing homeowners in Southern California with total home comfort.

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Awesome service..installation went smoothly..I went with electric a/c and electric heater due to just getting solar panels. Thank you for all a great job.
Kris
1718237471
As always, AC+ showed up on time, diagnosed the problem & fixed our air conditioner quickly. You can’t get better service
Judy S.
1718218871
Scott did a wonderful job for today's adventure he got the pump working in no time at all
Hortencia A.
1718152713
I very much appreciate the work that was done, very professional helpful they pick up after and cleaned up after the job was done.
Kumi 2
1718150470
He did a thorough inspection and is very experienced. Definitely would use him again
paul C.
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Shawn one of the technicians came out and got everything working right again. Can’t thank them enough! Shawn was a very nice guy and very knowledgeable he didn’t mind teaching me more about my system when he was here and walked me through what he was doing every step which was awesome!
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The name on this address is Nancy ShortExcellent Service and very polite!
Maria S
1718041152
Brandon was very respectful, courteous and kind. He explained everything to me in a way to understand. Very knowledgeable. All in all everyone was very great from scheduling first appointment, loan application and next scheduled date and time. With gratitude and appreciation. Thank you!
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Brandon was super friendly,extremely helpful. So great to have experience his expertise.
Jeffrey D.
1717806820
AC Plus has always provided fast, convenient, quality service. They are simply the best in the high desert. Technicians always explain exactly what they have done, and make recommendations to keep the system running efficiently.
Robert Z.
1717793583
Wonderful company and Brandon was a wonderful technician! Definitely will call for any future repairs.
Robert Z.
1717793517
Wonderful company! Fast service and Brandon was great technician! Very communicative on every step he took to fix the AC! Definitely will be calling for any future repairs.
Marjorie B.
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Very satisfied with initial service call and installation of new unit.
Olga P.
1717786051
I had an air conditioner installed on Monday and they were very professional and efficient. We are very pleased with their work.Thank you 👍
Don H.
1717784215
Technician very personable and efficient. I felt I got my money’s worth and he didn’t waste my time. Knew what he was doing.
Wanda S.
1717774326
Sean arrived on time and called ahead when on the way to my home. As usual, very kind and helpful with addressing my concerns regarding the freon level in the HVAC system they installed in March of 2024. It turned out everything was fine and working properly. AC Plus & Air is my go to company for HVAC needs. I couldn't ask for better service.
Charlene C.
1717727786
Great customer service!! Scott sure knows what hes doing! Hes quick,efficient and great customer service!! He deserves a raise!
Sherri K.
1717721965
The gentleman that came out was very friendly and professional. He gave us several ways to go to resolve the issues with our A/C unit. I would highly reccomend.
rosa O.
1717721512
We have done business with A/C plus in the past and that is why we chose to contact them for service at our other property. We are pleased with the work done at our residence.
Jeanine N.
1717716387
Very friendly family oriented and helped us by walking us through the finance process...I already knew I needed ac system since it is 22 years old...just got solar so I went with all around electric for ac and heater.
Dominique P.
1717707429
Matt was very knowledgeable and patient when explaining everything regarding my AC unit issues.
Debra F.
1717696336
Scott was very personable and professional, he did a great job on our air conditioning tune up! See you in the fall!
Bill G.
1717632811
They installed a new Bosch AC and Heating unit in my Upland home. The crew was prompt, courteous and professional. Showed up on time and completed the job on time.
Joe R.
1717630837
OUTSTANDING PROFESSIONAL S
Natasha P.
1717628505
This A/C company is awesome, 5-stars all around. They come out very quick and great pricing.
Joe R.
1717619704
Outstanding Service!Amazing Professional!Consistent, Knowledgeable &courteous!
ralph C.
1717618700
The workers showed up as arranged, did the work carefully and cleaned up after they were finished. We were very happy.
John K.
1717615319
Your Technician was here for the summer AC service. He was friendly and knowledgeable so we are very pleased with the service today.
Alejandra C
1717610272
Scott from AC Plus Hearing and Air Conditioning was amazing , professional, and very well educated in regards to our AC home units. Thank you Scott for coming in such short notice and providing us with your expertise.
MammaZ Z
1717606402
Great Service! From the first consultation and getting a quote to the finished job. Everyone at AC Plus Heating & Air were the most professional and nice people. I highly recommend using them for all of your heating and air conditioning needs.
krash c
1717556123
Great service! Will do business with them again.
krash c
1717556084
Great service! Got me up and running with a brand new ac unit without hesitation.
SB Co. Fire Dept. Fire Apparatus T.
1717535547
Brandon was Fantastic, he explained everything in detail on what he was checking and how he was going to check it. Shared with me what he had found, located the part that was going to be needed and cost. We approved the repairs and he did them in a Professional and timely manner that same day. He had completed the motor install and testing of the complete a/c system. He made a few suggested saftey protection upgrades and our A/C, Heating System is working Like New again. Thank you Brandon and AC Plus
Jennie M.
1717525477
Matt was amazing. Great customer service. Was very thorough. I’d recommend him everyday.
Jennie M.
1717524536
Matt was amazing. He has great customer service.Love it!
mike T
1717524337
Scott’s very knowledgeable and a very listener!
John P.
1717501485
AC Plus is "Outstanding"! They did everything they said they would. On time, great products, great value and great people. I will use them again!
Cece X.
1717482205
great Job , quick fix problems ,very professional nice to work withI am very happy to work with this company .
Sabrina E.
1717451668
Outstanding service. The gentleman was quick and a pleasure to talk with. I highly recommend this company. No hidden charges.
Jamie J.
1717451604
Thank you Omar for your speedy service and for getting my system back on and running in record time. #1 in my book 👍
Bigc909
1717445160
Steven was our technician. Very knowledgeable and skillful. Very punctual. Was in and out. Got us up and running before we knew it. Thank you so much! This is how businesses should operate. 100% satisfied
Ismael M.
1717253804
Professional, reliable and trustworthy service. Recommend 100%
Erica L.
1717199398
Steven was extremely helpful and informative. Did full maintenance on my mini split and even offered a good price the other ac units on the property. 5 stars all around!
Allan D.
1717171086
Always on time, and competent.
Adrian D.
1717111974
Sean was very professional, he explained the work he was going to be doing. He gave me an after work repair report. Will be using AC Plus Heating and Air again.
Glenn P.
1717106024
Very professional and personable.
Alexis R.
1717022426
My dryer vent was clogged, I mean CLOGGED from the heavy rain we had been having I assume. This man had to work to get them chunks out and he did awesome! He earned that money. 10/10
Sherie R.
1716963447
I received an estimate, they were very professional and informative.
Cindy S.
1716928279
Thank you, Sean! Both air conditioning units were serviced today. I truly appreciate Sean’s great customer service, he took his time to explain everything and I never felt pressured to make upgrades. We look forward to continuing our AC and heater services with AC+ HVAC.
Fred W.
1716673391
This was the first time I chose AC PLUS.....and boy it was the RIGHT choice. I was extremely impressed with the team and level of customer service. The ladies in the front office were friendly, kind and so very helpful and understanding when I had to make multiple changes to my appointment schedule.When Steven arrived he was very professional and went right to work. Steven knew his job well and took great pride in his work. He carefully explained the process and the results and answered all my questions.If you need your A/C unit serviced do not hesitate to call AC PLUS...you will not be disappointed!
Carlos P.
1716664597
Friendly & perfessional service
Memmem 1
1716509171
Sean was friendly and personable, he told us what he would be doing. He took photos of the unit before and after. He answered all of our questions in detail and explained how the system works. So glad we found a company/senior technician that we can trust. Five stars for excellent service.
Susan D.
1716311674
Scott was very nice and professionalShowed me the pictures he took
david C.
1715556147
OUR TECHNICIAN WAS VERY FRIENDLY AND KNOWLEDGEABLE ABOUT INSTALLING OUR NEW AC SYSTEM. THANKS AGAIN.DAVID CHACON
Mike C.
1715191623
Always enjoy the service I get from AC Plus. I often ask a lot of questions and they communicate effectively to make this old man understand and feel comfortable with what they are suggesting and/or doing.
Gary
1714688274
Technician Brandon provided excellent customer service! He was friendly and efficient, called to let me know he was in his way, arrived on time, thoroughly evaluated and tested my air conditioning system, knows his stuff and was informative. Thanks Brandon and AC Plus!
Charles S.
1714602798
Alway prompt professional service Have used A C plus for over 12 years and everyone is knowledgeable and courteous.
Michael H.
1713823706
Scott arrived on time and cheerful as always. I have been very pleased with AC Plus everytime they have come out to do their regular maintenance on my system. I give them my highest recommendation.
Mary S.
1713280089
Yes was very thorough did a great job
m H
1712949649
Always receive great service. Frim the admin who make sure my schedule is met to the service personnel.Your serviceman really explained what he would do then he explained everything he had done. Tge is on exceptional employee.
Barbara F.
1712704920
Very professional and knowledgeable.
Andrew T.
1712279111
These guys are quick and professional. Highly recommend
Lynne W.
1712091665
Sean has always been on time, great communication and very knowledgeable. Very happy with this company.
Judi L.
1712002039
Professional. Excellent servce
Kenny V.
1711989097
Professional service, very easy to deal with.
sherri H.
1711564554
Scott came to do my Spring maintenance and was friendly and professional to talk with. I’ve been using AC Plus for a few years now and have not had one unfriendly incident whether on the phone or in person.
J B.
1711487794
Kyle was knowledgeable and professional. He was able to explain the nature of what was causing the issue with the heating components.Great customer service :)
Alyssa F.
1711150847
Steven was respectful of our home and was able to troubleshoot the issue with our condenser/transformer quickly and efficiently. We would definitely recommend AC Plus Heating and Air! Thank you, Steven!
Moe A.
1711148484
Timely and professional! Sean was extremely friendly and had excellent communication throughout the whole process. Best estimate I got in the high desert for the work I needed done and answered all the questions I had. I'm extremely pleased with the crews work and cleanliness. I'll always recommend AC Plus heating & air to family and friends.
Juan D.
1711123912
Very good.Brandon was very helpful explaining AC unit was in perfect conditions.
Kevin L.
1711065683
I needed them to install a Z wave thermostat. It’s an unusual thermostat and we didn’t have any luck the first time. But the second time, there worker did a fantastic job of getting the thermostat up and working. He was very easy to work with and did a great job, I highly recommend them.
Donna G.
1710541001
Very informative and quick service.I highly recommend
David
1710353722
I only use AC Plus for all of my HVAC needs. Super trustworthy friendly, knowledgeable and their customer service is great. They are promp and arrive when stated. They are a small business so the prices are cheaper but their knowledge and workmanship are top notch. No need to call anyone else. I've had both condensers replaced and they are working great. No issues.
Mike C.
1669837459
Highly recommended Ac Plus Sam was very nice and very informative and great price .
Nest C.
1635180103
Great service! Very professional and friendly!
Karen
1634688727
Very reasonable, professional and got the heat back on in no time! Thanks!
Arianna P.
1634596836
Everything was easy and quick, from the estimate to the installation.
SW08
1633199328
Very good customer service, Reliable outstanding Serivce I received a call from the technician to notify me there was a cancellation which was outstanding the technician came by and good an outstanding work and explained everything he did with the furnace I would recommend this company to anyone 5 stars
Sanstlwh C.
1633120842
The customer service is excellent both on the phone and the technician Jonathan. Our air conditioner is running wonderfully again! Thanks so much!
Brian V.
1632682714
My air conditioner stopped blowing air through the vents. I knew I had to find an HVAC repair guy fast and I was worried about having some stranger with his hands on my equipment. I did a web search and found AC Plus Heating and Air with many hundreds of 5 star reviews on Google.Omar Amore came to my house and diagnosed and fixed the problem in 20 minutes and it cost me much less than expected. After he performed the work, he spent another 15 minutes with me educating me about the proper maintenance of my air conditioner. He quoted me some pricing on a couple action items to do next spring to keep my unit in good working order.Omar struck me as honest and thoughtful. I will use this company again for all my heating and air needs.
Richard M.
1632514164
The service tech was on time, polite, and attentive.
Edward S.
1632511078
Amazing experience with Sean coming out to view our property. Had a few concerns which we addressed and he also went above and beyond by replacing and fixing certain parts of the AC we were unaware of. Definitely will be using this company in the future.
Jennifer M.
1631839210
Our AC died Tuesday night, we called Wednesday morning and they had a new unit up and working by Thursday afternoon. Very friendly and professional.
Kris F.
1631577301
A/C went out and they came to help the 1st thing after the weekend! Very friendly, professional and prompt!
Virginia J.
1631236907
The tech called to say he might be early, then called again once he was on his way. The job was hard to get to, but he persevered and got the job done!
Robert G.
1631229084
Called AC Plus for AC service. They were very courteous and professional on time for my appointment, Jonathan service tech showed up diagnose the issue, and had my house AC up and cooling fast!
Marco A.
1631135651
The staff at AC PLUS where amazing friendly and courteous. The technician Sean was very honest, friendly and kept us informed of what was going on till the very end. I HIGHLY RECOMMEND THIS COMPANY. A+ RATING in my book. Thank you for the service AC PLUS.
Jeff M.
1630089203
Our AC unit failed yesterday. Of course, it has been over 100 degrees the last few days, so we were concerned. Called AC Plus this morning and they had it up and running again by 11:00am today! Jonathan was great and explained everything to me, answered all my questions. We will be calling them again if we ever have any problems. The woman that answered the phone there this morning was also very helpful and pleasant to deal with. Thank you AC Plus!
Chris O.
1628985378
Dogs were trying to get a squirrel and smashed the freon line flat. Omar came out and took care of the situation quickly and professionally much appreciated.
Rosanna R.
1628633307
Everyone that works for this place is very friendly, efficient, caring and keeps you informed of when they will arrive. Air conditioning is up and running. Thank you 😊
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