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AC Maintenance

Call Top Flight Heating & Air for same-day heating & cooling service!

  • Flat-rate, transparent pricing

  • Locally owned & operated business

  • Fully licensed, bonded, and insured

Top Flight Provides Air Conditioning Maintenance Services & Solutions


If you want the ultimate in home comfort, it makes sense to install an air conditioning system that can keep your space cool even on the hottest summer days. However, investing your money into AC unit replacement isn’t actually cost-effective unless you take the necessary steps to protect your unit long-term — and the best way to keep your unit running is with Top Flight Heating & Air’s air conditioning maintenance services in Sussex County, DE!

As Sussex County’s most trusted AC maintenance company, we know our way around all things HVAC. From performing routine maintenance on heat pumps to replacing faulty HVAC systems, our team can do it all — even in an emergency. Learn more about our work below!

Delaware’s Neighborhood Air Conditioning Maintenance Professionals

Are you native to Delaware? Chances are good that Top Flight is right in your backyard. Our AC maintenance professionals provide AC tune-ups and other air conditioning maintenance services in Sussex County, DE, for homeowners throughout these DE communities:

  • Milton
  • Lewes
  • Rehoboth Beach
  • Milford
  • Millsboro
  • Georgetown

 

Repair man servicing an AC outside

 

Air Conditioning Maintenance Services in Sussex County, DE

Just like your automobile, your air conditioning system requires routine maintenance. And there’s no better team to trust for the job than Sussex County’s top HVAC company!

We provide all types of air conditioning service and can work with any and all HVAC systems, including everything from older HVAC units to brand-new state-of-the-art ones. Whatever your cooling unit needs may be, our Sussex County team can get the cool air flowing again.

During each tune-up, our reliable heating and air technicians will clean and lubricate the components of your AC unit, ensuring that it runs smoothly and efficiently. We’ll recalibrate faulty thermostats, check your unit is operating safely, and install a new AC filter or clean your current filter so that your indoor air quality remains healthy. Our technicians can also recommend system repairs or new system installation as necessary.

The Importance of Routine Air Conditioning Tune-Ups

If you’ve never invested in air conditioning maintenance services in Sussex County, DE, you’re missing out on an ample opportunity to improve the lifespan of your HVAC unit and keep it working properly for as long as possible. Routine AC system maintenance is crucial because it offers these (and more) benefits…

Improved Energy Efficiency

If you aren’t having our expert technicians service your home’s cooling systems, you’re probably paying too much for cool air. A well-maintained air conditioner unit uses less energy to cool your home, significantly lowering your energy bills. In addition, an HVAC system that performs at its optimal capacity doesn’t waste refrigerant or cooling energy, which means you can count on it to reliably keep your Sussex County home cool.

Increased Equipment Lifespan

Regular maintenance services from an AC professional can help extend the lifespan of your AC system. By catching small problems early on and scheduling minor repairs before they become major issues, you can avoid costly emergency repairs or even premature replacement of your unit. Anyone who’s had their AC break down in the middle of a hot summer night already knows that a cooling emergency is no joke. Adding many years to the service lifespan of your system helps you avoid emergency breakdowns, which can wreak havoc on your everyday life.

Improved Indoor Air Quality

A dirty or clogged air filter can reduce indoor air quality and cause health problems for those with allergies or respiratory issues. During a tune-up, our heating and air conditioning technicians will replace or clean your air HVAC unit’s filter, improving the air quality in your home. Having your air filter regularly replaced will also put less stress on your system, which means you’ll require HVAC services less frequently.

Peace of Mind

Knowing that your central AC unit, heat pump, or other system has been professionally inspected and maintained by our technicians will give you peace of mind during hot summer days when you rely on it most. You’ll have confidence that your HVAC system is working properly and won’t break down unexpectedly or cause a comfort emergency.

Signs Your Air Conditioner Could Use a Tune-Up

Knowing if your air conditioner needs emergency repairs is usually simple, but it’s not always as easy to notice when your system could use maintenance services. Here are a few signs that your air conditioning unit might need tune-up services from our Sussex County professionals:

Poor Airflow

If you notice weak or inconsistent airflow from your vents, it could be a sign that your air conditioning unit needs maintenance. During your tune-up services appointment, one of our experienced technicians will inspect and clean the components of your system to ensure that air is flowing freely.

Air Conditioning Unit Blowing Warm Air

If your air conditioner is blowing warm air instead of cool air, there could be several issues at play. The cause of the heat is often low refrigerant levels, dirty coils, incorrectly programmed thermostats, or other common problems that can be addressed during routine HVAC services. We can also assess if your cooling system needs emergency repairs or should be completely replaced. If you aren’t sure what you are looking for, our HVAC services team is happy to help you select the most efficient heat pump or mini-split system for your needs.

Unexpected Noises

Unusual sounds coming from your air conditioner, such as rattling or banging, often indicate loose parts or other mechanical issues. If this HVAC emergency is happening to you, get in touch with us ASAP. Our affordable routine HVAC services can help you identify and fix these problems before they become more serious.

Unpleasant Odors

Does it seem like something died in your air conditioner, and the smell gets more pungent every week? Foul smells coming from your vents could mean mold or bacteria has grown inside your AC unit. Professional cleaning during a tune-up or emergency appointment can eliminate these odors and improve indoor air quality. Once your unit’s clean, we’ll follow up with a new filter installation to restore that “fresh” feeling once again.

Higher Energy Bills

If you’ve noticed an increase in your energy bills without any changes in usage habits, it could mean that your AC unit is working harder than it needs to due to inefficiencies caused by a lack of maintenance. If you’re interested in saving the maximum amount of money, our Sussex County cooling experts can also recommend efficient unit installation (such as heat pumps or mini-splits).

Air Conditioning Maintenance FAQs

Have questions about AC maintenance? We’ve got answers! Check ’em out below…

You should schedule AC maintenance twice per year. Book HVAC maintenance in the fall and spring to keep your unit working correctly during summer and winter.

More Than Just AC Tune-Ups!

We’re more than just air conditioning maintenance professionals here at Top Flight! To earn our stellar reputation in HVAC, our AC maintenance company offers much more than just air conditioning tune-ups. If you use any type of HVAC unit in your house, chances are we install, replace, or maintain it! Here are some of our other specialties:

Overdue For a Tune-Up? Call Our Air Conditioning Maintenance Company Now

Homeowners throughout Milton, Lewes, Rehoboth Beach, Milford, Millsboro, and Georgetown, DE, count on Top Flight as their Sussex County air conditioning maintenance company. Want to experience our prompt and affordable air conditioning maintenance services in Sussex County, DE, for yourself? Contact our AC maintenance professionals online or by phone anytime, and we’ll be there right away. We’re always happy to help keep your home and family comfortable year-round!

Frequently Asked Questions (FAQs)


How often should you have AC maintenance?

You should schedule AC maintenance twice per year. Book HVAC maintenance in the fall and spring to keep your unit working correctly during summer and winter.

What maintenance does your AC unit need?

Typically, each air conditioning unit needs different treatments depending on its wear and tear and lifespan. However, every unit needs a yearly check-in and tune-up. No matter what type of system you have, we will thoroughly clean it, including all coils, filters, and other important components.

How can I maximize AC efficiency?

The best way to maximize AC efficiency is to clean your system thoroughly. This way, every part functions at its prime.

Dirty or old air filters are a common culprit when AC units stop working at maximum efficiency. This is especially true if the filters have gone several years without being cleaned or have too many pleats for filtration. Our team knows how to choose the best filters for your unit and your personal needs, so give us a call today!

Do I need a yearly refrigerant top-up?

Most of the time, leaks result in needing refrigerant faster than usual. Therefore, if you constantly need to top up your refrigerant, you might have a leak on your hands. This depletion of refrigerant acts as a sign to call a technician to stop the leak at its source. Get a free service estimate from Top Flight today or schedule service online ASAP.

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N Collins
N Collins
1721397337
Couldn’t ask for a better company! Christina was on top of everything getting me scheduled in as quickly as she could fit someone in. Tech came within 2 hours found the problem and was very nice and informative of what needed to be fixed and replaced. Isiah came today fixed me all up was very pleasant and quick to get me some relief within 24 hours my a/c was restored on what had been the hottest days of summer so far. Thank you Top Flight for your quick response and professionalism. 10/10 recommend!
Victoria Hurd
Victoria Hurd
1721392798
Top Flight is an excellent company including their technicians. I have used them for my heat/ac maintenance. Recently had to have all of the ductwork under my home replaced. They completed all aspects of this job in a professional and timely manner. Please consider using this company for your needs.
Mike Martin
Mike Martin
1721331533
Top Flight is the appropriate name for this company because their technicians are Top Flight. They are very knowledgeable and friendly. They also show up on time and are very dependable. You can have confidence in choosing Top Flight for your HVAC needs.
D GH
D GH
1721318212
Tyler Powell & his helper did an extraordinary thorough job and explained the issues and repairs as he did them . 5,star Quality and efficiency! Thank you!!
Anna Fecker
Anna Fecker
1721264940
I highly recommend Ryan and his staff, all are very courteous, neat, very professional and knowledgeable, have used Top Flight many times from installation to routine maintenance and always satisfied
Rox King
Rox King
1721246851
Tyler was professional and courteous. Took time to explain things. Did a great job!
Diana Lucas
Diana Lucas
1721246640
Shout out to Top Flight Heating snd Air Conditioning!! Same day appointment and work completed with excellent technician Tyler!! Hes the best!! Thank you so much for your timely assistance and knowledgability to diagnose and repair so promptly!!5 STARS Tyler!! Cant thank you enough!👍👍👍
Gloria Wright
Gloria Wright
1721229120
Got my AC going. Checked my heater out. I have a service plane. Very nice people to work with.
Gregg Goins
Gregg Goins
1721228981
Top Flight is a Great Company. We are very happy with there Professionalism and Courtesy. They always Call before And after they do their check up. Everyone we have had come to the house has been very Informative and Nice a d always ask if they can do anything else. So Nice
Nelson Jones
Nelson Jones
1721228597
If I could give a zero I would you came to look at job called you four times to get the price and you never did call me back
Nicole Damiani
Nicole Damiani
1721225185
Customer service was great when calling in, technicians were very friendly and knowledgeable. Got me fixed up and running in no time!
Donald Bucklin
Donald Bucklin
1721224071
Very professional. Reasonably priced. Great all around experience. Very highly recommended. They have been taking care of three systems in my house for four years and I have always been kept well informed and have been pleased with the work.
Belinda Kalomeris
Belinda Kalomeris
1721223272
Professional and knowledgeable heat and ac company. Family operated company with family oriented values. Top flight saved the day for me when the company I originally hired to install my new ac central unit took off without completing the job. Top flight stepped right in, corrected and finished the job just as the weather was heating up. They also have improved the way I heat my house. Best heat/ac company I have ever worked with while owning many homes throughout the years. Thank you Top Flight!
John Zivkovich
John Zivkovich
1721222091
Professional, courteous, reliable.
Diane Acker
Diane Acker
1721221979
The Top Flight team was very professional, I highly recommend this company for all your heating and air conditioning needs.
Barbara German
Barbara German
1721150531
Technician arrived on time and was thorough in his review of the system. We were only having routine maintenance done and we decided to go for the one year contract. My husband was happy so that’s good enough for me!
Mickey Marra
Mickey Marra
1720271802
Excellent service Tyler did great job and the whole staff is great Tyler is asset to the company I I have been dealing with this company for about 5 years and tried other companies with no ratings which means they don't want to show you the bad ratings so i don't deal with them anymore because of getting ripped off twice.they are number 1.
Danielle Allman
Danielle Allman
1719967822
Top Flight exceeded our expectations. We had an unexpected issue with our 4 year old system over the weekend and we were able to make an appointment easily online. Tyler (our tech) showed up on time. He was professional, courteous, knowledgeable and kept us informed the entire time he was troubleshooting and maintenancing our unit. He answered any questions we had as well as recommendations to ensure our system runs top notch. With that said we signed up for a maintenance plan the same day and definitely recommend them if anyone is looking for a HVAC company.
Earl Dunnock
Earl Dunnock
1719926080
Joe Begendorf
Joe Begendorf
1719882208
Technician ( Tyler) was knowledgeable of my system and diagnosed it properly.
Denise Passwaters
Denise Passwaters
1719609673
Tyler from Top Flight was very professional and explained the problems with our A/C unit in detail. Arrived on schedule and fixed the problem.
cheryl crawford
cheryl crawford
1719092626
Michael was exceptional. He saved the weekend!! House is cooling down on this hot weekend. He fixed my ac and explained everything about my unit .We will be using top flight heating and air in the future.
Carol Silberstein
Carol Silberstein
1718907350
Professional and knowledgeable! Thrilled to have found this company and look forward to many years of good service!
Tony Licausi
Tony Licausi
1718827607
Anjo Elsbury
Anjo Elsbury
1718821991
Isaiah and his helper were great!! Knowledgeable, friendly and competent.
Am C
Am C
1718770110
Detailed Oriented! Great service!
Diana Erney
Diana Erney
1718418570
David Drebing
David Drebing
1718320785
Had issue with AC not coming on when i got home from work. Called for service after normal work hours. Technician Ryan Brower came after hours, diagnosed problem. Got system working. Extremely happy with tech & service A+.
Karl Haller
Karl Haller
1717851893
Ryan did great job in explaining job to be done, and Isiah did great job on instalation.
Hollie Linville
Hollie Linville
1717598477
I am so impressed with the service that I received from Top Flight. First of all, they had a cancellation and put me in immediately. They sent out their technician, Isaiah B. He was polite, professional, and knowledgeable. He seems very confident in his work and wants to make sure he covers all bases with no pushy sales pitch. He was excellent and I'd recommend him to everyone.
Chip Brenner
Chip Brenner
1717506989
Isiah was great with our service call yesterday. Very professional. Explained the repair we needed very well. Extremely happy.
Gus
Gus
1717095775
I would highly recommend Top Flight for all your HVAC needs. Isaiah and Ryan were very professional and answered all my questions regarding my total HVAC installation. Thank you Ryan and Isaiah. Doug Martin
Steve Carodiskey
Steve Carodiskey
1716750558
Ryan did an awesome job…Had it working in less than 30 mins would highly recommend Top Flight.5 stars
Daniel Callahan (DTCallahan)
Daniel Callahan (DTCallahan)
1716654358
UPDATE: Tyler was just out to service our AC for the first time. Just like Ryan he took the time to explain everything he was going to do and answered all of my questions.As a new customer and and not having a gas furnace prior, Ryan took the time to explain what he was doing and how the system worked. He was very knowledgeable and professional.I would have no problem recommending Top Flight to any of my neighbors.
james shockley
james shockley
1716576053
Top notch very cordial very politeIsaiah was great
p “Patricia” weath1
p “Patricia” weath1
1715288538
Isaiah Barnes was Professional, Knowledgeable & Kind. Joe, Isaiah's assistant is also of great character. I trust both of these folks completely. So grateful to have found Top Flight. They will continue to have my business as long as I am in the area.
Courtney Dulin
Courtney Dulin
1715266530
Joan Hitchens
Joan Hitchens
1714691185
Very Satisfied. Great Service.
J Ga
J Ga
1714055744
Tyler P. did our A/C Maintenance Service today. He was very pleasant to deal with, pointed out and took care of better insulating the refrigerant lines on inside unit & outside as well. Worked quickly and efficiently. Thanks again Tyler.
Carol Cunneen
Carol Cunneen
1713900983
Tyler arrived on time and did a thorough examination of the system. He was polite, professional and pleasant. He explained to me everything about the system I highly recommend this service.
val pisacane
val pisacane
1713898427
Tyler from TopFlight was fantastic. He earned a new service subscription customer.A prior tech from Air Temp solutions left the previously working system disabled and not working. Their follow up tech quoted $1,250 for a new thermostat and thermostatic board. Needless to say I searched for another company.Tyler diagnosed a simple but easily overlooked problem. The system was restored with only a service call.Big call out to Tyler and Top Flight!
Donna McCafferty
Donna McCafferty
1713795774
Issac did a great job. Very professional and courteous. He explained the process well and looking forward to installation of new system for our pole barn.
Susan McKechnie
Susan McKechnie
1713285687
Isaiah was my technician who performed a routine AC checkup. He was professional, knowledgeable, and polite. I was impressed with the service so I signed up for the annual plan and have high expectations if I ever run into any issues. Top flight was recommended by a friend who had issues and used several companies that couldn’t fix the problem before finding Topflight that did fix the problem.
Ben McCall
Ben McCall
1712938934
Very knowlagable team, and prompt service. They got me fixed up on their first visit.
Martin Burton
Martin Burton
1712270623
On April 4th 2024. We had a great experience with Top Flight Heating & Air. Our technicians Isaiah Barnes and Joseph arrived on time. Isaiah took the time explaining every detail of the job. Very professional. We highly recommend this company.
George Dellinger
George Dellinger
1711997698
Glad we switched Top Flight for our geothermal HVAC maintenance.They have a smooth process to set and confirm appointments. Isaiah (the technician) arrived exactly on time. He is exceptionally well-trained, confident, highly proficient, professional, and easy to communicate with.I feel that our HVAC will be in good hands with theTop Flight competitively-priced maintenance program.
Maria Maksymowych
Maria Maksymowych
1711831495
Shout out to Top Flight! I had an emergency call and had to turn my heater off. Technicians arrived the next morning. Service, honesty and technical competency exceeded expectation. Thank you.
Chris Derchin
Chris Derchin
1711052233
First service by Isaiah was outstanding, he took time to explain what he was going to service before & after he was finished. I was promptly contacted next day by Christian to set up follow up Appt. Now I understand why they have 5 stars on the Google reviews.
Tracy Niedrowski
Tracy Niedrowski
1711050611
We had Top Flight install a new HVAC system. Isaiah and Tyler were great at the installation. They cleaned up after the job which was nice. The plus is the system is nice and quiet compared to our old system and the balancing they did reduced the temperature extremes in our upstairs vs downstairs.
Tammy Crumley
Tammy Crumley
1710295184
Wonderful person. Handled my problem professionally.
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