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AC Maintenance

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

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  • 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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Brian Gourlay
Brian Gourlay
1736536654
Evan Lallier
Evan Lallier
1735843476
The technicians came when they said they would. They were polite and diagnosed the problem quickly. They made the repair when the needed part came in
Tricia Ecker
Tricia Ecker
1735734936
We called Top Flight on Christmas Eve expecting to wait a few days for service. The phone number went straight to a REAL person who was pleasant, friendly, and had someone at our house within 3.5hrs. Our technician was also friendly and knowledgeable. He made a thorough assessment of our system and fixed the issue in the expected time frame. I highly recommend Top Flight to anyone looking for service and will definitely be using them in the future!
Kevin Jester
Kevin Jester
1735587430
Steve Berlin
Steve Berlin
1735356080
Service was quick, courteous, and friendly. Not always easy to get things done quickly in LSD.
Chris Burkhart
Chris Burkhart
1735060861
Got our heater rolling again on Christmas Eve Day when it went out and we had a 40 degree house with family on the way in to town. Local, independent business that does great work.
Debra Queitsch
Debra Queitsch
1735033200
We have been a Top Flight client for several years now. Top Flight offers an excellent service plan and exceptional customer service. Their technicians are very knowledgeable, courteous and take their time explaining any issues they may see presently or in the future. No hard core selling. Service calls are always timely.Their automated system provides you with accurate information for your technicians arrival. More often than not, their trucks carry a great inventory of parts, should you need any replacement items during their visit. An honest company with ethical, dedicated employees.
Monique Palmer
Monique Palmer
1734984123
I called to schedule an appointment for a technician to come out. Ryan was able to come the same day, about 4hrs later. He was very professional super polite n knew what he was doing. I wasn't receiving any heat n he was able to determine what the issue was n resolve it. I couldn't be happier. Definitely recommend this company to anyone who's having any problems with HVAC system.
Donna Smith
Donna Smith
1734401707
Top Flight did an awesome job replacing my whole HVAC system, including duct work. Ryan did a very thorough initial inspection of my old unit which allowed him to make the best recommendations for the issues I was having. They were prompt, courteous and explained in detail everything they were doing during installation. Everything was cleaned up well after the job and I appreciate how quickly they were able to get me scheduled. I highly recommend Top Flight for any of your HVAC needs.
Daniel Webster
Daniel Webster
1734393180
On-time and professional.
Robert J Russell
Robert J Russell
1734103551
Isaiah was a pleasure to work with.Very courteous and professional. He explained everything in clear, understandable language.I would highly recommend Isaiah and Top Flight.
Vincent Griscavage
Vincent Griscavage
1733954963
Prompt, competent and professional. Shoe covers are a plus.
Belinda Kalomeris
Belinda Kalomeris
1733782335
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!
Joe Begendorf
Joe Begendorf
1733609551
Larry Daisey
Larry Daisey
1733582624
Technicians are friendly, knowledgeable and very thorough.
Nadine
Nadine
1733434914
Tyler and partner were amazing. Very professional and explained things so I could understand. Would recommend for HVAC services
Noelle Sylvanus
Noelle Sylvanus
1733399880
We have been using Top Flight for several years now. Ryan and his team have always gone above and beyond to make sure our system is running properly. They respond to any problems we have in a timely manner. They offer great customer service and are very professional. I have trust in their work. Rates have always been reasonable.
Carol Cunneen
Carol Cunneen
1733333426
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.
Janet Brennan
Janet Brennan
1733265089
The other day, when temperatures were in the teens, I woke up to 54 degrees in my house. I went on line to look up HVAC services and saw that Top Flight had many excellent reviews. So I called them. A couple of hours later, Isaiah and Tyler came to my house. I have to say that it was one of the best experiences, if not the best, that I have ever had with a contractor or service person. They were here all day. Isaiah explained everything to me in detail and encouraged me to ask questions. He was so patient and so nice. Of course, they fixed the problem and gave me some good advice. He was very professional but easy going and well-informed. Also, the prices are very reasonable. I highly recommend this company.
Glenn Hodges
Glenn Hodges
1733182779
Isaac serviced my ductless system in my sun room. The system was heating but was inconsistent in response to temperature changes. Isaac cleaned the inside unit and that seems to have improved how it works. He was on time and worked professionally.
george donahue
george donahue
1733065023
Absolutely top notch. Technician found problem, explained what had to be done in detail. Exceptionally polite and courteous. If your looking for down to earth people, this is the place. No hassle whatsoever.
Wanda Steen
Wanda Steen
1733006338
We were going through a total nightmare trying to find a company to fix our HVAC system. We tried 3 different companies that took our money and left us with a system that would stop working within a month after they said it was fixed. Top flight found the problem the 1st time they looked at it. It's now been running for almost a year with no problems. Isiah and this company are the best. We highly recommend them. Thank you Top Flight.
Gillian Daniels
Gillian Daniels
1732804747
I Highly recommend Top Flight! I called for service at the beginning of the cooling season. Technician came on time, inspected and cleaned the main two heat exchanger zones, checked all the return filters, measured the temp at each supply output and then inspected and cleaned a mini split. He took his time but was really efficient, thorough, clean and knowledgeable. Had great air conditioning all summer! I signed up for their service plan and will be scheduling our heating/fall call after Thanksgiving.
John Zivkovich
John Zivkovich
1732740721
Top notch service from a first rate company- Ryan and his crews are honest and polite and very knowledgeable. We’ve been very happy with the work performed.
George Bock
George Bock
1732726145
Cleaned and rehabilitated my heater. They arrived on-time, two people worked on the unit, very nice and polite. They even showed me pictures of all the work they did on the unit.
Diane Acker
Diane Acker
1732714580
A used Top Flight Heating & Air to replace my furnace. I was very satisfied with their knowledge and professionalism. I now use them for all preventive maintenance on both my heating and air-conditioning units. Their prices are very reasonable, and they are quick to response to calls.
Gregg Goins
Gregg Goins
1732637386
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
Michelle Phillips
Michelle Phillips
1732634351
Reliable, affordable, and on point! Had issues with my air conditioning for years, after spending thousands with multiple other companies, I found Top Flight! One visit and everything was working perfectly! The only company I'll trust with my heating and A/C needs! Highly recommended!Thank you for superb service!Michelle Phillips
Linda Egbert
Linda Egbert
1732590023
Ivory Hopkins
Ivory Hopkins
1732562738
I was very pleased with Top Flights' service. They installed Heating and Air Units in my church, Pilgrims Ministry of Deliverance, in Georgetown, Delaware.I needed service. They sent a serviceman named John. He got everything up and running. HAPPY CUSTOMER!Apostle Dr. Ivory Hopkins
Steph Staib
Steph Staib
1732290192
Top notch service! Professional and friendly staff.
Walter Plum
Walter Plum
1732227217
Great service from knowledgeable technicians.
Alex Cruz
Alex Cruz
1732043643
These guys are absolutely incredible. From the customer service to the technicians, everyone is friendly and goes above and beyond to help. I know when they come out, they’re going to do an amazing job and provide me with tips and tricks to get the most out of my unit.
Sheri Deeb
Sheri Deeb
1732040422
THE BEST!! If you live in lower Delaware you should be using Top Flight Heating & Air for all your needs!
C M
C M
1732028165
Exceptional service! Reliable, knowledgeable, professional and courteous. Would highly recommend!
Diane
Diane
1732024425
Top Flight is exactly that! Tyler Powell was the technician sent to maintain my very old furnace. He was professional, informative and personable! He let me know what to expect from the furnace and I was pleased with his evaluation. There was no upselling. He, with the owner Ryan, came up with 7 quotes for different brands and efficiencies of furnaces that I requested.The ladies in the office did everything they could to fit me in the schedule! I was so happy with their service and honesty!
Glenn Williams
Glenn Williams
1731962093
Excellent service
Julia Moore
Julia Moore
1731946127
Excellent service! Technician explained everything he was doing, and what I may need down the road as I have an older unit. I feel really great about signing up for the maintenance program!!!
Diana Lucas
Diana Lucas
1731945432
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!👍👍👍
Cathy Grosholz
Cathy Grosholz
1731878115
I have used this company for about 3 years now. Not only is their customer service excellent but so is their prompt service. Get the service plan, it’s well worth it. Have already recommended them to my friends who have also signed up. This company knows what they are doing!!
wayne waybright
wayne waybright
1731861647
I have Top Flight Heating & Air do my annual maintenance on both my central A/C inside the main house and the Mitsubishi A/C unit in our sunroom. Isaiah and Joey are really knowledgeable and listen to your needs. I had a severe attic condensation pipe break causing major ceiling repair in my living room. Isaiah found the leak and suggested redirecting it towards another area of the attic for a better flow to the outside. It has so far worked great. I'm very pleased dealing with Christina in the office. I highly recommend this company.
Barbara German
Barbara German
1731778548
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!
matt walter
matt walter
1731764059
michael colley was at our home today for our heater pm .he was extremely professional and courteous. He explained everything he was doing and did a great job. Also left our home spotless when he was done. he is an asset to your company and would have him do work in our home anytime.I'm a very happy customer of top flight and would recommend this company to anyone. p.s. with techs like michael your company will continue to grow. again an extremely happy customer.
Anjo Elsbury
Anjo Elsbury
1731700509
Isaiah and his helper were great!! Knowledgeable, friendly and competent.
Cindy Stolecki
Cindy Stolecki
1731695716
I give 5 star to Top Flight heating and air. I'm never disappointed on who they send out to maintenance, very knowledgeable, answersany questions and very courteous. Also there is no wait when calling , very reasonable wait time for an appointment and very polite. Highly recommended...
Robert Schumacher
Robert Schumacher
1731694102
Top Flight technicians are always friendly and on time! They are knowledgeable and super helpful. Seeing the same faces each time makes us comfortable as well as they maintain their employees, a sign of a great company!
Eric Nelson
Eric Nelson
1731686064
Great team to work with on any project you might have.
Jessica Juknelis
Jessica Juknelis
1731615854
Reasonable price and were very timely.
Tommy Farinelli
Tommy Farinelli
1731592273
Tech showed up on time and explained what he would do and at the reviewed his findings with me.
Justin Arseneau
Justin Arseneau
1731509976
Top Flight has truly been a lifesaver for me, especially during an emergency when my rental property had no heat or hot water. Their quick response and expert service got everything up and running in no time. Their team’s professionalism, clear communication, and dedication to getting the job done right are impressive. I’ve relied on them for multiple properties, and each time they’ve exceeded my expectations with efficient, top-quality work. It’s comforting to know I can count on Top Flight when urgent situations arise. Highly recommend them for reliable, high-standard service—every property owner’s go-to solution!
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