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3 Ways to Protect Your AC Unit From Salt Air

Published June 27, 2024
3 Ways to Protect Your AC Unit From Salt Air

If you’re from Milton, you know the city is all about that saltwater scenery.

This Sussex County sits on the Delmarva Peninsula, right along the Broadkill River that travels into Delaware Bay. However, the waters that contributed to the building and launching of hundreds of ships that sailed worldwide are also responsible for a muggy climate…

So, you should know how to protect your AC unit from salt water. 

As a locally owned and operated company with over 10 years of experience, Top Flight Heating & Air has seen dozens of HVAC units suffer from that sticky salt air. We’ll explain what salt air does to your unit and what you can do to prevent this.

Why Is Salt Air and Your Unit Not a Good Combination?

Your cooling unit comprises many metal parts, from the evaporator and condenser coils to the fan blades. When salt passes by metal, it acts like an electrolyte and forces the metal to lose electrons and oxidize.

Because salt attracts surrounding moisture, the water furthers the rusting process, causing corrosion to happen ten times faster in coastal areas like these.

The Top Three Ways to Protect Your Unit

Now that you know this, you’re not moving just to protect your air conditioning unit.

Below are three things you can do instead to protect the unit for your space and prolong its lifespan – even in salty areas.

An AC Without a View

While you may like the ocean view, your AC unit doesn’t.

Winds blow over the ocean, sending a salty breeze to the side of the house facing the water. So, a professional tries to place it facing in other directions to reduce exposure.

(TIP: You may get away with having it face the ocean if natural barriers like hills and dunes bar wind flow.)

A Little Extra TLC

All HVAC units require semi-annual maintenance, from central air systems to portable air conditioners, but ones exposed to salt air need extra care.

Wipe down the salt film that regularly builds on metal components like the fan coils the way you would remove dust everywhere else. Also, rinse the filters that trap salt particles since they can enter your system as the air handlers suck in air from the vents.

A Coat for Your Cooling Unit

What if your small room air conditioners can only go in ONE spot in a given room, and that’s on an exterior wall facing the coast?

For instance, you may only have a window or the wall space on that wall for a window or mounted unit. 

An industrial anti-rust coating over your unit’s condenser creates a barrier against the salt air and humidity, which are issues during Milton summers.

Let Your Cooling Desires Take Flight!

When you need cool air during 87-degree Milton, DE, summer highs, you need a team with over 200 five-star Google reviews and an A+ BBB rating for unbeatable services.

Top Flight Heating & Air can help you protect your AC unit from salt, humidity, and more. Call us today at (302) 329-8003 for 24/7 emergency assistance!

About The Author

Ryan Brower

Ryan Bower is the owner of Top Flight HVAC in Milton, Deleware. He is an expert HVAC techician and writes about his life on the job and HVAC projects that he has encountered throughout his career.
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!
Rox King
Rox King
1731451310
Tyler was professional and courteous. Took time to explain things. Did a great job!
Gloria Wright
Gloria Wright
1731430177
Got my AC going. Checked my heater out. I have a service plane. Very nice people to work with.
Sylvia Ahramjian
Sylvia Ahramjian
1731429018
Very friendly and knowledgeable. Answered all questions and made adjustments I requested
Caroline Hughes
Caroline Hughes
1731425195
The service provided by Tyler of Top Flight was both proficient and professional. Thank you both Tyler and Top Flight.
Joe Bigos
Joe Bigos
1731424935
Great job servicing my HVAC, always on time.
Ben McCall
Ben McCall
1731422084
We had Isaiah from Top Flight come out to our home recently to perform my yearly check up. He was very knowledgeable and professional. We highly recommend the entire Top Flight Team!
Courtney Dulin
Courtney Dulin
1731421405
Mark Alford
Mark Alford
1731088040
Dr Steve Gaeng
Dr Steve Gaeng
1731075428
On time & professional. Had one problem to work through, which was efficiently handled.
Mark Grisi
Mark Grisi
1731013923
HVAC Tech was excellent. Showed up in time, completed the work without incident and left everything clean and neat.
Donald Bucklin
Donald Bucklin
1731010571
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.
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