OUR PURPOSE
We empower BOATERS with the tools, inspiration and know-how to get the job DONE!
Time is Now for Lithium Batteries on Your Boat
Lithium batteries have far more useable capacity than lead acid; charge much, much faster; offer better support for heavy loads; are about half the weight; and have a cycle life many times that of lead acid equivalents; to name just a few attributes....
A Re-Volting Thought
In theory, as the 12v battery is depleted it will be recharged from the traction battery, and when the traction battery gets low the built-in generator will kick in and charge it up. So, in theory if I leave the Volt switched on I could have 110v AC ...
Fake News in The Pipeline
There were all sorts of strange war-related artifacts left around after the second world war in the area of south east England where I grew up. This was in southeastern Kent, which was given the nickname of Hellfire Corner due to its proximity to the...
Diodes DeMystified
Although some specialized large panels may incorporate a number of By-Pass Diodes in an attempt to mitigate some effects of total shading, that is not their primary purpose. They are there as a safety device to prevent heat damage to cells if those c...
Shining Some Light on Lithium Battery Systems
Prismatic cells with lithium iron phosphate chemistry (LiFePO4) come in many shapes and forms, but a popular size is of around 100 amp/hours with a voltage of 3.2 volts or thereabouts, so four are required wired in series to make a nominal 12 volt 10...
Holiday Spirit
If past years are anything to go by, this office will soon be awash with requests to supply parts and organize repairs to systems on moving-targets of vessels that are flitting from island to island day by day. Our efforts will no doubt be exacerbate...
Won't Get Cooled Again
This article will focus on small air-conditioning systems that are suitable for sleeping cabins or for small boat applications. With a small air conditioning unit, the DC current draw is low enough that they can usually be powered by an engine altern...
Power Basement
With these six transfer switches set at Mains, power is diverted from the main Breaker Panel, through these transfer switches, then back to the Breaker Panel and on to the circuits. With the transfer switches set for Inverter, the mains power is deli...
High From Amsterdam
I wish flights could be quicker though, but there is no supersonic service any more now that Concorde has been mothballed, and Coastal Climate Control couldn’t afford that luxury anyway. So, we’re stuck with flying commercial airlines at subsonic spe...
On the Road Again
Interest was high, but the level of customer participation, the actual act of making a purchase, is too early to gauge. There were many “oohs” and “ahs” for the Solara walk-on panel that we had laid flat at the foot of the steps on our display, and a...
What a Wallop!
So that’s that. Until further notice, Coastal Climate Control will no longer be offering Solara Standard Series panels, from 12 watt through 80 watt. It’s a shame really. We only saw a small return on these small panels as they were quite expensive t...
A Walk on the Wild Side
England in November can be a tad cold and claggy, but walking in the beautiful countryside at this time of year proved be a pleasant experience, having donned suitable attire and being prepared for a drenching without warning. However, it was soon ev...
Making the Most of Bank Charges
Charging Diodes. Many vessels have separate battery banks for the house supply, engine start, thruster, etc. Shore power chargers typically have multiple outputs, each isolated from the other so that separate banks can be charged simultaneously, but ...
Decisions: Smoked Phish or Byrned curtains?
1) it has only four strings,2) you plonk along playing only one note at a time, and 3) if you make a mistake no one notices! Perfect. The choice was made. So, now that I’d settled on being a plonker, I needed to see some live action in order to analy...
Introducing RELiON Lithium batteries
We are proud to offer RELiON Lithium Iron Phosphate batteries, dedicated to high performance energy solutions for serious yacht and RV owners. They are available in standard industry sizes. Custom sizes available upon request. These batteries ar...
Ay Caramba!
The turning point came as I was working on the side of the engine and could not banish the image in the corner of my eye of the owner sitting on the settee, leaning forward and scrutinizing every move I was making. This couldn’t continue, and soon it...
Flexible Solar Panels - Are They Any Good?
But what all those people are saying in effect is, unfortunately, that the flexible panels they bought were of a lesser quality than desired for marine use. At some point we all have succumb to advertising claims that make a product sound too good to...
10 Steps to a Perfect Refrigerant Charge
2. Do not have someone attempt to asses refrigerant charge level by weight. These small systems contain a ridiculously small amount of refrigerant, and it is impossible to weigh in refrigerant accurately, especially if the boat is rocking. Moreover, ...
Sun-Day Racers
By connecting a solar panel to a battery (for simplicity this blog will ignore the presence of a controller/regulator or blocking diode) we create an electrical circuit, which by definition suggests something that starts and ends at the same place. A...
Something's Bugging Me
In my first season running a sailboat in The Caribbean I was faced with the dilemma of an approaching hurricane out in The Atlantic. It was September after all, so not unexpected, and it was forecast to eventually veer northwards and again not bother...
Solar Myth Busters - Revisited
MYTH 1 - Glass solar panels with aluminum frames are the most efficient. BUST - No, no, no! The type of cell determines how efficient a solar panel is, not how it is constructed. Coastal Climate Control offers three types of panels: aluminum-framed g...
Well Blow Me Down!
This bit may be a tad difficult to comprehend, but whereas the heat that the evaporator removes from a fridge or freezer is very cold, that very same heat magically transforms to become very warm at the condenser. That’s why I love this stuff ...
A Burning Desire to Help
On one such occasion the tranquility was interrupted by the sound of emergency vehicles; mainly fire trucks judging by the sirens. Something was afoot close by, and human nature being what it is, I searched the internet for a means to listen in to th...
Air It Up!
We can break down the process into three stages: Application – Installation – Operation Application: Do you want it to be a meat locker down below at noon on a 100° day? Or do you just want a bit of cool, dehumidified air for sleeping at night? Hopef...
Off to the Moon? Don’t forget the Sextant!
In the lead-up to the Apollo 11 moon landings, the Apollo 8 mission has been described as the most dangerous while carrying the most risks of the unknown. Apollo 8’s mission was to get to the moon, orbit it ten times, and return the astronauts safely...
Frozen Dreams
For those of you snowbirds currently basking in warmth and lathered up with sunblock, this will serve to reinforce the notion that you shouldn’t start heading north anytime soon. In the years leading up to 2019 BC (Before Covid), boats would be sold ...
A Good Whacking
The Frigoboat Keel Cooler refrigeration system is a case in point. The actual Keel Cooler component is a condenser/heat exchanger that is the external component of a thru-hull fitting and is mounted on the exterior of the boat, under water, and is de...
Air Conditioning + Your boat + Batteries = Great Summer!
Any air conditioning unit can run from lead-acid or lithium batteries through an inverter. The issue is whether this is practical and economical considering batteries will need to be recharged at some point. For overnight use in sleeping cabins, wher...
Love Hertz
Typically, onboard generators are synchronous devices. In other words, they must run at a fixed speed to be able to maintain the correct frequency of alternating current (AC). That’s 60 Hertz (Hz), or cycles per second, in North America, and 50 Hz in...
I Think, Therefore I Am ... I think
Just imagine: a glob of air is sitting there in the sky, just enjoying life and looking at the clouds, when all of a sudden it is assaulted by a blade travelling at high speed and is split into two air masses. The lower air mass sees the wing passing...
Opps My Mistake!
Back in 1999, after a journey lasting 10 months, the $125m Mars Climate Orbiter which, as its name implied was supposed to orbit the red planet and gather climate and other information, was seen to venture a little too close to the planet surface for...
10 Signs it’s Time to Replace Your Boat’s Refrigeration
3. It’s using too much energy The older DC powered systems using the Danfoss BD3.0 and earlier compressors (or even the humungous, clunky holding plate systems that pre-date the 12v revolution) were great in their day, but their day has passed. Syste...
Current Affairs - Making the Right Connections
For my testing I connected five brand new Group 31 batteries in parallel with equal length straps. The first set of tests was with Firefly AGM’s, followed by identical tests with RELiON lithium iron phosphate (LiFePO4) batteries, as I was curious to ...
Solbian Solar Panels on Hylas 54 Genevieve
So, we had a curved frame of stainless rail welded to the top of the Simpson Davits which matches the existing Hylas rails. Over that is a GRP [fiberglass] panel color matched to deck GRP to act as structure to attach the semi flexible solar panels (...
Hurry Up and Wait
And that is what I got, a long wait, only realizing the joke when the sniggering reached a level that triggered my suspicions. Another long wait back then was at Easter each year preparing to launch for the yacht club’s first dinghy races of the year...
Get used to it
When backing up I’m nonchalantly expecting a radar device to start beeping if I get too close to anything, a luxury that’s usually non-existent in the level of rental car I’m lumbered with. The first sounds of contact I’d hear would be the scrunch of...
Mummy, the batteries have melted!
Apart from greatly reducing their life-span, storing and/or cycling batteries in elevated temperatures can greatly enhance the possibility of a thermal runaway situation in AGM batteries, as can using incorrect charging parameters. But thermal runawa...
What a Week
Commissioning Week is a week of events, almost entirely within the Academy grounds, that culminate with the Midshipmen 1st Class graduating and receiving their commissions as Ensigns in the US Navy, or 2nd Lieutenants in the US Marine Corps. For the ...
Charge of the Lightweight Brigade
LiFePO4 batteries exhibit very different charge characteristics to lead-acid types. They can accept a very high charge current, and will do so for the entirety of the charge, and then effectively switch themselves off when full. You can see the diffe...
Beware of the Speedy Meanie!
Observing these two got me to thinking how this speed disparity relates to the variable speed compressors we have now in both refrigeration and air conditioning systems. If there’s not much work to do, then why not slow the compressor down and run it...
Trouble in Paradise
A capillary tube (cap tube) refrigeration system contains a very precise amount of refrigerant. There is no reservoir or holding tank for excess refrigerant, and over-charging will inevitably result in poor performance. The system will be either perf...
Parallel Thinking Blown Sky High
In “traditional” flooded batteries, two lead plates, one positive and one negative in each cell, are suspended dangling in a bath of electrolyte with nothing but liquid between them. In this type of battery, there is indeed the possibility that the p...
My Mate Chris
Now, I am as much an admirer of Jimmy Buffett as any other boatie, but there was a time when you couldn’t set foot on a beach or tie up at a dock without hearing the strains of Margaritaville and other favorites. Quite frankly it all got a bit too mu...
Gauge Talk
The following refers specifically to MarinAire products, but the principles apply to all marine air conditioning units. There are two actual gauges; one connected to the high pressure side of the compressor, and one to the low pressure side, and they...
Full Speed Ahead!
While perusing the promotional material published by what appears to be the sole manufacturer of marine variable speed self-contained air conditioning units, the claim of 50% energy savings leaped out at me right away. But on reading the small print,...
Pissing in the Harbor
The objective of the cooling water discharges on these sailboats seems to be quite the opposite to the powerboats. Now the trend appears to be to install mini cowlings over the discharge thru-hulls in order for them to be noticeable in various ways, ...
Start 'Em Up!
Part 1 Electrical motors powered from single phase alternating current (AC) have one big dilemma, and it’s because the current is alternating between positive and negative. If no provision is made to encourage it to do otherwise, the rotor of the mot...
Breaking News!
These bills would also require manufacturers of high-end appliances to allow any service company to repair their products, not just those sanctioned by the manufacturer. This sort of regulation will be welcomed wholeheartedly by geeks like me who jus...
Magnetic Personalities
Outwardly, the only sign of anything untoward was a small blister in the top foil, but an autopsy revealed a connecting track beneath the blister reduced to cinders, and two tiny zap holes in the aluminum backing plate. Where the lightning went from ...
RIP Holding Plates
Holding plates are basically a tank containing a solution that is designed to thaw at a particular temperature. Included also is a coil of tubing through which a refrigerant circulates at very low temperatures when the refrigeration system is running...
Time is Now for Lithium Batteries on Your Boat
A Re-Volting Thought
Fake News in The Pipeline
Diodes DeMystified
Shining Some Light on Lithium Battery Systems
Holiday Spirit
Won't Get Cooled Again
Power Basement
High From Amsterdam
On the Road Again
What a Wallop!
A Walk on the Wild Side
Making the Most of Bank Charges
Decisions: Smoked Phish or Byrned curtains?
Introducing RELiON Lithium batteries
Ay Caramba!
Flexible Solar Panels - Are They Any Good?
10 Steps to a Perfect Refrigerant Charge
Sun-Day Racers
Something's Bugging Me
Solar Myth Busters - Revisited
Well Blow Me Down!
A Burning Desire to Help
Air It Up!
Off to the Moon? Don’t forget the Sextant!
Frozen Dreams
A Good Whacking
Air Conditioning + Your boat + Batteries = Great Summer!
Love Hertz
I Think, Therefore I Am ... I think
Opps My Mistake!
10 Signs it’s Time to Replace Your Boat’s Refrigeration
Current Affairs - Making the Right Connections
Solbian Solar Panels on Hylas 54 Genevieve
Hurry Up and Wait
Get used to it
Mummy, the batteries have melted!
What a Week
Charge of the Lightweight Brigade
Beware of the Speedy Meanie!
Trouble in Paradise
Parallel Thinking Blown Sky High
My Mate Chris
Gauge Talk
Full Speed Ahead!
Pissing in the Harbor
Start 'Em Up!
Breaking News!
Magnetic Personalities
RIP Holding Plates
Stats &
Fun Facts
0
Estimated Aquatic Animals in the Ocean
0
Boats 131' or Longer are Considered "Super Yachts"
0
Sailboats Manufactured in North America Per Year
Cruising vs. Retirement Home
A 2004 study has confirmed that joining a cruise ship after retirement is cheaper than retiring to a retirement home.
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Good Luck and Bad Luck Omens on a Boat...
Good luck and back luck omens are different on a boat than on dry land. For instance, whistling on a boat is expected to bring upon strong winds and is therefore considered bad luck. Bananas on a boat are also seen as bad luck especially on fishing boats. It is thought that fish do not bite on a hook if there are bananas close by. Finding a cat on a boat on the other hand is considered good luck, even if it is a black cat. Cats eat rats and keep the boat clean and safe.
17th Century Vessel - The Only One of it's Kind
Vasa is a Swedish warship that is known for sinking in 1628 and being recovered in 1961. After spending centuries in the water, this boat was still completely intact and in good shape. It is actually the only vessel left from the 17th century. This boat now lies in the Vasa Museum of Stockholm which was built as a tribute to this ship. It is now one of Sweden’s most popular attractions. It receives almost 30 million tourists.
Boats Have a Life Expectancy
Usually, cargo ships that sail in the oceans can have a lifespan of 20 to 30 years. Sailboats are meant to be used for 30-40 years even if they are made of softer materials such as plywood or fiberglass. They are not deemed safe or stable after their expectancy.
Our Brands
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Overview of Marine Refrigeration from Coastal Climate Control Marine and RV refrigeration offered by Coastal Climate Control and made by Frigoboat and Vitrifrigo in both DC and AC/DC power supplies.
Vitrifrigo offers a wide range of Black Cabinets and Stainless Steel Cabinets and Drawer Units, all with integrated air-cooled Read More
Vitrifrigo offers a wide range of Black Cabinets and Stainless Steel Cabinets and Drawer Units, all with integrated air-cooled Read More
Coastal Climate Control offers MarinAire and Climma Coastal Climate Control offers two brands of Marine Air Conditioning.
MarinAire 110v and 230v water-cooled compact air conditioning, from 6,000btu to 24,000btu. Manufactured with great attention to detail, these units are quiet and easy to install and use. Each unit Read More
MarinAire 110v and 230v water-cooled compact air conditioning, from 6,000btu to 24,000btu. Manufactured with great attention to detail, these units are quiet and easy to install and use. Each unit Read More
Coastal Climate Control offers Solara and Solbian solar panels Coastal Climate Control offers two brands of solar panels - Solara from Germany and Solbian from Italy. These are both designed for the rugged environment of mobile applications - your boat, car, RV or trailer.
They are both made with high Read More
They are both made with high Read More
Coastal Climate Control offers - Firefly and RELiON Coastal Climate Control offers two brands of batteries: Firefly and RELiON
RELiON are LiFePO4 (Lithium Iron Phosphate) Batteries made in standard sizes to easily fit in the space you have available for traditional lead-based batteries. Add this convenience to a cycle-life Read More
RELiON are LiFePO4 (Lithium Iron Phosphate) Batteries made in standard sizes to easily fit in the space you have available for traditional lead-based batteries. Add this convenience to a cycle-life Read More
Frigoboat Keel Cooler demonstration This demonstration rig has been used at many boat shows over the years as well as for training and sales purposes. The water in the fish tank can be set to any temperature, and is cooled by operating a pump Read More
RELiON Charging Video This video shows what charging voltages and routines are neccessary when changing to RELiON LiFePO4 batteries. Also includes advice on shore-power chargers, alternators, combiners and battery-to-battery chargers, and battery monitors.
RELiON LiFePo4 introduction from Coastal Climate Control. Introduction to RELiON lithium iron phosphate batteries supplied by Coastal Climate Control.
MarinAire 16K Start Load Tests Results of tests to see how a MarinAire 16,000 Btu marine air conditioning unit starts on mains power and from a Honda 2000i portable generator. Tests are done with and without EasyStart compressor soft-start device.
View this profile on InstagramCoastal Climate Control (@coastal_climate_control) • Instagram photos and videos
Myths and mysteries of solar panels:
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Preview: "Connecting solar panels in series connects all cells in all the panels together in a series chain, so any shading on any one cell on any one panel affects the total output in proportion Read More
☀️
Preview: "Connecting solar panels in series connects all cells in all the panels together in a series chain, so any shading on any one cell on any one panel affects the total output in proportion Read More
Summer is just around the corner!
Take advantage of our ongoing sale and shop with confidence. Each month there is a new theme of 'featured products' to explore. Our team is committed to providing you with exceptional customer service, ensuring that Read More
Take advantage of our ongoing sale and shop with confidence. Each month there is a new theme of 'featured products' to explore. Our team is committed to providing you with exceptional customer service, ensuring that Read More
Shopping with us is a breeze.
Easily track your orders, checkout faster, and sync your favorites. Just enter your email and we’ll send you a special link that will sign you in instantly so you'll know exactly when your new favorite Read More
Easily track your orders, checkout faster, and sync your favorites. Just enter your email and we’ll send you a special link that will sign you in instantly so you'll know exactly when your new favorite Read More
⚙︎ Using an MPPT solar controller will result in 10% to 30% more output from your solar panel than using a simple PWM voltage controller.
Our Maximum Power Point Tracking (MPPT) controllers find and use the best combination of voltage and Read More
Our Maximum Power Point Tracking (MPPT) controllers find and use the best combination of voltage and Read More
Power supply testing on Danfoss DC-powered refrigeration systems:
The following testing procedure must be carried out to properly test the power supply to a Danfoss/Secop powered 12v or 24v system. This will establish whether the system's power supply is free of Read More
The following testing procedure must be carried out to properly test the power supply to a Danfoss/Secop powered 12v or 24v system. This will establish whether the system's power supply is free of Read More
Victron AGM batteries. These batteries are known for their durability, long lifespan, and ability to handle the rigors of marine environments.
Key Features:
-High energy density
-Low self-discharge rates
-Robust and reliable performance
Ensure your boat’s power system is up to the task with Read More
Key Features:
-High energy density
-Low self-discharge rates
-Robust and reliable performance
Ensure your boat’s power system is up to the task with Read More
When you need marine or RV refrigeration, look for the best and most reliable.
Shop Refrigeration Options:
Frigoboat components for ice box conversions and replacement parts, plus the very best in stainless steel cabinets and drawer units.
https://buff.ly/4gqEQFs
Vitrifrigo cabinets and drawer units, both Read More
Shop Refrigeration Options:
Frigoboat components for ice box conversions and replacement parts, plus the very best in stainless steel cabinets and drawer units.
https://buff.ly/4gqEQFs
Vitrifrigo cabinets and drawer units, both Read More
Coastal Climate Control, Inc. is the source for a wide range of 12/24v DC and 110/230v AC marine refrigeration system solutions. We have a comprehensive selection of component systems, front-opening cabinets, and drawer units for any application - marine, RV, Read More
Tracking battery capacity is challenging because recharging requires more amp/hours than were used, due to inherent charging losses. This raises the question of how to determine when a battery is truly at 100% capacity. Should we estimate and add an Read More
"These folks will bend over backward to make things work for your systems. They have the critical parts and they know how they work. Great customer service too!"
- Redwood T., Verified Customer
⭐️⭐️⭐️⭐️⭐️
- Redwood T., Verified Customer
⭐️⭐️⭐️⭐️⭐️
Our products do the heavy lifting so you can unwind and savor life's moments.
Coastal Climate Control is your one-stop shop for all your marine air conditioning, refrigeration, and solar power needs. We offer a wide variety of products and services, including:
✅ Marine air conditioning systems
✅ Marine refrigeration systems
✅ Lithium & AGM batteries
✅ Solar Read More
✅ Marine air conditioning systems
✅ Marine refrigeration systems
✅ Lithium & AGM batteries
✅ Solar Read More
What They're Saying

Ralph B.
Verified Customer
My wife and I and I drove to Coastal's Office, calling on the phone we were introduced to Maureen. She explained their new policies so we placed our order through the glass, paying over the phone... Maureen was a jewel, helping us every step of the way.

Redwood T.
Verified Customer
These folks will bend over backwards to make things work for your systems. They have the critical parts and they know how they work. Great customer service. Nothing in life is perfect but with integrity, knowledge and patience you can solve the hardest problems.

John T.
Verified Customer
I just wanted to pass on how pleased I was with your service, especially Maureen. I purchased my Frigoboat from you many years ago and it has worked flawlessly. I will do my best to pass on my experiences with your company.
