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Making The Right Choice for Onboard Comfort

It’s a story as old as manned sea-craft itself – how do you provide climate control that is suitable for the entire crew? Crew comfort is a key consideration for retention and regulation. Your crew works hard, but disputes about the amount of air conditioning or heating, and when and where to turn it on, have been inevitable.

The Marine Climate Control Experts at Technicold recommend individual compartment controls.  This will maximizes crew comfort while minimizing management headaches.

A world-class line of chilled water and direct-expansion air handlers will be designed to fit easily in almost any berth or compartment. When specking climate control, look for features including vertical assembly and rotatable insulated blowers.

There are other ways to enhance onboard comfort and safety. Electric heat strips and immersion heaters provide cold environment solutions. Install a dash heater in the pilot house to defrost the window, enhancing safety. Anti-bacterial UV lamps eliminate odors and improve air quality.

And if that still isn’t enough to keep the peace on board, look for locking control panels – just set it and forget it.

contoller locked

The experts at Technicold will help layout a complete climate control system through superior engineering and marine class components. For maximum onboard comfort the answer is simple: Technicold marine air conditioning.


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Technicold Condensing Coils – How a Small Detail Makes a Huge Impact

In the world of vessel design, climate control is an important factor. But one of the most critical factors in the quality of the air conditioning system is one that is easy to overlook – the condenser coil.

Many manufacturers use copper coils that are subject to failure from sitting coolant and corrosion. The Marine Climate Experts at Technicold have a better way.

condensor coil

Technicold uses only large, single pass fluted coaxial cupronickel counter-flow condensing coils.   That is a lot of features packed into a small component, so let’s break it down:

  • Large coil size ensures efficient coolant delivery.
  • The fluted design prevents sitting coolant and water that can lead to corrosion.
  • Cupornickel is a robust alloy that is known for its resistance to oxidation.
  • The counter flow condenser allows low sea water velocity for even condensing.

This level of attention is only one of many examples of the thoughtful engineering that goes into every Technicold product. Made specifically for the harsh marine environment, Technicold chilled water air conditioning systems feature 316L grade stainless steel hardware and low-condensation design to ensure the best long-term value in the marine industry.

The experts at Technicold will help layout a complete climate control system through superior engineering and marine class components. For maximum onboard comfort the answer is simple: Technicold marine air conditioning.


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Don’t Be Left Out in The Cold – Electric Heat Solutions from Technicold

When it comes to on-board heating solutions you have a choice. Technicold – producers of the state of the art in marine climate control systems – recommends a safe, reliable electric heat solution. See below to learn more about the advantages electric heat enjoys over reverse cycle.

MV34_Stuart_FL

CONSIDER THE ENVIRONMENT

With a chilled water cooling system, both electric and reverse cycle systems are available to provide heat to your boat. However, there are many factors that go into choosing the right solution, including one that may not be obvious when considering the comfort of your interior – your exterior.

Electric heat is produced through your boat’s internal power source. Reverse cycle, however, is powered by a heat pump which transfers heat from one source to another. In the case of at an-sea environment, that external source is the ambient water.

Reverse heat has a limited range of operating conditions. Its ideal condition is in water that is 60o Fahrenheit. You may never encounter a problem with reverse heat if you can guarantee a water temperature of 60o – say, in the world’s largest bath tub!

Real world conditions, of course, are not that accommodating. Problems can manifest with reverse heat systems that are exposed to temperatures above 60o, or below 40o. Because there is not enough heat available in water temperatures below 40o, the reverse cycle system can short cycle on the low pressure switch. This leads to coil freezing and liquid slugging in the compressor. In extreme cold, the raw water condenser coil can even freeze and rupture. In other words, during the times when you need interior heating the most, reverse cycle heating is most vulnerable to failure.

Electric heat, on the other hand, is powered by the boat’s main AC source, and is therefore not subject to the variances of external temperature. The electric system design prevents the wear and tear on the compressors and raw water pump associated with the on and off cycling of a reverse heat system. Electric heat is also a much quieter option – there is no compressor or reversing valve noise as is present in a reverse heat system.

OPTIMAL VERSATILITY

Electric heat on chilled water systems is available through two different conveyances: immersion heat or heat strips. For immersion heat, a heat core is added to the condenser, which heats the entire loop. This is a good option for smaller boats, or scenarios where the entire boat must be kept at a consistent temperature. Heat and cooling is controlled through a single central control panel.

immersion-heater_1

Heat strips provide another heating option. Each air handler on a chilled water system can be equipped with its own heat strip, which can then be individually controlled by separate control panels. Each space on a boat can be temperature controlled as required. Heat strips are a good option for larger yachts and charter vessels. Grandma can turn up the heat in her berth, while the kids bouncing on the beds in their cabins remain cool.

2-stage immersion heater with flow switch2 b&w

DON’T BE LEFT HIGH AND DRY

Another scenario where electric heat is preferable is when the boat is out of the water. During refit or repair work – or even in winter storage – it is not possible to heat a dry boat with reverse heat. There is no seawater for the pumps to draw from. Because electric heat is provided by the boat’s AC power, it can be turned on at any time the generators are operating. Since most repair work is done in off-peak (winter) months, the work crew, engineers and anyone else on board will appreciate a heating option.

Your choice of climate control is important. Selecting a heating solution that is independent, versatile and efficient will provide long-term value and enhance your boating experience. Contact your nearest Technicold representative or visit our web site to learn more about the state of the art in marine heat, ventilation, air conditioning and refrigeration.

 


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Technicold Presents: The Commercial Operator’s Monthly HVAC Checklist

Downtime is never an option in the commercial marine industry.  But working with poorly functioning air conditioning in the summer months is unpleasant at best and a legitimate safety hazard at worst.  The marine HVAC experts at Technicold have the tips you need to make sure that your AC unit is ready for long summer nights.  Here are a few items that should be checked every month:   

“Read More”


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Free Seminar at CruiserPort, Yachts Miami Beach

Courtesy of Passagemaker Magazine

Boats run on more than gasoline or diesel fuel. You can’t buy one without reading the fine print, and you can’t keep its systems running without some basic knowledge. That’s why the people that bring you TrawlerFest are offering four free seminars at the Yachts Miami Beach Show next week.

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All four seminars happen on Friday, Feb. 12 at the CruiserPort tent at the end of RAMP 4. Take I-95 to S.R.195 East (Miami Beach on-ramp). Continue East on Arthur Godfrey Road to Collins Avenue. Turn left at Collins Avenue heading North. The Show is on the left side along the waterway between 41st and 51st Streets. Follow signs for Parking and FREE Shuttle Buses.

The Care & Upkeep Of Your Marine Generator Set

Your boat’s generator does a lot, but how well do you understand it? Northern Lights factory trainer Joe Maas will present a 45-minute seminar to explain generator service and maintenance. He will also discuss proper genset sizing and reasons for using the right coolant and lubricating oil. Attendees should learn everything they need to know to maximize their enjoyment of life aboard by ensuring that they always have the power they need. 11:30 a.m. – 12:15 p.m.

Marine Financing & Insurance

Phil Hawkins of Sterling Associates & Total Dollar Finance explains the basics of obtaining a loan to buy a boat and what you need to know about marine insurance. 1:30 p.m. – 2:15 p.m.

Keep Your Cool: Sizing, Service & Upkeep of Your Vessel’s Air Conditioning System

For many boaters, particularly in tropical climes, the biggest challenge is keeping cool. Shaun Hall, technical global sales director for Technicold Marine HVAC, will explain how to size a boat’s AC system, its basic operation and what you need to know about how to keep it running properly and effectively. 2:30 p.m. – 3:15 p.m.

Introduction to PC Navigation

PC-based marine navigation has revolutionized the way boaters plan and navigate voyages. PC-based navigation systems are easier to use and offer a more comprehensive user experience and sophisticated tools than what is available on a dedicated plotter, according to Rose Point Navigation Systems. Jeff Hummel of Rose Point, an electronics contributor to PassageMaker magazine, will cover all the basics, including software, choosing a program, charts and satellite and aerial imagery. 3:30 p.m. – 4:15 p.m.


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