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Clean that coil!

Clean that coil!

Selecting a coil cleaner is important since the cleaner must neutralize and remove deposits on the coil's surface. There are three types of cleaners: alkaline, acidic and surfactants. Which one is right for you? Alkaline cleaners are most widely used in neutralizing acidic coil deposits and are one of the most common types of coil cleaners. The reaction of the cleaner with the coil and dirt causes a foaming action (oxides or hydroxides of aluminum) resulting in the stripping away of minute layers of the base alloy with the soil attached. These types of foaming cleaners are harsh and are usually labeled as corrosive. Usually, this type of cleaner contains sodium hydroxide or potassium hydroxide. These base ingredients are so harsh that they attack the metal, the coil coating and can cause serious injury. Some of these are even known to cause chemical burns on the skin. The other concern when applying these cleaners is the ability to rinse. Most hydroxides tend to cling to the surface unless sufficient wetting agents have been added to the formula to reduce surface tension of the solution. If the solution does not have enough wetting agents and is not rinsed thoroughly from the surface, the residual material can settle at the fin/tube interface and continue to attack the fin. Acidic cleaners are similar to the alkaline cleaners in stripping away or "etching" the metal. When cleaning with an acidic cleaner, you will notice that the surface usually looks brighter. However, it is not necessary to brighten the coil to remove corrosive deposits. The passive oxides on the fin surface are not a detriment to the fins function of heat exchange. In the past, cleaners have included nitric, hydrofluoric, sufuric, or muriatic acids. These are extremely damaging to coil metallurgy and the environment and should be avoided except in an industrial environment. Modern cleaners are much more compatible with the environment and usually have a base of phosphoric or citric acid. These too are labeled as corrosive and should only been used to neutralize caustic deposits or prepare metal surface for coating. Husky Coil Sheen is a phosphoric acid cleaner that we recommend for use on non-coated coils prior to coating. It is also recommended for use in coastal environments to remove and neutralize airborne sea salts that deposit on condenser coil surfaces. Surfactant cleaners are the preferred method of cleaning your coil. Their foaming action reduces surface tension, penetrates dirt, emulsifies and dissolves the solids without attacking the base metal. They are free-rinsing and lift and remove deposits easily. They are safe and easy to apply, are environmentally friendly and rinse quickly. Surfactants are almost always non-corrosive. Husky Coil Guard is is a highly concentrated surfactant cleaner that removes dirt, grime, insect residue, and airborne deposited corrosives without damaging the coil's surface. It is recommended for all Bronz-Glow coated coils and is the only cleaner that will protect your coating warranty. It is safe for both the applicator and the environment.

Coils have planned obsolescence?

Coils have planned obsolescence?

Manufacturers of air-conditioning equipment have designed units, particularly coils, to meet higher Seasonal Energy Efficiency Ratio (SEER) ratings. Equipment today is much more efficient than that of just 3-5 years ago. This is gratifying to the owner and power companies as the initial operating demand for energy is reduced. However, the new design of most fin tube heat exchangers (coils) while more efficient is less resistant to corrosion from atmospheric conditions. In developing higher efficiency equipment, manufacturers include typical changes such as increasing the fins per inch, increasing the face area of the coil and adding configured or enhanced fins to increase air flow and create a greater vortex of air passing through the coil for improved heat transfer. The higher fin count and the raised enhancements require thinner gauge aluminum to be employed in manufacturing the fin. Further consider that most modern aluminum is recycled and may contain impurities from the re-manufacturing process. These impurities create anodic cells and intensify the rate of corrosion. Recycled aluminum is not as pure as aluminum derived from bauxite. Coating your coils can eliminate these hot spots of corrosion. These design features make the modern coil even more susceptible to corrosion and entrapment of airborne particles, thus reducing operating efficiency over time. Dirt and other airborne particulates impede air flow through the coil. In corrosive environments, thinner, enhanced fins are more likely to deteriorate from abrasion and corrosion than a coil of older design (14 fpi wavy or plate fin coil made of heavier gauge aluminum). Regularly scheduled coil cleaning removes corrosion and accumulated airborne pollutants such as dirt, soils, insect residue from the coil surface. Proper coil cleaning at regular intervals makes a significant contribution to extending equipment life and is an excellent source of energy conservation for your new coil. Yes, replacing your coils can save you money on your energy bill, but to maximize your savings, you need to protect those coils and keep them clean over the life of the coil.

It's That Time of Year...

It's That Time of Year...

No, not frosted window panes and painted candy canes on the tree, I am talking about Dirty Sock Syndrome (DSS). You turn on the heat and the smell of gym socks wafts through the house, over powering even the gingerbread just out of the oven. DSS is caused by bacteria roasting on your evap coil, not exactly the makings of a holiday song. Don't cry in your eggnog just yet, there are several things you can do to help combat it. First, if you have a new (or newer) coil, call us to get a quote to dip coat it. Our proprietary coating causes water to drain away, minimizing the growth of the bacteria in the first place. We have the best results in the industry in eliminating Dirty Sock Syndrome. If you can't spare your warm air while we coat your coil, consider trying our Bronz-Glow Evap-Zap foam coil cleaner when we launch it in our online store after January 1st. Simply turn off the power to your HVAC unit, spray Evap Zap uniformly onto your Evaporator Coil and turn the unit back on. The cleaner comes with an extended tube to help coat those hard-to-reach areas. The cleaner is self-rinsing on the cooling cycle and will kill any bacteria that are stealing your holiday joy. (If you are running your heat continuously, you will need to rinse away the cleaner.) Lastly, if your unit is uncoated and you have no intention of coating it soon, call your HVAC contractor to ask about installing a UV light. They are costly and require frequent bulb changes and only eliminate some of the bacteria, not all of it. However, there is no substitute for a Bronz-Glow coated coil in eliminating those humbugs. Call us today for more information or if you just cannot wait until then to try our Evap Zap. "It's that time of year when the world falls in love
Every song you hear seems to say,
'Merry Christmas, may your New Year dreams come true' And this song of mine in three-quarter time
Wishes you and yours the same thing too."

UV Lights for HVAC systems

UV Lights for HVAC systems

Many HVAC companies will install UV lights around your evaporator coil to kill germs and eliminate odors. UV lights can create ozone which can be more hazardous to you than the bacteria you are killing. Ultraviolet lights are often described as a germicidal killer in HVAC systems both residential and commercial. There are many UV systems available that claim to reduce or eliminate harmful toxins and bacteria that grow in the moist, dark areas of the AC unit (specifically the evaporator coil). UV lighting is installed near the evaporator coil. Although this lighting does in fact help to subside growth, they are unable to penetrate the internal areas of the coil thus allowing the growth of contaminants within the coil that are undetectable to the naked eye. These unseen contaminants can then be spread throughout the ducting, allowing for further growth and distribution through the air being pumped through the vents. You recognize this growth when you turn on your heater and the smell of dirty socks spreads throughout your home. This is known in the industry as Dirty Sock Syndrome (DSS) and can be caused by many different factors. See our blog post on DSS for more information. According to https://housesogreen.com/2014/07/hvac-uv-lights-for-ac-systems-do-they-work/, the cost of UV light installation, maintenance and energy costs must also be considered when purchasing a UV light system. The light is estimated to range from $130-$500 to purchase and around $100 a year to maintain. (Energy usage is around $25 per year and the bulb must be replaced annually at a cost of $70.) These costs are a continuous burden on the home or business owner and are totally unnecessary. With Bronz-Glow coated coils, your energy efficiency actually increases over time compared to an untreated coil and the only maintenance required is coil cleaning. Furthermore, the housesogreen.com article lists the many disadvantages of using UV lights. They do not sterilize moving air without additional air sterilization UV lights being installed. The UV lights can also damage plastics within the air handler, deteriorate the drain pan and destroy flexible ducting as well. There are appropriate uses for UV lights, but eliminating odors from mold growth is not one of them. The answer to this problem is simple; by using a protective chemical coating on the affected areas with the coating treatment being done prior to installation. This particular product offered by Bronz-Glow Protective Coatings will not allow the growth of contaminants on its surface. Mold and Mildew will not accumulate or grow on this polyelastomer coating. No More Smelly A/C Units!

Bronz-Glow's UV Inhibitor Explained!

Bronz-Glow's UV Inhibitor Explained!

We live in Florida-we understand the effects the sun has on your equipment. Our Do-It-Yourself products offer 10 year UV protection in an easy to use aerosol product. Husky Coil Coat Gold and Husky Green Fin Coil Protector: Bronz-Glow Husky Coil Coats use Hindered Amine Light Stabilizers (HALS) as long term UV inhibitors. HALS trap free radicals formed during oxidation thus minimizing any degradation of the coating. Through the process of the Denisov Cycle, they are able to return to their initial state, adding efficiency and longevity to the coating. In fact, HALS are some of the most effective long-term UV stabilizers. There are several other benefits of using this method of UV inhibitor. There is no impact on the color of our product. These products provide good solubility in most industrial solvents and are highly compatible with a wide range of polymers. Other Bronz-Glow products: HALS also perform well when combined with UV absorbers. We have combined the two for maximum UV protection in our Component Coat Platinum, Component Coat Clear, SPC, and SeaCoast products. UV Absorbers absorb the UV energy and disperse it throughout the surface as infrared energy. Combined with the HALS technology, we maximize your UV protection. What can you protect? We have many people who use our products to protect the feet of their patio furniture, the metal decor that adorns their yards and even outdoor pump and water equipment. In harsh environments like coastal areas or around pools, Bronz-Glow products protect like no other Do-It-Yourself coating. Try us and see for yourself. UV Lighting and HVAC Ultraviolet Light (UV) This invisible light falls between the visible light range and X-rays. UV lighting is broken down into three wavelength ranges, UVA, UVB, and UVC. These ranges fall between 100 Nanometers (NM) too 400 NM. The lower the range, the more dangerous it becomes. Starting out with UVA, this range falls between 315 -400 NM’s. The most common use is sun tanning, stage affect lighting, black lighting and photography. UVB is a little stronger and can cause serious medical problems when exposure is over exceeded. The wavelength range is 280 – 315 NM’s. Often used for testing, inspection and photography, this UV range can cause sun-burn and extreme dehydration. UVC is the bad boy of the entire spectrum. Falling in the 100 – 280 NM’s spectrum, this lighting can indeed kill many molds, viruses, mildews and other undetectable airborne elements. Often used as a germicidal killer in water purification systems at the range of 254.7 NM’s and produces Ozone at 185NM’s.

Dirty Sock Syndrome

Dirty Sock Syndrome

Moisture that accumulates on evaporator coils, under certain conditions, can be a haven for bacteria, mold and mildew. When you turn on the heat, these surfaces are heated, but are not hot enough to kill the bacteria. Humid climates increase the possibility of growth just enough to make them smell awful-like Dirty Socks. What can homeowners do? Many HVAC companies will recommend antiseptic cleaning or UV lights to eliminate the problem. Often, it is only a temporary fix and sometimes can damage your HVAC unit or even increase health hazards in your home. Bronz-Glow can coat your coil with our proprietary protective coatings. Not only will we be able to extend the life of your unit and maintain its operating efficiency over time, we can prevent the water from collecting on the coil long enough to grow the bacteria in the first place. We have over a 99% success rate with solving Dirty Sock Syndrome. Tip: Dirty Sock Syndrome can and often does appear after a coil is changed out or retrofitted. Even with an identical change out, the cooling requirements of your home change over time. The replacement unit will have increased energy efficiency and could end up being oversized, resulting in less moisture removed from the air. Here’s how to get your coil coated: Contact your local HVAC contractor and specify that the unit be dip coated by Bronz-Glow. Head to our home page to request a quote. Have the contractor ship the unit to us directly from the manufacturer. Schedule the installation of your newly coated coil.