Dcea Bogados Main Hydro Jetting Sewer Line Repair And Replacement Pros And Cons

Hydro Jetting Sewer Line Repair And Replacement Pros And Cons

There are pros and cons to using hydro jetting for sewer line repair and replacement services. Here we discuss the advantages and disadvantages of this affordable trenchless technique.

Advantages of Hydro Jetting Over Other Sewer Line Repair Methods

  • High Success Rate – Like any other repair method, hydro jetting has a success rate. In practice, however, most hydro jetting contractors report success rates of 95% or higher. The success rate of hydro jetting is because the process uses pressurized water, not air. So, if there is no blockage, the water will quickly break up any debris in the pipe, allowing the line to clear. In addition, hydro jetting can clean out the pipe if the damage is beyond repair. Then the line will stay in place.
  • Less Expensive – Hydro jetting is significantly less expensive than trenching or excavating a new line. In some cases, hydro jetting costs are comparable to replacing the sewer line. Moreover, we have seen clients who have chosen hydro jetting over SLLRR for its cost-effectiveness.
  • Quicker – The time it takes to dig a new sewer line depends on the project`s complexity and the condition of the existing right-of-way. Based on our experience, it typically takes six to 12 months to grade, lay, and connect a new sewer line. So, while the project begins once the line replacement is complete, the process is complete by the time the repairs are complete. Another advantage of hydro jetting is that it is quick. As a result, plumbers complete the job faster, saving money and keeping your property operational. Learn more Morningside Plumbing.

Disadvantages of Using Hydro Jetting For Sewer Line Damage

  • Some Damage Is Not Repairable – Damage to the pipe itself is removed using hydro jetting and is not repaired. For example, a pipe that suffers large cracks needs replacement services. Hydro jetting will not fix this type of damage. Also, if the damaged section of the pipe is too large, using hydro jetting will not work. So, extreme pipe damage will mean you need a replacement.
  • No Reuse Of The Pipe – A city sewer line is plastic, steel, or cast iron. Most hydro jetting contractors will clean the pipe using a non-abrasive cleaning method that leaves it untreated. That means the pipe is not treated for corrosion and will require regular inspection, cleaning, and maintenance.
  • Expensive To Inspect – A city sewer line is inspected routinely to ensure it is in good condition. Hydro jetting does not leave the line in good condition, so regular inspections are necessary. That can be costly.
  • Surface Impacts – Hydro jetting uses pressurized water, which in unskilled hands can damage surfaces or sidewalks. Read more information morningsideplumbing.com/.

Will Sewer Line Repairs or Sewer Line Replacements Solve The Problem?

That depends on the extent of the damage to the sewer line. Replacing the line is rarely cheaper than repairing it, but it might be more cost-effective eventually. The corrosion rate in a new pipe is higher than in an existing pipe, so that it will require regular inspection and cleaning. Moreover, once a sewer line replacement is complete, it cannot be used again and must be replaced. If the damaged section of the sewer line is small enough to be repaired, hydro jetting can clean out the line, and then the pipe can be reused. Another option is digging a deeper trench and using epoxy liners to line the trench while replacing the pipe. In some cases, hydro jetting is the best option and can save you time and money. Check out another resource here https://morningsideplumbing.com/.

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The 25-Second Trick For Thesis EditingThe 25-Second Trick For Thesis Editing

Know what scholastic writing services your university provides Lots of universities today have scholastic writing services, often a Writing Center. Trainees sometimes believe that these services are to help non-native trainees with writing in English. While this might be partially real, numerous writing centers also offer scholastic writing support for all trainees.

This does not indicate just whether to use APA or MLA referencing. Your institution might have some requirements of its own for the submission of dissertations. There can often be extremely particular formatting guidelines which can be quite lengthy to do ‘after the truth’ when you are doing final edits.

How To Write A Thesis Things To Know Before You Buy

9. Language use in your subject area Within your subject area, your scholastic discipline, there will be a great deal of extremely particular language. As a dissertation writer, you are likely well conscious of this already. One area of scholastic writing that can cause problems, even when we know our terminology, is how to build sentences about the technical phenomena in our area.

Having a few of these close to hand as you edit your own work is an outstanding idea. 10. Academic tone In most dissertations, we are expected to compose with an academic tone, which relates to the writer’s location in the writing. Normally, it implies eliminating the ‘I’ from our writing (though there are some dissertation and research styles where this is not constantly the case).

How To Write A Thesis Things To Know Before You Buy

Along with this, the writing avoids language that generalizes or is overly conversational. Academic writing preserves a degree of rule, from using the last names of authors to not using contractions. Lots of universities preserve websites, such as the Walden University Writing Center, with excellent recommendations about the components of scholastic writing, consisting of how to compose with an academic tone.

When you are starting your primary editing, think of the huge picture very first Your dissertation is a workout in interacting your primary concepts about a subject. In your editing, this should also be your very first concern have you used your writing (the tool) to interact your concepts and findings with clarity? Your dissertation examiners firstly want to read a work that clearly provides its bottom lines with a sensible development, and where the main concerns of your research have actually been dealt with – Edit My Paper Pro.

How To Write A Thesis Things To Know Before You Buy

12. Chapter by chapter In an academic dissertation, each chapter has a specific function each is nearly a task all on its own. A literature review chapter does something extremely different from an information and results chapter and from a conclusions chapter. With this stage of editing, we want to ensure the right info is in the right chapter.

You will also get the possibility to examine up on your use of commas, dashes, and the smaller components of your writing. Checking out aloud can help at this stage of proofreading. 14. Headings and content agreement A dissertation typically has a long list of headings and subheadings within every chapter.

How To Write A Thesis Things To Know Before You Buy

However, do keep in mind that such tools do not capture whatever, and do make some errors in their recommendations for your writing. Using them does not indicate you do not require to provide your writing a human spelling and grammar check too. You do! 16. The language functions of your writing Along with grammatical corrections in your writing, there are numerous improvements we can make to our writing during the editing process that will enhance the readability and ultimately the effect of our work.

Steel Roof Stone CoatedSteel Roof Stone Coated

Stone Coated Steel Roof  

Mighty Dog Roofing provides the the best choice for roofer stone coated steel roofing  located at Plano Texas. They are excellent at installing stone-coated steel roofs in Plano Texas. We’ve built hundreds of these roofs across the Plano as the top roofing contractor in Plano and are able to make them last a lifetime. If you opt for this kind of roof, we’ll install it using only the finest quality materials and the finest workmanship that any other contractor can offer that’s in the area.

Plano, TX Stone Coated Steel Roof

Stone Coated Steel Roofing 

Stone coated steel roofing presents a certain upscale style that cannot be mimicked by any other type of shingle. They are made to match any style of home, and can match the look of more expensive and less durable shingles such as wooden shake shingles. The key selling point to this type of roof is that they can be painted in many different schemes so you can match the area you live in. Most Mediterranean style homes use this type of shingle and have them painted the color orange to really match this exotic home style that you do not see very often in the US.
The idea behind this type of special shingle is to have a roof that will last you a very long time. Because these shingles are stone coated and made of steel, they are very resistant to bad weather, heavy rains, wind damage, and any other type of damage that traditional shingles are vulnerable to. Another reason why these steel shingles are coated with stone is so that they are not loud during rain storms. This coating also directly protects the steels from suffering from wear and tear. If you live in an area that is no stranger to heavy thunderstorms, you should definitely look into replacing your existing roof with this special kind of shingle.
Most types of shingles are unable to replicate the look of an old-style cedar shake roof. This type of roof is made completely of cedar plank, and has a very distinct characteristic of looking very high end. Stone coated shingles can be installed to mimic this type of roof right down to color matching. The reason people would rather have stone coated steel shingles is because they last longer than cedar shingles, and they cost much less. Why spend more on a product that will not last as long when you have this product as an alternative.

Why is a Stone Coated Steel Tile Roof the Best Roofing Choice For Your Home? 

There are many roofing options, so why do homeowners invest between $20,000 and $60,000 in roofs? When your most common type of roofing material is a asphalt shingle roof. It’s because many people believe that it’s the cheapest roof, well it’s because it’s cheapest! With costs anywhere between $5000-$15,000 many homeowners aren’t aware that they are literally throwing money in the trash! This type of roof claims to be a 30yr shingle however it’s usually 10- 15yrs. In reality, if you intend to live in your home that long then you might have to repair your roof again. This means you’ll have to double the cost of your roof, as well as adding inflation costs. Now , you’re looking at paying $15,000-$20,000 for your roof a second time!

Why?

Have you ever thought about the warranty of an asphalt shingle! The warranty usually covers only the first year of replacement and that’s just for the shingle. It is not transferable. Therefore, you cannot transfer your roof investment to a homeowner who will purchase it in the near future. It’s a pain! It is absurd to spend anywhere between $10,000 and $15,000 on roofing, and not receive any protection. This is mainly due to the fact homeowners can buy shingles at Home Depot and then put them on their roofs on their ownHe can even be a weekend warrior and win the battle. His job title is computer engineer. He must also be able install his own roof.

Wrong!

Your roof will protect your investment below, your house!

Stone Coated Steel Tile Roofing is the best choice. This roofing material is permanent and is not required to be replaced. This type of roof comes with an entire lifetime transferable warranty. You can select from a variety of colors or even customize your own colors. This is for homeowners who are looking to make an investment in their home and want a beautiful looking home. This roof is ideal for re-roofing due to its light weight. Most of the time, you will have say, a wooden shake roof and you’re planning to put on a tile. There are two choices. There are two options available: concrete, heavy tiles or light-weight roofing made of steel tiles. Which do you think your house can support? It’s not difficult to decide, is it? Even though it’s a pricey roof, you can choose. If you were me, I would seek out a professional in steel tiles about the roofing options. They are the type of roofing contractors that can install any type of roof you want. Therefore, call them first. Call me, I’ve helped people with their roofing for a decade today. The most important thing I would never like to do is sell you a crappy roofing.

A Brief About Steel Roofing 

Steel roofing is a type of metal roofing similar to roofs made of aluminum, zinc and more. They are less heavy and more easy to install than traditional roofing systems like slate or terna. This kind of roofing material can be made of galvalumine or stainless steel. The roofing sheets are available in various forms, such as box profile, cladding sheet as well as alloy sheets and stainless sheets. They also come in corrugated, single or double-skin steel cladding , and sheets coated with other materials such as polyester. Certain roofing materials can be useful to cover walls of buildings such as warehouses, factories or any other commercial structures.

Stainless steel roofing is employed extensively in commercial structures, as well as domestic buildingsThey can achieve the modern shapes required by design, which require more glass than conventional roofing. Stainless steel is more resistant to corrosion properties. However, they are more expensive than other roofing systems. The stainless steel alloy roofs are more durable, corrosion resistant and thermally efficient.


Steel Roofing Benefits 

Steel roofing is a beautiful way to keep your home safe. It is a low maintenance material that lasts many years and is ideal for harsh weather without cracking, breaking the roof, burning, curving and splitting, or rotting. There are many additional advantages to steel roofing. A few of them are very surprising to the majority of people who hear about this at first.

Steel roofing has interlocking panels that will create a weather tight barrier for keeping heat and cold from entering and exiting.

A majority of companies offer an transferable warranty of 50 years which will include wind and hail. It’s impact-resistant and is able to be walked on. They are lightweight. It is usually between 125 and 160 pounds per 100 square feet.

Steel roofing is durable and lasts for a long duration. Steel roofing is indestructible to water and is also resistant to freezing or melting. You can get it in the form of shingle profile, shake profile or tile profile and it is coated with a light aluminum zinc alloy, so it will not be rusty. It can also be purchased with three-millimeter ceramic stone granules then sealed with polymer coating. This, and the fact that it’s made of steel will help keep your home to avoid burning. Steel protects the roof from the ability to burn and prevent lightning from catching the house on fire as well. Steel is extremely durable and it is possible to walk or even leap on it. It is able to withstand harsh conditions of weather and is extremely robust.

Your home will be secured from weather and fire. The insulation value and resale value are both higher. A dual pane window will be installed over the entire roof to provide better insulation in your home. It is environmentally friendly and comes from other recyclables.

They are available in various designs and colors to make sure that it’s possible for you to get the look and feel you want. The companies understand how crucial it is to have every aspect of your home designed and coordinated correctly. You can achieve a sophisticated look for a not very upscale price at all. This kind of roof is three times as long as any other type of roof. This is something to take into consideration when evaluating the amount of time and effort needed to keep your home in good condition.


Stone Coated Steel Roofing – Did You Know it Has Been Around For Over 50 Years? 

Let’s talk about Stone Coated Steel Roofing Systems from DECRA(r) Imagine the beauty of an architectural shake or tiled appearance to your home, but with the durability to have the Class A fire rating, and a Class 4 resistance to Hail, to be warranted against wind speeds up to 120 mph and to be protected with a transferable, 50-year limited warranty.

Contact me if you are interested. Stone Coated Steel Roofing is a concept that has existed for decades. The original creator of the Decra system first saw the concept during a trip around Europe following World War II. The system has developed over the years into an extremely durable and stunning product.

Today DECRA(r) products are manufactured with a solid but lightweight aluminum-zinc alloy coated steel which is then coated by 3M ceramic coated stone granules. They are then sealed with a special polymer coating.

There are a variety of designs and colors that are available to choose from for the DECRA(r), roofing system. Let’s begin with the Italian classical elegance of DECRA(r), VILLA TILE. Villa Tile offers the architectural details of an Italian tile roof but with the superior quality and durability of steel. In close proximity, you may find the DECRA(r) TILE more appealing to you. This is a more Mediterranean-inspired panel and comes with all the amazing features.

You can select DECRA (r) SHINGLE or DECRA (r)SHINGLE PLUS if you like an architectural appearance. Shake gives you the look of a cedar roof with an incredibly deep profile that doesn’t fade. Decra Shingle offers an architectural look for a fraction of the price of asphalt shingles. Shingle Plus provides a more textured, richer shingle with a fraction of the weight.

Stone Coated Steel Roof FAQs

What is the stone coated steel roofing product made of?

  • 26 gauge, pre-primed, galvanized steel
  • Coated by poured on acrylic basecoat
  • Embedded with ceramic earth-stone granules
  • Over-coated with a clear acrylic glaze and baked on


How heavy is stone coated steel roof?

Stone coated steel roofs weigh only about 1.5 lbs per square foot, which is seven times lighter than most clay or concrete tiles which weigh 6 to15 lbs per square foot. Stone coated metal roofs are even lighter than inexpensive asphalt composition shingles, and they are far more durable than any asphalt shingles.


How noisy is a stone coated steel roof?

Due to the interlocking design, insulated dead-air space between the roofing layers, and the earth-stone granule finish, these roofs are very quiet. A stone coated metal roof is often much quieter than an asphalt shingle roof.


What is the lifespan of stone coated steel?

The lifespan is 50+ years which is 2-3 times longer than most traditional asphalt shingles.

 

Will heat and cold make a stone coated steel roof contract and expand?

There is minimal movement with steel roofs due to the fully interlocking profile when affixed to the batten. Also, the rough granule finish and angular design add to restricting movement.

 

Slate Roof Installation 

Mighty Dog Roofing provides the the best choice for roofer slate roof installers located at Plano Texas. Our Plano slate roofers are among the top across the region. This makes them among the best roof builders in Plano. We’ve done slate roof installations for nearly sixty years. We don’t want to take shortcuts or make a mistake because we know how important these aspects are. We are able to deliver a high-quality product and top-quality service.

Plano, TX Slate Roof Installation

Slate Roof Installation With Hip and Ridge Joints

Slate roofs are preferred by many as they are among the best types of roofs. Though the installation cost quite a bit of money, slate roofs are great in improving the general appeal of the housing. Usually, homes with this type of roof installation have higher values.

Slate roof installation involves setting the hip and ridge joints. Before slating the roof, furring strips along the hip need to be installed. The standard thickness of slates is 3/16″ to 1/4 “. For slates with this thickness, 3/4″ furring strips are recommended. Nail these furring strips to the roof using 2.5″ hot dipped galvanized common nails.

On the bottom of the furring strips, install the first piece of the copper flashing using 1.5 copper roofing nail. To hide the furring strips, fold the bottom of the flashing.

Slate roof installation follows after the copper flashing has been nailed and folded. Install the slates over the flashing by nailing them into the furring strips. 1.5 copper roofing nails can be used but certain areas need to be attached with 2.5 copper roofing nails.

Install the next piece of step flashing over the hip slates. For this, a single nail will do. After this, nail the next pair of hip slates over it with at least two nails per slate. Fold the flashing lengthwise in half with 4″ in each side. With this, the overlying slates and flashings, the 16″ hip slates are to be overlapped halfway. Meanwhile, the step flashings would be overlapping each other by 2″.

Continue the setting up in this manner, flashing over the top of each pair of hip slates. The hip slates can be installed even without cutting and they do not to be tapered as well. To finish quickly, install the slates in pairs, not one side at a time.

Slate Roofing Made Easy – Choosing The Right Tools And Materials 

If you are planning to put up your own slate roof, it is recommended to do your research ahead of time. You must be prepared to be successfulBe sure to know about the different types of slate, manufacturing methods including flashing, sheathing, nailing, and other roofing materials prior to you start.

First of all, check whether your roof is suitable for the installation of slate roofing. Slate roofs shouldn’t be installed with a slope less than 4:12. This is at a minimum of 12 feet elevation on 12 feet of running. If your roof meets this standard, you should give thought to buying the right slating tools and to buying the slates and other materials you will need to complete the task.

Tools

You must ensure that you have the appropriate tools for slating, and that they are being used. A slate hammer, a slate cutter, and a slate-ripper should be in your toolkit. Choose a slate cutter and not a diamond saw when cutting slates. The former creates an edge that is bevelled of the slate, which is in line with the appearance of other slates, whereas a diamond blade creates a square edge which looks out of place.

Slates

All slates are not created equal and you want the best slates for your roof. When choosing slates consider the quality, type size, thickness and the impact on your work. For instance, large slates are harder to cut while small slates take longer to put in place because there will be more of them.

Verify whether the nails are placed at the right place on the slates. The holes should be positioned so that you can put the nails to be just above the top of the slate underneath. If the nail holes are too shallow they will be able to nail right into the head of the slate beneath it, and you shouldn’t do that as it can create leaks.

Make sure that you purchase the right amount of slates. You should work out your head lap ahead of time and order enough slates to allow for this. It is recommended to purchase slates for your starter course separately. The slates used for starter courses should have the nail holes only on the front and top.

Materials

Slate Nails

Use high-quality nails. Slate nails must be stainless steel or aluminum. The most popular type of nail is copper. areas with a lot of coastline as are silicon-bronze nails best in extreme conditions.

The proper length of nails is crucial. The nails should only penetrate the roof deck boards when installing them. This is important because too long nails could damage the wood and lead to them to break or split the wood behind. This reduces the thickness of the boards and increase the strength of the nails.

Decking materials

The decking materials that are under the slate have to last at least as long as the slates themselves, so you must select materials that are strong enough to last. This requirement is met by battens and wood boards that have an average thickness of 20-40mm. They can be rough-sawn, planned or of tongue-in-groove type. Other decking materials that are durable include concrete that can be nailed and Gypsum. Avoid laminated and plywood.

Underlay

Underlay isn’t necessary for slate roofing. The underlay is essentially a barrier to water from the moment the slate tiles are laid before the flashings are sprayed. It can also be used to draw chalk lines. In most cases one layer of 30lb felt is enough.

Material for flashing

Use good flashing material. You can choose stainless steel, copper, or sheet lead. You should use a heavier material for valleys and gutters as opposed to ridges and chimney flashings.


Slate Roofing For Your House 

If you’ve decided to install a slate roof on your own, then there are a few things you will be required to prepare before you jump in. Let’s now look at the numerous issues associated with slate roofing. The very first thing to check is whether your roof has a slope ratio greater than 4:12. That is the slope must have a rise of 4 feet over a distance of 12 feet.

Roof Materials

The standard tools for roofing slates include the slate ripper, cutter and a slate hammer. If you don’t want end up with slates that have a square edge, then avoid using diamond saws and stick to the slate cutter that gives you a nice finish.

Slate Variety

Slates come in a variety of forms as with any other construction material. Slates are available in a variety of material and quality and are also available in various dimensions and thickness. The slate you pick will affect how you get your roof built. The slates have nail holes and you need to ensure that the slates placed in a way they allow for the nail to be inserted onto the slate’s head. This will stop any leakage.

Once you’ve selected the kind of slate you’ll need be used to build your roof, you must purchase the correct quantity of slates. You might find that the slates you purchased are not available anymore and you must be returned to the retailer. Get additional slates in case some plates could get damaged as the roof is constructed. It’s not a bad idea to buy the initial slates separately.

Other Materials

Slate roofing will use many nails. Therefore, choose nails that are made from aluminium or stainless steel since they are not susceptible to rust opposed to iron nails. If you reside in an area where there are extreme weather conditions, then copper nails are the one to go with. In slate roofing the length of nails is vital. The nails should not go beyond the roof deck. Anything more will cause damage to the wooden boards.

Along with nails, you will use decking materials too. They should be of the same length like the slates below. Avoid laminated wood and plywood decks. If you wish to, you can put in an underlay that will hold in water until the slates are installed.

Slate Roof Repairs – The 100 Year Roof!

An Environmentally Conscious Refrigerant for Air Conditioners You Should Know More AboutAn Environmentally Conscious Refrigerant for Air Conditioners You Should Know More About

Most air-conditioners and heatpumps offered around the world utilize a refrigerant called R-22. Emissions of R-22 are considered by some professionals to be a significant part of depleting the ozone layer that secures animals and individuals from damaging rays from the sun.

Families now have the option to request for an air-conditioner or heat pump that utilizes a more efficient and ecologically friendlier refrigerant called 410A or R-410 when purchasing a new system for their house.

If your system ever leaks, the escaping refrigerant won’t contribute to ozone deficiency! Why can’t R-410A affect the ozone layer? R-410A is not a CFC or an HCFC.

When your system requires to be repaired in a couple of years, you prevent the risk that R-22 could end up being pricey or challenging to get. The old refrigerant R-22 will be phased out in addition to other ozone depleting chemicals, and both supply and need of this chemical will be considerably impacted by upcoming and existing guidelines. By selecting an a/c or heat pump that utilizes R-410A, you will prevent the risk connected with buying a product that is destined to end up being outdated.

The heart of every air conditioner or heat pump is the compressor, and more recent systems are particularly developed to utilize R-410A refrigerant. R-410A can take in and release heat more efficiently than R-22 ever could, compressors with R-410A run cooler than R-22 systems, minimizing the risk of burnout due to overheating.

All of us understand that the first thing “to go” on a cooling system is the compressor. All air-conditioning systems utilize an oil that flows through within the system to keep all of the parts well lubricated, similar to the engine of your vehicle. R-22 a/c units utilize an oil called “mineral oil” that has been utilized for decades. R-410A a/c units utilize more recent synthetic lubes that are generally more soluble with the R-410A than the old mineral oils are with the older R-22 refrigerants. This suggests the synthetic lubes and R-410A can mix and circulate more efficiently to keep the compressor and other moving parts lubricated, minimizing wear and extending their life. Also, simply as many brand-new vehicles utilize synthetic oils due to the fact that they are less likely to break down under high tension and heat, the brand-new synthetic oils utilized in R-410A ac system are less likely to break down under severe conditions.

R-410A offers some wonderful advantages, but it needed the producers of a/c units to redesign their items to make the most of the properties of the refrigerant. The reason why a refrigerant works is due to the fact that it captures the heat from one place, and then releases the heat somewhere else. R-410A captures heat and then releases it much better than R-22 did, so producers have actually discovered that they require less refrigerant in an R-410A air conditioning unit than they required in an R-22 air conditioning unit. Due to the fact that there’s less refrigerant, they require less copper tubing, and typically can utilize a smaller sized compressor. The bad news was that R-410A could not be utilized in a/c units that were made to utilize R-22, but the advantages for brand-new a/c units were too great to pass up.

It’s obvious that a/c units made for using R-410A are more efficient, more reputable, and might even be less costly then the older units that still utilize R-22. Compare the SEER or EER scores and the ENERGY STAR score to be sure.

For more information give these professionals a call for a brand new air conditioning unit or these services:

 

 

In Conclusion

R-410A can give up and take in heat more efficiently than R-22 ever could, compressors with R-410A run cooler than R-22 systems, minimizing the risk of burnout due to overheating.

R-410A air conditioners utilize more recent synthetic lubes that are generally more soluble with the R-410A than the old mineral oils are with the older R-22 refrigerants. Just as many brand-new vehicles utilize synthetic oils due to the fact that they are less likely to break down under high tension and heat, the brand-new synthetic oils utilized in R-410A air conditioners are less likely to break down under severe conditions.

R-410A records heat and then releases it much better than R-22 did, so producers have actually discovered that they require less refrigerant in an R-410A air conditioner than they required in an R-22 air conditioner. The bad news was that R-410A could not be utilized in air conditioners that were made to utilize R-22, but the advantages for brand-new air conditioners were too excellent to pass up.