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Low in Freon gas!

Your air conditioning is no longer cooling.

There are numerous reasons why your air conditioning system may not be providing cooling. Many of my past customers have encountered issues with their AC not cooling and jumped to the conclusion that it was due to a lack of Freon gas, which is a common misconception. In reality, repairing an air conditioning unit involves a thorough inspection of all its components, including electrical and mechanical parts, among others. Troubleshooting is a systematic process aimed at identifying the precise issue. Sometimes, the solution can be as straightforward as resetting the main circuit breaker in the main panel. However, if this does not resolve the issue, it is advisable to contact a professional air conditioning repair service to handle the problem for you.

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Leaking air conditioning coil

Conducted a pressure test on an air conditioning (AC) coil and have discovered multiple microscopic leaks in the copper tubing. This is a common issue in HVAC systems and can significantly impact the efficiency and performance of your air conditioning unit. Here are some steps and considerations for addressing this issue:

  1. Assess the Severity: Determine the number of leaks and their sizes. If there are a few small leaks, repairs might be feasible. However, if the coil is extensively damaged with numerous leaks, replacement might be the more cost-effective and reliable option.
  2. Repair Options:
  • Soldering/Brazing: Small leaks in copper tubing can sometimes be repaired by soldering or brazing, using a suitable alloy. This requires skill and the right equipment to avoid further damage.
  • Epoxy Sealants: For microscopic leaks, there are specific HVAC epoxy sealants designed to seal small leaks. However, these are usually considered temporary fixes and may not be suitable for all situations.
  1. Consider Professional Evaluation: Given the complexity of HVAC system repairs and the potential for further damage if repairs are not conducted properly, it might be beneficial to consult with a professional HVAC technician. They can provide a thorough assessment and recommend whether repair or replacement is the best course of action.
  2. Replacement: If the coil is old or the damage is extensive, replacing the coil or even the entire AC unit might be more economical in the long run. Newer units are also more energy-efficient, which can lead to savings on your energy bills.
  3. Prevent Future Leaks: Regular maintenance and inspections of your AC unit can help prevent future leaks. This includes checking for signs of corrosion, wear, and ensuring that the system is operating under the correct pressures to avoid stressing the components.

Microscopic leaks in AC coils can be challenging to manage due to their size and the difficulty in effectively sealing them for a long-term solution. Carefully weigh the cost and benefits of repair versus replacement, considering the age and overall condition of your AC system.

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Freon leak source

Finding a leak in an air conditioning system can indeed range from straightforward to highly challenging, primarily depending on the size and location of the leak. Large leaks, such as those from a cracked pipe or a visibly broken component, can often be identified quickly through visual inspection or by noticing a significant drop in system performance. However, small leaks present a more complex challenge and require a meticulous approach for detection.

Challenges in Locating Small Leaks

  • Accessibility: Air conditioning systems consist of numerous components, including internal coils, external units, and extensive piping that may run through walls, ceilings, or floors. Not all parts are easily accessible for inspection, making it difficult to visually identify small leaks.
  • Size of the Leak: Small leaks, especially those that are microscopic in size, may not immediately impact the performance of the system in a noticeable way. They can, however, accumulate over time, leading to a significant loss of refrigerant and decreased efficiency.
  • Lack of Visible Signs: Unlike larger leaks, which may leave obvious signs such as pooling refrigerant or large amounts of oil residue, small leaks might not leave any visible trace. In the case you mentioned, the safety valve was identified as a leak source because the area around it was shiny, indicating an absence of oil residue which could have otherwise masked the leak.

Techniques for Detecting Small Leaks

  1. Electronic Leak Detectors: These are specialized tools that can sense refrigerant gases in the air. Technicians use them to scan areas where leaks are suspected, including welds, connections, and valves. These devices are highly sensitive and can detect very small leaks.
  2. Dye Tests: A fluorescent dye can be added to the refrigerant. Over time, this dye will escape through leaks and can be made visible under a UV light, revealing the location of the leak.
  3. Pressure and Vacuum Tests: By pressurizing the system with nitrogen or pulling a vacuum, technicians can determine if there is a leak based on pressure changes. This method can indicate the presence of a leak but might not precisely pinpoint its location without further investigation.
  4. Soap Bubble Test: For accessible areas, a soap solution can be applied to suspect points. Bubbles forming indicate escaping gas, thus pinpointing the leak. This method is more practical for larger leaks or leaks at accessible connection points.

Role of the Technician

Technicians must adopt a systematic approach, often starting with a visual inspection and followed by the use of specialized tools and techniques to detect and locate leaks. They must scrutinize all potential weak points, including welds, connections, and valves, where leaks are most likely to occur. The process can be time-consuming and requires patience, experience, and a thorough understanding of the air conditioning system’s operation and layout.

In the example you provided, the technician identified a safety valve as the leak source due to the shiny background indicating a clean area free of oil residue, which is often present around leak points. This observation points to the importance of experience and attention to detail in diagnosing and resolving issues within complex systems like air conditioning units.

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Block category: Common Elements

The Common category includes the following blocks: Paragraph, image, headings, list, gallery, quote, audio, cover, video.

The paragraph block is the default block type.  It should not have any alignment of any kind. It should just flow like you would normally expect. Nothing fancy. Just straight up text, free flowing, with love.

This paragraph is left aligned.

This italic paragraph is right aligned.

Neither of these paragraphs care about politics, but this one is bold, medium sized and has a drop cap.

This paragraph is centered.

This paragraph prefers Jazz over Justin Timberlake. It also uses the small font size.

This paragraph has something important to say:  It has a large font size, which defaults to 36px.

The huge text size defaults to 46px, but the size can be customized.

This paragraph is colorful, with a red background and white text (maybe). Colored blocks should have a high enough contrast, so that the text is readable.

Below this block, you will see a single image with a circle mask applied.

Image Alignment 150x150

H1 Heading

H2 Heading

H3 Heading

H4 Heading

H5 Heading
H6 Heading

Ordered list

  1. The software should be licensed under the GNU Public License.
  2. The software should be freely available to anyone to use for any purpose, and without permission.
  3. The software should be open to modifications.
    1. Any modifications should be freely distributable at no cost and without permission from its creators.
  4. The software should provide a framework for translation to make it globally accessible to speakers of all languages.
  5. The software should provide a framework for extensions so modifications and enhancements can be made without modifying core code

Unordered list

  • One
  • Two
  • Three
    • Four
  • Five

Quote

Cite

Cover block with background image

The file block has a setting that lets us show or hide a download button with editable text:

Video blocks have settings for showing and hiding the playback controls. Use autoplay and playback controls responsibly.

This is a video block caption.

The video block below is muted and has a poster image that displays before the video starts:

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Block category: Embed field

This post tests various embed blocks:

The Common category includes the following blocks: Paragraph, image, headings, list, gallery, quote, audio, cover, video. The paragraph block is the default block type.  It should not have any alignment of any kind. It should just flow like you would normally expect. Nothing fancy. Just straight up text, free flowing, with love. This paragraph is […]

Twitter,  wide width
YouTube
https://www.facebook.com/6427302910/posts/10156380423617911
https://www.instagram.com/p/BpmueLLgEn_/?utm_source=ig_share_sheet&igshid=1hcxphic7p9e2
WordPress TV, full width

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Block category: Archive Widget

The shortcode widget:

The Archive Widget:

The same Archive widget but as a dropdown:

April 2026
M T W T F S S
 12345
6789101112
13141516171819
20212223242526
27282930  

The Category widget block has an additional option for showing category hierarchies:

The Latest Comments widget can display or hide the avatars, the date, and the comment excerpt:

No comments to show.

Here is an example of the Comments widget with all the options disabled. The number of comments has been reduced to two.

No comments to show.

And here is the Latest Posts widget in the list view, with dates:

Grid view, now sorted from A -Z.

You can also change the number of columns used to display the latest posts. The block below only displays posts from the Block category:

Search widget:

Tag Cloud widget:

8BIT alignment Articles aside audio captions categories chat Codex comments content περιεχόμενο content περιεχόμενο css edge case embeds excerpt featured image formatting Fun gallery html image jetpack layout link lists markup Post Formats quote shortcode standard status Success Swagger Tags template tiled title trackbacks twitter Unseen video videopress WordPress wordpress.tv

RSS Feed widget:

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Block category: Layout Elements

The Layout Elements category includes the following blocks: Group, Button, Columns, Media & Text, separator, spacer, read more, and page break.

This group block has a light green background color.

The read more block should be right below this text, but only on list pages of themes that show the full content. It won’t show on the single page or on themes showing excerpts.

Continue reading “Block category: Layout Elements”
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Block category: Formatting

The formatting category includes the following blocks:

The code block starts with
<!-- wp:code -->
<?php echo 'Hello World'; ?>

The classic block can have almost anything in it.


a heading
The custom HTML block lets you put HTML that isn’t configured like blocks in it. (this div has a width of 45%)
The preformatted block.

The Road Not Taken

Robert Frost
Two roads diverged in a yellow wood,
And sorry I could not travel both (\_/)
And be one traveler, long I stood (='.'=)
And looked down one as far as I could (")_(")
To where it bent in the undergrowth;

Then took the other, as just as fair,
And having perhaps the better claim, |\_/|
Because it was grassy and wanted wear; / @ @ \
Though as for that the passing there ( > º < )
Had worn them really about the same, `>>x<<´
/ O \
And both that morning equally lay
In leaves no step had trodden black.
Oh, I kept the first for another day!
Yet knowing how way leads on to way,
I doubted if I should ever come back.
I shall be telling this with a sigh
Somewhere ages and ages hence:
Two roads diverged in a wood, and I—
I took the one less traveled by,
And that has made all the difference.



and here's a line of some really, really, really, really long text, just to see how it is handled and to find out how it overflows;

The pull quote can be aligned or wide or neither.

Theme Reviewer
The table blockThis is the default style.
The cell next to this is empty.
Cell #5
Cell #6
This is the striped style.This row should have a background color.
The cell next to this is empty.

This table has fixed width table cells.

Make sure that the text wraps correctly.

The Verse block

A block for haiku?
Why not?
Blocks for all the things!
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Keyboard navigation

There are many different ways to use the web besides a mouse and a pair of eyes. Users navigate for example with a keyboard only or with their voice.

All the functionality, including menus, links and forms should work using a keyboard only. This is essential for all assistive technology to work properly. The only way to test this, at the moment, is manually. The best time to test this is during development.

How to keyboard test:

Tab through your pages, links and forms to do the following tests:

  • Confirm that all links can be reached and activated via keyboard, including any in dropdown submenus.
  • Confirm that all links get a visible focus indicator (e.g., a border highlight).
  • Confirm that all visually hidden links (e.g. skip links) become visible when in focus.
  • Confirm that all form input fields and buttons can be accessed and used via keyboard.
  • Confirm that all interactions, buttons, and other controls can be triggered via keyboard — any action you can complete with a mouse must also be performable via keyboard.
  • Confirm that focus doesn’t move in unexpected ways around the page.
  • Confirm that using shift+tab to move backwards works as well.

Resources

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Markup: HTML Tags and Formatting

Headings

Header one

Header two

Header three

Header four

Header five
Header six

Blockquotes

Single line blockquote:

Stay hungry. Stay foolish.

Multi line blockquote with a cite reference:

The HTML <blockquote> Element (or HTML Block Quotation Element) indicates that the enclosed text is an extended quotation. Usually, this is rendered visually by indentation (see Notes for how to change it). A URL for the source of the quotation may be given using the cite attribute, while a text representation of the source can be given using the <a href=”https://developer.mozilla.org/en-US/docs/Web/HTML/Element/cite” title=”The HTML Citation Element represents a reference to a creative work. It must include the title of a work or a URL reference, which may be in an abbreviated form according to the conventions used for the addition of citation metadata.”><cite> element.

multiple contributors – MDN HTML element reference – blockquote

Tables

Employee Salary
John Doe $1 Because that’s all Steve Jobs needed for a salary.
Jane Doe $100K For all the blogging she does.
Fred Bloggs $100M Pictures are worth a thousand words, right? So Jane x 1,000.
Jane Bloggs $100B With hair like that?! Enough said…

Definition Lists

Definition List Title
Definition list division.
Startup
A startup company or startup is a company or temporary organization designed to search for a repeatable and scalable business model.
#dowork
Coined by Rob Dyrdek and his personal body guard Christopher “Big Black” Boykins, “Do Work” works as a self motivator, to motivating your friends.
Do It Live
I’ll let Bill O’Reilly will explain this one.

Unordered Lists (Nested)

  • List item one
    • List item one
      • List item one
      • List item two
      • List item three
      • List item four
    • List item two
    • List item three
    • List item four
  • List item two
  • List item three
  • List item four

Ordered List (Nested)

  1. List item one -start at 8
    1. List item one
      1. List item one -reversed attribute
      2. List item two
      3. List item three
      4. List item four
    2. List item two
    3. List item three
    4. List item four
  2. List item two
  3. List item three
  4. List item four

HTML Tags

These supported tags come from the WordPress.com code FAQ.

Address Tag

1 Infinite Loop
Cupertino, CA 95014
United States

Anchor Tag (aka. Link)

This is an example of a link.

Abbreviation Tag

The abbreviation srsly stands for “seriously”.

Acronym Tag (deprecated in HTML5)

The acronym ftw stands for “for the win”.

Big Tag (deprecated in HTML5)

These tests are a big deal, but this tag is no longer supported in HTML5.

Cite Tag

“Code is poetry.” —Automattic

Code Tag

This tag styles blocks of code.
.post-title {
margin: 0 0 5px;
font-weight: bold;
font-size: 38px;
line-height: 1.2;
and here's a line of some really, really, really, really long text, just to see how it is handled and to find out how it overflows;
}

You will learn later on in these tests that word-wrap: break-word; will be your best friend.

Delete Tag

This tag will let you strike out text, but this tag is recommended supported in HTML5 (use the <s> instead).

Emphasize Tag

The emphasize tag should italicize text.

Horizontal Rule Tag


This sentence is following a <hr /> tag.

Insert Tag

This tag should denote inserted text.

Keyboard Tag

This scarcely known tag emulates keyboard text, which is usually styled like the <code> tag.

Preformatted Tag

This tag is for preserving whitespace as typed, such as in poetry or ASCII art.

The Road Not Taken

Robert Frost


  Two roads diverged in a yellow wood,
  And sorry I could not travel both          (\_/)
  And be one traveler, long I stood         (='.'=)
  And looked down one as far as I could     (")_(")
  To where it bent in the undergrowth;

  Then took the other, as just as fair,
  And having perhaps the better claim,          |\_/|
  Because it was grassy and wanted wear;       / @ @ \
  Though as for that the passing there        ( > º < )
  Had worn them really about the same,         `>>x<<´
                                               /  O  \
  And both that morning equally lay
  In leaves no step had trodden black.
  Oh, I kept the first for another day!
  Yet knowing how way leads on to way,
  I doubted if I should ever come back.

  I shall be telling this with a sigh
  Somewhere ages and ages hence:
  Two roads diverged in a wood, and I—
  I took the one less traveled by,
  And that has made all the difference.


  and here's a line of some really, really, really, really long text, just to see how it is handled and to find out how it overflows;

Quote Tag for short, inline quotes

Developers, developers, developers… –Steve Ballmer

Strike Tag (deprecated in HTML5) and S Tag

This tag shows strike-through text.

Small Tag

This tag shows smaller text.

Strong Tag

This tag shows bold text.

Subscript Tag

Getting our science styling on with H2O, which should push the “2” down.

Superscript Tag

Still sticking with science and Albert Einstein’s E = MC2, which should lift the 2 up.

Teletype Tag (obsolete in HTML5)

This rarely used tag emulates teletype text, which is usually styled like the <code> tag.

Underline Tag deprecated in HTML 4, re-introduced in HTML5 with other semantics

This tag shows underlined text.

Variable Tag

This allows you to denote variables.