Hallelujah HVAC

03/28/2026

Most techs are taught to measure superheat at the outdoor unit, and that’s typically all they’re given. They take a suction pressure, convert it to saturation temperature, measure the suction line temperature, and call the difference “superheat.” That part is not wrong—but it is incomplete.

What’s being measured at the outdoor unit is total superheat, not just what is happening at the evaporator. The number includes the superheat leaving the evaporator plus any additional heat the refrigerant picks up as it travels through the suction line back to the compressor.

If that’s all you were taught, then you were only taught half of the charging process. The missing piece is understanding how that number relates to what the system actually needs under current conditions.

Actual superheat, or evaporator superheat, is the temperature of the refrigerant above its saturation point right as it leaves the evaporator. That is the true indicator of how the evaporator is being fed. It shows whether the coil is starved or flooded and whether liquid refrigerant is at risk of returning to the compressor. However, this value is usually not measured directly in the field because you typically do not have access to the exact outlet of the evaporator.

Instead, what you measure outside is total superheat, which is always equal to or higher than the actual evaporator superheat because of the heat gained in the suction line. This is the number used when charging a fixed-orifice system, but by itself it does not tell you whether the charge is correct.

That is where target superheat comes in. Target superheat is the manufacturer’s specified superheat based on current system conditions. It is determined using indoor wet-bulb temperature and outdoor dry-bulb temperature. The indoor wet-bulb reflects both temperature and humidity, which tells how much total heat the evaporator is handling. The outdoor dry-bulb reflects the load on the condenser. Using those two values, a target superheat is obtained from a chart.

The purpose of target superheat is to give a reference point for the total superheat you measure. Without that reference, the number has no real meaning. A system could have a superheat of 10°F or 25°F, and either one could be correct or incorrect depending on the load.

When charging a fixed-orifice system, you are measuring total superheat and comparing it to target superheat. If the measured value is higher than the target, the system is undercharged. If it is lower than the target, the system is overcharged. Actual evaporator superheat remains important for understanding system behavior, but it is not the value typically used for charging.

Understanding the difference between actual superheat, total superheat, and target superheat is what turns superheat from just a number into a useful diagnostic and charging tool.

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01/08/2026

Disconnected flue pipes in the attic are one of the most overlooked dangers in a home. I’ve seen furnace flues and water‑heater flues completely separated, barely attached, or installed so poorly that the first strong wind, roof replacement, or even the weight of the pipe itself causes them to pull apart. Even when they look connected, small gaps can leak carbon monoxide into the attic and eventually into the living space.

This is exactly why an HVAC inspection or tune‑up matters. Most of the serious heater problems are hidden in the attic where homeowners never look. A proper inspection catches flue separations, venting issues, and combustion problems before they turn into a safety hazard.

05/20/2025

Price matters, but it isn’t everything.
The cheapest quote doesn’t always mean the best choice—but neither does the most expensive one. What truly matters is making an informed decision that protects your investment and ensures quality.

You need a professional who is knowledgeable, trustworthy, and follows proper procedures. Someone who gets the job done right the first time—without shortcuts or surprises.

So, ask good questions. Know what you’re paying for, understand the process whenever possible, and hire wisely. Because real value is found in skill, integrity, and honest work. This is what we at Hallelujah HVAC prioritize!
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If you need an dependable HVAC company in the Metro OKC area, contact us:

(405)249-6592 | (572)216-8313
[email protected]

04/04/2025

The , long known for its dependable service and local expertise, is facing a growing threat—and not many people are talking about it publicly. Private equity, with its profit-obsessed playbook, is sinking its teeth into the industry, and the repercussions for consumers, small businesses, and technicians alike are being overlooked!

Here's how it works: Private equity firms buy up HVAC companies, often consolidating smaller businesses into a single, larger entity under many different company names that you know and hear advertised. This sounds harmless, even efficient, but the reality is often far darker. These firms aren’t interested in building a dependable company or improving the lives of those they service—they’re laser-focused on squeezing out every last dollar.

What does that look like? For consumers, it’s inflated prices paired with aggressive and manipulative upselling techniques. Imagine being pressured into replacing an entire system when a repair would suffice—because the company’s bottom line depends on higher margins. For technicians, it’s the imposition of profit-driven quotas that prioritize sales over honest advice. And for independent , it’s being crushed by big-name players who’ve turned community-driven trade into a shady business.

The outcome? You lose the reliability and of HVAC was built on. You lose the connection to small owners who genuinely care about their work and your satisfaction. Instead, you get an industry dominated by investors training salesmen who wouldn’t know a condenser coil from a refrigerant line—but sure know how to inflate invoices.

Let’s not sugarcoat it: Private equity’s involvement in the HVAC trade isn’t modernization—it’s , dressed up as . Protecting this vital industry starts with supporting independent, honest and holding profit-hungry firms accountable. Because your comfort shouldn’t come with a hidden price tag.

04/03/2025

Did you know that regular maintenance can double the life of your equipment?

✅Prevent premature & unexpected failure!
(Same day service calls are usually expensive)
✅ Quality work guarantee!
✅ Part and labor warranty.
✅ Honest and hardworking!
✅ Competitive & fair prices.
✅ No hidden costs at a flat rate.
✅ Easy scheduling.

📞 (572)216-8313
📧 [email protected]

04/20/2024

This recording makes me emotional. I’ve witnessed God’s power through healing and deliverance—all Glory to the King, forever and ever!

04/10/2024

*Seed- The Gospel
*Root- Faith
*Tree- Salvation
*Fruit- Works

If the roots die so does the tree. So water the roots and take care of the tree! 🌲 ✝️

04/03/2024

04/03/2024

”Adulterers and adulteresses! Do you not know that friendship with the world is enmity with God? Whoever therefore wants to be a friend of the world makes himself an enemy of God. Or do you think that the Scripture says in vain, “The Spirit who dwells in us yearns jealously”? But He gives more grace. Therefore He says: “God resists the proud, But gives grace to the humble.” Therefore submit to God. Resist the devil and he will flee from you. Draw near to God and He will draw near to you. Cleanse your hands, you sinners; and purify your hearts, you double-minded. Lament and mourn and weep! Let your laughter be turned to mourning and your joy to gloom. Humble yourselves in the sight of the Lord, and He will lift you up.“ James‬ ‭4‬:‭4‬-‭10‬ ‭NKJV‬‬

04/03/2024

Sounds like Jesus delivered her from the demons amplifying/causing her anxiety that nobody else would. My wife has a similar story. Eventually the demons were cast out of her and all the demonic torment went away! God has given believers authority to cast out demons in the name of Jesus, but for some reason most Americans think demons were only an issue in the first century church. Beginning the great commission Jesus said, “And THESE SIGNS WILL FOLLOW THOSE WHO BELIEVE: In My name they will cast out demons; they will speak with new tongues” (Mark‬ ‭16‬:‭17); “And as you go, preach, saying, ‘The kingdom of heaven is at hand.’ Heal the sick, cleanse the lepers, raise the dead, cast out demons. Freely you have received, freely give” (Matthew‬ ‭10‬:‭7‬-‭8).

Demons aren’t stupid, they have literally been around since ancient times and know very well how to manipulate and destroy people’s lives. One of their greatest deceptions is to remain hidden; to cause those demonized to believe that what they’re dealing with is natural, or themselves—even to make them think they are crazy.

And as we know brothers and sisters, the enemy especially hates Christians. Yes, Christians can have demons and need deliverance contrary to popular opinion. Once you start casting out demons in the church you will be 100% convinced. Deliverance is for Christians! I love what Derek Prince said, you can’t crucify a demon or cast out the flesh, you must cast out demons and crucify the flesh. I can go on and on, about the subject, God has taught me a lot since experiencing this firsthand, but for the sake of time I’ll keep it short.