Static Pressure Measurements and the Truth
Ed Janowiak conducts a series of static pressure tests regarding static tip and coil placement. Read about Ed’s results in this blog.
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Ed Janowiak conducts a series of static pressure tests regarding static tip and coil placement. Read about Ed’s results in this blog.
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Given the push to phase out air conditioners, their future as a relic is possible. Read more about the potential future of air conditioners at this blog.
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New Efficiency Standards are going into effect on January 1st, 2023. Read about all the new regulation changes in this blog.
Wondering if a system can hold a 500-micron vacuum of there’s moisture in the system? Learn when a system can hold a vacuum in this edition of “Hey Ed!”
Wondering what the difference between sensible heat ratio and sensible heat factor is? Learn how to use Manual S to find out in this edition of “Hey Ed!”
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Understanding everything about your compressor is essential for maintaining it. Read this blog for an in-depth explanation of how a compressor works.
What’s the main problem when we make up a friction rate. Learn more about determining adequate airflow in this edition of “Hey Ed!”
Why is Manual S® Ed’s favorite manual? Learn about the importance of residential equipment selection in this edition of “Hey Ed!”
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With the new Regional Efficiency Standards, old SEER equipment will require new rules for installation. Read more about SEER installs at this blog.
How do you describe electronically commutated motors Learn the difference between a constant torque and a constant air-flow in this edition of “Hey Ed!”
In this edition of “Hey Ed”, Ed discusses the difference between taking static pressure measurements on a new versus existing […]
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Have you ever considered flushing your line sets? Or are you currently? In this month’s blog, we will cover some options that will determine when to make pigs fly.
Bottom Line: The US Department of Energy (DOE) has new efficiency standards (SEER2, EER2, HSPF2), effective January 1, 2023. Unfortunately, these […]
What should you do if you can’t find the filter’s performance data? Find out what to do and in this edition of “Hey Ed!”
NFPA will be exempting all outdoor HVAC from NEC GFCI protection until September 2026. Read what this means for the HVAC industry in this blog.
Should you take supply air measurements for discharge air temperature or relevant humidity? Learn how to get the best reading in this edition of “Hey Ed!”
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At the most recent NFPA Standards Council, Ed Lehr represented ACCA while urging the Council to fix a bad code. Read more about this council at this blog.
Electrification and heat pumps are coming, and with them, many HVAC problems to look out for. Read this blog to learn more about heat pumps.
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