HVAC Community Hub | Caleb | Activity https://hvachub.co/members/hayes-caleb-89/activity/ Activity feed for Caleb. Wed, 29 Apr 2026 12:59:07 +1200 https://buddypress.org/?v=2.18.0 en-US 30 hourly 2 069221394a701886608db17df53f94ac Caleb posted a new activity comment https://hvachub.co/news-feed/p/6664/#acomment-6667 Thu, 16 Apr 2026 05:27:06 +1200 That voltage drop across the contactor means you’ve got high resistance on the contacts, usually from pitting or carbon buildup. Under load it shows up fast.

In reply to - Robert posted an update in the group HVAC Installation Best Practices Swapped a contactor today that looked fine at a glance, but under load it was dropping voltage across the contacts. Getting about 240V in, […] ]]> 0c64b4bbfacf35562eae87051e9e779e Caleb posted an update in the group HVAC Installation Best Practices: Sub passed inspection on paper, got paid, […] https://hvachub.co/news-feed/p/6300/ Mon, 16 Mar 2026 20:54:12 +1300 Sub passed inspection on paper, got paid, and disappeared.
Now the GC is calling me every morning and the rework is coming out of my pocket.
Work was done under my license so it’s my problem.

For the guys running crews or subs how do you protect yourself from this before it happens?

]]> 13 9e8e98bb64a34cb3ff4fa5491247aa1f Caleb posted a new activity comment https://hvachub.co/news-feed/p/6069/#acomment-6095 Sat, 14 Feb 2026 12:57:23 +1300 Took me a few callbacks to learn that one the hard way.

In reply to - Zachary posted an update in the group HVAC Installation Best Practices Had something weird happen today. Didn’t even realize my techs were out here making bets on what the issue would be. Sent two of them up to […] ]]> 5a7d20a9b823b284e9a59ab18cb92049 Caleb posted a new activity comment https://hvachub.co/news-feed/p/5984/#acomment-6037 Fri, 13 Feb 2026 13:51:33 +1300 If you’re actually clamping and calculating superheat/subcool, you’re doing it right. That’s the whole point.

In reply to - Elijah posted an update in the group HVAC Installation Best Practices There’s a difference between it feels cold and actually checking what the system is doing. Pressures, temps, airflow that’s what tells the […] ]]> 348aa16e33e0fe754d92a4ea2c57fab6 Caleb posted a new activity comment https://hvachub.co/news-feed/p/5407/#acomment-5430 Fri, 30 Jan 2026 19:10:46 +1300 We post when we remember. Zero strategy. Still get comments from past customers.

In reply to - Owen posted an update in the group Troubleshooting & Repairs For companies using social media, are you posting yourself or having someone else handle it? Worth the effort or mostly branding? ]]> 4881c60a81d2ba242ac078fa21df175c Caleb posted a new activity comment https://hvachub.co/news-feed/p/4356/#acomment-4361 Thu, 08 Jan 2026 00:35:16 +1300 Customer probably made the right call. Warranty jobs drain everyone involved.

In reply to - Lucas posted an update in the group Troubleshooting & Repairs A system barely a couple of years in, and the compressor is already done. Customer chose to move forward with a new R-454B system instead of chasing […] ]]> a87c9c5f076defa4c2c6e240550ee13d Caleb posted a new activity comment https://hvachub.co/news-feed/p/4334/#acomment-4339 Wed, 07 Jan 2026 00:02:29 +1300 Watching trend logs never tells the full story. Standing there for an hour usually does.

In reply to - Benjamin posted an update in the group HVAC Contractors & Subcontractors Spent time looking at a dual-circuit water-cooled chiller where, on paper, both circuits should behave the same. Same room, same water […] ]]> 887941a8ab4daed4f1284109289a7bfc Caleb posted a new activity comment https://hvachub.co/news-feed/p/2751/#acomment-2753 Thu, 30 Oct 2025 20:08:52 +1300 That’s great to hear, appreciate the update. Totally agree – photos will make troubleshooting smoother.

In reply to - Adam posted an update in the group HVAC Contractors & Subcontractors Hey @Admin, quick question – are we allowed to post photos here yet? Sometimes it’s really hard to explain certain issues just through text. […] ]]> 7f67479dd0c4aec4bead88c1a7d72bb1 Caleb posted a new activity comment https://hvachub.co/news-feed/p/1959/#acomment-1962 Wed, 24 Sep 2025 16:05:24 +1200 You can flush with water, but it must be fully dried and oil added back before charging. Otherwise, corrosion is guaranteed.

In reply to - Theo posted an update in the group HVAC Contractors & Subcontractors Is it okay to flush an AC system with water before adding new refrigerant, or could it cause corrosion? ]]> c75c7a5f496397469ac8b1d3f4525777 Caleb posted a new activity comment https://hvachub.co/news-feed/p/1959/#acomment-1960 Wed, 24 Sep 2025 16:05:22 +1200 Flushing with water can cause corrosion if the system isn’t dried properly. Better to use a proper AC flush solvent.

In reply to - Theo posted an update in the group HVAC Contractors & Subcontractors Is it okay to flush an AC system with water before adding new refrigerant, or could it cause corrosion? ]]> 6a93acc0a973854d1424cfed31201f0c Caleb posted a new activity comment https://hvachub.co/news-feed/p/1468/#acomment-1473 Fri, 22 Aug 2025 10:32:18 +1200 Make sure you restore pressure balance too. If you only add return without addressing supply balance, you’ll create pressurization issues or draw in outside air.

In reply to - Ethan posted an update in the group HVAC Tools & Equipment We’ve got an old concrete-block building-no internal return ducts for two rooftop units handling the common hallways across four floors. As a result, […] ]]> cb36bce6b267a79571d38067440cef1e Caleb posted a new activity comment https://hvachub.co/news-feed/p/1313/#acomment-1321 Wed, 13 Aug 2025 06:43:37 +1200 Good point-flow and head pressure will be next on my checklist under full load.

In reply to - Caleb posted an update in the group Troubleshooting & Repairs Installed a new air-cooled chiller system last week but now we’re getting periodic shutdowns on hot days-no error codes, power appears steady, […] ]]> 79e0089e4f268a089cb0de639494dcd5 Caleb posted a new activity comment https://hvachub.co/news-feed/p/1313/#acomment-1319 Wed, 13 Aug 2025 06:43:35 +1200 It does-I’ll test flow rates when it’s hottest and confirm the glycol mix isn’t too lean.

In reply to - Caleb posted an update in the group Troubleshooting & Repairs Installed a new air-cooled chiller system last week but now we’re getting periodic shutdowns on hot days-no error codes, power appears steady, […] ]]> 1d115fb26339a870983711bc1013b292 Caleb posted a new activity comment https://hvachub.co/news-feed/p/1313/#acomment-1317 Wed, 13 Aug 2025 06:43:34 +1200 Airflow’s supposed to be good, but I’ll inspect for subtle blockages around fans and discharge paths.

In reply to - Caleb posted an update in the group Troubleshooting & Repairs Installed a new air-cooled chiller system last week but now we’re getting periodic shutdowns on hot days-no error codes, power appears steady, […] ]]> 1cd6b444367a211108d642b40f51dd26 Caleb posted a new activity comment https://hvachub.co/news-feed/p/1313/#acomment-1315 Wed, 13 Aug 2025 06:43:31 +1200 Great idea-I’ll add a temp log next hot cycle and check sensor placement and heat accumulation.

In reply to - Caleb posted an update in the group Troubleshooting & Repairs Installed a new air-cooled chiller system last week but now we’re getting periodic shutdowns on hot days-no error codes, power appears steady, […] ]]> e02ce49083be372ba2b1d18b8ca1b0f7 Caleb posted an update in the group Troubleshooting & Repairs: Installed a new air-cooled chiller system last week but […] https://hvachub.co/news-feed/p/1313/ Wed, 13 Aug 2025 06:43:31 +1200 Installed a new air-cooled chiller system last week but now we’re getting periodic shutdowns on hot days-no error codes, power appears steady, refrigerant levels are spot-on. Any ideas what invisible issue might be lurking?

]]> 8 e203d6e789ab660edcf0808a1537c2d3 Caleb posted a new activity comment https://hvachub.co/news-feed/p/1247/#acomment-1250 Tue, 12 Aug 2025 20:26:06 +1200 Wet hoses ruin backpacks fast-oil-resistant hose bag keeps cleanup minimal and tools safe.

In reply to - Marco posted an update in the group HVAC Tools & Equipment Upgraded my hose storage: installed a wall-mounted aluminum rack for quick hose hang-up, plus added a water/oil-resistant “Hose Hauler” bag for vacuum […] ]]> 5025675e29b882b7db4482c2a1e19aa1 Caleb posted a new activity comment https://hvachub.co/news-feed/p/1128/#acomment-1137 Wed, 23 Jul 2025 10:25:29 +1200 Installed on shaded wall-no issues with thermostat misreads.

In reply to - Caleb posted an update in the group HVAC Installation Best Practices Installed a wall-mounted mini‑split indoors: positioned 8 ft above floor, at least 6 in from ceiling and sidewalls, and sloped the […] ]]> d9bff8212d3d0624a739c2b09b23e0ea Caleb posted a new activity comment https://hvachub.co/news-feed/p/1128/#acomment-1135 Wed, 23 Jul 2025 10:25:29 +1200 We used PVC with a gentle incline-no clogs so far.

In reply to - Caleb posted an update in the group HVAC Installation Best Practices Installed a wall-mounted mini‑split indoors: positioned 8 ft above floor, at least 6 in from ceiling and sidewalls, and sloped the […] ]]> b34c75bebd28aee535d2bc972445e07d Caleb posted a new activity comment https://hvachub.co/news-feed/p/1128/#acomment-1133 Wed, 23 Jul 2025 10:25:28 +1200 Absolutely-my drain has stayed bone dry, no smell or algae.

In reply to - Caleb posted an update in the group HVAC Installation Best Practices Installed a wall-mounted mini‑split indoors: positioned 8 ft above floor, at least 6 in from ceiling and sidewalls, and sloped the […] ]]> 6225f5ae107ffc151d2ed64ee80a8c46 Caleb posted a new activity comment https://hvachub.co/news-feed/p/1128/#acomment-1131 Wed, 23 Jul 2025 10:25:28 +1200 Reach comfort setpoints faster without noisy drafts.

In reply to - Caleb posted an update in the group HVAC Installation Best Practices Installed a wall-mounted mini‑split indoors: positioned 8 ft above floor, at least 6 in from ceiling and sidewalls, and sloped the […] ]]> 2acb401f162867962b26b648b141f58d Caleb posted an update in the group HVAC Installation Best Practices: Installed a wall-mounted mini‑split indoors: positioned […] https://hvachub.co/news-feed/p/1128/ Wed, 23 Jul 2025 10:25:27 +1200 Installed a wall-mounted mini‑split indoors: positioned 8 ft above floor, at least 6 in from ceiling and sidewalls, and sloped the condensate drain at ¼ per foot through the wall. No leaks, easy maintenance, and airflow stays smooth.

]]> 9 82ae4344fb4d85f0c23d2ba2b4d4da14 Caleb posted a new activity comment https://hvachub.co/news-feed/p/915/#acomment-932 Wed, 16 Jul 2025 15:47:48 +1200 We host “Ask a tech” nights at local community centers—no pitch, just Q&A. Got ourselves known as the local experts.

In reply to - Aiden posted an update in the group HVAC Contractors & Subcontractors Hey everyone—real question: what’s your go-to way to get quality HVAC leads that don’t come from ads? I’m talking old-school stuff: […] ]]> 4f15cc14e5314a844bd94fd5a2abd874 Caleb posted a new activity comment https://hvachub.co/news-feed/p/300/#acomment-335 Thu, 01 May 2025 11:34:07 +1200 No isolation pads on the refrigerant lines. Vibration = noise complaints.

In reply to - Julien posted an update in the group HVAC Installation Best Practices

What’s one common install mistake you hate seeing out there?

I’ll go first: Sloppy line set insulation!

Drop yours below—let’s make this a […]

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