HVAC Community Hub | Lucas | Activity https://hvachub.co/members/lucas_dubois/activity/ Activity feed for Lucas. Wed, 29 Apr 2026 12:59:07 +1200 https://buddypress.org/?v=2.18.0 en-US 30 hourly 2 2cdd5797e744137ba049702ed0b63086 Lucas posted a new activity comment https://hvachub.co/news-feed/p/6775/#acomment-6787 Tue, 28 Apr 2026 22:43:01 +1200 Wish I could lower them 😂.

In reply to - Pietro posted an update in the group HVAC Installation Best Practices Hey, ]]> 0272bfacc5882ac47df0e5428c38554e Lucas posted a new activity comment https://hvachub.co/news-feed/p/6570/#acomment-6576 Sat, 11 Apr 2026 19:18:27 +1200 What kind of coverage are you trying to get?

In reply to - Jack posted an update in the group HVAC Installation Best Practices Been reviewing our business insurance lately and realizing I probably don’t understand half of what we’re actually covered for. Feels like […] ]]> b1bf3ed799d61e323308fd4daed7a4f3 Lucas posted a new activity comment https://hvachub.co/news-feed/p/6521/#acomment-6531 Tue, 07 Apr 2026 09:34:55 +1200 I tell my guys to carry less, then I’m the one asking for tools they didn’t bring.

In reply to - William posted an update in the group HVAC Installation Best Practices Every time I try to lighten my tool bag, the very next job needs the one thing I took out… so now I’m basically just carrying everything […] ]]> a6e04c182c2c42142f63a841c4dd7b31 Lucas posted a new activity comment https://hvachub.co/news-feed/p/6419/#acomment-6444 Sat, 21 Mar 2026 10:45:11 +1300 Implementing the same thing this week.

In reply to - Henry posted an update in the group HVAC Installation Best Practices Callback for low cooling. Pressures look like a restriction. Traced it back to the lineset inside the wall kinked at the corner where it […] ]]> de00ba063762e58b1430dacb9a906b46 Lucas posted a new activity comment https://hvachub.co/news-feed/p/6419/#acomment-6431 Sat, 21 Mar 2026 04:46:50 +1300 Who closes a wall without checking the lineset first. Genuinely asking.

In reply to - Henry posted an update in the group HVAC Installation Best Practices Callback for low cooling. Pressures look like a restriction. Traced it back to the lineset inside the wall kinked at the corner where it […] ]]> a3af365b470d0202d7b9619ab9625871 Lucas posted a new activity comment https://hvachub.co/news-feed/p/6393/#acomment-6399 Fri, 20 Mar 2026 04:50:10 +1300 Compressor running through March nights in that condition. Hope the oil didn’t migrate too far.

In reply to - Miles posted an update in the group HVAC Installation Best Practices Spring startup call this week. Customer mentioned the system had been running a lot lately but didn’t think much of it. Opened the panel […] ]]> 80a8c563bd2654a4923394b73f80e491 Lucas posted a new activity comment https://hvachub.co/news-feed/p/6300/#acomment-6305 Tue, 17 Mar 2026 01:48:40 +1300 never let a sub pull a permit under your license. ever. learned that one hard.

In reply to - Caleb posted an update in the group HVAC Installation Best Practices Sub passed inspection on paper, got paid, and disappeared. Now the GC is calling me every morning and the rework is coming out of […] ]]> a45f06361f1473755080bd180423b87a Lucas posted a new activity comment https://hvachub.co/news-feed/p/6255/#acomment-6286 Wed, 11 Mar 2026 15:21:26 +1300 That’s honestly the best use of slow days.

In reply to - Ethan posted an update in the group HVAC Installation Best Practices For the guys running crews out in the field, how do you handle downtime when the board gets slow? I’ve been wondering how others keep their […] ]]> 1427d1d230525168577e6f0a6a5edded Lucas posted a new activity comment https://hvachub.co/news-feed/p/5802/#acomment-5803 Mon, 09 Feb 2026 22:25:17 +1300 How tight was the static when you finally fired it up?

In reply to - Carlos posted an update in the group HVAC Installation Best Practices Finished a job like this today and I honestly don’t know if we installed an HVAC system or designed a maze for the next tech. On the plans it […] ]]> d05a20292945193283281b5f15cb288f Lucas posted a new activity comment https://hvachub.co/news-feed/p/5500/#acomment-5538 Tue, 03 Feb 2026 16:01:22 +1300 Simple sells.

In reply to - Mason posted an update in the group Troubleshooting & Repairs Looking for recommendations on sales quoting software for unit replacements. Not trying to overcomplicate things just want something consistent, […] ]]> 23ffa3e6251f834041e1836a29f9e050 Lucas posted a new activity comment https://hvachub.co/news-feed/p/5171/#acomment-5208 Wed, 28 Jan 2026 10:31:35 +1300 This is basic stuff. Shouldn’t be eating up that much time.

In reply to - Jackson posted an update in the group HVAC Installation Best Practices First job of the day looked clean, pressures were fine, and we thought it was going to be easy. Turned out to be a control issue mixed with […] ]]> 54917155ef42d950b80d158bb7324ef6 Lucas posted a new activity comment https://hvachub.co/news-feed/p/5119/#acomment-5137 Tue, 27 Jan 2026 09:30:34 +1300 Good you found problem some time chasing long without answer.

In reply to - Elijah posted an update in the group Troubleshooting & Repairs Big problem on this heat exchanger almost blocked flow was very bad system not holding temp at all everything old space tight nothing wanted to […] ]]> b83ec53824d17c50406c9d6e6fdda8fc Lucas posted a new activity comment https://hvachub.co/news-feed/p/5114/#acomment-5130 Tue, 27 Jan 2026 07:30:21 +1300 Did you end up finding anything obvious or still chasing it?

In reply to - Miles posted an update in the group HVAC Installation Best Practices Pressures aren’t stabilizing. Head keeps climbing even though airflow looks fine. ]]> 006a5737fe201bfa1509212c9400a0bb Lucas posted a new activity comment https://hvachub.co/news-feed/p/5078/#acomment-5084 Sun, 25 Jan 2026 04:40:38 +1300 I’ve actually seen dirty pilot assemblies cause this more than bad thermocouples.

In reply to - Aiden posted an update in the group HVAC Installation Best Practices If a furnace pilot light keeps going out, what’s the first thing you usually check thermocouple, dirty pilot, or gas pressure? ]]> c45d0da2b75a875e77b09317329ab5a1 Lucas posted a new activity comment https://hvachub.co/news-feed/p/4909/#acomment-4912 Tue, 20 Jan 2026 22:53:26 +1300 Could this be from back pressure in the drain or just a bad joint?

In reply to - Alejandro posted an update in the group HVAC Installation Best Practices Everyone worries about compressors and boards. Meanwhile this joint has been quietly leaking and soaking the slab for who knows how long. ]]> 77c3a06e1444954e30612a58679d80a0 Lucas posted a new activity comment https://hvachub.co/news-feed/p/4435/#acomment-4457 Sat, 10 Jan 2026 03:44:36 +1300 Good catch isolating the sections. Fixing the symptom is easy, finding where the air is actually going takes time.

In reply to - James posted an update in the group Troubleshooting & Repairs At first I thought it was just a normal airflow issue and fixing that would be enough, but once I started working on it I realized that was only […] ]]> bb921145f8a89750e60d767d56783023 Lucas posted a new activity comment https://hvachub.co/news-feed/p/4360/#acomment-4376 Thu, 08 Jan 2026 03:50:09 +1300 Clients hate hearing ‘it’s subtle’ but that’s usually the truth.

In reply to - Jameson posted an update in the group Troubleshooting & Repairs The toughest troubleshooting isn’t when something fails loudly – it’s when everything almost works. Readings look acceptable. Controls respond. […] ]]> de9ca569bc0b159afdfc705d56c58228 Lucas posted a new activity comment https://hvachub.co/news-feed/p/4356/#acomment-4369 Thu, 08 Jan 2026 02:10:12 +1300 Exactly. Nothing else wrong with the system either – just done.

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 […] ]]> 52484bced9f622492a9b6341f8028ab5 Lucas posted a new activity comment https://hvachub.co/news-feed/p/4356/#acomment-4366 Thu, 08 Jan 2026 01:25:41 +1300 Exactly. Replacing one part doesn’t always buy peace of mind.

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 […] ]]> ad97328444a2c5c5ac1a80d0f3f24b0f Lucas posted a new activity comment https://hvachub.co/news-feed/p/4356/#acomment-4363 Thu, 08 Jan 2026 00:50:11 +1300 That was their thinking too. Less waiting, more certainty.

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 […] ]]> e7224edd594e318c00ae73715e888c2c Lucas posted a new activity comment https://hvachub.co/news-feed/p/4356/#acomment-4362 Thu, 08 Jan 2026 00:40:11 +1300 Efficiency numbers went up. Tolerance went down.

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 […] ]]> f97676a184d22e2db56e2a46b839643d Lucas posted a new activity comment https://hvachub.co/news-feed/p/4356/#acomment-4358 Wed, 07 Jan 2026 23:06:19 +1300 Same trend here. Hard to ignore at this point.

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 […] ]]> 60519bf7b3946e3712e3d3445f594b29 Lucas posted an update in the group Troubleshooting & Repairs: A system barely a couple of years in, and the compressor […] https://hvachub.co/news-feed/p/4356/ Wed, 07 Jan 2026 21:30:41 +1300 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 a warranty. Hard not to notice how different equipment life feels these days.

]]> 10 602c4e0a85fcd6ac39971278a2acb057 Lucas posted a new activity comment https://hvachub.co/news-feed/p/4202/#acomment-4207 Thu, 01 Jan 2026 20:53:20 +1300 Feels hydronic, not airside.

In reply to - Caleb posted an update in the group HVAC Tools & Equipment Chilled water valve is fully commanded open and actuator tracks correctly. Pump responds as expected, flow is present, but temperature difference […] ]]> 6c81e0466b4d1b101d22625c9bc07b25 Lucas posted a new activity comment https://hvachub.co/news-feed/p/4187/#acomment-4193 Thu, 01 Jan 2026 19:36:08 +1300 We’ve learned to flag these internally even if the customer doesn’t act right away.

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

Walked into this job thinking it would be a quick check. Unit was running, no alarms, temps looked fine at first glance. But the space […]

]]> 1c2328641b401fbc4921d3a6a2099a3b Lucas posted a new activity comment https://hvachub.co/news-feed/p/4157/#acomment-4160 Tue, 30 Dec 2025 14:27:47 +1300 Clicks don’t keep trucks moving.

In reply to - Julien posted an update in the group HVAC Lead Generation Mastery Leads are coming in… but they’re weird. Wrong jobs, wrong areas, price-shoppers only – feels like the system is working but attracting the […] ]]> e77379e5dc56a2b74c7652bcdd503281 Lucas posted a new activity comment https://hvachub.co/news-feed/p/3974/#acomment-3981 Wed, 24 Dec 2025 13:42:32 +1300 If it’s network-based, packet loss during peak traffic can cause brief dropouts.

In reply to - Owen posted an update in the group HVAC Contractors & Subcontractors Seeing a chiller micro-cycle because the enable signal drops out for a few milliseconds. Not long enough to alarm, but enough to reset […] ]]> 134b85e11975036f054d4dd62f799ed8 Lucas posted a new activity comment https://hvachub.co/news-feed/p/3475/#acomment-3482 Tue, 09 Dec 2025 19:13:11 +1300 Could also be your fire mode not having true top priority. If something in the AHU sequence still has control, you get that flip.

In reply to - Zachary posted an update in the group HVAC Contractors & Subcontractors Ran a smoke-control test earlier, and the return fan briefly reversed direction the moment fire mode engaged. It only flipped for a […] ]]> a7209964e28682df55e4efa7b6c9d59c Lucas posted a new activity comment https://hvachub.co/news-feed/p/3247/#acomment-3264 Mon, 24 Nov 2025 06:17:23 +1300 Let’s goooo! Now we can finally flex our setups 😂🔥

In reply to - HVAC Community Hub posted an update in the group HVAC Contractors & Subcontractors 📢 Hey everyone, good news! A lot of you have been asking for this for a long time… and yes, we were quietly working on it in […] ]]> 96858be8b593454b05117857777e8876 Lucas posted a new activity comment https://hvachub.co/news-feed/p/3187/#acomment-3193 Wed, 19 Nov 2025 13:56:00 +1300 Nice -that timing actually sounds perfect.

In reply to - Lucas posted an update in the group HVAC Reputation Powerhouse-Win Trust, Dominate Reviews, and Stand Out Outline I’ve been seeing a lot of people use automations to boost their reviews, and I’m curious how […] ]]> 880bac80e175d0ca3e584a5ca34e6afc Lucas posted a new activity comment https://hvachub.co/news-feed/p/3187/#acomment-3191 Wed, 19 Nov 2025 13:55:59 +1300 True – the message tone matters a lot more than people think.

In reply to - Lucas posted an update in the group HVAC Reputation Powerhouse-Win Trust, Dominate Reviews, and Stand Out Outline I’ve been seeing a lot of people use automations to boost their reviews, and I’m curious how […] ]]> acdc79ae36ace9b68267945be6fbfa98 Lucas posted a new activity comment https://hvachub.co/news-feed/p/3187/#acomment-3189 Wed, 19 Nov 2025 13:55:57 +1300 That’s what I’ve heard too – sounds like the reminder makes a big difference.

In reply to - Lucas posted an update in the group HVAC Reputation Powerhouse-Win Trust, Dominate Reviews, and Stand Out Outline I’ve been seeing a lot of people use automations to boost their reviews, and I’m curious how […] ]]> 1771fc147c0429aeffa2894510849f01 Lucas posted an update in the group HVAC Reputation Powerhouse-Win Trust, Dominate Reviews, and Stand Out Outline: I’ve been seeing a lot of people use automations to boost […] https://hvachub.co/news-feed/p/3187/ Wed, 19 Nov 2025 13:55:56 +1300 I’ve been seeing a lot of people use automations to boost their reviews, and I’m curious how it’s working for everyone here.
Some say automated review requests help a lot, others say it doesn’t make much difference.
Has anyone here actually seen better results using automation for reviews – and what worked or didn’t work for you?

]]> 6 80fe583ad73f05fffa3176b161da9dea Lucas posted a new activity comment https://hvachub.co/news-feed/p/3058/#acomment-3059 Fri, 14 Nov 2025 19:21:00 +1300 Check the static sensor wiring. Loose connection can make the fan chase random readings even if the BAS trend looks clean.

In reply to - Hunter posted an update in the group HVAC Contractors & Subcontractors Been dealing with an AHU today and the supply fan just can’t sit still. No setpoint changes, nothing happening on BAS, but the fan keeps […] ]]> 14bcc25effa5a74cdd9ce43884e4feaa Lucas posted a new activity comment https://hvachub.co/news-feed/p/2930/#acomment-2935 Wed, 12 Nov 2025 19:58:38 +1300 Sometimes the distributor tube feeding that circuit gets partially blocked with oil or debris.

In reply to - Nathan posted an update in the group Troubleshooting & Repairs Got one circuit frosting up while the others stay completely normal. Charge checks out fine, airflow’s solid, and filters are clean. Feels like […] ]]> 62cca1762e75f39373db2b48d6ef9316 Lucas posted a new activity comment https://hvachub.co/news-feed/p/2762/#acomment-2769 Sat, 01 Nov 2025 07:35:54 +1300 I think it’s more of a programming logic mismatch-the PID loop settings on the VFD can get too sensitive.

In reply to - James posted an update in the group Troubleshooting & Repairs Anyone here who’s spent time working on Daikin Maverick rooftop units? I’ve been digging into a weird behavior on a few of them-looks like the […] ]]> 72b0d0c333355f99eb08fdd4d5a0ddef Lucas posted a new activity comment https://hvachub.co/news-feed/p/2691/#acomment-2698 Wed, 29 Oct 2025 13:56:24 +1300 VRF training programs are expensive and rarely held nearby. Makes it hard for smaller contractors.

In reply to - Grayson posted an update in the group HVAC Tools & Equipment If I’m honest, the toughest challenge these days isn’t finding new clients-it’s finding the right technicians. Commercial systems have changed […] ]]> 5ad0625f147aba8f3588214851118e80 Lucas posted a new activity comment https://hvachub.co/news-feed/p/2599/#acomment-2606 Thu, 23 Oct 2025 13:57:53 +1300 Check for duct obstructions – even small debris can throw off airflow balance.

In reply to - Brandon posted an update in the group HVAC Installation Best Practices I’ve been working with a VAV box controlling airflow in a commercial system, and noticed some zones aren’t getting consistent airflow. […] ]]> 3486b3ed5437f792a27ea865c82792a3 Lucas posted a new activity comment https://hvachub.co/news-feed/p/2582/#acomment-2595 Thu, 23 Oct 2025 13:57:46 +1300 I don’t think GDPR applies to small local campaigns – am I wrong?

In reply to - HVAC Community Hub posted an update in the group The HVAC Automation Blueprint Hey friends, Email marketing is powerful, but it only works if your messages actually reach your clients’ inboxes. Spam filters and […] ]]> 2def50b501ee14f3b3f2a6bfce08c739 Lucas posted a new activity comment https://hvachub.co/news-feed/p/2410/#acomment-2421 Thu, 16 Oct 2025 14:10:04 +1300 Sometimes people just want to feel heard. A quick reply can prevent escalation.

In reply to - HVAC Community Hub posted an update in the group HVAC Reputation Powerhouse-Win Trust, Dominate Reviews, and Stand Out Outline Hey friends, We all know that sometimes a single bad review or negative […] ]]> ef2c91189f4da9b56502135ed6c70d70 Lucas posted a new activity comment https://hvachub.co/news-feed/p/2335/#acomment-2342 Tue, 14 Oct 2025 13:56:12 +1300 I had a frozen evaporator coil even though airflow and refrigerant charge looked fine.

In reply to - HVAC Community Hub posted an update in the group HVAC Contractors & Subcontractors Hey friends, I know everyone here deals with all kinds of tricky HVAC situations, and sometimes it feels like no one else […] ]]> 4912ddcb7e79165f4f6aeb4646ca4ad7 Lucas posted a new activity comment https://hvachub.co/news-feed/p/2186/#acomment-2193 Wed, 08 Oct 2025 06:09:04 +1300 Check for a blocked or kinked equalization line -it can mess with superheat readings.

In reply to - Ethan posted an update in the group HVAC Installation Best Practices I’m seeing unusual liquid floodback to the compressor on a system- suction superheat is way too low. Not sure if it’s a TXV problem or a […] ]]> 943c54d25c63f4e02c59fbc8a84fe172 Lucas posted a new activity comment https://hvachub.co/news-feed/p/1617/#acomment-1632 Sat, 06 Sep 2025 19:11:17 +1200 I still think face-to-face matters more than systems. Old school works.

In reply to - HVAC Community Hub posted an update in the group The HVAC Automation Blueprint Automation Isn’t the Future of HVAC-It’s the Present When it comes to scaling an HVAC company, automation isn’t just a […] ]]> 8fba26f3f9460653f9447fa963da2c5a Lucas posted a new activity comment https://hvachub.co/news-feed/p/1369/#acomment-1377 Fri, 22 Aug 2025 10:31:06 +1200 Yeah, had a UVM last week that was getting unstable readings until I confirmed the input power.

In reply to - Adam posted an update in the group Troubleshooting & Repairs Looking for some guidance with a Carrier 38AKS unit. This one predates the newer ComfortLink controls and is still running on an ICM board paired […] ]]> 8353482db1f58c738339f2e9a0a919d0 Lucas posted a new activity comment https://hvachub.co/news-feed/p/841/#acomment-858 Tue, 15 Jul 2025 10:43:32 +1200 Are you union or non-union? I’ve worked both sides—unions have better pipelines but slower hiring. Trade-off depends on your volume.

In reply to - Daniel posted an update in the group HVAC Contractors & Subcontractors Anyone else feel like finding good crew is harder than landing new jobs these days? Work isn’t the issue—we’ve got contracts lined up for […] ]]> 5de334c07c68196ced9cdfad26da2403 Lucas posted a new activity comment https://hvachub.co/news-feed/p/299/#acomment-341 Mon, 05 May 2025 05:36:41 +1200 Agree. It’s the little things that separate pros from hacks.

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

HVAC Install Tip of the Day:

Level it, seal it, size it right!

Clean work = happy clients + fewer callbacks.

Quality work always shows!




]]> d2ad633c2849602bb9ca331952575a12 Lucas posted a new activity comment https://hvachub.co/news-feed/p/200/#acomment-213 Thu, 24 Apr 2025 07:05:36 +1200 Always do Manual J. Even if the customer swears the old one ‘worked fine.

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

HVAC Installation – Where It All Starts

Over the years, I’ve learned one thing that’s never failed me: no matter how high-end the equipment is, […]

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