Lowyat.NET: Latest topics by mrhulk

how you guys cool down your house

mrhulk — Sun, 07 Jun 2026 20:46:27 +0800

Hey guys, I only have one aircond in my house, and it's in the master bedroom. The moment I step out of the room, the heat in the rest of the house hits me like a wall. For those of you living with only one AC, how do you keep the rest of your house cool without buying more units? Any tips?

Here is a quick summary of the best cooling solutions shared in this thread:

The Ultimate Guide: How to Cool Your House with Only 1 AC (Without Buying New Units)

Based on the epic discussions in the forum, trying to force a single bedroom AC to cool an entire house by just leaving the door open is a losing battle—it will just murder your electricity bill and fry the compressor.

The real secret is a combination of Passive Defense (stopping the heat from entering) and Active Air Management (maximizing the fans you already have).

Here is the ultimate blueprint summarized from the thread:

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Phase 1: Passive Defense (Stop the Heat First)
The core engineering consensus is simple: Stop treating the symptoms (cooling hot air) and fix the cause (radiant heat baking your roof and walls).

Attack the Roof (The Biggest Enemy): If you stay in a landed house, installing pure aluminum bubble foil or spraying a thick layer (4 to 7 inches) of cellulose insulation in the attic is the single most impactful upgrade. It blocks up to 98% of radiant heat and can drop internal temperatures by 4°C to 7°C.
Block the West-Facing Sun: Walls and windows absorbing afternoon sun act like radiators at night. Use heavy blackout curtains (like the ones from IKEA) indoors, and wooden blinds or solar tints on the outside of west-facing windows to stop the greenhouse effect before it hits the glass.
Natural Shading: If you have the compound space (or live in a kampung setting), plant tall trees or climbing vines on the afternoon-sun side to naturally shield the house.

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Phase 2: Strategic Airflow (Move the Air Right)
Once you minimize the heat entering, you need to manage the air intelligently.

The 20-Minute Flush: Do not turn on the AC immediately when you get home. Open your main door and windows completely for 20 minutes. Use fans to create cross-ventilation to flush out the trapped, baking daytime air first.
Zone Isolation: Cold air sinks and escapes easily. Use doors, heavy curtains, or temporary partitions to seal off unused zones (like the kitchen or stairwells) so you keep the cool air trapped strictly where you need it.
The "AC + Fan" Relay: Set your bedroom AC to a modest 26°C to 28°C on a low fan setting. Then, position a regular standing fan right outside the door to catch that cool air and pull/circulate it into the adjacent living spaces. This creates a wind-chill effect that feels much cooler without straining the AC.

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🛑 What to AVOID (The Pitfalls & Myths)

QUOTE

1. The Lazy "Open Door" Method: Do not just open your bedroom door wide and expect a single small AC to cool a whole house. It will run non-stop, overheat, and fail to cool either room properly. Use the fan relay method instead.

2. DIY Gimmicks (Eco-Coolers): Skip the viral internet trend of cutting plastic bottles to cool air. As the physics guys pointed out in the thread, without a mechanical compressor creating a massive pressure drop (Joule-Thomson effect), a natural breeze passing through plastic funnels will NOT lower the air temperature.

3. Unregulated Roof Sprinklers: While pumping water onto a zinc roof works via evaporative cooling (very common in food stalls), it risks structural water leaks, ruins ceilings, and can result in high water bills if you don't set up a strict timer/recycle system.

TL;DR: Treat your roof and windows as a shield, flush out the trapped hot air daily, and use fans to distribute the AC's output rather than cranking down the AC temperature. Your wallet and your body will thank you!

should i invest my money in KWSP thru i-invest?

mrhulk — Thu, 22 May 2025 10:29:42 +0800

i have around 80K available for investment in kwsp. anyone use i-invest here? any tips?

will malaysia fighters return from syria?

mrhulk — Mon, 09 Dec 2024 21:12:26 +0800

The war in Syria has ended, and it is known that some Malaysians went there to fight against Bashar al-Assad.

What would happen if these Malaysians were to return from Syria? polices will catch them?

how long you keep your phone?

mrhulk — Sat, 26 Oct 2024 10:37:26 +0800

how long you keep your phone after bought it? usually i keep change my phone in every 4 years or i feel phone start getting lagg.

Gaming Laptop for AutoCAD 3D

mrhulk — Fri, 18 Oct 2024 08:59:36 +0800

I just enrolled in an electrical engineering degree (Bachelor of Technology in Electrical System Maintenance), and my lecturer mentioned we’ll be using AutoCAD 3D. Should I get a expensive gaming laptop, or would it be better to buy a laptop and a desktop separately?

PALWORLD

mrhulk — Sun, 21 Jan 2024 01:22:07 +0800

Steam Store

[YOUTUBE]IltMIJeK-1M[/YOUTUBE]

Dedicated Server for SEA/MY/SG Players

QUOTE(Vyrnach @ Jan 28 2024, 12:00 AM)

Have been hosting a dedicated server for me and my friends (of about 3-10 depending on the time) and finally felt it's stable enough for more players. We welcome everyone and hope to have a good community for the game. We do have discord but I didn't have time to properly set it yet: https://discord.gg/D8ZxDXPecp

[SEA/MY/SG] S2G.MY Public 24/7 PVE Dedicated Server [NoDrop x4DropResource x0.5Hunger InstantHatch]
We have been hosting game servers for over 15 years and we don't play on stopping anytime soon.
Looking for friendly SEA players for our community server based in Malaysia which is currently in used by our semi-active friend group of about 3-10 of us.
We're very chill and only ask that global chat be mostly in English and to respect one another.

Server feature:
- Auto restart on crashes
- Auto backup every 30mins
- High end R9 5950X CPU with 64GB of RAM

Mostly running default game values except for notably:
- No drops on death (so no more annoyingly retrieving your stuff)
- x4 for Pal drops and resource gathering (so no more fighting over resources)
- x0.5 hunger for Player and Pals (so you can focus on actually playing the game more)
- No more building decay outside Palbox zone
- x2 work rate
- No limit to party raids
- Instant egg hatching

We're playing this game everyday so expect the latest features and mods to come to the server as well!
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pal.s2g.my:8211
42.188.137.178:8211 (IP subject to change. Please use the above for long term usage)
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[right][snapback]109044208[/snapback][/right]

ladies,do you know if someone stare at your boobs?

mrhulk — Sat, 13 Jan 2024 18:57:34 +0800

ladies of /k, do you know if someone stare at your boobs? i am not sure if they notice or not....

Why Israel pull out from Gaza? They winning right?

mrhulk — Tue, 02 Jan 2024 20:19:54 +0800

Israel announces plan to withdraw some troops from Gaza
[YOUTUBE]3QOuzCwKm9E[/YOUTUBE]
The Israeli military has announced plans to begin pulling thousands of soldiers from Gaza as part of their re-positioning for a long term conflict.

BattleBit Remastered

mrhulk — Tue, 20 Jun 2023 19:25:19 +0800

http://store.steampowered.com/app/671860/B...Bit_Remastered/

Anyone play this game?

is aircond necessary for home?

mrhulk — Tue, 09 May 2023 19:26:48 +0800

past week is so hot to stay outside.....my fan in my house keep blowing at highest speed, it helps but the heat is still there.....is aircond necessary for home? or this heat season only last for next few weeks more?

is our bank insure RM250k of our deposit?

mrhulk — Sat, 18 Mar 2023 08:11:30 +0800

i asking /k money expert

following SVB collapse

is it true the banks in malaysia only insure RM250K of deposit money if the bank collapse?

Someone won $2 Billion Powerball Jackpot!

mrhulk — Wed, 15 Feb 2023 23:39:10 +0800

Winner of Record $2 Billion Powerball Jackpot Is Revealed

QUOTE

More than three months after someone bought the winning ticket for a record $2.04 billion Powerball jackpot, California Lottery officials announced on Tuesday that winner was … Edwin Castro.

At Mr. Castro’s request, lottery officials did not disclose any biographical information about him, though they did release his name at a news conference, in keeping with California’s public disclosure laws.

https://www.nytimes.com/2023/02/14/us/power...california.html

If you won the jackpot, what you gonna buy first?

China's COVID cases overwhelm hospitals

mrhulk — Tue, 27 Dec 2022 13:12:17 +0800

https://www.reuters.com/world/china/the-icu...are-2022-12-26/

QUOTE

4 minute readDecember 26, 202210:00 PM GMT+8Last Updated 15 hours ago
China's COVID cases overwhelm hospitals
By Martin Quin Pollard

BEIJING, Dec 26 (Reuters) - In more than three decades of emergency medicine, Beijing-based doctor Howard Bernstein said, he has never seen anything like this.

Patients are arriving at his hospital in ever-increasing numbers; almost all are elderly and many are very unwell with COVID and pneumonia symptoms, he said.

kind feel like Deja Vu as we saw in dec 2019.....Round 2 everyone?

Amd 6600 xt. Wait or buy?

mrhulk — Wed, 14 Dec 2022 14:28:13 +0800

Is amd 6600 xt worth to buy for rm1500? Or wait new gfx series?

the special month cum again - No fap November

mrhulk — Tue, 01 Nov 2022 10:21:40 +0800

QUOTE

An undertaking of great endurance and perseverance. When a group of friends (usually, but not always male) pledge to each other to not masturbate for the whole month

HOLD THE LINE, BROTHER !!!

Side income: How to join cybertrooper

mrhulk — Mon, 31 Oct 2022 21:00:25 +0800

i dont know how....so how to apply for cybertrooper job?

Are reject perfumes legit? where to buy it?

mrhulk — Thu, 29 Sep 2022 10:33:24 +0800

my friend bought rejected perfumes for RM100+ ...the smell is good, but i never smell the original..... is it legit or fake perfume?

if it is legit, where to buy it in shopee? so many sellers claims their rejected perfume is legit

how Thailand people live after several coups?

mrhulk — Fri, 01 Jul 2022 11:04:12 +0800

Thailand have several coups in past, but the country does not go to chaos like Myanmar? how thai people can adapt quickly to several coups? is their military leaders better in governing the country?

Bahasa Melayu is confusing

mrhulk — Tue, 21 Jun 2022 11:05:58 +0800

why you pronounce Saya as Sa-Ye.....it should be Sa-Ya right?

what is your weekend plan? tomorrow?

mrhulk — Fri, 17 Jun 2022 11:38:26 +0800

nothing much....i just going to zoo with my family and having nasi kandar for lunch....