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Tech notes for the home

Get the Paperwork on a New HVAC Install, Plus a Family Rule for Scam Calls

· 8 stories · By Chris

Here's what caught my eye in tech this week that actually matters at home: a cloud tool that gives homeowners a written report on a new HVAC install, another sign that the refrigerants inside new equipment are changing, a fix for a security problem that Apple already handled for most people, and a new AI voice so lifelike it's a good excuse to talk about phone scams. Every story has its date and a link to where I read it.

Ask for the paperwork on a new HVAC install

Ask for the paperwork on a new HVAC install
Image: Daikin Comfort Technologies North America via ACHR News

Oct 24 Daikin's SkyportCare, a cloud tool techs use to set up and service Daikin, Amana and Goodman systems, won a 2026 award from the Consortium for Energy Efficiency. It walks the installer through a quality-install checklist, including checking the refrigerant charge and running a system test, and then produces a commissioning report the homeowner can keep. If the homeowner says yes, a tech can also check on the system remotely.

Home tip

Whatever brand you buy, ask for the startup or commissioning numbers in writing when a new system goes in, and keep them with the warranty paperwork. That gives the next tech a baseline to compare against. Remote monitoring is your call, so ask what it can see and who can see it before you turn it on.

Source: ACHR News

Refrigerants keep changing, even on big rooftop units

Refrigerants keep changing, even on big rooftop units
Image: Clivet via Cooling Post

Oct 24 Clivet, an Italian manufacturer, launched a new line of commercial rooftop units that run on R-454C, a lower-global-warming refrigerant from the same family as the R-454B that's now going into new U.S. home systems. It's European commercial equipment, but it shows the change in refrigerants is spreading across the industry.

Home tip

If your system is older, you don't need to replace it just because refrigerants are changing. When it comes time to replace it, ask which refrigerant the new unit uses and how easy it will be to get serviced down the road. Refrigerant work requires EPA certification and special equipment, so never top it off yourself. If you think you're low, call (470) 999-7395 or book online.

Source: Cooling Post

Apple quietly blocked some bad security certificates

Apple quietly blocked some bad security certificates
Image: MacRumors

Oct 25 A researcher found weak security keys behind eight certificates from an Indian company called eMudhra, which in theory could have let attackers impersonate real websites. There's no evidence anyone did. Apple says Safari, Mail and apps that use its built-in networking have blocked those certificates automatically since Oct 19, so most people don't need to do anything. The only exception is Mac command-line tools, which will get a fix in a future macOS update.

Home tip

This is why automatic updates are worth leaving on for phones, computers, Wi-Fi routers and smart thermostats. Most security fixes show up without you doing a thing.

Source: MacRumors

A voice AI that sounds human: time for a family scam rule

A voice AI that sounds human: time for a family scam rule
Image: TechCrunch

Oct 23-24 Block, the company behind Square, showed off Dessa, a voice model that listens and talks at the same time, so it handles interruptions, laughs and pauses like a real person. It isn't available to the public yet. Block is letting safety researchers test it first, probably because a voice this real could be used for scams.

Home tip

Pick a family code word for urgent calls asking for money. If anyone calls claiming to be your bank, a utility or a contractor and wants payment right away, hang up and call back on a number you already know is real.

Source: TechCrunch

Apple's first foldable phone has a hinge problem

Apple's first foldable phone has a hinge problem
Image: The Verge

Oct 25 Some owners of Apple's iPhone Duo report a crunch when they fold it, followed by bright lines across the inner screen. iFixit took one apart and found the breaks cluster near where a cable crosses the hinge support. They have theories but can't prove the cause yet. Dust also got into the hinge. It scored a provisional 5 out of 10 for repairability, the best iFixit has given a foldable so far, but the inner screen and hinge are still hard to fix.

Home tip

If you carry a foldable, a pocket with no sand, crumbs or sawdust in it goes a long way. If it starts crunching, stop and get it looked at before the screen goes.

Source: The Verge

Touchscreen MacBook Pro reportedly on the way

Touchscreen MacBook Pro reportedly on the way
Image: MacRumors

Oct 25 Bloomberg reports that Apple will announce 14-inch and 16-inch MacBook Pros with touch-enabled OLED screens on Wednesday, Oct 28. Touch is meant as an extra option next to the keyboard and trackpad. This is a report, not an Apple announcement yet.

Source: MacRumors

If you got a DJI drone, check your settings after updates

If you got a DJI drone, check your settings after updates
Image: DroneDJ

Oct 25 DJI's FPV drones, starting with the Avata 360, can now fly saved waypoint routes. DroneDJ warns the update can reset Return-to-Home altitude and maximum distance to their defaults.

Home tip

The same goes for any gadget. After a firmware update on a drone, camera, router or smart thermostat, take a minute to check that your settings and schedules are still where you left them.

Source: DroneDJ

Quick fall checklist

  • Clear leaves and sticks away from the outdoor unit and keep a couple of feet of open space around it.
  • Check your furnace filter before the first cold snap, and swap it when it looks gray or dusty.
  • Test your smoke and carbon monoxide alarms and replace the batteries if they need it.
  • If you smell gas, leave the house and call your gas company from outside. Don't work on gas lines, the furnace's gas valve, or a live electrical panel yourself.

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