2024 AHR Home Ventilation Showdown: New ERV/HRVs, Filter Science, Pretty HVAC Grilles, & Make Up Air

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FOR MORE SCIENTIFIC INFO ON THE WORSTS:
Beware of Air Purifiers, Miracle Products, & Quick Fixes- Ep 305 of HOME DIAGNOSIS
• Beware of 'Air Purifie...
Very excited at all the innovations displayed at AHR EXPO 2024 in Chicago. See devices and systems demonstrated here that cover all 5 of the Factors of home ventilation: circulation, capture/filtration, humidity control, dilution air, and pressure relief. Chapter navigation below.
Join our ongoing masterclass in applied building science at Patreon: / homediagnosistv
1:07 UV lights, ionizers, and other home electronic air cleaners are snake oil until proven otherwise
1:19 HEPA filters, electrostatic charge, and different media types- Rensa
3:11 Even office supply manufacturer Fellowes knows air cleaners don't need to be more than a filter
4:05 Beautiful grilles and registers everywhere (here from Effectiv)
4:40 Combo recessed light and HVAC grille- Comfy-Light
5:16 Supply ventilation controls from Panasonic
6:07 Prof. Sean Chang is getting the hospitality industry smarter about IAQ
7:36 Exhaust robot arms- Movex
7:56 Biggest residential ERV available (~400 cfm) from Renewaire
8:54 Flow-limited ERV system from Aldes
11:10 How does a Constant Airflow Regulator work? with Frank from Effectiv
13:15 Corey Mullins, FL HVAC rockstar, on why nobody is dehumidifying in FLORIDA?!?
15:02 You can't dehumidify 600 cfm of makeup air, sorry
15:23 Current sensing switch types from Functional Devices
16:29 Modulating steam humidifier from Carel
17:41 Turkish customizable ERV that kicks ass so hard- BSK
19:32 Molded intake screens from BWC
20:26 Zehnder America's unique ERV flow regulation and exhaust filtration
22:38 Fire-safe stair pressurization system from US Draft Co.
22:35 ASHRAE bookstore is not rich in residential information, but we hope it will be someday

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6 фев 2024

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Комментарии : 33

@jbecker386 3 месяца назад

Aldes CAR! Nice to see! I have a bunch of those in my house and they're awesome!

@erickessler6094 3 месяца назад

Brilliant review Brother! Thanks! Cheers, Eric

@will-smith-nh 3 месяца назад

I have learned so much from your channel. Thank you.

@HomePerformance 3 месяца назад

Awesome Will

@steveadler4090 4 месяца назад

I wish you had gone over what you thought was the best preforming system for the best price .Thats what I'd like to see you do. As home builders we need options that are affordable and reliable !

@HomePerformance 4 месяца назад

First rule: there is no silver bullet, no single best of anything. Here’s the vid I think you’re looking for though: 5 Methods for Home Ventilation: AirCycler, Inline Fan, Bath Fan, ERV/HRV, & Ventilating Dehumidifier ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-_2uuOB5P6eI.html

@DeuceDeuceBravo 4 месяца назад

So good to see the filtration and ERV market ramping up. Should be some really outstanding options over the next few years. Thanks for the reporting! And I know the Zehnder is crazy expensive and overkill for most people, but that's a darn nice system. Wish I could afford one! 😄

@paulmaxwell8851 3 месяца назад

I love trade shows. They're the one place you can find everything on the market plus products not yet available. Good walk and talk!

@markn2904 3 месяца назад

Enjoyed my first episode of this seasons PBS "Home Diagnosis." It was educational, scary but rewarding to watch. Having a fire eradicate the attached condo building to where I used to live, it brought back some bad memories. Look forward to more stimulating episode in the future.

@HomePerformance 3 месяца назад

Great, Mark- you can binge up to ep 7 right now, and ep 8 drops tomorrow

@Ariccio123 3 месяца назад

I'm very glad to see that CAR in use. I've actually been idly imagining a system for the NYC apartment building I live in, and have long considered something just like it! These buildings are all ventilated with exhaust grilles in the bathrooms and kitchens, which are each connected to vertical shafts that connect to every other bathroom or kitchen in that line. They were built with manual dampers that were supposedly balanced when the building was built, which was terrible though functional, but over the years they've gotten so far out of whack that the system barely works. Some have removed the dampers or entirely removed the grille (madness!). Some have installed exhaust fans connected to the shaft, which further throws things out of whack. Open windows and such completely change the dynamics, and cannot be managed with static grilles no matter how hard people try. There's no easy way to convert to balanced ventilation, but it would be very easy to swap the static grilles for zone register terminals that connect to the light switches! We'd probably want something like a first stage CAR set to 5-20 CFM to exhaust continuously, but then a second CAR that is set to like 150-200CFM that comes on when the bathroom is in use, which would be important for keeping it from short circuiting. Then, install pressure sensors and controls on the roof fans to maintain a specific pressure in the exhaust shaft, and they will ramp up and down to provide the correct airflow. A DOE study tried something very similar on a multifamily apartment building and found massive energy savings! The ability of the roof fans to throttle down when nobody called for ventilation was what made the difference.

@ronm6585 4 месяца назад

Thank you.

@HomePerformance 4 месяца назад

Welcome!

@trickstothetrades1801 4 месяца назад

I definitely want to check out the vent /pot light for the a/c vents I’ll b installing on the ceilings. Thanks for sharing this info with us

@jamesblair6025 3 месяца назад

ERV instead of bathroom exhaust fans in Florida remodel. Guys I am trying to do a tightish remodel of a 50yr old Florida block home. I am air sealing everything I can. New AC unit, and ducts with a dedicated dehumidifier with fresh air intake. I was about to order a couple of high end Panasonic bath fans, but I am torn with the idea to skip them and install an ERV. I could pull air at a lower volume from baths and bedrooms and dump back into the AC return. Any input would be great. Thank you

@DK-vx5co 3 месяца назад

Great videos. I like the deep dives. I have a topic for discussion, perhapsl. In the past, for filtration (MERV 13-16) we've found it simple & elegant to make up a "reverse bottleneck" so we can easily maintain large, deeply pleated filters in the ballpark of 4"x24"x24" so that they create very little static. Have you run into this?

@HomePerformance 3 месяца назад

Not sure I’m understanding your jargon, DK. But yes, big thick filters are sexy.

@DK-vx5co 3 месяца назад

What I was alluding to is, instead of having the small, high-MERV filters "inside" the ERVs, just have a (24x24x4) filter at the intake to greatly minimize the static inside the ERV. @@HomePerformance

@pharpester 2 месяца назад

Very interesting content. I am having a new sealed home built in San Antonio, TX, what was the resource for home owners to test or find a hvac pro who would help me to ensure that things are working well?

@HomePerformance 2 месяца назад

Glad you found us! homediagnosis.tv/hvac-installers

@ACMichler 3 месяца назад

Great summery. The variable ERV boost ventilation box is brillant. I dont hear any energy efficency numbers on the ERVs which is a big deal in most climates and the reason we 8nstall these in the first place since they are callled "energy recovery"

@HomePerformance 3 месяца назад

The big deal about these in my world is that they are balanced, as you cannot safely use bath exhaust fans in a very tight home without side effects.

@steveadler4090 4 месяца назад

I can't help but think the technology must have got better and cheaper in 5 years.The video you sent me to was 5 years old.

@HomePerformance 4 месяца назад

Physics doesn’t change though