Category Archives: Ventilation

Air delivery in a tight house

Guests! An Ebay Scam and ERV Maintenance

We have had the pleasure of several recent guests who have stayed in the new master bedroom and bath. The new curtains have made the space more private and it has proved to be great to have another bathroom with … Continue reading

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Fixing the ERV

I broke the ERV by trying to install an automated control system with the Nest to the Boost control and with Lutron devices to the 0-10 variable control system. The support for the Recouperator was very helpful and sent a … Continue reading

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Drywall Prep: Reinforce Ventilation Shaft with Corner Braces

The ventilation shaft is constructed of metal studs. It is long and hangs from only one side. The idea is that the drywall will reinforce the structure and keep it from sagging. Right now it flexes when pulled down. Our … Continue reading

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Connecting the Ventilation Fans

The ventilation fan connections also had to be done before the drywall can be installed. We have to ventilate the crawlspace to meet the requirements of a conditioned crawlspace. This can be done by placing a heating vent into the … Continue reading

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Broken Ventilation System!

Amazing isn’t it? I can’t be satisfied with the existing system, I had to try to control it automatically. That would be OK if not for the problems I cause. The first project was just to connect the system to … Continue reading

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More Ventilation Ducting Fixes

We just enjoyed a visit from our friends Jan and Mike from Indiana and got some good help and ideas from them. They wanted to work on the house. What are good friends for anyway? So we redid one of … Continue reading

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Central Vacuum in Action

Ahhh. Listen to the whooshing sound of the air sucking up tons of dirt. Wow, look at the dust disappearing from the duster into the innards of the pipe opening. A bit louder but what a great tool the power … Continue reading

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Central Vacuum Wiring

When I had everything finally connected and all the inlets installed it was late in the afternoon and I was tired. I opened an inlet and nothing happened. Then I opened the vacpan inlet and all the inlets came on. … Continue reading

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Central Vacuum Connected

I finished connecting the central vacuum piping and wiring today. Even with all the parts I had ordered, I ran out of pipe and 90 degree sweep elbows so had to wait two days for Amazon to deliver more. I … Continue reading

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Central Vacuum Accessories and Piping

I’m working on the central vac piping. The pipes are GO VACUUM brand for vacuum systems. These are 2″ but a bit smaller than Schedule 40 PVC. They supposedly build up less static inside them and fit the inlets exactly. … Continue reading

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HVAC Inspection Failed

I’m not actually surprised that I failed the first inspection of the ventilation system. It makes sense that I would do some things incorrectly or at least not up to code. In this case I substituted lightweight zip ties over … Continue reading

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Foobot Air Quality Monitor

This Foobot air quality monitor is a very cool device. I purchased it from a seller on ebay for about half of retail. It is an easily set up device using a smart phone app. It comes in an orange … Continue reading

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Ventilation Controls

The standard controller that is included with the Recoupaerator is a manual variable speed on/off wall dial control. The wiring on the back of the panel consists of six wires and it comes with a very short cable attached. I … Continue reading

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Reopening a Roof Vent

We had patched the two existing roof vents in the old attic when we insulated the roof. But then I decided to use one for the ERV exhaust. I opened the vent by cutting the metal front corners and bending … Continue reading

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Exhaust Side Ductwork

It has taken several weeks to put together the ductwork for both the supply and exhaust for the RecoupAerator ERV system. It seems I keep needing another part to make the next connection. I realized that I purchased 10″ exhaust … Continue reading

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Supply Side Ductwork

I’ve been connecting the ductwork for the ventilation system. The original plan had a few vents that I decided to eliminate based on balancing the system’s supply and exhaust ports. So there is a long stretch of flexible duct in … Continue reading

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Ventilation Progress

The ventilation system has to be finished and inspected as part of the HVAC before we can drywall. We started the soffit for the ductwork in November when my brother was visiting. I finally finished the framework today. I finally … Continue reading

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More Work on the Soffit

The last couple of weeks I’ve been working on the metal soffit. This is the last task finished in 2016. I built another 10 foot piece and installed it. Then I put in the top of the corner piece since … Continue reading

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Family Affair Soffit

Both my brother and my sister helped install the soffit for the ventilation ductwork. We finished two ten foot sections. John recommended building it with the metal studs and he showed me how to use them. Jean was very helpful … Continue reading

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Central Vac Piping Revisited

I was writing support emails to Aspria about the vac connections before I got sick and today I reviewed the email and repiped the vacuum. Temporarily as they still need to be glued. Here is the advice sent to me … Continue reading

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