What You Need to Know About Navien Equipment
May 26, 2021 · A fix might be as simple as using a different material for the gasket." The vent gasket issue seems to only occur over time. The gasket between the heat exchanger and burner may be quality control failure at the factory, given that Mike aka "Mikey Pipes" was able to make multiple turns on multiple screws before they snugged up, and it STILL leaked.
Humidity issue in HE furnace box - GreenBuildingAdvisor
Nov 28, 2024 · For a bandaid solution, we are thinking of removing a gasket in an unused 3″ penetration in the side of the cabinet to get air communication with lower humidity air in the basement. (The dehu intake is about 24″ inches away.) The downside if this is it will then use some basement air for combustion air.
Mounting an Inline Intake Filter Box - GreenBuildingAdvisor
Dec 14, 2023 · Frost buildup on cold climate (9300 hdd) HRV intakes was a problem for us in the middle of winter. The intake would completely cover with frost and not allow fresh air in. Did not happen all the time but when conditions were right, trees covered in frost, those type days. The intakes were the typical slanted metal hood with 1/4" hardware cloth ...
Air sealing, flashing ERV penetration - GreenBuildingAdvisor
Sep 3, 2024 · We are installing a Zehnder in a home where all the internal comfotubing was run but the intake and exhaust penetrations were not made prior to finishing. We’ll be cutting the penetrations (from the interior to the exterior) in the ICF foundation wall but I’m curious about the best approach for air sealing and flashing the penetration where ...
Attic ventilation: Is it ok to have WAY more intake than exhaust ...
Oct 28, 2024 · Ah- thanks for responding- and thank you for correcting me on Joe L's name-- I will edit my original post to correct it, if it will let me! I wasn't sure if the intake to exhaust ratio applies IF you have twice the required ventilation OVERALL (i.e. 1 sq. ft for every 150 sq. ft of attic vs the standard 1 ft for every 300 sq. ft of attic.)
Sill seal: Foam air seal vs. EPDM air seal - GreenBuildingAdvisor
Mar 19, 2019 · Hi Steve - I don't think that the evenness of the top of the foundation and the uneven point-loading of the mud sill (e.g. how compressed the sill sealer is at j-bolts compared to between) mean reliable air sealing from the sill sealer alone.
Flatrock Passive: Air Sealing the Penetrations
Mar 12, 2018 · The idea was to cut the hole so the gasket would fit snugly around the vent. Using my trusty Ryobi battery-powered caulk gun (a tool I highly recommend), I dispensed a good bead of acoustical sealant both around the pipe and at the edge of where the gasket would lay on the ceiling (Image #11 below). I prefer Mulco Acoustik for air-sealing.
Best approach to termite shield and sill plate air sealing
Oct 30, 2024 · Please see the attached image. Zone 5, high desert, with termites.I have a slab on grade with edge insulation and a parged coating. Above I’ll have a termite shield, then […]
Attaching Ducts to a Heat-Pump Water Heater
Jan 18, 2019 · In the Pacific Northwest we've advised builders that if the unit is located inside the heated space, ducting both intake and exhaust to the outside is a good option for 2 reasons - 1) you avoid pressurize/depressurize issues on the building envelope in a tight house and 2) the outside temperature is above 35 F most of the year up here and I ...
My Earth Tube Story - GreenBuildingAdvisor
Apr 22, 2014 · That’s consistent with the past month of measurements, during which I’ve seen the intake air temperature fluctuate mostly between 37.4°F and 39.2°F [3°C and 4°C], depending on the outdoor temperature." In these two sentences, you tell us that the range of temperatures for the "incoming air entering the house" was 2.6°C to 4°C.