집 HVAC 정상이 아닌것 같은데 업체에서는 정상이라네요.. [업데이트 1] - 마일모아 게시판

[업데이트 1] 참으로 오랜만에 업데이트 하게 되었습니다. 우선 저번 테크니션이 refrigerant leaking 을 의심했었구요 그날 4lbs의 410a를 채운 후 한달 뒤에 얼마나 압력이 줄었는지 확인해 보면 leaking을 확인할 수 있을거라 했습니다. 그게 한달 전 일이었고 오늘 드디어 테크니션이 와서 압력을 측정한 결과 leaking이 의심된다는 의견을 줬어요. 내친김에 freon detector로 외부유닛, 내부 코일을 찍어봤는데 내부 코일에서 leakin ...

Wireless Solutions for Smart HVAC system

Zigbee, Thread, and Bluetooth Mesh are wireless standards designed for low-power, large scale networks. The “self healing” and node hopping capabilities of these systems allow them to scale and cover a large building with thousands of nodes. If the goal is to outfit an entire HVAC system with intelligence to boost occupant experience or to run more efficiently, then Zigbee and Thread are the gold standard. Bluetooth and BLE are great starting choices for connecting an HVAC system. They are s...

hvac - Water in attic AC air handler pan - Home Improvement Stack Exchange

A lot of water poured into the pan under the air handler in attic. Somehow it overflew. I collected at least a gallon. A picture of brand specs, pan, and what is visible from the 4-inch...

Duct Insulation: HVAC Air Distribution | Owens Corning Insulation

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Duct Hvac

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Ducts traveling through an attic are inefficient and can add as much as 25% to the cooling load of your HVAC system. Leaky ducts waste cool air and will increase your energy bill.

hvac - Do I need to vent my sealed attic? - Home Improvement Stack Exchange

Edit: Updated with responses The house in question is a 2-story w/ basement, with a two-zone (ground floor, and upstairs) HVAC system in NY. There is an attic with a ladder(*) housing the upstairs ...

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Attic Upgrades and Ventilation - GreenBuildingAdvisor

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