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Browse Ventilation Subtopics

 
 
 

Ventilation

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    Retrofitting a Heat-Recovery Ventilator

    The challenges are finding a good place for the unit and installing the ductwork without butchering interior finishes.

     
  • Can Fiberglass Batts Perform Well in Tightly Sealed Houses?

    I understand that fiberglass batt insulation can allow air to move through it and that this air movement degrades the insulation's R-value. Two causes I've heard about are wind-washing at the eaves and convective loops that can start in a wall cavity on really cold days and wick warmth from inside...

     
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    Custom Kit

    Fantech’s Kitchen Ventilation System contains all the components needed to build a custom range hood: a stainless steel hood liner, a remote inline fan, and an optional inline silencer.

     
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    Make-Up Air Duct Fittings

    High-volume exhaust hoods can create negative pressure in a tightly built house, which can cause backdrafting of gas-heating appliance flues.

     
  • High-Tech Range Hood

    Part of Jenn-Air’s new Glass Collection, the 32-inch JXP5032WS Perimetric Hood looks more like a flat-screen TV than a kitchen ventilation appliance.

     
  • Unvented Roofs and Shingle Warranties

    While the IRC has approved the use of certain "hot" unvented attics, it seems that asphalt-shingle manufacturers still recommend that their shingles be installed over vented roof assemblies. Does this mean that shingle manufacturers will void their warranties if the roof deck is insulated with...

     
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    Quick Fix for a Noisy Circulation Fan

    Q. My client's metal fireplace is supplied by a makeup air system with a built-in circulation fan. This fan - which plugs into an accessible outlet - is triggered by a heat sensor in the fireplace. While effective, it's also very loud. To reduce the noise, I'd like to replace the fan's on/off...

     
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    Kitchen & Bath

    Appliances, fixtures, and finishes

     
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    Air-Sealing Attics In Existing Homes

    For best results, locate the heat loss with a blower door and an infrared camera.

     
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    Kitchen & Bath

    Tubs; kitchen ventilation

     
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    Trouble-Free Appliance Rough-In

    Find out which models will be used and review the installation specs before rough-in

     
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    Products

    Insulation; hvac; locksets

     
  • Roof Ventilation Update

    The construction industry's leading researcher explains why what we think is true often isn't, and how some of our best hunches, based on observation of field performance, have paid off with problem-free attic assemblies.

     
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    Letters

    Fiber-cement clip; more on employee theft of clients; attic-ventilation misconceptions; more

     
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    Securing Soffits

    The eaves of a home can expose the structure to the ravages of wind-driven rain on two fronts: when soffits are blown out during a storm, and when winds of 90 mph or greater drive water through vented soffits. Effective December 2006, the Florida Building Code requires soffit systems to be able to...

     
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    Rebuilding the Gulf: Cooling Strategies for the Gulf Coast

    In the hot, humid South, it's not enough to install high-efficiency air conditioning. Dedicated dehumidification, along with impeccable attention to sealing the building enclosure, is required. Researchers at LSU exhibit three practical systems that balance performance and cost in the "LaHouse"...

     
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    Kitchen & Bath

    Solid surfacing; ventilation

     
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    Chilling at Home

    Ductless mini-splits offer efficient cooling and outstanding dehumidification, making them an increasingly popular option for coastal homes. Charles Wardell investigates the pros and cons, including cost, cooling performance, ease of installation, efficiency, corrosion resistance, and more.

     
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    Products

    Air blocker; quick frieze; decking; exterior doors; ventilation

     
  • Soundproofing a Through-Wall Air Conditioner

    Q. My neighbor has a noisy through-the-wall air conditioner that runs day and night. So that I could get a better night's sleep, I thought I would offer to build him a soundproof box he could place around the AC unit, before I resort to more drastic measu

     
 
 
 
JLC Field Guide to Decking