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Browse Ventilation Subtopics

 
 
 

Whole House

  • Products

    Compact excavators, hole saws with stamina, an easy-open utility knife, acrylic block windows, a drywall suspension system for domes, high-capacity toolbags, PVC railings, more

     
  • Q&A: Condensation on Windows

    Q. A customer with insulated-glass windows has a problem with excessive condensation on the interior of the windows. Can you please list the most important causes of high humidity in a home? A. Energy and sustainable

     
  • Building Airtight Homes

    An experienced builder of energy-efficient homes explains the framing and air-sealing details necessary to build a tight, well-ventilated home.

     
  • Installing A Heat-Recovery Ventilator

    A ventilation contractor explains the ducting, sizing, wiring, and balancing that produce an effective HRV installation.

     
  • Q&A: Sizing a Range Hood Fan

    Q: How do I size the exhaust fan for a range hood above a gas cooktop?

     
  • Q&A: Right Size for an Insulating Air Space

    Q: How big does an air space need to be before it stops working as insulation and starts working as a convective loop?

     
  • Q&A: Makeup Air for an Exhaust-Only Ventilation System

    Q: Q. I’m building a tight house with above-average attention to air sealing, and I plan to ventilate with a Panasonic exhaust fan running continuously. Will the cracks around windows and doors admit adequate makeup air, or do I need to provide wall vents

     
  • Q&A: Asphalt Shingles on Unvented Roofs

    Q: Our insulation subcontractor advises us to install dense-pack cellulose in the rafter bays over a cathedral ceiling, without ventilation baffles, and the local building inspector approves. If we don’t ventilate under the roof sheathing, what happens to

     
  • Q&A: Powered Attic Ventilation

    Q: I am trying to plan the best way to ventilate a hipped roof above an attic. Since the ridge is very short, ridge venting is not an option. I was planning to install powered exhaust ventilation. How should I size the fan?

     
  • Q&A: Attic Ventilation Details

    Q: I am improving the attic ventilation in a 30-year-old two-story house in Virginia. My plan is to install soffit vents and insulation baffles. The attic has gable vents with thermostatically controlled fans. Do I have to install a ridge vent, or are the

     
 
 
 
JLC Field Guide to Decking