BASC Search | Building America Solution Center

A direct-vent sealed-combustion fireplace takes its combustion air directly from outside through a dedicated air inlet and vents combustion products directly outside

Publication Date

Mon, 02/04/2013 - 12:00

Right – Raised heel trusses allow room for insulation over the exterior wall top plates, while baffles direct ventilation air to flow above the insulation from the soffit vents to the ridge vents.

Publication Date

Thu, 09/30/2021 - 12:00

Vented versus Unvented Attic

Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.

Fireplaces and Wood Stoves Have Proper Ventilation

Guide describing how to provide combustion air for fireplaces and how to test fireplaces for combustion safety.

Ventilation Air Inlet Locations

Guide describing how to install ventilation air inlets in open locations at a safe distance from potential air contamination sources.

Calculating Attic Passive Ventilation

Information guide describing how to calculate attic passive ventilation with example calculations.

Passive and Low-Energy Cooling

Guide describing various ways of implementing passive and low-energy cooling techniques for a house.

Pre-Retrofit Assessment of Ventilation Systems

Guide describing how to evaluate existing ventilations systems before performing home upgrades.

Building Science Introduction - Air Flow

Information guide providing background information about air flow in residential buildings.

Home Performance Assessment

Information guide describing how to apply a whole-house approach to home improvement with energy efficiency upgrades, improved indoor air quality, and increased comfort.

Whole-House Ventilation Strategies for New Homes

This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.