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Vented and Sealed Attics in Hot Climates, RR-0981

Reference

Building science report describing issues with vented attics in hot-humid climates and how sealed attic construction may be a solution.

Residential Dehumidification Systems Research for Hot-Humid Climates

Reference

Research study identifying the best performing, most energy-efficient and cost- effective techniques to provide controlled mechanical ventilation and humidity control in hot- humid climates with thermally efficient building envelopes.

Building America Top Innovations 2012: Moisture and Ventilation Solutions in Hot, Humid Climates: Florida Manufactured Housing

Case Study

Case study describing a 2012 DOE Building America Top Innovation on ventilation strategies in hot and humid climates developed and assessed by the Florida Solar Energy Center.

This house design in the Hot-Humid climate uses a slab foundation, masonry walls, and an Exterior Insulation Finish System (EIFS) cladding.

This house design in the Hot-Humid climate uses a slab foundation, masonry walls, and an Exterior Insulation Finish System (EIFS) cladding.

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Example standalone dehumidifier option in a 1-story home closet

Example standalone dehumidifier option in a 1-story home closet

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A supplemental dehumidifier can be integrated with the central air handler

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An independent ducted dehumidifier draws air from and supplies air to the living space using its own ducts, not ducts that are connected to the HVAC system

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The dehumidifier draws air from a common area in the house, dehumidifies it, and adds it to the supply side of the central air handler for mixing and distribution

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The dehumidifier draws air from a common area in the house, dehumidifies it, and adds it to the return side of the air handler for conditioning, mixing, and distribution

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A supplemental dehumidifier is integrated with the home’s HVAC air handler to provide extra dehumidification when needed

A supplemental dehumidifier is integrated with the home’s HVAC air handler to provide extra dehumidification when needed

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The dehumidifier draws air from both a common area in the house and from outside, dehumidifies it, and adds it to the supply side of the air handler for distribution

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