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Where the existing wiring for a home’s HVAC thermostat consists of only two wires, a third-party device can be installed to modify the wiring to enable installation of a smart thermostat.

Where the existing wiring for a home’s HVAC thermostat consists of only two wires, a third-party device can be installed to modify the wiring to enable installation of a smart thermostat.
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Where the home’s existing HVAC thermostat has four or more wires, this wiring set up will typically work for installation of most smart thermostats.

Where the home’s existing HVAC thermostat has four or more wires, this wiring set up will typically work for installation of most smart thermostats.
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Where the interior wall intersects the corridor wall in this multifamily building, the first intersecting wall stud is sealed to the corridor wall along both sides; other seams and penetrations in the exterior wall are also sealed

Where the interior wall intersects the corridor wall in this multifamily building, the first intersecting wall stud is sealed to the corridor wall along both sides; other seams and penetrations in the exterior wall are also sealed
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Where the optimal tilt angle for PV panels is 30°, if the roof is facing due south, the tilt angle (roof pitch) can vary 0° to 60° or roof direction can vary up to 65° to east or west and the roof can still collect 90% to 100% of available solar energy.

Where the optimal tilt angle for PV panels is 30°, if the roof is facing due south, the tilt angle (roof pitch) can vary 0° to 60° or roof direction can vary up to 65° to east or west and the roof can still collect 90% to 100% of available solar energy.
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Where to Safely Use a Fuel-Powered Generator

Where to Safely Use a Fuel-Powered Generator
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Where to Safely Use a Fuel-Powered Portable Generator

Where to Safely Use a Fuel-Powered Portable Generator
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Which building form is safest in an earthquake?

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Which roof shape best stands up to the fiercest gale?

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While heat loss at a glass sliding door is to be expected, the very dark area along the door in this IR camera image indicates significant heat loss that could be due to a badly aligned door, missing weather stripping, or air leakage

While heat loss at a glass sliding door is to be expected, the very dark area along the door in this IR camera image indicates significant heat loss that could be due to a badly aligned door, missing weather stripping, or air leakage below the door frame.
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While windows typically make up only 7% of the total envelope area of a home, they are responsible for 48% of its heat loss

While windows typically make up only 7% of the total envelope area of a home, they are responsible for 48% of its heat loss.
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White walls and roofs; overhangs and awnings; and operable shutters and garden walls all help to keep out unwanted solar heat gain providing cool interiors for this Florida home.

White walls and roofs; overhangs and awnings; and operable shutters and garden walls all help to keep out unwanted solar heat gain providing cool interiors for this Florida home.
Presentation:

Who holds the keys to a Healthier Home? What doors appear locked? Who are the key makers?

Who holds the keys to a Healthier Home? What doors appear locked? Who are the key makers?
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Whole house fan cover details

Whole house fan cover details
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Whole house fans draw cool night-time air in through open windows and expel hot house air into the vented attic

Whole house fans draw cool night-time air in through open windows and expel hot house air into the vented attic
Presentation:

Whole House Mechanical Ventilation Design and Installation as Though Health Matters

Whole House Mechanical Ventilation Design and Installation as Though Health Matters
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Whole House Mechanical Ventilation Options

Whole House Mechanical Ventilation Options
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Whole house ventilation ensures adequate indoor air quality

Whole house ventilation ensures adequate indoor air quality
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Whole-Building Delivered Ventilation

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Whole-House Fans

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Whole-house fans draw outside air through windows into the home and exhaust it into a vented attic

Whole-house fans draw outside air through windows into the home and exhaust it into a vented attic
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Whole-house fans operate when it is cooler outside than inside to exhaust hot air from the house and replace it with cooler outside air.

Whole-house fans operate when it is cooler outside than inside to exhaust hot air from the house and replace it with cooler outside air.
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Whole-house fans or wind-driven cross ventilation can be used to draw air across thermal mass for a night flush strategy

Whole-house fans or wind-driven cross ventilation can be used to draw air across thermal mass for a night flush strategy
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Why A Sealed FORTIFIED Roof

Presentation:

Why Are Attics Insulated With Open-Cell Spray Foam So Damp?

Why Are Attics Insulated With Open-Cell Spray Foam So Damp?