Existing Homes

Start with Safety & Durability

The pre-retrofit assessment guides provide important health and safety information to consider when beginning a home improvement project.

Pre-Retrofit Assessment of Combustion Appliances
Information guide describing things to consider before attempting air sealing, insulating, and equipment retrofits in a home that has combustion appliances located within the home.
Pre-Retrofit Assessment of Hazardous Materials
Information guide describing hazardous materials that may encountered in the home when retrofitting a home, including asbestos, mold, and radon.
Pre-Retrofit Assessment of Attics, Ceilings, and Roofs
Information guide describing things to consider in the attic, ceiling, or roof before attempting retrofits of items including HVAC, wiring, or structural systems.
Pre-Retrofit Assessment of Crawlspaces and Basements
Information guide describing things to consider when considering home retrofits in the basement or crawlspace including HVAC, wiring, or structural systems.
Pre-Retrofit Assessment of Walls, Windows, and Doors
Information guide describing things to consider before retrofitting walls, windows, and doors, including wiring, moisture protection, and lead paint.
Pre-Retrofit Assessment of Existing HVAC Systems
Information guide describing options to consider when retrofitting or upgrading a home's HVAC system.
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.
Pre-Retrofit Assessment of Ventilation Systems
Guide describing how to evaluate ventilations systems before performing home upgrades.

Start with Safety & Durability

Step 1: Safety & Durability

Next Steps

Step 2: Fresh Air

Step 3: Moisture Protection

Step 4: Draft Free

Step 5: Thermal Comfort

Anytime: Equipment Upgrades