Below are some articles on topics that I find myself recommending to clients most.  They are in PDF format for convenient reference and download.

Aluminum Wiring Information

Aluminum Wiring Repair Booklet

Apollo Heating System Manual

Arc Fault Circuit Interrupter

Chinese Drywall

Condensation Trap for AC

Deck Connections Information

Efflorescence

Foundation Wall

GFCI Fact Sheet

Masonary Veneer Installation

Mold  

Natural Gas Sediment Trap

Polybutylene Pipe

Polybutylene Pipe Information

Roofing Cricket/Saddle

Septic System Homeowner Guide

Septic System Maintenance Facts

Step Flashing

Ventless Gas Fireplace

Well Assembly Diagram

Well Systems