central humidifier on air conditioner

How Stuff Works

What is the name of that doo-hickey? A house can be a bewildering assemblage of parts. It pays to know what those parts are called and how they work when making repairs, hiring help, or visiting the home center. Written by Don Vandervort, author of the bookHow Your House Works” (published by Ballantine, a Division of Random House) these articles and diagrams will demystify your home. 

Browse Categories

Air Conditioners – Central

Air Conditioners – Window & Room

Ceiling Fans

Fireplaces & Chimneys

Furnaces & Heating Systems

Heat Pumps

Insulating & Saving Energy

Pellet Stoves & Wood Stoves


Ventilation & Fans

Air Cleaners & Purifiers

Central Vacuum Systems

Clothes Dryers



Garbage Disposals


Ranges & Ovens

Refrigerators & Freezers

Washing Machines

Water Filters

Water Heaters & Dispensers

Water Softeners

Bathroom Cabinets

Closets & Organization


Kitchen Cabinets

Door Knobs & Hardware

Front Doors

Interior Doors

Screens & Storm Doors


Sliding & Patio Doors



Electric Receptacles

Electrical Wiring

Emergency Generators

Home Security Systems

Light Switches & Controls


Network & Phone

Solar Electric (PV) Panels

TV & Home Entertainment


Molding & Trim




Tile, Stone & Grout

Vinyl & Resilient Flooring


Wood Floors

Garage Doors

Garage Lighting & Flooring

Garage Storage

Paint & Equipment

Shop & Tools

Barbecues & Outdoor Kitchens

Decks & Porches


Fences, Arbors & Gates

Gazebos & Patio Roofs

Outdoor Lighting

Patios, Paths, Pavers & Steps


Sheds & Playhouses

Swimming Pools & Spas

Water Features


Faucets & Taps

Home Plumbing System

Septic Systems

Showers & Steam Showers

Sinks & Lavatories

Sump Pumps & Moisture Problems

Toilets & Bidets

Architects & Designers

Interior Design & Decorating

House Framing & Construction

Manufactured Homes

Remodeling & Home Improvement

Architectural Detailing

Exterior Painting

Gutters & Downspouts

Roofing – All 

Roofing – Asphalt-Fiberglass

Roofing – Built-Up (Flat)

Roofing – Metal

Roofing – Tile & Masonry

Roofing – Wood Shingle

Siding – Aluminum & Steel

Siding – Brick & Stucco

Siding – Plywood & Panel

Siding – Vinyl

Siding – Wood & Shingle


Fire Safety

Lead, Mold, Asbestos & Toxins


Container Gardening

Eco-Smart Gardening

Edible & Vegetable Gardening

Flower Gardening

Garden Design

Lawns & Ground Covers

Pest Control

Shrubs, Hedges & Trees

Sprinklers & Drip Irrigation


How Things Work

On Top

How More Stuff Works

perimeter foundation and slab

House Foundation Types and Diagrams

How basic foundations are built, including slabs, perimeter foundations, concrete blocks, and piers A house needs a foundation to shoulder its considerable weight, provide a

diagram of bath sink

How Sink and Drain Plumbing Works

Diagrams and helpful advice on how kitchen and bathroom sink and drain plumbing works In This Article: How a Sink Drain Works What Is a

Diagram of a house's ventilation system, including attic, kitchen, and foundation vents.

How Home Ventilation Works

A little humidity is important to comfort in a home, particularly in winter. But too much vapor, combined with fumes from synthetic materials, pesticides, cleansers,

Social Media

Featured: Electrical Systems

Get The Latest Updates

Subscribe To Our Weekly Newsletter

No spam, notifications only about new products, updates.
Learn more about us!
Read More