The heating, ventilation, and cooling systems in your home are vital to your comfort and safety. Learn all about HVAC systems, maintenance, and equipment.
Duct Cleaning
How to Clean Ducts Yourself
Modern metallic floor fan in a plant-filled room
How to Keep Your House Cool Without AC
Fan in Window
How to Use Fans to Cool a Room
Cleaning Air Conditioner Coils
How to Clean Air Conditioner Coils
Air Duct Cleaning
How Much Does It Cost to Clean Air Ducts?
thermostat digital Programmable on wall
What Is Em Heat on a Thermostat?
Thermostat on wall
5 Reasons Your Thermostat Isn’t Working
Air vent cover for room heating/cooling and return furnace air
9 Reasons Your Furnace Isn't Blowing Hot Air
Gas Furnace
What It Means When Your Furnace Is Short-Cycling
Heating Register on Window Sill
Common Reasons Your Furnace Might Not Be Working As Well As You’d Like
Infrared heater
Infrared Space Heaters Could Be Your Affordable Heating Solution
woman buys a air conditioner
What's the Best Time of Year to Buy an Air Conditioner?
Cleaned window air conditioner next to pink flower bouquet
How to Clean a Window Air Conditioner
HVAC Thermostat
How to Repair Your HVAC
Fan in Window
How to Set Up a DIY Air Conditioner to Cool Down Without an AC Unit
Ceiling fan with fixed chain to turn on and off
How to Fix a Ceiling Fan Chain
person changing fan speed on an air conditioner
How to Optimize Your Air Conditioner Settings
House HVAC Floor Vent Register
Is HVAC Air Duct Cleaning Hype or Actually Necessary?
Gas furnace
How to Light the Standing Pilot on a Gas Furnace
Gas Furnace and Water Heater
Testing and Diagnosing a Furnace Pressure Switch
Thermocouples
Learn How to Replace a Furnace Thermocouple or Flame Sensor
Hot water heater and furnace in basement
Troubleshooting Tips if an Electronic Ignition Furnace Won't Light
Fire and smoke detector on beige wall
For Best Protection, Position Smoke Alarms Correctly
Line-voltage thermostat wired for a baseboard heater being adjusted
How to Wire a Line-Voltage Thermostat for a Baseboard Heater
Steam vs Hot Water Radiators
Steam vs Hot Water Radiator Comparison Guide
Ventless gas fireplace decorated with surrounding bricks, houseplants and couch
Ventless Gas Fireplaces: What to Know Before You Buy
Baseboard heater
Convection vs. Hydronic Electric Baseboard Heater
Fire burning in wood stove
Wood Heat vs Pellet Stove Comparison Guide
AC unit in a living room
Window Air Conditioning Chart (BTUs for Room Size)
Diagram of a humidifier's air duct system
What You Need to Know About Furnace Humidifiers
ceiling fan
10 Noisy Fan Causes and Fixes
lit gas burner on a stove
Staying Safe: Identifying Signs Of a Gas Leak
pile of firewood
Best Firewoods for Heating Your Home
Thermostat on wall
Learn How to Adjust Your Thermostat's Heat Anticipator
Fix Wall-Mounted Electric Heater
How to Repair a Wall-Mounted Electric Heater
window unit air conditioner
When It Comes to Air Conditioners, Size Matters
Mug with marshmallows and painted mountain-scape on side next to stacked books
13 Ways to Stay Warm Without Turning Up the Heat
Appliances in basement
Learn About High-Efficiency Condensing Furnaces
Empty Vacant Apartment Real Estate
240-Volt Baseboard Heater Circuit Requirements, Thermostat, and Wiring
Hand turning thermostat knob
How to Install a Line Voltage Thermostat for a Baseboard Heater
Fan rotating in a room
Which Direction Should a Ceiling Fan Rotate?
thermostat on a wall
How to Understand the Terminal Letters When Wiring a Thermostat
Heater mounted to wall
Electric Wall Heater: What to Know Before You Buy
Service Man Working on Furnace
Easy Fixes for High-Efficiency Furnace Problems
Large fan cooling room with houseplants
10 Ways to Cool Down a Room Fast
An electronic furnace
3 Common Furnace Ignition Methods
Woman adjusting digital thermostat
Learn How to Pick the Right Thermostat for Your Furnace
Replaced water heater with expansion tank
Learn How to Install a New Water Heater
Air Conditioner
What Are the Fundamentals of 240/250-Volt Air Conditioner Circuits?
Furnace and hot water heater in a basement
What Is a High-Temperature Limit Switch on a Furnace?
pile of firewood
What to Know About Corded Firewood
Casement Awning Window opening uPVC aluminium frame with space for text
How to Install a Casement Window Air Conditioner
Old style cast iron household steam radiator for heat
Diagnosing Problems With Steam Radiators
Close-up of a baseboard heater
Calculating Required Wattage for Electric Baseboard Heating
window air conditioning unit
Here's How to Keep Your Garage Cool
Window air conditioner unit set at 70 F.
Find the Right Size Window Air Conditioner for Every Room
Big stack of PVC piping
PVC Pipes You Can Use for High-Efficiency Furnaces
radiator
Differences Between Types of Home Heating Systems
ductless air conditioner
Home Cooling: Window AC or a Ductless Mini-Split Cooling System?
cleaning a dryer duct vent
Clean Your Dryer Ducts to Guard Against Fire
pile of free firewood
How to Find Free Firewood Near You
Repairman with digital infrared thermometer checks gas furnace output temperature
Tips for Troubleshooting a Gas Furnace Standing Pilot Light
Whole house furnace humidifier
Maintaining a Whole-House Humidifier
Foil insulation
Reflectix Foil Insulation Review