Heating and Cooling

Year-round comfort requires a fully functioning furnace and AC—ditto the ductwork and the insulation. Your heating, ventilation, and cooling systems work together to keep your home at a perfect temperature, so it’s essential to ensure all parts are up to the task. Browse our library of heating and cooling articles to maintain an energy-efficient home and source reliable pros you can trust with your indoor air quality.

man adjusting temperature thermostat
Photo: Hero Images / Adobe Stock
man adjusting temperature thermostat
Photo: Hero Images / Adobe Stock
Explore top articles
From average costs to expert advice, get all the answers you need to get your job done.
A couple spending time together in their living room
Paige Bennett
•
Jun 13, 2025
Jun 13, 2025
What you’ll pay for furnace repairs depends on many factors, including what parts are malfunctioning, where you live, and even the time of day. Here’s a breakdown of what can go wrong with your furnace and the cost to fix those issues.
Family playing together on the lounge floor
Heather Ayer
•
Apr 14, 2025
Apr 14, 2025
The EPA banned R-22 refrigerant, but if you still have a system that runs on it, here’s the latest on R-22 refrigerant prices for the remaining reserve.
Kids sitting on a bench in front of a radiator watching out the window
Paige Bennett
•
May 16, 2025
May 16, 2025
Gas furnace replacement costs depend on the type of furnace you want and installation fees. Our guide explains all the factors involved in a new furnace cost.
Couple sitting on a sofa watching tv
Emma Diehl
•
Mar 25, 2025
Mar 25, 2025
Do you know when insulation is required on air ducts? Learn whether your ductwork needs to be insulated and why it’s important.
Portable dehumidifier sitting in the hallway of a house
Melissa Graham
•
Apr 3, 2025
Apr 3, 2025
If your home feels like a rainforest, it’s time to determine why your house is so humid and how to get rid of the excess moisture.
Woman cozy by the fireplace
Taylor Freitas
•
Mar 25, 2025
Mar 25, 2025
Why is my pilot light going out? There are a few potential reasons, including thermocouple issues and gas supply problems. Here’s what might be going on.
Need help finding the right pro?
Share your project details and we’ll match you with up to 3 available pros near you.
View all articles
Woman checking notes and using her phone to do some calculations
Deane Biermeier  •  Jun 24, 2025
Air Changes Per Hour Calculator: How to Calculate Air Changes Per Hour
Use this guide to learn how to calculate air changes per hour in your whole house or in various rooms to help maximize your HVAC system efficiency.
Two men taking measurements using a measuring tape
Stephanie Mickelson  •  Jun 16, 2025
How to Calculate CFM
Understanding how to calculate CFM in your home can help you determine how much airflow you need to regulate temperature and maximize HVAC efficiency.
A couple spending time together in their living room
Paige Bennett  •  Jun 13, 2025
How Much Does the Average Furnace Repair Cost? [2025 Data]
What you’ll pay for furnace repairs depends on many factors, including what parts are malfunctioning, where you live, and even the time of day. Here’s a breakdown of what can go wrong with your furnace and the cost to fix those issues.
New air conditioner units on a concrete slab
Taylor Freitas  •  Jun 12, 2025
How Much Does an HVAC Inspection Cost? [2025 Data]
Average costs of HVAC inspections vary based on house size, location, and type of HVAC system. Follow our easy guide to gauge your home’s HVAC inspection cost.
family spending time together at home
Paige Bennett  •  Jun 12, 2025
How Much Does Oil Tank Replacement Cost? [2025 Data]
Time for a new oil tank? If your HVAC system isn’t performing like it should, you need to know the factors that impact oil tank replacement cost.
Mother and son playing on the living room floor
Tyler Lacoma  •  Jun 12, 2025
How Much Does Air Duct Cleaning Cost? [2025 Data]
Curious about air duct cleaning costs? Get insights into pricing factors, benefits, and how to tell when it’s time for a good cleaning.
A young man relaxing on his sofa with the AC on
Mitchell Grant  •  Jun 12, 2025
Manual J Load Calculator: How Much HVAC Capacity Do I Need?
What is a Manual J load calculation? It’s used to find out how many heating units your house needs. Discover how to use this complicated formula.
worker installing duct system
Mitchell Grant  •  Jun 9, 2025
Ductwork Calculator: Duct Sizing Chart
Leave duct size calculations and installations to pros, but you can still use this duct sizing chart to understand the project better.
An HVAC system in the backyard of a brick house
Jenna Jonaitis  •  Jun 9, 2025
BTU to Square Footage Calculator: How Many BTUs Do I Need?
This calculator helps you estimate how many BTUs you need for your heating and cooling, based on the size of your space, climate, and insulation.
Jenna Jonaitis  •  Jun 6, 2025
How Much Does AC Capacitor Replacement Cost? [2025 Data]
AC capacitor costs can vary based on labor prices in your area and the specific type of capacitor you need. Explore all cost factors here.
Man adjusting room temperature on the thermostat
Paige Bennett  •  Jun 4, 2025
How Much Does Furnace Control Board Replacement Cost? [2025 Data]
If your furnace is malfunctioning, it could be a faulty control board. Find out what a furnace control board replacement costs for parts, labor, and more.
Mother and son sitting on the couch and reading a story
Paige Bennett  •  Jun 4, 2025
How Much Does Furnace Inspection Cost? [2025 Data]
Inspections are an essential part of furnace maintenance. Prevent inconvenient breakdowns by budgeting for furnace inspection costs and repairs.