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.
ac unit outside of home
Lauren Bongard
•
May 19, 2025
May 19, 2025
When a TXV valve goes bad in your AC, you’ll notice it’s not cooling your home. Read on to learn more about TXV valve replacement costs and when to replace it.
A duct system in a crawl space
Deane Biermeier
•
Mar 14, 2025
Mar 14, 2025
The cost to replace ductwork in a crawl space depends on accessibility, size, and whether or not your crawl space requires additional work.
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.
Happy family playing on the floor
Chris Middleton
•
Apr 2, 2025
Apr 2, 2025
A HEPA filter can help clear airborne particles that plague your home, such as dust and pollen, making the air cleaner and easier to breathe.
An HVAC system in the backyard of a brick house
Jenna Jonaitis
•
Jun 9, 2025
Jun 9, 2025
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.
Portable dehumidifier sitting in the hallway of a house
Alison Kasch
•
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.
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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.