Heating & Cooling Maintenance

Our heating & cooling maintenance tips can help you keep your home cost efficient, safe & cozy.

S21 E19, Ross Trethewey discusses attic insulation with a homeowner
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Fixing Ice Dams on a Roof

Home technology expert Ross Trethewey helps a homeowner solve an ice dam issue with smart insulation practices that also improve the home’s efficiency.
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Winter Home Maintenance Tasks to Ensure a Safe Winter

Keep your home in tip top shape with this helpful article on the top winter maintenance tasks you can accomplish this season.
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Best Furnace Filters (2024 Guide)

In this round-up and comprehensive buying guide, we take a look at some of the best furnace filters on the market.
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How Much Does a Furnace Cost?

If you need to repair or replace your furnace and are wondering about general furnace costs, keep reading for a detailed look at furnace types, pricing factors to consider, and common repair costs.
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All About Furnace Replacement: Cost and When to Do It

Replacing a furnace is a big task with a big price tag. However, having a home warranty can go a long way toward minimizing furnace replacement costs.
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How Often You Should Change Your Air Filter

In this guide, we detail how often you should change your air filter, why it's important, and step-by-step instructions on how to do it.
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Why Is My Air Conditioner Not Cooling?

Is your air conditioner not cooling? From refrigerant leaks to a malfunctioning compressor, these are five reasons why your air conditioner isn’t cooling and ways you can troubleshoot and prevent the issue.
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Too Much Dust

Why is the house so dusty even when the air filters are clean?
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How to Quiet Noisy Ducts

Is there a way to stop the banging from your metal ductwork? Richard Trethewey diagnoses the problem and points to some solutions
As a part of a home heating system, Richard Trethewey install radiant tubing in a house.

Home Heating Guide For Beginners

Heating is the most basic requirement of a house. Learn about the various types of home heating systems and how to maintain them.
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How To Seal Leaky Ductwork

This Old House expert Richard Trethewey shows how to improve your home's air quality and efficiency by sealing your ducts.
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How To Fix a Noisy Baseboard Heater

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner diagnose and solve a baseboard hot water system that makes noise.
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10 Handy Air Conditioning Tips to Keep Your Home Cool

Beat the heat by having the cleanest, coolest, and most efficient air conditioner on the block with our top 10 tips.
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How To Install a Whole-House Dehumidifier

Too much humidity in your home can cause discomfort. Learn how to install a whole-house dehumidifier in our comprehensive guide.
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How to Repair a Frozen Air Conditioner

This Old House plumbing and heating expert Richard Trethewey shows how to prevent ice buildup from shutting down an air-conditioning system.
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How to Clean a Window Air Conditioner

Stay cool and save money with five simple tasks—most done just once a year—that ensure your unit keeps working efficiently.
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A Step By Step Guide to Fixing Leaks in Air Ducts in Your Home

Leaky air ducts waste energy, costing you money. Learn how to identify and fix an air duct leak in our comprehensive guide.
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17 Fireplace Upgrades

We rounded up 17 ideas to help you update and modernize your fireplace whether you have a tile fireplace or a brick fireplace.

9 Air Conditioner Maintenance and Care Tips

Regularly servicing your air conditioner helps keep costs down and your AC in excellent condition. Read on for more tips on keeping up with your AC’s maintenance.
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What to Know Before Calling a HVAC Pro

In this guide, we'll walk you through everything you need to know to ensure you have a smooth experience with your HVAC professional.