Treating carbon steel components to improve their surface properties such as hardness via the carburising process is a well established technology. And yet even today, aft er many years of development ...

One of the most often overlooked maintenance items for both the heating and cooling season is the air filter on a furnace/air conditioner. The air filter can be out of sight and out of mind and can ...

Is your furnace blowing cold air? Here are some troubleshooting tips and simple DIY repairs for the most common causes for ...

Most noncondensing residential furnaces use natural draft to drive the combustion process. Even 80%-AFUE furnaces with combustion blowers are natural-draft furnaces. The combustion blower in an 80% ...

Check thermostat settings, filters, and fuel supply first when your furnace blows cold air. Call an HVAC technician for issues like sensor failures, clogged burners, or duct leaks. Skipping routine ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

TORONTO – If you’re like most people, you probably don’t give your furnace much thought as long as it’s keeping you warm in the winter and cool in the summer. But in order to keep it working to its ...

Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...