Furnace Articles

Why Won’t My Furnace Stop Running?

February 15, 2026

Is your furnace blowing air without pause? If so, you’re probably feeling a bit concerned—and your house most likely feels like an oven. On top of that, your utility bill will be considerably higher with your furnace constantly running. Believe it or not, this is a fairly common problem our professionals at see frequently,…

What Does AFUE Mean?

January 23, 2026

In general, the type of fuel your furnace uses is more important in determining the optimal furnace for your home than the AFUE is.

What’s That Smell Coming From My Furnace?

December 19, 2025

If your furnace is producing a strange smell, you should always treat it with caution.

Furnace Maintenance and Winter Energy Saving Tips

December 12, 2025

But the last thing you want to deal with during the first cold snap of the season is a furnace that won’t turn on. At Design Flow Heating & Cooling LLC, we want to help you stay warm, safe, and stress-free all winter long.

How Does My Gas Furnace Work?

November 21, 2025

Our team at Design Flow Heating & Cooling can help you save big bucks on your monthly utility bill by replacing your aging furnace.

How Can I Lower My Heating Bill This Winter?

November 14, 2025

Are you anticipating a higher heating bill this winter? Here in Eldersburg, temperatures can get pretty low. Energy cost are also on the rise with local provider rate increases. The only way to ensure you remain perfectly comfortable inside your home is by cranking up the heat.

How Do I Know When It’s Time to Buy a New Furnace?

October 17, 2025

Our team of professionals will guide you and provide you with everything you need to know about your heating and cooling systems.

Schedule Your Annual Furnace Inspection Now

September 12, 2025

What’s at the top of your fall to-do list in Eldersburg? Make sure it is your furnace.

Why Isn’t My Furnace Heating My Entire Home?

March 18, 2025

If your furnace seems to be producing heat inconsistently around your Eldersburg home to you, you’re not alone. Many homes have varied conditions from room to room, causing spotty heating or cooling.

How Do I Know I Have a Cracked Heat Exchanger?

February 21, 2025

Your helpful neighbor suggested the issue you are having with your gas furnace sounds like it could be due to a cracked heat exchanger. What is a heat exchanger? How can you tell if this is the issue? What should you do about it? 

Is My Furnace Overheating?

February 14, 2025

Just about any electrical appliance has the potential to overheat, and furnaces are no exception. As a homeowner, you need to take precautions to lower the risk of an overheated unit. You should also be wary of the associated symptoms so you know when to take action.

How Can I Make My Furnace Last Longer?

December 20, 2024

The average furnace lasts between 10 and 15 years. But did you know you can take steps to make it last longer? There is no shortcut or hack to increase your furnace’s longevity.

How Do I Know When I Need a New Furnace?

December 13, 2024

Our experts are happy to answer your questions on replacing your furnace. We want to help you make the best decision for your comfort and needs.