How to Clean HVAC Ducts: Keeping Your Home’s Air Safe

You notice it first as a faint, musty smell when the furnace kicks on. Then you see the fine black dust settling on the white windowsill, again, just days after you’ve wiped it clean.  Cleaning them isn’t just about dust bunnies; it’s about the air your family breathes and the money you spend on energy.  … Read more

How to Buy a New HVAC System for Maximum Home Comfort

Your old furnace makes a sound like a coffee grinder full of rocks. The air conditioner blows warm air on the hottest day of July. You know it’s time, but the thought of buying a new HVAC system feels overwhelming.  The process isn’t as mysterious as it seems. It’s about asking the right questions and … Read more

How to Clean HVAC Coils for a Healthier Home and Lower Bills

That faint hum from your AC unit, it’s working harder than it should. It’s fighting a battle against an invisible enemy clinging to its heart: dirty coils. You can clean them yourself. It’s not a mystery reserved for technicians.  With the right approach, you can restore your system’s efficiency, slash your energy bills, and breathe … Read more

How Often To Change HVAC Filter For Saving Energy Bills

Change your HVAC filter every 90 days. That’s the standard advice, the recommendation your technician mentioned and you probably forgot five minutes later. When a filter gets clogged, your system has to push harder. Your energy bills climb. The air starts feeling thick and stale. None of this is about chasing perfection. It’s about keeping … Read more

How Often to Change Furnace Filter: A Simple Homeowner Guide

You should change a standard 1-inch to 3-inch pleated furnace filter every three months. However, if you use a thinner fiberglass filter, you need to replace it every 30 days. Thicker filters that are 4 inches or wider can often last between six and twelve months. At Centerline Mechanical, we see many heating issues in … Read more

How Often Should HVAC Be Serviced? The Homeowners’ Guide

Short answer: plan on having your HVAC system looked at twice a year. That cadence isn’t marketing fluff, it’s what actually keeps most systems running without surprises. Spring is for cooling prep. Fall is for heating prep. Simple. We’ve seen plenty of systems limp through a season because they skipped one of those visits. It … Read more

How Much to Replace HVAC Systems? What Homeowners Should Pay

Deciding on an HVAC system replacement typically runs between $10,000 and $20,000 for a 2,000-2,500 square foot home, depending on the equipment you choose and how complex the install is. This price range includes the new equipment and the labor needed to set everything up correctly in your house. Most homeowners spend about $13,000 for … Read more

How Long Does a Furnace Last? What Homeowners Should Expect

That 15 to 20 year lifespan you’ve heard about? It’s based on ideal conditions that almost no home actually has. It assumes you never miss a filter change, your installer did everything right, and your winters are perfectly mild. None of that describes real life. What actually determines how long your furnace lasts comes down … Read more

How Long Do HVAC Systems Last: Timelines & Maintenance

You want to know how long your HVAC system will last because nobody likes surprise expenses. The short answer is 10 to 25 years. But that range is so wide it’s almost useless without context. This guide breaks down what actually controls your system’s lifespan and what you can do about it. By the end, … Read more