Is your upstairs hotter than your downstairs? Do you keep asking yourself, “Why is it hotter upstairs than downstairs?” but you can’t find the answers you need? At On the Mark Heating & Air, we’ve found that in nearly every multi-level or split-level home we service, the upstairs is hotter than the downstairs. Our Schaumburg … [Read More]

Are you trying to hold on to the last bit of Summer or aren’t ready to fully accept winter is just around the corner? Us too! But sadly, we need to start prepping our Schaumburg HVAC systems for the cooler weather ahead. Not sure when to turn on your furnace or need a reminder (since … [Read More]

Ah filters, the small but mighty protector of your home’s air! Air filters have an important job even though it might not seem like it. We’ll help answer some of the basic questions about air filters and help you determine which filter is best for your system. Read on to learn more and be sure … [Read More]