Does it ever feel like your upstairs is in a completely different climate than your downstairs in the summer? It’s a frustrating issue, especially if your bedroom is up there, yet many people still don’t know how to fix it. So instead of endlessly asking, ‘Why is my upstairs so hot?’ Let’s dive into the … [Read More]

If you have a two-story home in Illinois, in the summer, when your living room feels fine, your upstairs bedrooms are stifling. No matter how many times you adjust the thermostat, you can’t win. Sound familiar? You’re not alone. In the Schaumburg area, most homes run off a single thermostat which works fairly well in … [Read More]

Unless you have a background in HVAC systems, understanding heating and cooling can be difficult. After all, it’s a complex system that can take years of training to completely understand! When you work with us at On the Mark Heating & Air, we do more than just fix your HVAC system. We take the time … [Read More]

When homeowners start thinking about replacing their HVAC system, the conversation often centers around the leading brands in the industry and which logo to trust the most. A good HVAC brand is important in terms of quality, but it’s rarely the reason a home feels comfortable or uncomfortable. In a recent Home Answers Radio conversation … [Read More]

When our own Mark Portuese from On the Mark Heating & Air sat down with Home Answers Radio, the conversation immediately shifted from sales talk into the no-nonsense, practical advice that homeowners need. Host Roger Piper kicked off the interview with the simple question about what people should ask before hiring an HVAC company. Mark … [Read More]

AC Not Cooling? Here’s Why, and What You Can Do About It It’s a hot summer day in Palatine, IL, and your air conditioner is running, but the house still feels like a sauna. If your AC isn’t cooling, you’re not alone. This is one of the most common problems homeowners face during peak heat, … [Read More]