by O'Connor Heating & Cooling | Jun 25, 2026 | Blog
A hot upstairs is typically caused by the natural physics of heat rising, poorly balanced ductwork, inadequate attic insulation, or an aging air conditioner struggling against the intense Siouxland summer heat. You can fix this two-story temperature trap by adjusting...
by O'Connor Heating & Cooling | May 20, 2026 | Blog
Humidity trap occurs in May when Siouxland temperatures are warm enough to hold moisture but too cool to trigger long air conditioning cycles, leaving indoor air damp and allergen-rich. To combat this, 2026 homeowners are shifting to predictive IAQ...
by O'Connor Heating & Cooling | Apr 9, 2026 | Blog
The 2026 HVAC refrigerant transition is a mandatory federal shift away from R-410A (Puron) to newer, low-GWP “A2L” refrigerants like R-454B. While you can still repair and service your existing R-410A system, all new air conditioners and heat pumps...
by OHCOptimizer | Mar 11, 2026 | Blog
A spring HVAC tune-up is a professional maintenance service that prepares your cooling system for the upcoming humidity while ensuring your furnace finishes the winter safely. By scheduling in March, Siouxland homeowners can identify “winter wear” on...
by OHCOptimizer | Feb 10, 2026 | Blog
Radon levels in Siouxland homes are typically highest during the winter months because the “stack effect” creates a vacuum that pulls soil gas upward through foundation cracks. Since windows remain closed to keep out the Iowa cold, this colorless, odorless...
by O'Connor Heating & Cooling | Jan 20, 2026 | Blog
A hybrid (dual-fuel) heating system combines an electric heat pump with a high-efficiency gas furnace to provide the ultimate balance of comfort and savings. In a Siouxland winter, the heat pump handles the heating during mild days, while the gas furnace kicks in as a...
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