by O'Connor Heating & Cooling | Oct 1, 2026 | Blog
You generally should not cover your air conditioner in the winter with a full plastic tarp or airtight wrap. Modern outdoor AC units are engineered to endure sub-zero temperatures, snow, and ice. Tightly wrapping your unit traps internal moisture, which accelerates...
by O'Connor Heating & Cooling | Sep 21, 2026 | Blog
Switching between your air conditioner and heater on the same day will not damage your HVAC system as long as you wait at least five minutes between cycles. Modern thermostats and compressors need this brief window to allow internal refrigerant pressures to equalize...
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...
Recent Comments