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 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...
by O'Connor Heating & Cooling | Dec 2, 2025 | Blog
Deciding whether to repair or replace your furnace often comes down to a simple calculation. A common guideline is the “5,000 Rule”: multiply the estimated repair cost by the furnace’s age in years. If that number is more than $5,000, replacement is...
by O'Connor Heating & Cooling | Nov 2, 2025 | Blog
Preparing your home for holiday guests goes beyond cleaning and cooking. To keep everyone comfortable without a surprise energy bill, your HVAC system needs to be ready. Ensure a warm welcome by changing your air filter for better airflow, programming your thermostat...
by O'Connor Heating & Cooling | Oct 2, 2025 | Blog
When you first turn on your furnace for the season, some sounds like soft clicking and the whoosh of air are completely normal. However, loud bangs, persistent screeching, or grinding noises are warning signs of potential problems. These sounds often indicate issues...
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