Heating Furnace Not Blowing Hot Air in the Quad Cities? Repair Costs, Common Fixes, and When to Call Doug’s
Your furnace is running, the thermostat says heat, and the air coming out of the vents is cold. Most of …
Heating 
Heating The Importance of Boiler Maintenance Before the Cold Hits
Winter in the Quad Cities can arrive fast—and when it does, you need a boiler that starts reliably, runs safely, …
Heating Ensure Your Home Stays Warm and Efficient with Doug’s Heating & Air Conditioning
Is your furnace seemingly active yet failing to keep your home comfortably warm? The culprit behind this common issue may …
Furnaces Top Tips For Your Home Heating
As temperatures drop, the importance of a well-maintained heating system becomes increasingly clear. At Doug’s Heating and Air, we understand …
Heating Unlocking HVAC Efficiency with Doug’s Heating & Air
The furnace efficiency benchmarks set 2015 required an Annual Fuel Utilization Efficiency (AFUE) rating of 80%. This rating gauges the furnace's ability to convert natural gas into warmth. An 80% AFUE means 20% of the fuel is wasted during heat generation.
Heat Pump Signs it’s time to replace your furnace
Depending on where you live, your furnace may be the most vital household appliance during the winter months. It provides …
