by snix@502hvacpros.com | Oct 7, 2026 | HVAC Maintenance
An HVAC warranty can make a new system feel less risky, but the words “10-year warranty” rarely mean that every repair is free for ten years. Most warranties separate the equipment manufacturer’s parts coverage from the contractor’s labor coverage, and both can have... 
by snix@502hvacpros.com | Sep 18, 2026 | HVAC Maintenance
One of the most common reasons a furnace blows cold air is a thermostat fan setting left on “ON” instead of “AUTO” — a two-second fix that many homeowners overlook. A clogged air filter can make the furnace’s high-limit switch trip,... 
by snix@502hvacpros.com | Sep 18, 2026 | HVAC Maintenance
Most gas appliance hazards — leaks, carbon monoxide, and venting failures — give warning signs first, and most are prevented by basic maintenance and an annual inspection. If you smell gas, leave first and call from outside: 911 and LG&E at 502-589-1444 (outside... 
by snix@502hvacpros.com | Sep 4, 2026 | HVAC Maintenance
A professional furnace inspection covers safety, performance, and mechanical checks that most homeowners cannot safely perform on their own. Cracked heat exchangers are the most dangerous furnace defect — and they are invisible without the right tools and training.... 
by snix@502hvacpros.com | Sep 3, 2026 | HVAC Maintenance
Carbon monoxide (CO) is colourless and odourless — your furnace can leak it silently while your family sleeps, which is why early warning signs matter. If you suspect a CO leak, leave the building immediately — do not stop to investigate, grab belongings, or... 
by snix@502hvacpros.com | Sep 3, 2026 | HVAC Maintenance
Short-cycling means your furnace turns on and off every 2–5 minutes instead of completing a full 10–15 minute heating cycle — and it’s always a sign something is wrong. A dirty air filter is the most common cause and the first thing you should check before...
