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 18, 2026 | Air Filtration and Purification
MERV stands for Minimum Efficiency Reporting Value — it measures how well a furnace filter captures airborne particles between 0.3 and 10 microns, rated on a scale of 1 to 16. Higher MERV doesn’t always mean better for your system — a filter rated too high for... 
by snix@502hvacpros.com | Sep 18, 2026 | Ductwork Design
Leaky ductwork is the most common cause of uneven heating — gaps and cracks in ducts can dump conditioned air into attics, crawlspaces and wall cavities before it ever reaches the room. Closed vents don’t redirect heat — they increase static pressure and force... 
by snix@502hvacpros.com | Sep 18, 2026 | Heating Technologies
Steam and hot water radiator systems installed a century ago can still heat a home efficiently — if the boiler, pipes, vents, and traps are properly maintained. Most radiator problems — banging pipes, cold radiators, leaking valves — have specific, fixable causes that... 
by snix@502hvacpros.com | Sep 18, 2026 | Heating Technologies
Boilers use water to carry heat through your home; furnaces use air — that single difference drives everything else: comfort feel, ductwork requirements, and air conditioning compatibility. Louisville’s Ohio River valley climate puts real pressure on both... 
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....
