Skip to content
American TraditionalMechanical · Lexington, KY24/7 line(859) 377-8167

Comfort Blog

Comfort Blog: heating and cooling advice for Lexington homes

Practical answers to the questions we hear on service calls, written for Kentucky weather and the houses that sit in it.

Edited by Alton Gilley, Comfort Blog Editor

Homeowner reading an outdoor unit nameplate

Articles from real service calls

Every article is written and kept up by Alton Gilley, our Comfort Blog Editor, from the questions homeowners ask our technicians on real calls.

Ductless cooling head above a cast iron radiator in an older home

Central air for older Lexington homes without ducts

Plaster walls, radiators and tight attics make conventional ductwork hard to fit in Lexington houses from the 1910s to the 1940s. These are the cooling options that actually work in them.

Older outdoor air conditioner beside a brick ranch house in Kentucky

Owning an R-22 AC or heat pump in Kentucky

R-22 systems can still run for years, but every repair now carries a refrigerant question. Here is how to tell what you have, what a leak means, and how to plan the switch on your terms.

Frost covering the copper refrigerant line at an outdoor air conditioner

Ice on AC lines: causes and what to do first

A frosted copper line looks alarming, but it is a symptom rather than the problem. Here is what usually causes it, how to thaw the system safely, and what to leave alone.

Homeowner sliding a clean pleated filter into a basement furnace

How often to change a furnace filter, and which MERV

The filter is the cheapest part of your heating and cooling system, and the one most often ignored. Getting the size, thickness and change schedule right protects the equipment and the air you breathe.

Hallway thermostat in a Kentucky home on a snowy winter evening

AUX heat and EM heat explained for cold snaps

Those two small labels on a heat pump thermostat cause more winter confusion than almost anything else. One is automatic and expected. The other is a manual setting you should rarely need.

Steam rising from an outdoor heat pump during a winter defrost cycle

Why your heat pump blows air that feels cool

Lukewarm air from a heat pump is usually normal, and steam rising off the outdoor unit usually is too. Here is how to tell normal operation from a problem worth a service call.

Heat pump outdoor unit releasing steam during defrost on a frosty morning

Heat pump noises: what is normal and what is not

A heat pump keeps more moving parts outdoors than a furnace, and some of its loudest sounds are perfectly healthy. This guide sorts the routine noises from the ones that need a shutoff and a call.

Outdoor heat pump beside a brick ranch home on a frosty morning

Heat pump or gas furnace for a Lexington home

Both systems heat central Kentucky homes well. The better pick depends on your gas line, your ductwork, how your house handles a January cold snap and how hot you like the air at the registers.

Technician measuring a window during a load calculation in a Lexington home

What size AC or heat pump your Lexington home needs

Most sizing mistakes start with a quick square-footage guess. Here is what a real load calculation looks at, why bigger equipment often feels worse, and how ducts and floor plans change the answer.

Have a question we have not covered yet?

Call (859) 377-8167 and ask. If a question keeps coming up on our calls, it becomes the next article here.

Call (859) 377-8167

Homeowner reading a furnace manual at a kitchen table
Call (859) 377-8167 · 24/7