Help Center
Start with a quick First Response
Answer a few simple questions about what your system is doing. Some fix the problem on the spot, and your answers help our technician arrive prepared.
Homeowner First Response
Something's wrong? Pick the closest match and answer a few questions.
AC running but not cooling
Air isn't cold, the house keeps warming up, or there's ice on the lines.
Start First Response →Furnace blowing cold air or not heating
Cold air from the vents, or no heat at all.
Start First Response →System won't turn on
Nothing happens when you change the thermostat.
Start First Response →Water leaking near the indoor unit
Water on the floor or in the pan under your furnace or air handler.
Start First Response →Strange noises or smells
Squealing, buzzing, banging or an odd smell.
Start First Response →Heat pump iced over in winter
Light frost is normal. A solid block of ice is not.
Start First Response →Hot and cold rooms
One room is always too hot or too cold.
Start First Response →High energy bills or a system that never shuts off
Bills jumped, or the system runs constantly.
Start First Response →Thermostat blank or not responding
Blank screen, or the system ignores your settings.
Start First Response →Carbon monoxide alarm going off
Get everyone outside first. Here's what to do next.
Start First Response →Homeowner guides
Understand your system and make good decisions.
Air filters: how often and why
How often to change your filter, and what MERV ratings mean.
Read the guide →Thermostat settings that save money
Setbacks, fan settings, and what's different with a heat pump.
Read the guide →Seasonal homeowner checklist
Simple things to do each spring, fall and month.
Read the guide →Repair or replace?
How to decide when an older system needs a big repair.
Read the guide →Refrigerants explained
R-22, R-410A and the newer R-454B and R-32, in plain English.
Read the guide →Humidity and indoor air quality
Clammy summers, dry winters, and cleaner air at home.
Read the guide →Heat pump or furnace in Kentucky?
How each one heats, and when a dual-fuel system makes sense.
Read the guide →When a ductless mini-split makes sense
Heating and cooling for rooms your ductwork can't reach.
Read the guide →What to expect on a service call
How to get ready, and how the visit works.
Read the guide →No guides match that. Try another word, or send us a request.
Didn't find your problem?
Tell us what your system is doing and we'll take it from there.