How to Tell If Your AC Is Low on Refrigerant
Low refrigerant is one of the most common reasons an AC stops cooling effectively. Signs include warm air from vents, ice on the unit or lines, a hissing or bubbling sound, and higher-than-normal energy bills. This is always a professional repair, never a DIY fix.
What's the Best Thermostat Setting for Summer?
Energy Star recommends 78°F when home, 85°F when away, and 82°F at night. Every degree higher saves 1–3% on cooling costs. A smart thermostat automates all of it and pays for itself within a year for most Indiana homeowners.
How to Lower Your Energy Bill With HVAC This Summer
You can cut summer cooling costs 20–30% with the right thermostat habits, regular maintenance, and a few smart home adjustments, no major renovation required. Here's what actually moves the needle for Indianapolis homeowners.
Why Is My House Still Hot With the AC On?
An AC that runs but doesn't cool usually has one of seven causes: a dirty filter, refrigerant leak, frozen coil, undersized system, ductwork problem, thermostat issue, or an aging unit. Some you can fix yourself in minutes. Others need a professional.
How Long Does an AC Unit Last? Signs It's Time for a Replacement
A well-maintained central air conditioner lasts 15–20 years. If yours is over 10 years old and showing trouble signs, replacement often saves more money than another repair. Watch for rising energy bills, frequent breakdowns, uneven cooling, and outdated refrigerant.
What Happens If You Don't Change Your Air Filter?
Here is exactly what happens when you let your air filter go too long without changing it.
Why Every Homeowner Should Register Their New HVAC Equipment
This is one of the most common and costly mistakes Indianapolis homeowners make after a new installation. It takes about five minutes to fix and could save you thousands of dollars down the road.
Tips for Indiana Homeowners: How to Keep Your AC Running All Summer
Here are the most effective things Indianapolis homeowners can do to keep their AC running strong this summer.
What to Do Before You Call an HVAC Technician
Some of the most common service calls we receive at CSO Mechanical turn out to be simple fixes a homeowner could handle themselves. Running through this checklist first can save you time and money and if you do still need a technician, it helps us diagnose the problem faster when we arrive.
How Much Does HVAC Installation Cost in Indianapolis?
This guide walks through what you can realistically expect to pay in the Indianapolis market, what drives the price up or down, and how to make sure you get a fair deal.
How to Know When Your AC Needs Repair in Indianapolis
Catching an AC problem early costs far less than an emergency call in July. Here are the key signs your system needs attention before summer arrives.
Spring AC Tune-Up Checklist for Indianapolis Homeowners
A properly serviced system runs more efficiently, lasts longer, and is far less likely to break down on the hottest day of July. This checklist covers what a professional spring tune-up includes, plus a few simple tasks you can handle yourself before the technician arrives.