HVAC Questions, Answered
Straightforward answers to the heating and cooling questions Indianapolis homeowners ask most often. No jargon, no upsells — just honest information.
Cooling & Air Conditioning
How much does AC replacement cost?
What drives the price of a new central air conditioner in Indianapolis, typical cost ranges, and what is included in a professional installation.
How long does an AC unit last?
Average lifespan of central air conditioners, the factors that shorten or extend it, and signs that replacement is the better choice.
Should I repair or replace my air conditioner?
How to weigh repair cost against replacement value, the 5,000-rule, and when a new system makes more financial sense.
Why is my AC not cooling my house?
The most common reasons an air conditioner runs but fails to cool the home, from a dirty filter to a refrigerant leak.
Heating & Furnaces
Why is my furnace blowing cold air?
Seven common causes — from a thermostat fan setting you can fix yourself to a cracked heat exchanger that requires immediate service.
How much does furnace replacement cost?
What drives the price of a new furnace in Indianapolis, typical installed cost ranges by efficiency tier, and what a complete installation should include.
How long does a furnace last?
Typical furnace lifespan by fuel type and brand tier, maintenance habits that extend it, and signs the end is near.
Should I repair or replace my furnace?
A practical framework for deciding whether a repair makes sense or whether it is time to invest in a new heating system.
Why is my furnace not turning on?
Work through the most common causes in order — from a thermostat setting you can fix yourself to a failed ignitor or gas valve that needs a technician.
Heat Pumps
What is a heat pump and how does it work?
How heat pumps move heat instead of generating it, the difference between air-source and ground-source systems, and dual-fuel configurations.
Are heat pumps worth it in cold climates?
How modern cold-climate heat pumps perform in Indianapolis winters, when a dual-fuel system makes sense, and how to evaluate the investment.
How much does a heat pump cost to install?
Cost ranges for ducted, ductless, and dual-fuel heat pump systems, what drives the price, and how federal tax credits and utility rebates reduce the net cost.
Indoor Air Quality
What are the signs of poor indoor air quality?
How to recognize when your home's air quality is affecting your health and comfort, and what the HVAC system has to do with it.
Do air purifiers really make a difference?
What whole-home air purifiers can and cannot do, how different technologies compare, and what to look for when choosing one.
Ductless Systems & Ductwork
Is a ductless mini-split right for my home?
When mini-splits make sense vs. central HVAC, how single-zone and multi-zone systems work, and what installation costs to expect.
Can leaky ducts increase my energy bills?
How duct leakage wastes conditioned air, how much it can add to your monthly bills, and what duct sealing involves.
Maintenance & Service
How often should my HVAC system be serviced?
The twice-yearly service standard explained, what each tune-up includes, what gets missed when you skip it, and whether a maintenance club is worth it.
How often should I change my air filter?
Filter change intervals by type, what happens when you wait too long, why higher MERV is not always better, and how to choose the right filter for your home.
Thermostats & Controls
Is a smart thermostat worth it?
What smart thermostats actually do, how much they save on energy bills, which features matter, and whether the upgrade makes sense for your home.
Why does my thermostat keep changing temperature on its own?
The most common causes of a thermostat that changes settings without input — from a programmed schedule to wiring issues and equipment faults.
Emergency & Troubleshooting
What should I do if my HVAC stops working in extreme weather?
Immediate steps to take when heating or cooling fails during a heat wave or cold snap, how to stay safe, and how to get service faster.
Why is my HVAC making a strange noise?
What banging, squealing, clicking, rattling, and humming sounds mean, which ones are urgent, and what a technician will do to fix each one.
Still Have Questions?
Our NATE-certified technicians are available 24/7 for emergencies and same-day service throughout Indianapolis.
