Furnace Repair in Valparaiso, Indiana
24/7 furnace repair for every brand from a company based in Valparaiso, with a clear price before work starts.
Furnace Repair in Valparaiso From a Company Based Here
Apex Heating and Cooling is based in Valparaiso, which means a furnace repair call here is usually our fastest response of the day. When the heat goes out in January, that matters more than anything else on this page. Emergency calls are answered around the clock, and you reach Apex directly, not an answering service.
We repair every make and model, whether or not we installed it. The brands we see most often in Valparaiso homes are Armstrong, Lennox, Carrier, Trane, and Goodman, and we keep common parts for them on the truck, so most repairs are finished on the first visit. Every call starts with a full diagnosis and a price before any work begins.
If the repair in front of you is the first of several on an aging furnace, we tell you plainly and give you the numbers for both repair and replacement. Our Valparaiso furnace installation service starts with a load calculation and a duct check, not a sales pitch.
Licensed, Bonded & Insured
Parts on Hand for Fast Repairs
Emergency Service
Competitive Pricing
Common Furnace Problems We Fix
Make sure you are prepared for the cold Northwest Indiana Winters!
Furnace Won’t Turn On
If your furnace isn’t starting or blows only cold air, it could be a problem with the ignition system, thermostat, or electrical connection. Apex Heating & Cooling provides fast furnace repair in Valparaiso, IN, with same-day service available to restore your heat quickly and safely.

Weak or Uneven Airflow
Uneven heating is one of the most common comfort issues for Valparaiso homeowners. This can stem from clogged filters, ductwork problems, or a failing blower motor. Our technician will identify the cause and make sure your system is heating your entire home efficiently.

Strange Noises or Smells
Rattling, banging, or burning smells are never normal. These warning signs could mean a loose part, gas leak, or overheating motor. If you notice strange noises or odors coming from your furnace, call Apex Heating & Cooling in Valparaiso right away to prevent further damage and ensure your family’s safety.
What a Valparaiso Furnace Repair Call Looks Like
We diagnose before we replace anything. A furnace that keeps tripping its limit switch usually has an airflow problem, and swapping the switch alone moves the failure to next week. On any furnace past its mid-teens we also inspect the heat exchanger, because a cracked exchanger is a carbon monoxide risk and not something to patch around.
Apex specializes in forced-air gas furnaces, which is what most Valparaiso homes have, and also services heat pumps and ductless systems. Service covers Valparaiso and all of Porter County, with calls into parts of Lake and LaPorte Counties.
Every repair call includes a full diagnosis, a clear price before work starts, common parts on the truck for the brands we see most, and an honest answer on whether the furnace is worth fixing.

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What are some signs my furnace may be in need of repair?
Deciding when to replace your furnace in your Valparaiso, Indiana home involves considering several factors. Here are some key indicators that it might be time to replace your furnace:
Age of the Furnace: The average lifespan of a furnace is typically around 15-20 years. If your furnace is reaching or surpassing this age, and you are experiencing frequent breakdowns or reduced efficiency, it may be more cost-effective to invest in a new, energy-efficient model.
Frequent Repairs: If you find yourself repeatedly calling for furnace repairs and the costs are adding up, it may be a signal that your furnace is becoming less reliable and more prone to issues. Investing in a new system could save you money in the long run.
Increased Energy Bills: As furnaces age, they often become less efficient, leading to higher energy bills. If you notice a significant and unexplained increase in your heating costs, it could be a sign that your furnace is no longer operating at peak efficiency.
Inconsistent Heating: If some rooms in your home are consistently too hot or too cold, or if your furnace struggles to maintain a consistent temperature, it may indicate that your system is no longer capable of distributing heat evenly.
Strange Noises: Unusual noises, such as banging, rattling, or popping sounds, may indicate mechanical problems within the furnace. If these issues persist despite repairs, it might be time for a replacement.
Yellow Pilot Light: A pilot light that is consistently yellow instead of blue can be a sign of incomplete combustion, potentially producing carbon monoxide. This is a serious safety concern, and if you observe a yellow pilot light, you should turn off the furnace immediately and seek professional assistance.
Visible Signs of Rust or Cracks: If you notice visible signs of corrosion, rust, or cracks in your furnace, it could indicate structural issues. A compromised furnace can pose safety risks, and replacement may be necessary.
Changes in Home Comfort Needs: If you've made significant changes to your home, such as additions or renovations, and your current furnace is no longer able to meet the heating demands, it may be time to upgrade to a more powerful or efficient system.
Safety Concerns: If your furnace poses a safety risk due to issues such as gas leaks, carbon monoxide leaks, or repeated malfunctions, it's crucial to prioritize the safety of your household and consider replacing the unit.
When contemplating furnace replacement, it's advisable to consult with a licensed HVAC professional. They can assess the condition of your current system, discuss your heating needs, and provide recommendations for the most suitable replacement options. Investing in a new, energy-efficient furnace not only improves comfort but can also result in long-term energy savings.
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How often should I change my furnace filter?
You should replace the air filter in your furnace on a regular basis. Dirty air filters reduce the amount of air flowing through a system and make the furnace work harder to maintain the temperature. How often you change the filter depends on the type of filter you use, if you have pets and the size of your equipment.
Please give us a call and we can give you proper guidance.
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What temperature should I set my thermostat?
Normal cooling settings are 75 degrees - 80 degrees. Normal heating settings are 68 degrees - 72 degrees. You should always set your thermostat to the highest possible setting that is comfortable for you in the summer, and the lowest comfortable setting in the winter. Setting your thermostat in this way will maximize your energy savings. On average, every 1 degree of temperature change is equal to about 1% energy savings. For example, changing your thermostat setting from 75 degrees to 76 degrees in the summer could result in savings on your cooling costs.
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Are there tests that can be done to find air leaks that are causing my home to leak hot or cold air?
Yes, we have invested in equipment that allows us to determine a home's airtightness so we can search for leaks. Finding and addressing such leaks will help you save on your energy bills since you will be able to better control the air circulating in your home.
Check out this site to learn more: https://www.energy.gov/energysaver/detecting-air-leaks

How fast can you get to a furnace repair in Valparaiso?
Valparaiso is our home base, so local emergency calls are typically our fastest response. Same-day service is available for no-heat situations, and the emergency line is answered around the clock.
Do you repair furnaces you did not install?
Yes. We repair every make and model regardless of who installed it. The brands we see most in Valparaiso are Armstrong, Lennox, Carrier, Trane, and Goodman, and we carry common parts for all five.
Apex also provides furnace installation in Valparaiso , AC repair in Valparaiso , and AC installation in Valparaiso . See our Valparaiso heating and cooling page for everything we do locally. We also repair furnaces in Portage , Chesterton , Hobart , and Merrillville .
What Our Customers Say About Us
"Very nice, knowledgeable, and responsive. helped us with our furnace issue and even pointed out a concern with our water heater that could've lead into a bigger problem. fair pricing. will absolutely recommend to friends and family. Thank you Ed!"
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