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Furnace Installation

HVAC Services

Furnace Installation & Replacement

When winter arrives in Frankfort, reliable heat is essential. At Climate Control Systems, we’ve provided trusted furnace installation and heating solutions for over 50 years. Homeowners and business owners count on us for professional service, straightforward communication, and results that last. Our team combines local experience with certified expertise to make sure every system performs safely and efficiently, season after season.

Our furnace installation service includes gas, electric and propane systems, plus high-efficiency upgrades that help lower energy bills and improve indoor comfort. From standard setups to same day furnace installation, we handle every detail with precision. Climate Control Systems makes heating and cooling installation simple, safe, and dependable. You’ll get honest recommendations, clear timelines, and expert workmanship from start to finish. With every project, we aim to deliver more than heat, we deliver confidence that your home will stay comfortable all year long.

When it’s time for a new furnace, call (815) 806-1055 for a free estimate and expert installation.

Furnace Installation SERVICES

Residential Heating Services

New Furnace Installation

Our furnace installation process starts with a heating capacity calculation to size the new system correctly for your home. We confirm duct capacity, gas or electric supply, and venting for safe, reliable operation. As part of our new furnace installation service, we set the unit on a proper base, connect the plenum and drains, and install a compatible thermostat. Before leaving, we test airflow and safety controls, clean the area, and walk you through the operation so you know exactly how everything works.

Furnace Replacement

When replacement makes more sense than repair, our team manages the entire furnace installation service from old furnace removal to new furnace startup. We safely dispose of the old unit, adapt connections, and bring your system up to current code. Every furnace replacement includes verifying electrical wiring, gas supply hookups, and venting components, sealing duct joints, and setting clear expectations on timing. After system start up, we provide equipment registration for warranty coverage and simple maintenance tips so your new furnace runs reliably all season in Frankfort.

High-Efficiency Upgrades (90%+ AFUE)

For lower energy bills and more consistent comfort, we install high-efficiency furnaces with 90 percent or higher AFUE ratings. These typical furnace installation services include condensing technology with two-stage or modulating operation to reduce temperature swings, providing maximum comfort with greater energy efficiency. We plan PVC intake and exhaust venting, confirm duct sizing, and fine-tune the thermostat for even heating throughout your home.

Commercial Heating Services

Commercial Furnace Installation

Our commercial furnace installation team sizes units accurately for offices, retail locations warehouses and light commercial spaces. As a furnace installation company, we schedule work to limit downtime. The HVAC system's professional installation is done correctly, keeping within local safety codes. Our professional installers ensure proper airflow, insulation and ductwork to keep your new HVAC system operating efficiently and free of potential issues.

Commercial Furnace Replacement

When an old furnace fails or becomes inefficient, our furnace installation team plans replacements around your operating hours, needs and budget. If rooftop units are involved, we coordinate crane service, curb adapters, and ensure compliance with all current codes. Each commercial furnace installation includes updating controls, venting systems, replacing filters, heating system start up and properly disposing of the old unit. Startup readings confirm reliable performance, and we leave you with a clear maintenance plan.

Fuel-Type Specialists

Gas Furnace Installation

For homes using natural gas, our gas furnace installation process ensures proper line sizing, shutoff placement, and venting. We select a model that matches your home’s heating load, then connect electrical, gas, venting, and condensate as needed. As part of our home furnace installation service, we check through for leaks, program the thermostat, balance airflow, and confirm flame and safety controls. Before finishing, we review startup readings and unit operations to keep your system safe and efficient.

Electric Furnace Installation

We handle complete electric furnace installation and air handler replacement with built-in heat kits. Our professional installers checks electrical wiring panel capacity, install dedicated circuits, and confirm breaker sizing. Each furnace installation process includes placement, venting, electrical wiring, sealing duct connections, and testing controls for accuracy. We explain thermostat settings, usage and a basic maintenance schedule to help you plan for dependable year-round comfort.

Propane Furnace Installation

If your home or building uses propane, we manage every detail of your propane and furnace installation. That includes coordinating tank location, regulator sizing, and gas piping. Each new furnace installation involves connecting venting and gas lines, testing combustion, and confirming safe clearances. Once complete, we program your thermostat, review safe system operations and maintenance steps to keep the system running reliably with efficiency through winter.

Contact Us to Schedule Your Furnace Installation Today!

Whole-Home & Add-Ons

Whole-Home HVAC System Installation

As your trusted HVAC contractor, we install complete systems that include the furnace, indoor coil, and air conditioner or heat pump. Each heating and cooling installation follows proper sizing, duct sealing, and code compliance for your Frankfort home. Our furnace installation company pressure tests refrigerant lines, blower motor operations, proper air flow, verifies temperature splits and thermostat functions before job completion. These comfort checks, and clear instructions ensure the system is ready for the season.

Smart Thermostat Setup

A smart thermostat can make a big difference in comfort and efficiency, as well as cost savings. As part of our heating and cooling installation, we confirm compatibility, add a C-wire if needed, and mount the thermostat in the ideal spot. We connect Wi-Fi, set schedules, and activate filter change and temperature alerts. After setup, you’ll understand the app controls and features that make managing your comfort simple every day.

Emergency Furnace Replacement

When the heat is out, we prioritize emergency calls, secure the work area, and confirm power and gas are safely off. The new unit is matched to your home’s heat load and existing ductwork for a faster turnaround. As part of our furnace installation service process, we connect new furnaces to existing gas, electric, venting, and new controls, then test safety and airflow. Before we leave, you’ll know how to operate the system and our professional furnace installers will answer any questions or schedule a follow up call.

Contact Us to Schedule Your Furnace Installation Today!

Ongoing Support

Furnace Repair & Maintenance

Our furnace installation company also provides full repair and maintenance support. We handle diagnostics, part replacements, and seasonal tune-ups for reliable operation. You’ll get clear findings, upfront pricing, and practical tips to prevent future potential issues, plus maintenance plans available for Frankfort homeowners who prefer reminders and priority scheduling. Routine maintenance helps prevent costly repairs, untimely breakdowns and promotes energy efficiency. All increasing the lifespan of your furnace.

System Types We Service

We service single stage, two stage, and modulating furnaces across gas, electric, and propane systems, as well as commercial rooftop units. Our team reviews the thermostat setup, confirms staging or modulation works as intended, and checks duct performance that may affect comfort. If we find issues outside the furnace, such as undersized returns or leaking ducts, we explain options so you can decide the next steps with confidence. Climate Control Systems is your full service HVAC company, from heating to cooling.

Our Furnace Installation Process

Assessment and Options

Every furnace installation starts with a home visit to understand your comfort goals, check the existing furnace, and confirm budget. We ensure the furnace is sized correctly, review ductwork, and inspect venting. After that, you’ll receive clear furnace installation service options with model choices, efficiency levels, and project timelines so you can decide what fits best for your Frankfort home.

Site Prep and Safety

Before any new furnace installation, we protect floors and set up a clean staging zone. Utilities are shut off safely, and all work follows local codes. Each home furnace installation includes verifying gas, electrical, and venting details to eliminate hazards and ensure a smooth, safe job from start to finish.

Installation and Start Up

Our furnace installation company sets the unit on a proper base, connects ducts tightly, and completes gas, drain, and electrical hookups. Once installed, we perform airflow checks, test safety controls, and confirm system balance. Each furnace installation ends with a full cleanup and disposal of the old unit so your home is ready to heat immediately and just as clean as it was when we got there, if not more.

Training and Thermostat Setup

After system start up, our furnace installers will walk you through operation and thermostat use. We explain schedules, temperature settings, and basic alerts for easy management. Every gas furnace installation includes startup instructions and filter guidance. These steps ensure your furnace installation service feels simple, safe, and stress-free.

Follow-Up and Maintenance Plan

You receive a summary of the work, warranty coverage, and a suggested maintenance calendar. We recommend filter checks every one to three months and a yearly tune up We will reach out a year after your furnace installation to schedule the annual maintenance. For priority service, we advise signing up for a maintenance plan. You will receive a quick follow-up call to confirm the furnace is running as expected after a few days of use.

Why Choose Climate Control Systems for Furnace Installation in Frankfort, IL?

50+ Years of Experience, Family-Owned, Trusted by our Community

With more than five decades serving Frankfort and surrounding areas, our family-owned furnace installation company has built a reputation for reliability, craftsmanship, and customer-first service. Generations of homeowners and business owners have trusted us to deliver safe, efficient, and code-compliant heating solutions.
Our long-standing presence means we know local building codes, typical home layouts, and seasonal weather challenges inside and out. This knowledge allows us to complete every furnace installation service smoothly, from the initial home visit, to checking the heating capacity of your old furnace, to selecting right new furnace options and professional installation to final inspection. Because we’ve worked in the area for over 50 years, we understand the unique heating demands of Frankfort and surrounding areas.
Choosing a local, family-owned furnace installation company means you get more than technical skill, you get accountability, pride in workmanship, and a team that treats your home as carefully as our own. We prioritize efficient scheduling, clean and organized worksites, and dependable communication from the first consultation through follow-up.
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Furnace Installation in Frankfort, IL: Frequently Asked Questions

Consider furnace replacement if your system is 15–20 years old, needs frequent repairs, has increased heating costs or struggles to heat evenly. A cracked heat exchanger requires immediate attention. Our furnace installation company can inspect the system and provide our professional, honest opinion.
Most furnace installation services finish within a single day. A complete heating furnace installation that includes an AC or duct modification may take longer, but we’ll set expectations clearly and keep you informed.
The cost of new furnace and installation depends on home size, fuel type, and efficiency level. Each new furnace installation estimate includes written pricing and model options for Frankfort homeowners.
We handle gas furnace installation and electric furnace installation as well as propane systems. You can choose a single-stage, two-stage, standard or modulating high efficiency furnace based on your comfort, budget and energy goals.
We use load calculations to size every home furnace installation correctly. That ensures your furnace installation avoids short cycling and maintains steady comfort through winter.
AFUE is the Annual Fuel Utilization Efficiency rating. It shows how much of the fuel becomes usable heat. Higher AFUE usually means higher energy efficiency and steadier comfort when paired with proper ductwork and controls.
Not always. We’ll evaluate your duct system during any furnace installation or furnace replacement to determine if upgrades could improve airflow and efficiency.
Installing a furnace involves gas, electrical connections, venting, and code compliance. Its basically installing a box of fire in your home that can emit poisonous gas if not installed properly. Mistakes can be dangerous, possibly fatal. and may void warranties. A certified professional helps protect your loved ones and home while ensuring safe, reliable operation. Unless you are professionally trained in HVAC, you should NOT install a furnace yourself.
Replacing the furnace and AC together can improve performance because the components are matched. It can also reduce labor costs and future downtime. If your AC is older or uses outdated refrigerant, a combined changeout often makes sense.
Change filters every one to three months, keep vents clear, and schedule a professional tune up once a year. Basic maintenance supports efficiency, helps prevent breakdowns, keeps indoor air cleaner and keeps your warranty coverage valid.
A modern, energy efficient heating system can make a home more attractive to buyers and lower ongoing utility costs. While it is not a guarantee of higher sale price, it improves comfort, safety, and perceived value.
  • "Thorough and Professional"

    I contacted them on a Tuesday and scheduled for a Friday maintenance.  They were beyond professional.  

    - Michael S.

  • "Great Experience"

    The crew got to the job on time. They introduced themselves and got right to work. The installation went smoothly and in a couple of hours, the job was complete.After a spotless cleanup, I was given a tour of what was done both inside and out.

    - Mike D.

  • "Quick and Knowledgeable"

    I was very impressed with the quality of service and the price. Thank you for keeping us cool on the hottest day of the year so far.

    - Heather G.

  • "Professional"

    The Climate Control Systems owner came out and looked at things, no pressure and $800 cheaper for the full install of both. Crew was on time, professional and finished in about 5 hours. No issues on anything and cleaned everything up.

    - Sue S.

  • "Professionalism, Punctuality, Quality, Responsiveness, Value"

    Best experience ever! I got a few quotes and they came back the least expensive—with the best reviews. They were super professional, courteous, and timely.

    - Shelby Light
    Country Club Hills, IL

  • "Professionalism"

    The cost for maintenance on both my furnace and a/c was fair, and they were able to accommodate my schedule. Highly recommend them to anyone seeking hvac services.

    - Kristen Adams
    Crete, IL

  • "GREAT JOB BY ALL!"

    Climate Control Systems staff and crews continue to provide excellent service for all our HVAC needs. The new installation was completed in a very timely manner.

    - David Werner

Family Owned & Operated

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50+ Years Experience

HVAC Services

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Treating Customers Like Family for More than 50 Years
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