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Professional Package Unit Installation and Replacement Services

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Serving Montgomery, Illinois, and Nearby Communities

Just In Time is proud to provide Montgomery, Illinois, and the surrounding areas with top-tier residential package unit installation and replacement services. With over 20 years of experience in the HVAC industry, our certified professionals are committed to delivering efficient, reliable heating and cooling solutions tailored to your home's unique needs.

Understanding the importance of a comfortable living environment, we ensure that every installation or replacement is handled with the utmost care and precision, guaranteeing optimal performance and satisfaction.

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Why Choose a Residential Package Unit?

Residential package units are an excellent choice for homeowners looking for a compact, efficient heating and cooling solution. These all-in-one systems offer several benefits:

  • Space-Saving Design: Package units consolidate the heating and cooling components into a single outdoor unit, saving valuable indoor space.
  • Efficiency Designed with efficiency in mind, package units provide effective temperature control, potentially lowering energy bills.
  • Versatility: Available in various configurations, package units can meet a wide range of heating and cooling needs, whether you rely on electricity, gas, or a combination of both.
  • Ease of Installation and Maintenance: With most components housed externally, package units are generally easier and faster to install and maintain compared to split systems.

Our Installation and Replacement Process:

Just In Time follows a thorough process to ensure your new package unit meets your home's specific needs:


  • Personalized Consultation: We start with a detailed assessment of your property and discuss your preferences and requirements to select the perfect package unit.

  • Expert Installation: Our skilled technicians handle every aspect of the installation process, from removing the old unit to setting up the new system, ensuring it operates efficiently and effectively.

  • Quality Brands: We work with trusted manufacturers to provide you with a selection of high-quality package units, ensuring durability and reliability.

  • Comprehensive Testing: After installation, we perform rigorous testing to verify that your new package unit is functioning perfectly, providing you with peace of mind.

Serving Montgomery and Surrounding Areas:


Our dedication to excellence and customer satisfaction extends beyond Montgomery, IL, reaching out to provide exceptional HVAC services to nearby communities. Whether you're upgrading your current system or installing a new package unit, Just In Time is equipped to deliver the quality service you deserve.

Schedule Your Package Unit Installation or Replacement Today:


If you're considering a residential package unit for your home in Montgomery, Illinois, or the surrounding areas, trust the experts at Just In Time to provide you with a seamless installation or replacement experience. Our team is ready to help you select and install the perfect heating and cooling solution, ensuring your home remains comfortable year-round.

Contact Just In Time today to schedule your consultation and take the first step towards enhanced comfort and efficiency in your home. Experience the difference that professional, reliable HVAC services can make.

Financing Options for Your Convenience

Financing Options for Your Convenience

We know your systems are important, but sometimes costs can be high. If you are in need of major repairs or just want to upgrade your existing equipment we have convenient financing options available upon credit approval.

Service Finance

Service Finance Company, LLC is a nationally licensed sales finance company and an approved FHA Title I Lender.

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Microf Finance

If you are ready to get your HVAC system replaced and keep your bank account intact, apply today with Microf.

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Our Featured Rebates

We work to bring you rebates that will help you make the changes or repairs that you need for your comfort.

Ameren Illinois Rebates

Energy-Efficient Product Incentives

  • Rebate of $125 for a smart thermostat purchase
  • Rebate up to $1,300 for the installation of a qualifying heat pump
  • Rebate up to $400 for the installation of a qualifying air conditioner
  • Rebate of $50 for a energy-efficient dehumidifier purchase
  • Rebate of $50 when you upgrade your gas water heater to a tankless system
  • Rebate up to $250 for the installation of a qualifying gas furnace
Nicor Gas Rebates

Nicor-Gas Residential Rebates

  • Rebate of $25 for the installation of a qualifying smart thermostat
  • Rebate up to $225 for the installation of a qualifying furnace
  • Rebate of $350 for the installation of a qualifying boiler
  • Rebate of $500 for the installation of a qualifying combination boiler system
  • Rebate of $150 for the installation of a qualifying tankless water heater

Home Heating & Cooling Discounts

  • Rebate up to $1,400 for the installation of a qualifying heat pump
  • Rebate up to $1,000 for the installation of a qualifying mini-split
  • Rebate up to $9,000 for the installation of a qualifying geothermal heat pump system
  • Rebate up to $1,800 for the installation of a qualifying geothermal indoor unit
  • Rebate of $100 for a smart thermostat

Our Featured Specials

We offer specials to help you get the service you need for a little less.

$50 Off Service Repair Over $299

$50 Off
Service Repair Over $299

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Restrictions apply. Call for more details.

Buy Now, Pay Later - 3,6, or 12 month Financing Options

Buy Now, Pay Later
3,6, or 12 month Financing Options

Contact Us

Restrictions apply. Call for more details.

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