We service Barrington, IL & Greater Chicagoland. Not sure if we service your area? Give us a call.
When winter hits Barrington, IL, you need a furnace that can deliver dependable, efficient heating day in and day out. At RJ's Heating, Cooling & Water Heaters, we specialize in furnace installation and replacement services for homes and light commercial spaces across Northwest Chicago. Whether you're upgrading an old system or installing heat in a new property, we provide expert design, trusted brands, and professional workmanship from start to finish.
As a family-owned HVAC contractor with over 20 years of experience, RJ's delivers solutions built to last. We install high-efficiency gas furnaces from brands like Armstrong and Ducane, and provide guidance on system sizing, rebates, and smart thermostat integration—so you can stay warm without overspending.
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Is your current heating system struggling to keep up? These common signs might indicate it's time for a furnace replacement in Barrington, IL:
Upgrading to a new, high-efficiency furnace can reduce your utility bills, improve indoor comfort, and ensure your home stays safe and warm all winter.
We make the furnace installation process simple and stress-free. Whether it's a replacement or a brand-new system, we handle everything from assessment to final testing.
We ensure your furnace is not only installed correctly—but optimized for long-term performance and energy savings.
There's no one-size-fits-all when it comes to heating systems. We help you choose the best furnace based on your home size, insulation levels, and comfort preferences.
We install Armstrong and Ducane furnaces, both known for their reliability, durability, and energy performance.
At RJ's, we're more than just installers—we're your local heating experts. From system design to final testing, our goal is to provide safe, efficient, and customized solutions for every home.
Our furnace installations are backed by labor warranties and manufacturer coverage, so you can feel confident in your investment.
At RJ's Heating, Cooling & Water Heaters, we believe that quality HVAC services should be affordable for every homeowner and business. That's why we offer flexible financing options to help you invest in new heating, cooling, or water heating systems without financial stress.
Whether you need a new furnace, air conditioner, or water heater, our trusted financing partners make it easy to spread out payments over time. Contact us today to learn more about your financing options in Barrington, IL!
Apply NowWe install a range of gas furnace models, each designed to meet different needs and budgets:
Ask us about available rebates, tax incentives, and financing options for energy-efficient furnace upgrades in Illinois.
A new furnace is only as effective as the ductwork it's connected to. During every installation, we inspect and address your home's air delivery system to ensure it matches the performance of your new unit.
We offer:
These add-ons improve airflow, comfort, and health, all while helping your furnace operate more efficiently.
Prevent costly breakdowns and keep your HVAC system running at peak efficiency year-round with our Comfort Club Maintenance Plan. Routine HVAC maintenance improves energy efficiency, extends system lifespan, and prevents unexpected failures. Regular maintenance saves you money on energy bills and prevents costly emergency repairs. Sign up today and enjoy worry-free heating and cooling throughout the Chicagoland area!
Join Our Comfort Club Comfort Club DetailsSeasonal HVAC tune-ups to ensure optimal performance.
Priority service—jump to the front of the line for repairs.
Exclusive discounts on repairs and system replacements.
Extended equipment lifespan through regular maintenance.
Furnace and AC inspections & tune-ups
Ductwork and air filter checks
Refrigerant level and thermostat calibration
Water heater efficiency checks
RJ's provides expert furnace installation and replacement services across:
Our team knows how to handle the challenges of Illinois winters, from tight historic homes to new construction builds.
While gas furnaces remain a staple in northern climates like Illinois, new regulations around energy use and emissions mean today's installations need to be forward-thinking.
RJ's helps you select systems that comply with evolving standards, including:
We'll also walk you through future options, including hybrid heat systems (furnace + heat pump), which allow flexible, cost-effective heating year-round.
At RJ's Heating, Cooling & Water Heaters, we are:
As a family-owned HVAC company with over 20 years of experience, we proudly serve Barrington and Northwest Chicago. As an Armstrong Pro and Aprilaire Partner, we deliver trusted, high-quality comfort solutions.
We offer 24/7 emergency service for HVAC and water heaters, upfront pricing with no surprises, and highly rated craftsmanship trusted by home and businessowners throughout the region.
We proudly install and service trusted brands like Armstrong, Ducane, MagicPak, Daikin, Burnham, Weil-McLain, Aprilaire, Reme Halo, and State Water Heaters—ensuring lasting performance and comfort you can rely on.
We proudly serve Barrington, IL, and Northwest Chicago, covering areas such as:
Most gas furnaces last between 15 and 20 years with proper maintenance. If your system is nearing that age, experiences frequent issues, or is no longer efficient, it may be time to consider replacement. Newer furnaces offer much higher efficiency and better comfort.
Furnace size depends on square footage, insulation quality, window placement, and ductwork design. RJ's performs detailed load calculations during your consultation to determine the exact system size needed for optimal efficiency and comfort in your Barrington home.
AFUE stands for Annual Fuel Utilization Efficiency. It measures how efficiently your furnace converts fuel into heat. For example, a 96% AFUE furnace converts 96% of the fuel into usable heat. Higher AFUE ratings mean lower energy bills. In colder climates like Illinois, a 90%+ AFUE furnace is often the best choice.
Upgrading to a high-efficiency furnace provides:
RJ's installs ENERGY STAR® rated systems from Armstrong and Ducane to help homeowners save more over time.
Yes, and it's often recommended. Installing both together ensures system compatibility, maximizes energy efficiency, and may qualify you for bundle rebates. Plus, it saves on labor costs compared to installing separately.
We'll help you choose based on your home's layout, insulation, and budget.
Most installations are completed in one day. Complex jobs or installations involving ductwork or zoning systems may take a little longer. We'll give you a clear timeline upfront and work to minimize disruption.
Yes. RJ's will safely disconnect, remove, and dispose of your old heating equipment in accordance with local codes. We'll also ensure your new furnace is installed to meet current safety and efficiency standards.
If your furnace:
…it may be more cost-effective to replace it. We provide honest assessments and will only recommend replacement if it's truly the better option.
We install Armstrong Air and Ducane furnaces, both known for their reliability, warranty support, and performance in cold climates like Barrington. We also service most other major brands, including Carrier, Trane, Lennox, Rheem, and Goodman.
Not always, but we will inspect your existing ductwork to ensure it's compatible. If ducts are leaking, improperly sized, or uninsulated, we may recommend sealing, redesigning, or upgrading them to improve efficiency and airflow.
Yes. We provide flexible financing options with approved credit so you can upgrade to a new heating system without a large upfront cost. Ask about our monthly payment plans and available incentives.
Yes! Many high-efficiency models qualify for ComEd and Nicor Gas rebates. We'll guide you through the rebate process and help you choose a system that qualifies, maximizing your savings.
Absolutely. Our Comfort Club Maintenance Plan includes annual tune-ups, priority repair service, and discounts on parts. Routine maintenance keeps your furnace efficient, safe, and under warranty.
Check out our latest coupons and special offers to get quality HVAC service at a great price.
When cold weather rolls into Barrington, IL, you need a heating system that's ready to perform. At RJ's Heating, Cooling & Water Heaters, we provide expert furnace installation and replacement services that deliver long-lasting warmth, efficiency, and peace of mind. Whether you're building a new home or replacing an aging unit, our team will design and install the right furnace for your space—with expert guidance every step of the way.
With over 20 years of experience and a reputation for excellence across Northwest Chicago, we've helped hundreds of homeowners upgrade to more reliable, energy-efficient heating systems. Our process starts with a free consultation, where we evaluate your home's layout, insulation, and ductwork to determine the best system for your needs. From there, we'll recommend high-performing equipment from trusted brands like Armstrong Air and Ducane, designed to handle the demands of Illinois winters.
Whether you're looking for a cost-effective 80% AFUE system or a high-efficiency, modulating furnace with advanced features, RJ's has you covered. We offer flexible financing, help you access rebates and tax incentives, and handle every aspect of the job—from removing your old equipment to connecting your new system and walking you through operation and maintenance.
We also provide optional upgrades like smart thermostats, indoor air quality enhancements, and duct sealing, so your new furnace delivers the comfort and efficiency you expect. Our team is licensed, insured, and focused on doing the job right the first time.
To keep your new furnace performing at its best, ask about our Comfort Club Maintenance Plan, which includes annual tune-ups, priority scheduling, and discounts on repairs—helping you extend the life of your equipment while reducing your long-term costs.
We proudly serve Barrington, IL, along with nearby areas including Palatine, Schaumburg, Hoffman Estates, Park Ridge, Oak Park, and Skokie. Our mission is to deliver top-notch workmanship, honest service, and warm homes—one customer at a time.
872-274-4502 Schedule Today
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