We service Barrington, IL & Greater Chicagoland. Not sure if we service your area? Give us a call.
RJ's Heating, Cooling & Water Heaters is proud to bring professional HVAC services to Chicago, IL, delivering dependable comfort solutions to homes and small businesses throughout the city. Whether you're battling sub-zero winter temps or the blazing heat of summer, our team ensures your systems run efficiently year-round.
We offer over two decades of proven experience and a reputation for reliable, responsive service. From system installations to fast repairs, RJ's is the name Chicago trusts for HVAC done right. Contact us today for certified, local heating and cooling services tailored to your needs in Chicago, IL.
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Poor indoor air can affect your health, comfort, and energy bills—especially in a dense urban area like Chicago. RJ's offers indoor air quality upgrades designed to keep your home healthy.
RJ's also provides expert water heating solutions for Chicago homes. Whether you have a traditional tank or a high-efficiency tankless model, we've got your hot water needs covered.
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 NowOur in-house ductwork fabrication capabilities mean faster, more accurate installations—especially important for older homes and remodels across Chicago's historic neighborhoods.
Chicago's business owners count on RJ's for light commercial HVAC services that keep operations running without interruption.
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
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.
Yes! At RJ's Heating, Cooling & Water Heaters, we provide 24/7 emergency HVAC services throughout Chicago. Whether your furnace stops working during a polar vortex or your AC fails during a heatwave, our technicians are ready to respond day or night.
HVAC installation costs in Chicago can vary based on system size, property layout, and energy efficiency goals. On average, homeowners spend between $5,000–$12,000 for a complete HVAC replacement. We offer free estimates and financing options to make your upgrade more affordable.
RJ's installs and services Armstrong, Ducane, Daikin, Burnham, Weil-McLain, MagicPak, and State products. We're an Armstrong Pro Partner and an Aprilaire indoor air quality dealer, which means we're factory-trained and trusted by these manufacturers.
A central AC system uses ductwork to distribute cool air throughout your home, while a ductless mini-split cools individual zones without ducts. Mini-splits are great for additions, multi-unit buildings, and older homes in neighborhoods like Logan Square or Wicker Park that lack traditional duct systems.
Absolutely. With Chicago's extreme seasonal swings, twice-yearly maintenance helps your systems run efficiently and reduces the risk of breakdowns. Our Comfort Club Maintenance Plan includes seasonal tune-ups, priority scheduling, and repair discounts.
Benefits include lower energy bills, better comfort, quieter operation, modern thermostats, improved air quality, and eligibility for utility rebates. An upgraded HVAC system is especially valuable in older Chicago homes and multi-family buildings.
If your system is over 15 years old, requires frequent repairs, produces uneven heating/cooling, or causes spikes in your utility bill, it may be time to replace it. We can inspect your unit and help you decide whether a repair or replacement is more cost-effective.
Yes. We install zoning systems using dampers and smart thermostats that allow you to control temperatures in different areas of your home independently. This is especially helpful for larger homes or multi-level buildings in neighborhoods like Hyde Park or Andersonville.
Definitely. We offer Aprilaire air filtration, UV lights, and humidity control systems designed to combat Chicago's urban pollution, dry winter air, and humid summers. These upgrades can reduce allergies, mold, and airborne contaminants in your home.
As of 2025, the EPA is phasing out R-410A refrigerant in favor of lower-GWP alternatives like R-454B. If your system uses R-410A, you can still get repairs, but we recommend planning for a future upgrade. We stay informed on all refrigerant changes to help Chicago homeowners make smart, long-term decisions.
RJ's offers financing through Service Finance, giving you the flexibility to spread payments over time with low-interest or no-interest options. Ask us about promotions during your estimate.
Yes. We install Burnham and Weil-McLain boilers, commonly used in radiant floor heating, cast iron radiators, and baseboard systems throughout Chicago's older neighborhoods. We also service and descale these systems to maintain efficiency.
Call us directly or fill out our online contact form to schedule a service, estimate, or emergency repair. We serve all neighborhoods in Chicago, from the North Side to the South Loop.
Yes. We work with small businesses across Chicago, IL, providing rooftop unit installation, boiler services, and regular maintenance to ensure your building stays comfortable year-round.
Check out our latest coupons and special offers to get quality HVAC service at a great price.
When it comes to trusted, local HVAC services in Chicago, IL, RJ's Heating, Cooling & Water Heaters stands above the rest. With over 20 years of experience serving homeowners and businesses across the Windy City, we know what it takes to keep you comfortable—no matter the season. From freezing winters to sweltering summers, our licensed, certified team is ready to install, repair, or maintain your heating and cooling systems with precision and care.
Whether you need a full HVAC system installation, seasonal maintenance, or fast emergency repairs, RJ's delivers solutions that are affordable, reliable, and tailored to your space. We specialize in furnaces, central air conditioners, boilers, mini-splits, heat pumps, and more. As an Armstrong Pro Partner and Aprilaire indoor air quality dealer, we provide high-quality products backed by expert service and factory-authorized warranties.
We're proud to serve all neighborhoods in Chicago, IL, including Lakeview, Lincoln Park, Logan Square, Hyde Park, Bronzeville, and beyond. Our services don't stop at just residential properties—we also offer light commercial HVAC including rooftop unit installation, boiler repair, and custom maintenance plans for small businesses throughout the city.
In addition to our comprehensive HVAC offerings, we install and service tank and tankless water heaters, provide ductwork and custom fabrication, and improve your home's comfort with indoor air quality solutions like air purifiers, UV lights, and humidity control. We even offer financing options to make system upgrades more accessible for our Chicago customers.
As your local HVAC experts, RJ's Heating, Cooling & Water Heaters combines old-school values with modern technology. We offer upfront pricing, quick response times, and unbeatable customer support. We also offer our Comfort Club Maintenance Plan for year-round peace of mind, discounted repairs, and seasonal tune-ups that keep your system running at its best.
If you're in need of HVAC repair, installation, or maintenance in Chicago, IL, don't wait. RJ's is ready to deliver expert results with a personal touch.
872-274-4502 Schedule Today
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