We service Barrington, IL & Greater Chicagoland. Not sure if we service your area? Give us a call.
When homeowners in Palatine, IL need reliable heating, cooling, or water heater services, they turn to the trusted experts at RJ's Heating, Cooling & Water Heaters. With over two decades of experience serving the Northwest Suburbs, we know what it takes to keep your home or business comfortable year-round. Our certified technicians deliver fast, professional service backed by quality brands, transparent pricing, and unmatched customer care.
RJ's offers a full suite of HVAC solutions for Palatine homes, from furnace repair to AC installation, boiler maintenance, and ductless systems. We're available 24/7 for emergency HVAC repairs and provide custom solutions for everything from small residential units to light commercial rooftops. And with in-house sheet metal fabrication, we're fully equipped to design and install custom duct systems for new builds, older homes, and renovations.
Proudly Installing
Equipment From
Furnace Installation & Replacement – We install Armstrong and Ducane furnaces built to handle Palatine's cold winters with efficiency and reliability.
Furnace Repair & Service – Whether your furnace won't start or it's making strange noises, we offer prompt, expert repairs.
Furnace Maintenance & Tune-Ups – Regular service improves energy efficiency and extends equipment life.
Boiler Installation & Replacement – We install trusted brands like Burnham and Weil-McLain for radiant heat and hydronic systems.
Boiler Repair & Maintenance – We repair leaks, restore water pressure, fix pilot lights, and service aging systems for safe, consistent warmth.
Ducted Heat Pump Installation & Replacement – These all-in-one heating and cooling systems are a smart, energy-efficient choice for Palatine homes.
Ducted Heat Pump Repair & Maintenance – We provide diagnostics, tune-ups, and emergency repairs for Armstrong and Ducane heat pumps.
Central AC Installation & Replacement – RJ's installs high-efficiency Armstrong and Ducane cooling systems built to beat Chicagoland's heat and humidity.
Central AC Repair & Service – Fast, effective AC repairs for frozen coils, bad capacitors, thermostat issues, and more.
Central AC Maintenance & Tune-Ups – Keep your system efficient and extend its life with a seasonal inspection and cleaning.
Mini-Split Installation & Replacement – RJ's installs Daikin ductless systems, ideal for rooms without ductwork, additions, and older homes in Palatine.
Mini-Split Repair & Service – We fix refrigerant issues, replace sensors, and address performance concerns.
Mini-Split Maintenance & Tune-Ups – Preventative maintenance ensures reliable operation and lowers energy use.
MagicPak Installation & Replacement – RJ's installs and replaces MagicPak vertical HVAC systems commonly used in multi-unit residential buildings.
MagicPak Repair & Maintenance – Whether it's a heating issue or airflow problem, we service all MagicPak models.
Palatine residents can protect their home's health with indoor air quality solutions from RJ's.
Older homes in Palatine often need tailored duct solutions. Our shop fabricates everything in-house.
We help Palatine business owners maintain safe, efficient indoor environments with responsive service and expert care.
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 Comfort Club Maintenance Plan is designed to keep your HVAC systems in top shape.
With deep roots in the Northwest Suburbs and a legacy of trusted service, RJ's Heating, Cooling & Water Heaters is the go-to HVAC company in Palatine. Homeowners choose us for:
Whether you're dealing with an aging boiler, planning a system upgrade, or seeking better air quality for your family, RJ's is here to help with personalized service and proven results.
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! RJ's Heating, Cooling & Water Heaters offers 24/7 emergency HVAC repairs in Palatine for both homeowners and businesses. Whether your furnace fails on a frigid night or your AC stops during a heatwave, our certified technicians are on call to restore comfort quickly and reliably.
We install Armstrong and Ducane furnaces, air conditioners, and heat pumps, Daikin ductless mini-splits, Burnham and Weil-McLain boilers, and MagicPak units for multi-family buildings. Each system is sized and configured specifically for your home's layout and heating/cooling needs.
We recommend two maintenance visits per year—once in the spring for your cooling system, and again in the fall for your heating system. This helps prevent breakdowns, improve energy efficiency, and extend equipment life.
Yes, we do! Through our partnership with Service Finance, Palatine homeowners can finance new HVAC systems, water heaters, IAQ upgrades, and more. Choose from flexible repayment options and apply in minutes during your free estimate.
Our Comfort Club Maintenance Plan is available to all Palatine residents. Members receive twice-yearly tune-ups, priority scheduling, discounted repairs, and no diagnostic fees during business hours. It's a great way to protect your investment and keep your systems running smoothly.
It might. If your air conditioner uses R-410A, be aware that it's being phased out in favor of low-GWP refrigerants like R-454B. While your system may still function, future repairs could become more expensive. We help Palatine homeowners plan ahead with compliant, energy-efficient upgrades when needed.
We install Aprilaire air filtration systems, humidifiers, dehumidifiers, and UV lights. These improve indoor air by removing allergens, balancing humidity, and killing airborne bacteria—especially important in older homes or homes with pets and allergies.
Yes! We offer Daikin ductless mini-split systems that provide efficient heating and cooling without traditional ductwork. If you're renovating or adding on to your home, they're a perfect solution for climate control in specific rooms or zones.
Absolutely. RJ's specializes in boiler repair, replacement, and maintenance, including both hot water and steam systems. We install Burnham and Weil-McLain units and service older boilers commonly found in Palatine homes.
We install and repair State tank and tankless water heaters. Our technicians can help you choose the right model and ensure your home always has efficient, reliable access to hot water.
Yes. We install and maintain commercial rooftop HVAC units up to 25 tons for light commercial buildings, including offices, retail shops, and multifamily properties throughout Palatine.
RJ's Heating, Cooling & Water Heaters is family-owned, certified, and community-focused. With more than 20 years of experience, we combine technical expertise with a personal touch and honest pricing. Palatine residents choose us for fast response times, dependable service, and expert guidance.
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If you're looking for a dependable HVAC company in Palatine, IL, look no further than RJ's Heating, Cooling & Water Heaters. For over 20 years, we've been the trusted choice for families and businesses across the Northwest Suburbs, delivering reliable, high-quality heating, cooling, water heater, and indoor air quality solutions.
Whether you need a furnace replacement before winter hits, AC repair in the middle of a heatwave, or want to upgrade to a high-efficiency tankless water heater, RJ's is here to help. We install and service top-rated brands like Armstrong, Ducane, Daikin, Burnham, Weil-McLain, State, and Aprilaire, ensuring every customer receives durable, efficient, and future-ready systems.
Our team understands the unique needs of Palatine homes—whether you're in a historic brick colonial, a modern condo, or a commercial storefront. We offer everything from custom ductwork and MagicPak systems to boiler service, ductless mini-splits, and rooftop units for light commercial HVAC applications. Every job is backed by honest pricing, licensed technicians, and a local reputation for excellence.
Worried about budget? RJ's offers flexible financing options through Service Finance so you can upgrade or replace your HVAC system without delay. We also offer long-term protection through our Comfort Club Maintenance Plan, which includes seasonal tune-ups, priority service, and repair discounts—keeping your system reliable and your energy bills in check.
We're proud to serve Palatine, IL with 24/7 emergency repairs, friendly service, and expert care. Our commitment to customer satisfaction is more than just words—it's built into everything we do, from the moment you call to the final walkthrough.
Let's get started. Contact RJ's Heating, Cooling & Water Heaters today to schedule your service, request a free estimate, or learn more about how we can make your Palatine home or business more comfortable, efficient, and worry-free.
872-274-4502 Schedule Today
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