Your Trusted HVAC Experts in Barrington, IL

We’re proud to be your Local, 5-star HVAC heating and air conditioning team for Northwest Chicago and Chicagoland.

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We service Barrington, IL & Greater Chicagoland. Not sure if we service your area? Give us a call.

We're RJ's Heating, Cooling & Water Heaters

Quality Heating & Cooling Solutions in Barrington, IL

At RJ's Heating, Cooling & Water Heaters, we are committed to delivering top-rated HVAC services in Barrington, IL, and Northwest Chicago. With over 20 years of experience, we specialize in heating, cooling, water heaters, and indoor air quality solutions for residential and light commercial properties. Our 24/7 emergency services ensure that homeowners and businesses never have to wait long for reliable HVAC and plumbing solutions.

Family-Owned and Operated
Family-Owned and Operated
Over 20 Years of Experience
Over 20 Years of Experience
We offer 24-hour Emergency Service
We offer 24-hour Emergency Service
Schedule Service

Proudly Installing
Equipment From

Amana
Armstrong Air Pro Team
Ducane
Daikin
Weil-McLain
State Water Heaters
Burnham
Aprilaire
Reme Halo
Our Services

Comprehensive HVAC Services in Barrington, IL

Our team at RJ’s Heating, Cooling & Water Heaters provides expert heating and cooling solutions to keep your home comfortable year-round. Whether you need HVAC installation, repair, maintenance, or replacement, we offer efficient, high-quality services tailored to your needs.

Air Conditioning Services Air Conditioning Services

Air Conditioning Services in Barrington, IL

Keep your home cool and comfortable all summer long with expert air conditioning services from our trusted team. From new installations to fast repairs and preventative maintenance, we handle it all with precision and care.

AC Installation & Replacement
AC Installation & Replacement

We install Armstrong, Ducane, and MagicPak air conditioners for superior cooling performance.

AC Repair & Service
AC Repair & Service

Our certified technicians diagnose and repair all AC brands quickly and efficiently.

AC Maintenance & Tune-Ups
AC Maintenance & Tune-Ups

Prevent costly breakdowns with seasonal maintenance to maximize efficiency.

Furnace Services Furnace Services

Furnace Services in Barrington, IL

Keep your home warm and comfortable all winter long with expert furnace services from our trusted team. From new installations to fast repairs and preventative maintenance, we handle it all with precision and care.

Furnace Installation & Replacement
Furnace Installation & Replacement

We install Armstrong and Ducane furnaces for reliable heating.

Furnace Repair & Service
Furnace Repair & Service

Fast, expert repairs to restore your heating system’s performance.

Furnace Maintenance & Tune-Ups
Furnace Maintenance & Tune-Ups

Regular service improves efficiency and extends system lifespan.

Boiler Services Boiler Services

Boiler Services in Barrington, IL

Keep your home warm and comfortable all winter long with expert boiler services from our trusted team. From new installations to fast repairs and preventative maintenance, we handle it all with precision and care.

Boiler Installation & Replacement
Boiler Installation & Replacement

We install Burnham and Weil-McLain boilers for reliable, energy-efficient heating.

Boiler Repair & Service
Boiler Repair & Service

Fast, expert repairs to restore heat, fix leaks, and improve efficiency.

Boiler Maintenance & Tune-Ups
Boiler Maintenance & Tune-Ups

Annual servicing improves performance and prevents costly breakdowns.

Water Heater Services Water Heater Services

Expert Water Heater Services

In addition to HVAC, RJ’s Heating, Cooling & Water Heaters provides water heater services in Barrington, IL. Whether you need a traditional tank or an energy-efficient tankless water heater, we offer installation, repairs, and maintenance.

Water Heater Services in Barrington, IL

Water Heater Installation & Replacement
Tankless Water Heater Installation & Replacement

Featuring State tankless water heaters.

Water Heater Repair & Service
Tank Water Heater Installation & Replacement

Reliable hot water solutions from State.

Water Heater Maintenance & Tune-Ups
Water Heater Repair & Maintenance

Keep your system running efficiently with expert service.

Heat Pump Services Heat Pump Services

Ducted Heat Pump Services in Barrington, IL

Enjoy reliable heating and cooling when you want it from a central ducted heat pump. Call RJ's Heating, Cooling today to get your estimate!

Heat Pump Installation & Replacement
Ducted Heat Pump Installation & Replacement

We install high-efficiency ducted heat pumps for year-round comfort.

Heat Pump Repair & Service
Ducted Heat Pump Repair & Service

Quick repairs to resolve airflow, refrigerant, and heating/cooling issues.

Heat Pump Maintenance & Tune-Ups
Ducted Heat Pump Maintenance & Tune-Ups

Routine inspections and tune-ups to maximize energy savings.

Mini-Split Services Mini-Split Services

Mini-Split & High-Velocity Cooling Systems

For homes without ductwork, RJ’s Heating, Cooling & Water Heaters installs and services Daikin mini-split systems and high-velocity cooling solutions like Space Pak and Unico.

Mini-Split Services in Barrington, IL

Mini-Split Installation & Replacement
Mini-Split Installation & Replacement

Energy-efficient Daikin mini-split systems for zoned cooling.

Mini-Split Repair & Service
Mini-Split Repair & Service

Quick fixes to keep your system running smoothly.

Mini-Split Maintenance & Tune-Ups
Mini-Split Maintenance & Tune-Ups

Regular servicing to enhance performance and longevity.

High-Velocity Cooling Systems

  • Ideal for older homes or spaces without ductwork.
  • Space Pak and Unico systems for fast, efficient cooling.
  • Expert installation and service for high-velocity AC systems.
Ductwork Services Ductwork Services

Ductwork & Custom Fabrication

We provide custom ductwork solutions for residential and commercial HVAC systems. Our team ensures optimal airflow and system efficiency with:

Professional Ductwork Services

  • Ductwork installation and repair
  • Custom sheet metal fabrication for HVAC systems
  • Duct sealing and cleaning for improved efficiency
Ductwork & Fabrication
Air Quality Services Air Quality Services

Indoor Air Quality Solutions for Healthier Homes

Clean, fresh air is essential for your home’s comfort and health. We provide indoor air quality solutions in Barrington, IL, using top-tier brands like Aprilaire and Reme Halo.

Air Filtration & Purification Systems

  • Air Cleaners & Filtration Systems

    Aprilaire whole-home air cleaners for improved indoor air quality.

  • UV Lights

    Kills airborne contaminants and improves HVAC efficiency.

Humidifier & Dehumidifier Solutions

  • Aprilaire humidifiers and dehumidifiers to maintain the ideal indoor moisture level.
  • Whole-home solutions for balanced humidity year-round.
Indoor Air Quality
Commercial HVAC Services Commercial HVAC Services

Commercial HVAC

RJ’s Heating, Cooling & Water Heaters offers commercial HVAC services in Barrington, IL, for small businesses, offices, and retail locations.

Commercial HVAC Solutions

  • Rooftop Units (RTUs) up to 25 tons
  • Commercial Boiler Installation & Service
  • Routine HVAC Maintenance for Businesses
Commercial HVAC
Learn More About A2L Refrigerant

New Refrigerant Regulations Are Here

HVAC systems are transitioning to A2L refrigerants in 2025. This may impact equipment availability, repair costs, and system compatibility. Have questions? Contact us today to learn what it means for you.

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RJ's Heating, Cooling & Water Heaters offers Financing RJ's Heating, Cooling & Water Heaters offers Financing RJ's Heating, Cooling & Water Heaters offers Financing
A Plan For Every Budget

Flexible HVAC Financing in Barrington, IL

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.

Low monthly payments with competitive interest rates
Low monthly payments with competitive interest rates.
Fast approval process
Fast approval process—quick financing for your HVAC upgrade.
Flexible terms to fit your budget
Flexible terms to fit your budget and energy efficiency goals.
Financing for HVAC installations
Financing for HVAC installations, replacements, and upgrades.

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 Now
Our Maintenance Plan

Comfort Club Maintenance Plan for Chicagoland Area Homes & Businesses

RJ's Heating, Cooling & Water Heaters offers Maintenance Plans RJ's Heating, Cooling & Water Heaters offers Maintenance Plans RJ's Heating, Cooling & Water Heaters offers Maintenance Plans

Why Become a Member?

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 Details

Benefits of Joining the Comfort Club

Seasonal 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.

What's Included in Your Maintenance Plan?

Furnace and AC inspections & tune-ups

Ductwork and air filter checks

Refrigerant level and thermostat calibration

Water heater efficiency checks

Our Team Is Here To Help You

Why Choose RJ's Heating, Cooling & Water Heaters?

At RJ's Heating, Cooling & Water Heaters, we are:

Local Experts
Your Local HVAC Experts

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.

Customer-Focused & Reliable
Customer-Focused & Reliable

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.

Top HVAC & Plumbing Brands
Top HVAC & Plumbing Brands

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.

872-274-4502   Schedule Today
Our Team Is Here To Help You Our Team Is Here To Help You Our Team Is Here To Help You
Our Service Area Our Service Area Our Service Area
Our Service Area

Reliable HVAC Services in Barrington & Surrounding Areas

We proudly serve Barrington, IL, and Northwest Chicago, covering areas such as:

Our Top Service Areas

View All Service Areas   Call Now 872-274-4502
Seasonal Offers Made for You

Our Specials & Coupons

Check out our latest coupons and special offers to get quality HVAC service at a great price.

$500 OFF

a Full System Installation

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$500 OFF

Your Next Boiler Installation

Book Now

$50 OFF

Repairs of at least $150

Book Now

Free Humidifier

With Full System Purchase

Book Now
Let's Get Started

Expert Hvac & Water Heater Services in Barrington, IL

At RJ’s Heating, Cooling & Water Heaters, we are proud to be Barrington, IL’s trusted HVAC and water heating specialists, delivering top-rated heating, cooling, and indoor air quality solutions for residential and light commercial properties. Whether you need a new furnace, AC repair, a high-efficiency water heater, or custom ductwork, our experienced, certified team is ready to help. With over 20 years of industry experience, we serve Barrington, IL, and Northwest Chicago with expert installations, reliable repairs, and routine maintenance.

At RJ’s Heating, Cooling & Water Heaters, we offer comprehensive HVAC services tailored to your home’s needs. Our team specializes in energy-efficient heating and cooling systems, working with top brands like Armstrong, Daikin, Ducane, Burnham, Weil-McLain, and MagicPak. From new system installations to seasonal tune-ups, we ensure your HVAC system runs at peak performance year-round.

  • AC Installation, Repair & Maintenance
    Keep your home cool with expert air conditioner services in Barrington, IL.
  • Furnace & Boiler Services
    Reliable heating solutions, including furnace repairs, boiler replacements, and routine maintenance.
  • Mini-Split & High-Velocity Cooling
    Energy-efficient options like Daikin ductless mini-splits and Space Pak high-velocity AC systems.
  • Ducted Heat Pumps
    Dual heating and cooling systems that maximize energy savings.
  • MagicPak Systems
    Full-service installation, repairs, and maintenance for MagicPak heating and cooling units.

Never run out of hot water again with expert water heater installation, repair, and maintenance. We install and service State tank and tankless water heaters, ensuring energy-efficient and cost-effective solutions for your home.

  • Tank Water Heater Installation & Replacement
    Dependable hot water solutions for Barrington homeowners.
  • Tankless Water Heater Services
    Upgrade to on-demand hot water with an energy-efficient tankless system.
  • Water Heater Repairs & Maintenance
    Keep your system running smoothly with timely inspections and service.

Breathe easier with indoor air quality solutions designed to eliminate allergens, reduce pollutants, and maintain ideal humidity levels.

  • Air Filtration & Air Cleaners
    Remove dust and allergens with Aprilaire whole-home air filtration systems.
  • UV Lights
    Kill airborne bacteria and improve indoor air purity.
  • Humidifiers & Dehumidifiers
    Maintain optimal humidity levels with Aprilaire humidifiers and dehumidifiers.

In addition to residential HVAC, we provide light commercial heating, cooling, and refrigeration solutions. Our team designs, fabricates, and installs custom ductwork, ensuring optimized airflow and maximum system efficiency.

  • Ductwork Installation & Fabrication
    Custom airflow solutions for homes and businesses.
  • Commercial HVAC & Refrigeration
    Rooftop units (RTUs) up to 25 tons, commercial boilers, and system upgrades.

We understand that HVAC upgrades and water heater replacements are a big investment, which is why we offer flexible financing options and an exclusive Comfort Club Maintenance Plan.

  • Financing Options
    Low monthly payments and flexible terms for new HVAC systems and water heaters.
  • Comfort Club Maintenance Plan
    Annual inspections, priority scheduling, and exclusive repair discounts.

RJ’s Heating, Cooling & Water Heaters proudly serves Barrington, IL, and the surrounding communities, including:

  • Hoffman Estates, Schaumburg, Skokie, Oak Park, Park Ridge, Palatine, and more.
  • Northwest Chicago and nearby suburbs.

If you’re looking for trusted HVAC experts near you, we’re here to help!

872-274-4502   Schedule Today
RJ's Heating, Cooling & Water Heaters is your HVAC & water heating expert in Barrinton, IL RJ's Heating, Cooling & Water Heaters is your HVAC & water heating expert in Barrinton, IL RJ's Heating, Cooling & Water Heaters is your HVAC & water heating expert in Barrinton, IL
The Answers to Your FAQ's

Frequently Asked Questions About HVAC & Water Heater Services in Barrington, IL

General HVAC Questions

Regular HVAC maintenance should be performed twice a year—once before the cooling season (spring) and once before the heating season (fall). This ensures optimal performance, energy efficiency, and fewer unexpected breakdowns.

If your system is over 10-15 years old, requires frequent repairs, or struggles to maintain consistent temperatures, it may be time for a replacement. Our team can assess your unit and recommend the most cost-effective solution.

We work with top-rated brands, including Armstrong, Daikin, Ducane, Burnham, Weil-McLain, and MagicPak, ensuring reliable, high-quality heating and cooling systems for homes and businesses.

Yes! We provide 24/7 emergency HVAC repair in Barrington, IL, and surrounding areas. Whether it’s a broken AC in summer or a furnace failure in winter, we’re here to restore comfort fast.

Heating System Questions

The average lifespan of a gas furnace is 15-20 years with proper maintenance. Regular tune-ups help extend its lifespan and keep it running efficiently.

Common reasons include a dirty air filter, thermostat issues, pilot light problems, or a malfunctioning blower motor. Our technicians can diagnose and fix the issue quickly.

A furnace heats air and distributes it through ductwork, while a boiler heats water and provides radiant heat through radiators or baseboards. We install and service both Burnham and Weil-McLain boilers.

Cooling System Questions

A lack of cooling can be caused by low refrigerant levels, dirty coils, clogged filters, or an aging system. We offer AC repair, maintenance, and replacement to restore efficiency.

Ductless mini-splits, like Daikin systems, offer zoned cooling, energy efficiency, and easy installation without the need for ductwork. They’re great for additions, older homes, and commercial spaces.

For standard filters, replacement is recommended every 1-3 months. High-efficiency filters may last longer, but regular checks ensure better air quality and system efficiency.

Indoor Air Quality Questions

We offer Aprilaire air filtration systems, UV lights, and humidifiers to reduce dust, allergens, and bacteria, ensuring cleaner, healthier air in your home.

A whole-home humidifier balances indoor moisture levels, reducing dry air, static electricity, and respiratory discomfort, especially during Illinois winters.

Water Heater Questions

Tank water heaters provide a large supply of hot water, while tankless models (like State brand) offer on-demand hot water and greater energy efficiency. Our team can help you choose the right option.

A traditional tank water heater lasts 8-12 years, while a tankless system can last 15-20 years with proper maintenance.

Common signs include lukewarm water, strange noises, water leaks, or rusty water. If you notice any of these, contact us for fast water heater repair in Barrington, IL.

Service & Financing Questions

Yes! We provide flexible financing options so you can install a new furnace, AC, or water heater with low monthly payments.

We proudly provide HVAC and water heater services in Barrington, IL, and surrounding areas, including Skokie, Hoffman Estates, Palatine, Schaumburg, and Northwest Chicago.

Call RJ’s Heating, Cooling & Water Heaters today or contact us online to book a repair, installation, or maintenance service in Barrington, IL!

Schedule Your Service

Contact RJ's Heating, Cooling & Water Heaters Today!

For expert HVAC services in Barrington, IL, trust RJ's Heating, Cooling & Water Heaters for professional installation, repair, and maintenance. Whether you need AC repair, furnace replacement, water heater services, or an indoor air quality upgrade, our experienced team is ready to help.

Let's get started! Call us today or schedule your service online to experience top-rated HVAC solutions in Barrington, IL!

872-274-4502   Schedule Today

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