When you need reliable HVAC or plumbing service in River Forest, IL, Deljo Heating & Cooling is here for you. With over 100 years of experience, we deliver trusted heating, cooling, and plumbing solutions to homeowners throughout River Forest and surrounding communities. Whether you need a River Forest heat pump tune-up, air conditioning installation, or an emergency plumber, our expert technicians are ready to help, day or night.
Your Full-Service HVAC & Plumbing Partner in River Forest
At Deljo Heating & Cooling, we pride ourselves on providing comprehensive home comfort services, backed by 5-star reviews, special financing options, and a commitment to customer satisfaction. Our team is dedicated to offering tailored solutions that meet the unique needs of every customer. From routine maintenance to emergency repairs, we are here to ensure your home stays comfortable and safe.
Heating & Cooling Services
Our team of certified HVAC technicians delivers a full range of heating and cooling services to keep your home comfortable year-round. With extensive knowledge of the latest systems and technology, we are well-equipped to handle any HVAC challenge that comes our way. Here are some of the services we provide:
- Heat pump tune-ups
- Seasonal maintenance for all HVAC systems
- Air conditioning installation
- Furnace repairs and new installations
- Indoor air quality solutions
We invite you to further explore our cooling and heating services. No matter the season, you can trust Deljo Heating & Cooling to keep your home comfortable and efficient.
Plumbing Services
In addition to our HVAC expertise, we offer comprehensive plumbing services to address every need in your home. Our skilled plumbers bring years of experience and a commitment to quality workmanship. Whether it’s a minor repair or a major emergency, you can count on us for the following services:
- Professional drain cleaning in River Forest
- Water heater installation and repairs
- Pipe and fixture replacements
- Comprehensive plumbing inspections
- Fast-response emergency plumber services
Learn more about our full range of plumbing services, including specialized emergency plumbing. We are ready to help protect your home from unexpected plumbing problems.
Schedule Your Service in River Forest, IL
Our experienced River Forest HVAC technicians and plumbers proudly serve River Forest, IL, and nearby Chicagoland communities. Whether you’re dealing with an HVAC breakdown, a plumbing emergency, or simply planning an upgrade, Deljo Heating & Cooling has the expertise and dedication to get the job done right. Ready to get started? Contact us today for a free estimate or to schedule your service.
Frequently Asked Questions for River Forest, IL
How often should I schedule a heat pump tune-up in River Forest?
We recommend a professional tune-up at least once a year to maintain energy efficiency and system longevity.
How quickly can I get an emergency plumber in River Forest?
We offer 24/7 emergency plumbing services, with fast response times for urgent plumbing issues.
What are the benefits of installing a new air conditioner in River Forest, IL?
Air conditioning installation in River Forest, IL, improves energy efficiency, lowers utility costs, and enhances indoor comfort, especially during Chicago’s hot summers.
Do you offer financing for HVAC or plumbing services?
Yes! We provide special financing options to make your project more affordable.
Recent Jobs and Reviews in River Forest, IL
River Forest, IL at a glance
Deljo Heating, Cooling & Plumbing has completed 18 jobs in River Forest, IL between February 2026 and May 2026.
The most recent job was on May 22, 2026.
Job Locations and Reviews
Completed preventive maintenance agreement service on residential HVAC system. Inspected indoor air handler unit and identified mineral deposit buildup and corrosion on metal mounting channel requiring monitoring. Replaced 16x25x1 air filter. Proceeded to outdoor condenser unit where coils showed significant dirt and debris accumulation affecting heat transfer efficiency. Cleaned condenser coils and fins to restore proper airflow and system performance. Verified condensate drain line functionality and checked all electrical connections. System operational upon completion with improved airflow and heat exchange capacity.
Completed National Grid Services clean and check maintenance on two air conditioning systems and one Carrier furnace unit. Performed comprehensive inspection of all equipment, replaced air filter on furnace, verified proper operation of heating and cooling systems, and documented equipment condition with photos per service agreement requirements.
Completed on-site assessment for boiler replacement estimate at residential property. Inspected existing hydronic heating system including aged boiler equipment, pressure tank with brass fittings and red-handled isolation valve, and corroded distribution piping showing significant oxidation. Evaluated Caleffi zone actuator with end switch controlling attic zone, confirmed operational wiring connections, and documented multi-zone heating configuration. Photographed mechanical room infrastructure including exposed joists, white painted brick walls, and deteriorating pipe conditions to determine proper equipment sizing and installation requirements. Provided recommendations for new boiler system replacement based on current heating load, zone control needs, and existing piping layout.
Completed comprehensive maintenance service on three air conditioning systems and electronic air cleaners as part of preventative maintenance agreement. Performed thorough inspection of all units including the Lifebreath air handling system, verified proper operation of ductwork connections and ventilation components, and conducted temperature differential measurements across system components. All equipment found operating within normal parameters with supply air temperature reading 49.5°F, confirming adequate cooling performance and system efficiency.
Completed HVAC estimate appointment for full system replacement of 23-year-old air conditioning unit and furnace. Accessed attic space via ceiling hatch to inspect existing equipment, ductwork, and installation conditions. Documented current system configuration, attic insulation levels, flexible duct routing, chimney clearances, and structural framing to determine replacement equipment specifications and installation requirements.
Responded to service call for battery backup sump pump system displaying error code and audible alarm despite recent battery replacement. Upon arrival, performed comprehensive inspection of 6-year-old sump pump installation including primary pump unit, backup battery system, control panel, discharge piping, and sump pit assembly. Examined electrical connections, tested float switch operation, and evaluated PVC discharge line routing and check valve functionality. Inspected battery backup control module mounted on wall, verified cable connections, and assessed monitoring display readings. Documented existing installation configuration including pit location, pump mounting, and associated plumbing components to determine root cause of system malfunction and provide recommendations for repair or replacement.
Completed comprehensive maintenance agreement service on three air conditioning systems. Performed standard inspection, testing, and preventive maintenance procedures on all three units. Customer expressed interest in obtaining a generator system for future consideration.
Successfully installed two Ecobee smart thermostats as part of warranty service, with both units confirmed operational and displaying proper temperature readings. Additionally, installed complimentary wet switches at both the upstairs and downstairs furnace units to provide overflow protection.
Responded to call for no hot water issue with tanked water heater system. Upon inspection of the basement utility area, diagnosed faulty heating element and replaced it. System was tested after repair and is now functioning properly with appropriate hot water output.
Successfully replaced two zone valve bodies in the multi-zone hydronic heating system, which required draining and refilling the system. Verified proper operation of all ten zone valves and confirmed the Navien boiler was functioning correctly after service completion.
Responded to callback for recently installed Ecobee thermostat experiencing no-heat condition. Diagnosed system issue where thermostat was continuously rebooting, preventing proper communication with the HVAC equipment. Corrected wiring connection at the control board and performed system test to verify proper heating function and thermostat stability.
Successfully completed removal of existing boiler system and installed new residential boiler unit in basement utility area. Installation included proper connection of all copper supply and return lines, pressure testing of the system, and verification of all valves and fittings. System was mounted on concrete pad with appropriate clearances and connected to existing hot water heater.
Completed warranty service call for dual Carrier A/C system installation. Verified proper installation of two outdoor condensing units on concrete pads with appropriate clearances and electrical connections. Confirmed indoor air handler installation in attic space with proper ductwork, drainage, and venting systems. All units operational with manufacturer specifications.
Diagnosed heating system issue affecting select radiators. Inspected dual thermostat configuration (Carrier and Invensys models) and identified faulty Taco zone valve. Replaced zone valve to restore proper heat distribution throughout the home.
Inspected 30-year-old Weil McLain boiler exhibiting electrical malfunctions in relays and controls, along with air entrapment issues in distribution lines. Documented system condition including worn Enhanced Air Separator (Model EAS, 1-1/4", 150 PSI max) and circulation pump assembly. Recommended complete boiler replacement and installation of additional air vents to address persistent system problems.
Responded to callback for heating system not shutting off. Inspected thermostat wiring connections and control board terminal connections. Identified and corrected improper wire terminations at the smart thermostat that were causing continuous heat call.
Installed new ecobee smart thermostat as requested by customer. Verified operation and confirmed temperature calibration, noting a 2.8°F differential between thermostat reading (72°F) and calibrated PDT650 digital thermometer (74.8°F). System functioning properly with thermostat maintaining set temperature of 68°F in "Holding" mode.
Completed full HVAC system replacement including dual furnace units, condensers, evaporator coils, and thermostat. Installation included proper electrical connections in the utility space and exterior component mounting against the brick wall structure. All systems were tested and verified operational with appropriate insulation and weatherproofing applied to exposed components.
