
Homeowners in the “Village of Vision.” Skokie’s residential landscape is a unique mix of classic Chicago-style bungalows, mid-century ranches, and contemporary developments. This diversity requires an HVAC company in Skokie that is equally comfortable servicing a 1940s boiler as it is installing the latest smart-home integrated climate technology.
Since 1922, Deljo Heating, Cooling & Plumbing has been a mainstay for Skokie homeowners. Wherever in the community you live or what your needs are, our NATE-certified technicians deliver honest, high-quality HVAC and plumbing services in Skokie.
If you need help heating or cooling your Skokie home or business,
call us at 773-829-4295 to schedule an appointment.
Smart Cooling Solutions for Skokie Neighborhoods
Skokie’s summer weather can be punishing, with high humidity levels that demand more from an air conditioning system than just cold air. We specialize in AC services in Skokie that focus on total indoor air quality and moisture control, ensuring your home remains a sanctuary all summer long.
Our Skokie cooling specializations:
- Air Conditioner Repair: Rapid diagnostics and 24/7 support to restore cooling and dehumidification during heatwaves.
- Air Conditioner Installation: Expert sizing of modern AC systems that will reduce utility costs and improve home comfort.
- Ductless Air Conditioning: These silent, efficient systems are a perfect retrofit for Skokie bungalows with radiant heat, providing modern cooling without ductwork.
- Air Conditioner Maintenance: Precision tune-ups to extend your unit’s life and prevent seasonal breakdowns.
- Zone Control Systems: Specialized dampers and thermostats to balance temperatures in split-level and multi-story homes.

Reliable Heating Services in Skokie
When the winter wind picks up across the North Shore, your heating system becomes your home’s most critical line of defense. As a premier heating company in Skokie, we provide comprehensive heating services for every system type, ensuring your family stays warm through the harshest Illinois winters.
Our heating & furnace services in Skokie include:
- Furnace Repair: Prompt 24/7 furnace repairs in Skokie, addressing ignition failures, motor issues, safety sensor malfunctions, and more.
- Boiler Repair & Maintenance: We have the necessary technical knowledge to install, repair, and maintain boilers.
- Furnace Installation: We professionally install high-efficiency furnaces designed to provide maximum warmth with a smaller carbon footprint, replacing your old unit if necessary.
- Heat Pump Installation: Heat pumps are versatile, all-electric options that offer efficient heating and cooling in a single high-performance unit.
Trust our Skokie heating experts for everything from quick repairs to intensive system overhauls, all backed by over a century of experience.
Trusted Plumbing Services in Skokie
As a full-service plumbing company in Skokie, we provide the technical mastery needed to protect your home from water damage and ensure your fixtures operate flawlessly.
If you are looking for a licensed plumber in Skokie, our team offers:
- Sump Pumps: Installation of primary and battery-backup pumps to protect your basement from water intrusion caused by Skokie’s high water table.
- Sewer Line Services: We perform camera inspections and root clearing to prevent major main-line backups and property damage.
- Water Heaters: Expert plumbing services in Skokie for same-day repair or installation of tank and tankless models.
- Drain Cleaning: Advanced clearing of kitchen and bath lines to restore proper flow and hygiene.
Our knowledge of Skokie’s underground infrastructure and specific regional challenges allows us to handle plumbing jobs in the area with ease.
The Value of Local Expertise in Skokie
Skokie is famous for its mid-century modern aesthetic and the iconic bungalows that border the city of Chicago. However, these architectural styles present distinct HVAC challenges. For example, many homes in Skokie were built with heating systems that weren’t designed for modern high-efficiency cooling.
Standard AC services often overlook the “static pressure” issues found in older ductwork, which can lead to noisy operation and premature equipment failure. Our technicians are trained to calibrate airflow specifically for these older layouts.
Additionally, the area’s clay-rich soil tends to retain moisture, placing immense hydrostatic pressure on basements. We provide specialized flood control and sump pump configurations that account for these local geological factors.
24/7 Emergency Services in Skokie
We provide rapid-response emergency services in Skokie to mitigate property damage and restore your home’s essential safety. Our emergency HVAC service and emergency plumbing specialists remain on standby 24/7/365, arriving with the high-level diagnostic equipment and replacement parts required to fix the issue immediately. We prioritize our Skokie neighbors to ensure that no home is left without heat, cooling, or water for longer than necessary.
Schedule Your Plumbing or HVAC Services in Skokie Today
Our Gold Star Maintenance Program, our 104-year history of honesty, and our “fix it first” philosophy set us apart from other HVAC and plumbing companies that serve Skokie. We respect your property, your time, and your budget, delivering professional results without high-pressure sales tactics.
Call us today or contact us online to schedule your Skokie service today.
Recent Jobs and Reviews in Skokie, IL
Skokie, IL at a glance
Deljo Heating, Cooling & Plumbing has completed 20 jobs in Skokie, IL between April 2026 and June 2026.
The most recent job was on June 10, 2026.
Deljo Heating, Cooling & Plumbing has completed 70 jobs in Skokie, IL in the last 12 months.
Job Locations and Reviews
Responded to no cooling complaint on residential HVAC system. Upon arrival, confirmed unit was blowing warm air when thermostat set to cooling mode with display reading 91°F. Inspected indoor air handler components including blower motor, control board, and electrical connections, all of which appeared properly wired and in functional condition. Based on initial assessment of indoor unit showing no obvious electrical faults or mechanical issues, further diagnostic testing of outdoor condensing unit and refrigerant system would be required to isolate root cause of cooling failure.
Responded to callback for recently installed AC system not maintaining desired temperature setpoint. Inspected ductwork and air handler components, documented insulation liner condition and UL-listed foil tape applications at seams and joints. Verified air filter installation and condition, confirmed proper pleated media filter in place with clean airflow surface. System operational upon departure.
Conducted comprehensive evaluation of existing 20+ year old HVAC system located in attic utility space with confirmed refrigerant leak previously diagnosed by another contractor. Assessed cramped installation area with sloped ceiling and limited access for equipment removal and replacement considerations. Inspected current heating and cooling unit, blower assembly, copper refrigerant lines with service valves, and associated ductwork connections. Documented existing system configuration including electrical wiring, condensate drainage, and mechanical room plumbing components. Provided detailed estimate for complete HVAC system replacement including new air handler, condensing unit, refrigerant line set, electrical connections, thermostat, and all necessary accessories to restore reliable climate control operation.
Completed routine HVAC maintenance agreement service on split system including outdoor condensing unit and indoor air handler/furnace. Performed comprehensive system inspection, verified proper operation of all components, and documented equipment condition with photos showing outdoor unit positioned against brick wall with moss growth on surrounding surfaces and indoor equipment installation in utility closet with connected ductwork and piping.
Completed inspection of 8-year-old frost-free hose bib requiring replacement at residential property. Examined exterior wall-mounted fixtures on red brick facade and assessed interior plumbing access point. Documented existing hose bib condition, wall penetration location, and surrounding infrastructure including downspout proximity to replacement area.
Performed preventive maintenance on boiler system under service agreement. Removed and inspected inlet water filter screen, which showed debris accumulation. Cleaned filter component by soaking in solution to remove sediment and mineral deposits. Reinstalled filter with proper threading and verified secure connection. Inspected all associated plumbing connections, brass fittings, shut-off valves, and flexible supply lines for signs of wear or leakage. Confirmed system integrity and proper operation upon completion.
Completed routine HVAC maintenance agreement service on residential air handler system with condensate pump. Performed standard inspection of unit components, verified proper operation of drainage system and PVC piping connections, and confirmed condensate pump functionality. System operating within normal parameters upon completion of maintenance visit.
Completed air conditioning system installation in residential setting with one lead technician and one helper in half-day timeframe. Installed new air handler unit in utility closet with proper mounting and secured all electrical connections including control board with indicator lights and power supply. Ran and connected copper refrigerant lines with brass shut-off valves and installed filter-drier component in refrigerant circuit. Properly insulated suction line with foam insulation and secured all piping to exterior wall using cable ties for professional appearance and code compliance. Verified all connections, tested system operation, and confirmed proper functionality of all components.
Conducted comprehensive site assessment of residential plumbing system with original galvanized piping requiring conversion to copper. Inspected dual water heater installation in utility area, evaluating existing gas valve assemblies, ventilation configurations, and connection points. Assessed routing pathways through walls and ceiling cavities where existing black iron and galvanized supply lines will require replacement. Documented congested mechanical chase areas containing multiple utility runs that will need coordination during repipe execution. Photographed water heater setup including control mechanisms, brass fittings, and venting arrangements to ensure proper integration with new copper distribution system. Evaluated water filtration system requirements and optimal placement locations. Prepared estimate for complete galvanized-to-copper repipe project including water treatment system installation.
Performed routine HVAC maintenance agreement service on system with two condensers. Inspected control board and electrical connections within the unit, verifying proper wiring harness connections and component operation. Replaced two air filters: one 16x25x1 and one 14x25x1, removing old filters and installing new pleated media filters to maintain proper airflow and system efficiency.
Performed comprehensive site assessment for complete air conditioning system replacement at residential property. Evaluated existing outdoor condenser unit and measured installation space to determine equipment specifications and clearance requirements. Provided three-tier replacement options featuring Carrier AC systems with matching evaporator coils: Good tier offering up to 14 SEER nominal efficiency, Better tier with up to 17 SEER nominal efficiency, and Best tier achieving up to 19 SEER nominal efficiency.
Completed preventive maintenance agreement service on residential HVAC system including Carrier furnace and Bosch condenser unit. Performed comprehensive inspection of indoor air handler, verified proper operation of all mechanical components, and inspected outdoor condensing unit for proper airflow and clearances. Documented equipment condition with photos and confirmed system operating within manufacturer specifications per agreement terms.
Conducted comprehensive assessment of existing residential HVAC system for replacement estimate. Inspected and documented current air handler unit and ductwork configuration in mechanical space, measuring existing equipment dimensions and clearances to determine proper replacement unit sizing. Evaluated copper refrigerant lines, insulated piping, and rigid metal ductwork connections for compatibility with new system installation. Photographed existing equipment setup including vertical duct runs, flexible aluminum ducting, and current air handler positioning to ensure accurate replacement specifications. Assessed electrical connections, mounting locations, and accessibility for future installation work.
Completed cooling check, air conditioning general service, and maintenance agreement inspection. Verified thermostat operation and calibration, confirmed proper temperature display and control functionality. Inspected HVAC system components including Carrier humidifier unit, ductwork connections, refrigerant lines, and electrical wiring connections. All equipment operating within normal parameters, system maintaining proper temperature control and humidity levels.
Completed comprehensive air conditioning maintenance agreement inspection on outdoor HVAC system. Performed thorough examination of condenser coil for cleanliness and potential leaks, inspected blower motor and wheel for debris accumulation, and tested indoor relative humidity levels. Measured refrigerant levels and cycled all operating controls to verify proper functionality. Conducted electrical safety inspection including line voltage switch, wiring connections, and checked for any deterioration or loose connections. Inspected condensate drainage system for proper operation and verified refrigerant lines for visible leaks and insulation integrity. All components functioning within normal parameters upon completion of inspection protocol.
# HVAC Maintenance Agreement Service Completed comprehensive preventive maintenance inspection on residential air conditioning system. Performed electrical component evaluation including capacitor and contactor testing with proper voltage and amperage readings. Inspected and documented all electrical connections, refrigerant line sets, and outdoor condenser unit condition. All components found operating within manufacturer specifications. System tested and confirmed functioning properly upon completion of maintenance protocol.
Completed AC tune-up on outdoor unit located in patio closet with indoor air handler. Inspected air return vent and filter, which customer maintains regularly. Performed comprehensive system inspection including electrical components, capacitors, pressure gauges, blower motor assembly, and all wiring connections. Documented system condition with photos showing filter status and internal components in functional condition with normal dust accumulation.
# HVAC Service Report Responded to service call for Carrier furnace making loud noise during startup cycle. Upon arrival, confirmed system was powered off by homeowner. Performed complete system inspection and operational testing. Thermostat verified functioning properly in auto mode with heating setpoint at 68°F. Cycled furnace through multiple startup sequences to diagnose noise concern. Inspected blower assembly, inducer motor, and ignition components for mechanical issues or loose hardware. Checked all access panels and cabinet fasteners for vibration or rattling. Verified proper gas ignition sequence and burner operation. System restored to normal operation with no abnormal sounds detected during testing. Educated homeowner on normal operational sounds versus potential mechanical concerns requiring attention.
Completed commercial HVAC maintenance agreement service on air conditioning system. Inspected ductwork, electrical connections, and thermostat operation; confirmed system functional with thermostat displaying proper temperature readings. Note: CC AC 201 media filter replacement not included in this service visit, scheduled for fall general service.
Completed return visit to install compressor hard start kit and AC breakdown prevention components. Performed thorough blower wheel cleaning to remove accumulated dust and debris from squirrel cage fan assembly using power drill with brush attachment. Installed compressor saver capacitor to reduce startup amperage and extend compressor lifespan. Applied preventative maintenance measures to improve system efficiency and reduce risk of future breakdowns during peak cooling season.
