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 June 2026 and September 2026.
The most recent job was on September 5, 2026.
Job Locations and Reviews
Responded to service call for non-operational combined furnace/air conditioning heat pump system. Performed diagnostic inspection of 3-year-old Alpha X system with outdoor unit at ground level and main indoor unit located in basement. Accessed basement equipment via ladder and inspected ductwork, electrical connections, and system components. Documented system configuration including exposed metal ductwork and structural elements through photographic evidence for service records.
Responded to no cooling call on recent installation. Upon arrival, found thermostat powered on but system not operating. Diagnosed issue as improper wiring connection at thermostat causing communication failure between thermostat and outdoor unit. Corrected wiring terminations per manufacturer specifications, verified proper voltage at all connection points, and tested system operation through complete cooling cycle. Unit now cooling properly with all functions operating as designed.
Responded to kitchen sink drainage issue with slow water flow. Accessed plumbing system through under-sink cabinet and inspected P-trap assembly, drain connections, and supply lines. Cleared obstruction from drain line, restoring proper water flow and drainage function. Verified all connections secure with no active leaks present. Documented existing sink staining and cabinet water marks from previous moisture exposure, though no current water damage observed. System tested and confirmed operational upon completion.
Completed installation of new air conditioning unit and evaporator coil in residential basement location. Utilized existing refrigerant line set, performed vacuum test to verify system integrity and confirm no leaks present. Two-technician crew completed work in approximately six hours. System operational and tested at completion, with temperature readings confirming proper functionality.
Returned to property to complete blower motor replacement on HVAC system. Removed failed blower motor assembly and installed new replacement unit. Reconnected all electrical wiring to proper terminals on control board, secured connections, and verified capacitor functionality. Tested system operation to confirm proper blower function and airflow.
Responded to no cooling call on brand new AC system found completely off. Upon inspection, traced issue to tripped breaker at electrical panel serving furnace and AC system. Reset breaker, verified proper voltage supply, confirmed all safety controls operational, and restored system to normal cooling operation with all components functioning as designed.
Completed cooling check on one air conditioning system as part of scheduled maintenance agreement. Inspected evaporator coil and found significant discoloration, staining, and accumulated dirt buildup between fins, indicating need for future cleaning to maintain optimal heat transfer efficiency. Performed diagnostic temperature measurements using infrared thermometer to verify system operation and cooling performance.
Completed preventative maintenance agreement service on residential HVAC system including furnace and air conditioning unit. Performed comprehensive inspection of furnace unit, air handler, condensate drainage system with PVC piping, electrical connections and controls, and associated ductwork. All equipment found to be operating within normal parameters with proper venting and drainage confirmed.
Provided comprehensive estimate for complete air conditioning system replacement on 13-year-old residential unit. Evaluated existing outdoor condenser unit currently installed on concrete pad adjacent to building exterior, along with associated electrical infrastructure including disconnect boxes and existing thermostat system. Recommended full system replacement due to age and declining efficiency of current equipment.
Responded to callback for newly installed AC system not maintaining temperature below 80°F. Upon inspection, discovered severely corroded copper refrigerant line at evaporator coil with visible rust and oxidation damage. Identified improper installation practices from recent system replacement, including compromised refrigerant piping and potential leak points affecting system performance. Documented conditions with photos showing corroded copper line, evaporator coil assembly, and drain pan area. Recommended immediate refrigerant line replacement and system leak testing to restore proper cooling capacity.
Performed comprehensive assessment of failed outdoor condensing unit for full system replacement. Documented existing equipment dimensions and specifications, measuring 50-60 inch diameter fan assembly on weathered exterior unit with accessible ground-level placement. Evaluated indoor air handler components and ductwork configuration, taking measurements of existing insulated refrigerant lines and mechanical connections in crawl space area. Provided detailed estimate for complete HVAC system replacement including new outdoor condensing unit, indoor air handler, refrigerant line set, and associated electrical connections to restore cooling capacity.
Responded to no cooling complaint on 4-year-old AC system in apartment unit. Upon arrival, encountered severely restricted access to equipment due to extremely narrow mechanical space with limited clearance around air handler. Documented space constraints with measurements and photographs showing concrete block enclosure with minimal working room. Due to physical access limitations preventing standard service procedures, coordinated technician reassignment to complete necessary diagnostics and repairs with personnel better suited for confined space work.
Responded to callback for newly installed system experiencing freezing issues and high static pressure drop across evaporator coil. Inspected sheet metal coil pan and discovered airflow restriction causing inadequate air movement through the coil. Documented existing conditions with photos of indoor coil assembly and outdoor condensing unit. Verified system installation and identified source of performance issue related to ductwork configuration at coil pan.
Responded to callback for coil freezing issue on recently installed AC-only system. Performed diagnostic inspection of furnace blower operation using multimeter and borescope camera to assess airflow and internal ductwork conditions. Investigated potential airflow restrictions at filter housing and humidity control unit, documenting system configuration and internal duct conditions for further analysis of inadequate air circulation causing coil freeze-up.
Performed inspection of rooftop unit serving theater space to assess serviceability and determine refrigerant type for potential maintenance agreement enrollment. Accessed RTU on flat membrane roof using telescopic ladder, documented thermostat location and current settings showing 67°F in cooling mode, and photographed equipment specifications including refrigerant data plate information. Confirmed unit is serviceable and provided recommendations for ongoing maintenance program eligibility.
Completed warranty callback to relevel outdoor condensing unit and install proper equipment pad. Upon arrival, verified unit was out of level and sitting on deteriorated concrete pad. Added new composite equipment pad beneath unit, repositioned condenser to ensure proper levelness using precision level across top of unit, and confirmed stable installation. Verified unit operation and left equipment level and properly supported per manufacturer specifications.
Completed comprehensive AC clean and check maintenance agreement on 18-year-old air conditioning system. Primary focus was condenser coil cleaning due to heavy dust accumulation from gravel alley exposure in shared mechanical room housing multiple units with open walls. Utilized cordless pressure washer to thoroughly clean condenser coil of accumulated debris. Inspected evaporator coil assembly, noting copper refrigerant lines in good condition with normal patina. Replaced air filter showing moderate dust loading. Inspected newer furnace unit, confirmed proper operation. System operational upon completion.
Completed comprehensive condenser coil cleaning on CC 1 outdoor unit and successfully replaced REME-HALO UV bulb as part of scheduled maintenance agreement. Installed 16x25x1 filter and verified proper UV light operation with airflow indicator functioning correctly.
Conducted site assessment for rooftop unit replacement on commercial building. Documented existing weathered RTU showing significant age-related deterioration, rust staining, and surface corrosion on metal exterior panels. Inspected rooftop conditions including metal panel construction and evaluated accessibility for equipment replacement. Also assessed basement mechanical room housing Carrier furnace unit with associated PVC ventilation piping and ductwork to determine scope of potential additional HVAC system work. Provided comprehensive photographic documentation of both rooftop and basement equipment for replacement quote preparation.
Performed diagnostic testing on HVAC system electrical components and installed surge protector device to safeguard equipment from voltage spikes and power surges. Accessed system control compartment, verified proper wire connections and voltage readings using digital multimeter, and completed installation with all safety protocols observed.
