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 July 2026.
The most recent job was on July 2, 2026.
Deljo Heating, Cooling & Plumbing has completed 70 jobs in Skokie, IL in the last 12 months.
Job Locations and Reviews
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.
Responded to service call for AC unit not cooling properly with suspected refrigerant leak identified during home inspection. Performed comprehensive system diagnostic on residential split-system air conditioning unit. Conducted visual inspection of outdoor condenser unit, noting normal weathering consistent with age and proper installation on concrete pad with appropriate refrigerant line connections and electrical disconnect. Inspected copper refrigerant lines showing oxidation and surface patina typical of outdoor exposure. Examined evaporator coil and heat exchanger fins, observing dust and debris accumulation on surfaces. Assessed refrigerant distribution system components including U-bend copper tubing with visible discoloration and brass fittings displaying oxidation and mineral deposits. Documented equipment condition through photographic evidence for diagnostic purposes and pre-sale inspection records.
Completed routine HVAC maintenance agreement service on air conditioning system. Performed electrical diagnostics using testing meter to verify system operation and measured voltage and amperage at blower motor assembly. Inspected blower wheel and motor components, confirming proper mechanical condition and cleanliness of squirrel cage fan assembly with no visible debris accumulation or damage to blades.
Returned to property to install new supply grills in attic space as previously scheduled. Installed white rectangular return air grille with vertical slats on galvanized ductwork, secured with professional-grade tape to ensure proper seal. Per customer request, inspected outdoor condenser unit and evaluated existing concrete pad condition. Found significant debris accumulation around condenser including leaves, organic matter, and vegetation growth on pad surface. Documented extensive weathering, dark staining, and deterioration of concrete slab with photographic evidence. Pad appears undersized for current equipment and shows signs of prolonged moisture exposure with moss and weed growth throughout area. Provided customer with photos showing current conditions for review regarding potential pad upgrade and replacement options.
Completed full air conditioning system replacement including outdoor condensing unit and indoor evaporator coil. Removed existing equipment and installed new Carrier brand condenser unit on composite pad against exterior brick wall. Connected refrigerant lines, electrical service, and condensate drainage. Performed proper evacuation of refrigerant system, achieving vacuum level of 93 microns as verified with digital manifold gauge, ensuring system integrity and absence of moisture or contaminants. Energized system and confirmed proper operation of all components.
Returned to site to replace defective control board in HVAC system. Verified board replacement was necessary per customer request before proceeding with installation. Collected deposit, coordinated with parts department to order replacement control board, and documented existing wiring configuration and electrical connections for proper reinstallation.
Responded to callback for AC not cooling following recent maintenance visit. Upon arrival, inspected outdoor condensing unit and electrical connections. Verified unit operation, checked refrigerant pressures, and confirmed system is now cooling properly with no charge to customer as this was related to previous maintenance service.
Responded to no cooling complaint on commercial rooftop unit. Performed diagnostic assessment of non-operational RTU and conducted preventive inspection on secondary system to identify potential repair needs. Verified thermostat operation and documented system conditions with photographic evidence for customer records.
Performed routine HVAC maintenance agreement service. Replaced 16x20x1 air filter in system. Inspected condensate drain pan and safety float switch assembly, noting normal wear and operational condition. Verified thermostat operation showing system cooling properly with indoor temperature at 73°F and setpoint at 67°F. Confirmed programmable schedule active and fan set to auto mode. System operating within normal parameters. Documented equipment condition with photographs for service records.
Conducted comprehensive assessment of 22-year-old rooftop AC unit that was not operational. Performed measurements of existing ductwork system, documenting duct dimensions and clearances in attic space to prepare accurate specifications for full system replacement estimate. Evaluated current equipment configuration, accessibility, and structural conditions to determine scope of work required for complete HVAC system installation.
Completed comprehensive air conditioning maintenance agreement inspection including condenser coil examination, blower motor and wheel assessment revealing moderate dust accumulation on blower assembly, and indoor relative humidity testing at filter location registering 72.5°F. Verified refrigerant levels, cycled operating controls, inspected line voltage switch and wiring connections, confirmed proper condensate drainage, and examined refrigerant lines for leaks and insulation integrity. Installed 18x20x1 filter and documented all system components operating within normal parameters.
