Since 1922, Deljo Heating, Cooling & Plumbing has been a cornerstone of home comfort in the Chicago area. We are proud to serve the Park Ridge community from two convenient local hubs, bringing a century of expertise directly to your neighborhood. Whether you live in a historic Georgian near the Pickwick Theatre or a modern estate near the Country Club, our expanded local presence ensures faster response times and precision service for your home’s most critical systems.
Our NATE-certified technicians understand that Park Ridge homes require specialized care. From handling the unique venting requirements of vintage residences to installing high-efficiency systems in new constructions, we tailor our HVAC and plumbing recommendations to your home and budget.

Our HVAC Services in Park Ridge
Park Ridge residents experience the full intensity of the Great Lakes climate, from sub-zero winter blasts to the heavy humidity of July. As a premier HVAC company in Park Ridge, we provide comprehensive HVAC services designed to keep your indoor air quality high and your energy bills low.
Comprehensive Heating & Furnace Services in Park Ridge
When the temperature drops, you need a heating company in Park Ridge that understands the urgency of a failing system. We specialize in all forms of heating services in Park Ridge, ensuring that whether you have a modern forced-air system or a vintage radiator setup, your home remains a sanctuary.
Our local expertise includes:
- Furnace Repair: We provide 24/7 diagnostic support to resolve ignition issues, motor failures, and thermostat malfunctions.
- Furnace Installation: As a top furnace company in Park Ridge, we help you select and install high-efficiency units that thrive in Chicago’s climate.
- Furnace Maintenance: Our seasonal tune-ups prevent mid-winter breakdowns and extend the life of your equipment.
- Boiler Repair: Many Park Ridge homes rely on boiler systems, and we are experts in the specialized plumbing and pressure requirements these units demand.
- Heat Pump Installation: For homeowners seeking an energy-efficient HVAC system, we provide advanced heat pump solutions that provide both heating and cooling.
Whether you need a quick repair or a complete system overhaul, our team arrives with the tools and parts necessary to get the job done right the first time.
Expert AC Services in Park Ridge
Summer in Park Ridge can be unforgiving. That’s why you need a reliable AC company in Park Ridge on your side. At Deljo, we offer a full suite of AC services to keep your home cool and dehumidified throughout the summer.
Our cooling solutions include:
- AC Repair: We diagnose and fix refrigerant leaks, frozen coils, and compressor issues on all major brands.
- AC Installation: We size your new system based on your home’s specific square footage and insulation levels.
- AC Maintenance: Regular AC maintenance will ensure your air conditioner runs effectively and as cheaply as possible.
By prioritizing airflow and mechanical precision, we help Park Ridge homeowners avoid the common “hot spots” often found in the community’s multi-story historic homes. Our goal is to provide cooling solutions that deliver maximum comfort with a minimal environmental footprint.
Park Ridge Plumbing Services
As a leading plumbing company in Park Ridge, Deljo handles everything from minor leaks to complex sewer line replacements. If you are looking for a reliable plumber in Park Ridge, our team offers the technical proficiency required for the area’s unique infrastructure.
Our plumbing services in Park Ridge, which cover your entire home, include:
- Water Heaters: We install and service both traditional tank water heaters and high-efficiency tankless water heater models.
- Drain Cleaning: Our Park Ridge Plumbers clear stubborn clogs using professional-grade tools that protect your pipes.
- Sump Pumps: Park Ridge’s geography and soil composition make it one of the most flood-prone suburbs, making a reliable sump pump essential.
- Sewer Lines: Expert camera inspections and repairs will ensure your sewer lines are clear of roots and debris.
- Fixture Installations: We install everything from high-end kitchen faucets to modern bathroom showerheads, ensuring a watertight fit every time.
We understand that Park Ridge’s “hard” water can be tough on plumbing fixtures and appliances over time. Our technicians provide preventative solutions and repairs that help you avoid the costly damage caused by mineral buildup and aging pipes.
Available for 24/7 Emergency HVAC and Plumbing Services
That is why Deljo provides robust emergency services in Park Ridge for both HVAC and plumbing crises. Whether your furnace quits during a January polar vortex or a pipe bursts in the middle of the night, our local dispatchers are ready to help.
Our 24/7 emergency response capabilities include:
- Emergency HVAC Service: We restore heat or cooling immediately to protect your home’s safety and comfort.
- Emergency Plumbing: We stop major leaks and clear severe backups before they cause structural damage.
We arrive at your door with fully stocked vehicles, aiming to resolve your HVAC or plumbing emergency on our first visit.
Why Choose Deljo for Your Park Ridge Plumbing and HVAC Services?
At Deljo, all of our technicians will treat your property with the respect it deserves. Every installation we perform is clean, quiet, and code-compliant. Other reasons Park Ridge homeowners choose us for HVAC and plumbing services include:
- 100-Year Legacy: We have served local families for generations and stand behind every job we perform.
- Transparent Pricing: We provide clear, upfront estimates so there are never any surprises on your final invoice.
- Goldstar Maintenance Program: Members enjoy priority scheduling, annual system safety checks, and exclusive discounts.
By choosing Deljo, you are partnering with a company that values long-term relationships over quick fixes. We are invested in the Park Ridge community and dedicated to keeping our neighbors comfortable all year long.
Schedule Your HVAC or Plumbing Services in Park Ridge Today
Ready to experience a higher standard of home comfort? Whether you need immediate repairs, a routine maintenance check, or a quote for a new system, we are standing by to assist you. Call us or contact us online to schedule your service in Park Ridge today!
Recent Jobs and Reviews in Park Ridge, IL
Job Locations and Reviews
Provided comprehensive HVAC system replacement estimate for small residential application in basement installation, presenting three-tier Carrier equipment options. Better tier included up to 14 SEER air conditioning unit paired with up to 95% AFUE natural gas furnace. Best tier featured up to 17 SEER cooling system with up to 96% AFUE gas furnace for improved efficiency. Premium tier offered up to 19 SEER air conditioner combined with up to 98% AFUE high-efficiency gas furnace for maximum energy savings. Documented existing system configuration including PVC venting penetrations, internal blower assembly, electrical connections, and ductwork interface to ensure proper equipment sizing and installation planning for complete heating and cooling system replacement.
Completed routine maintenance on residential air conditioning system. Inspected outdoor condenser unit, noting vegetation accumulation around base and white residue on exterior panels; cleared debris and verified proper airflow through coil fins. Measured system temperatures at indoor air handler, confirming proper operating temperatures at 83.8°F. Unit operating within normal parameters with no mechanical issues identified.
Completed estimate for mini split system replacement. System found with no refrigerant charge and insufficient electrical line length requiring correction. Documented existing wall-mounted indoor unit installation and measured clearances for proper equipment sizing and replacement planning.
Completed annual preventative maintenance rodding of the front main drain line. Accessed cleanout on property, successfully cleared line of debris accumulation, and verified proper flow. No obstructions or damage detected during service.
Completed replacement of first-floor air conditioning system and evaporator coil. Installed new indoor coil assembly above existing furnace with proper plenum connections and secured all refrigerant line sets along exterior brick wall to outdoor condensing unit. Verified all electrical connections, tested system operation, and confirmed proper airflow through ductwork.
Responded to no cooling complaint on Magic-Pak unit over 10 years old. Upon arrival, verified unit was blowing warm air with temperature measurements at supply grille confirming lack of cooling. Accessed unit through interior closet and performed diagnostic evaluation of system components. Documented equipment condition with photos showing unit configuration and temperature readings for service records.
Responded to service call for 10-year-old mini split system with no power condition. Upon arrival, inspected outdoor condensing unit and electrical components mounted on exterior brick wall. Found electrical disconnect switch in OFF position. Verified proper wiring connections at disconnect box, confirmed all conductors were secure and properly terminated. Reset disconnect switch to ON position and restored power to system. Tested unit operation and confirmed condenser fan motor engaged properly and system powered on successfully. Verified electrical connections at outdoor unit were tight and secure. System returned to normal operation with no further issues observed.
Performed comprehensive system evaluation of existing residential HVAC unit estimated at 10-15 years of age. Assessed current operational status, accessibility for replacement, and documented existing equipment configuration including air handler, ductwork, thermostat, and refrigerant lines. Provided customer with full system replacement estimate based on equipment age and operational assessment.
Completed full HVAC system replacement including furnace, evaporator coil, humidifier, and air conditioning condenser unit. Removed existing equipment and installed new furnace with matching evaporator coil in indoor air handler location. Integrated whole-home humidifier into ductwork for enhanced comfort control. Replaced outdoor AC condensing unit on existing concrete pad, connecting refrigerant lines and electrical service. Verified proper system operation using dual port manometer to measure gas pressure readings at 148 and 140 units on ports P1 and P2 respectively. All components tested and confirmed operational. Two-technician installation completed in single day. System commissioned and ready for service.
Replaced condenser unit under warranty coverage. Upon completion, inspected air return vents and documented existing dust accumulation on grille louvers for homeowner awareness. System operational and functioning within manufacturer specifications.
Conducted comprehensive heating system replacement estimate for 16-year-old furnace. Evaluated existing HVAC infrastructure including dual outdoor condenser units and indoor climate control system. Documented current equipment condition, system configuration, and thermostat setup with photographic evidence to provide accurate replacement recommendations and specifications.
Responded to callback for condensate drain issue on recently installed unit where water was shooting from condensate pipe. Upon inspection, discovered improperly sized or connected PVC condensate drain line causing water discharge problem. Corrected condensate drain piping configuration, ensuring proper slope and secure connections with appropriate primer and cement application. Verified condensate system now draining properly without leaks or water discharge issues.
Responded to no cooling complaint on 10+ year old AC system. Upon inspection, found significant ice accumulation on refrigerant lines and insulation in indoor unit area, indicating restricted airflow or low refrigerant charge. System was making abnormal noise during operation. Inspected outdoor condensing unit and verified proper drainage system operation with PVC condensate lines functioning as designed. Heavy frost buildup on suction line confirmed cooling system malfunction requiring immediate attention to prevent compressor damage.
Replaced 20-year-old residential air conditioning system and 18-year-old furnace due to failed evaporator coil and complete refrigerant loss in obsolete R22 system. New HVAC equipment installed in basement mechanical room with updated condensate drainage system and exterior condenser unit positioned against brick exterior wall with proper electrical disconnect and refrigerant line routing.
Responded to no cooling complaint on one-year-old system experiencing inadequate cooling from 3:00 PM through 9:30 PM daily. Performed diagnostic testing of supply air temperatures at ceiling register, recording measurements to verify cooling output. Inspected attic ductwork and identified issues with flexible duct installation showing signs of deterioration and inadequate insulation coverage. Measured supply air temperature at duct run reading 23.7°F temperature differential, indicating potential airflow restriction or heat gain through compromised duct insulation. Documented conditions with photos for further evaluation and recommended ductwork remediation to resolve afternoon cooling deficiency.
Responded to warranty call for recently installed AC unit not cooling properly on third callback. Diagnosed system as overcharged with refrigerant, causing inefficient cooling operation. Coordinated with customer to schedule complete refrigerant recovery, proper system evacuation, and precise refrigerant recharge by weight to manufacturer specifications. Verified supply air temperature at 55.4°F and documented attic installation conditions. System requires proper refrigerant charge correction to restore optimal cooling performance and efficiency.
Responded to no-cool complaint on 15-year-old air conditioning system where operation caused electrical buzzing at fuse box, creating potential fire hazard. Upon arrival, performed visual inspection of indoor air handler and outdoor condensing unit. Noted no visible refrigerant leaks, physical damage, or obvious electrical issues at equipment. Connected manifold gauge set to service ports and recorded system pressures. Inspected evaporator coil, condensate drain system with PVC drainage lines, and associated ductwork in attic space. Evaluated electrical connections at air handler control box and wiring integrity. Based on age of equipment and electrical safety concerns at main panel, recommended system replacement due to potential compressor or electrical component failure causing excessive amperage draw. Advised customer to keep system off until repairs completed to prevent fire risk. Documented conditions with photos of air handler installation and pressure readings for records.
Returned to property to address exterior wall penetration from previous HVAC installation. Patched hole in brick wall where condensate drain line passes through exterior surface. Verified proper sealing around black corrugated drainage pipe and white PVC elbow fitting to prevent water intrusion and maintain building envelope integrity. Documented completed work with photos showing vertical drain line installation along brick facade and proper connection of drainage components.
Completed comprehensive replacement estimate for residential air conditioning system. Existing system utilizes R22 refrigerant and is over 15 years old, with outdoor condensing unit positioned at ground level showing significant rust and weathering on protective enclosure, and indoor air handler/furnace located in basement utility area with vertical ductwork configuration. Assessed equipment condition, measured installation parameters, documented current system layout including refrigerant line routing and electrical connections, and photographed both indoor and outdoor components to provide accurate replacement specifications and pricing options for modern high-efficiency equipment upgrade.
Responded to third callback for recently installed AC unit not cooling properly. Performed diagnostic testing using infrared thermometer to measure supply air temperature at ceiling register, which indicated inadequate cooling performance. Inspected and evaluated return air filter condition and airflow measurements across the system. Documented equipment readings and filter assembly for quality assurance and warranty purposes.
