Best HVAC Contractors in Illinois

Known for transparent pricing and EPA-certified technicians, Browns Heating & Cooling serves both residential and commercial clients with heating and air conditioning repairs, installations, and maintenance. Customers appreciate their prompt, professional service and clear communication, though a few note pricing discussions after service. The team handles all makes and models with care.

Baethke Plumbing brings three generations of experience to repairs and installations, serving both homeowners and businesses with upfront communication. Their team handles everything from water heater replacements to sump pump issues, often praised for clear explanations and professionalism. Some customers note pricing can be higher than expected, but many appreciate their timely and… more...

Baethke Plumbing brings three generations of experience to repairs and installations, serving both homeowners and businesses with upfront communication. Their team handles everything from water heater replacements to sump pump issues, often praised for clear explanations and professionalism. Some customers note pricing can be higher than expected, but many appreciate their timely and knowledgeable service.

With over 40 years of experience, STS Electric offers 24/7 emergency electrical services for residential, commercial, and industrial needs. Their licensed electricians handle repairs, panel upgrades, lighting installations, and EV charger setups. Customers appreciate their quick response, clear communication, and fair pricing, though some have noted concerns about professionalism.

AL’s Cooling & Heating offers 24/7 service with licensed and insured technicians focused on honest, upfront pricing and guaranteed work. They handle everything from new installations to last-minute repairs and routine maintenance. Customers appreciate their responsiveness, straightforward approach, and efforts to fix problems economically without unnecessary upselling.

Lair Mechanical LLC is a dependable HVAC Contractor in Bethalto, IL, delivering reliable heating and cooling services backed by strong local reviews. We install and service furnaces, air conditioners, heat pumps, and ventilation systems to improve comfort and energy efficiency. Furthermore, we offer a top-notch Air Conditioning Repair Service in Bethalto, IL, to restore cooling performance… more...

Lair Mechanical LLC is a dependable HVAC Contractor in Bethalto, IL, delivering reliable heating and cooling services backed by strong local reviews. We install and service furnaces, air conditioners, heat pumps, and ventilation systems to improve comfort and energy efficiency. Furthermore, we offer a top-notch Air Conditioning Repair Service in Bethalto, IL, to restore cooling performance quickly during hot summer months. Diagnosing issues accurately and recommending practical options, we help reduce utility costs, extend equipment life, and maintain consistent indoor temperatures year-round. Whether addressing refrigerant issues, airflow problems, or system breakdowns, contact us today to restore comfort without unnecessary replacements.

Known for offering a range of plumbing, heating, cooling, and electrical services, Precision Today provides both installations and repairs. Customers appreciate clear communication and professional assessments from the technicians, though some note occasional scheduling and pricing concerns. The team works to keep clients informed and comfortable throughout the process.

Pruitt Mechanical Services offers 24/7 emergency HVAC and electrical support, with technicians known for clear explanations and practical advice. They handle heat pump repairs, electrical panel installations, and preventive upgrades, earning praise for prompt, polite service. Some customers have noted higher prices and occasional communication issues.

Global Heating and Cooling | HVAC is ranked in the top ten list due to exceptional service responsiveness, effective communication, and professional technicians. Customers mention the helpful approach and diverse options for HVAC repairs by Karol and Kamil, who communicate everything comprehensively and charge fairly without pressure. Global is lauded for its urgent service, such as an emergency… more...

Global Heating and Cooling | HVAC is ranked in the top ten list due to exceptional service responsiveness, effective communication, and professional technicians. Customers mention the helpful approach and diverse options for HVAC repairs by Karol and Kamil, who communicate everything comprehensively and charge fairly without pressure. Global is lauded for its urgent service, such as an emergency on a chilly Sunday. Customers commend the outstanding HVAC installation, solid maintenance, and quick fixes, such as completing HVAC installations in two days or troubleshooting in 20 mins. The combination of outpatient care and close communication support the decision to interview Global.

Known for clear communication and upfront explanations, Chicago Comfort HVAC Services offers furnace and AC installation, repair, and maintenance with a focus on professionalism and punctuality. Customers appreciate the team’s thoroughness, affordable pricing, and respectful work habits, though a rare scheduling mix-up has been mentioned.

Hero Air offers fast, transparent HVAC repair and maintenance with clear communication and upfront scheduling. Their technicians handle everything from furnace and boiler check-ups to central AC repairs, often resolving issues quickly and explaining the work in simple terms. Customers appreciate their punctuality and honest service, though availability can vary.

Known for quick response and straightforward service, Chicago Heating & Cooling handles furnace repairs, installations, and HVAC maintenance with a focus on efficiency and clear communication. Customers appreciate the team’s friendly approach and fair pricing, though a few note challenges reaching the company after certain installations.

With over 90 years of experience, Deljo Heating & Cooling offers reliable heating and cooling services to both residential and commercial clients. Their technicians handle installations, repairs, and maintenance with professionalism and clear communication. Customers appreciate their responsiveness, friendly approach, and thorough explanations, though some issues may require multiple visits to… more...

With over 90 years of experience, Deljo Heating & Cooling offers reliable heating and cooling services to both residential and commercial clients. Their technicians handle installations, repairs, and maintenance with professionalism and clear communication. Customers appreciate their responsiveness, friendly approach, and thorough explanations, though some issues may require multiple visits to resolve.

Known for clear communication and same-day responsiveness, Shavitz Heating and Air Conditioning handles heating and cooling installation, repair, and maintenance with care and professionalism. Customers appreciate the team’s thorough explanations and willingness to go the extra mile, though occasional delays can occur when sourcing replacement parts.

Known for employing NATE-certified technicians and using Bryant Factory Authorized Parts, All Temp Heating & Air Conditioning emphasizes skilled, up-to-date service in heating and cooling systems. They handle installations, repairs, and maintenance, with customers often noting professionalism and thorough explanations, though some have experienced recurring issues with certain parts.

Known for fair pricing and a hardworking team, Chicago Hvac Repair Doctor, Inc has served the Chicagoland area since 2011. Their technicians handle repairs, replacements, and maintenance for HVAC systems, often praised for professionalism and clear communication. Some customers note occasional wait times, but appreciate the team’s friendly, knowledgeable service.

Four Seasons Heating & Air Conditioning has earned multiple Angie's List Super Service Awards for heating, air conditioning, water heaters, and air duct cleaning. Their technicians handle installations, repairs, and maintenance with professionalism and clear communication. Customers appreciate their prompt scheduling and thorough, courteous service.

Guardian Heating & Cooling Service offers personalized care for both commercial and residential HVAC needs, balancing a family-owned approach with reliable, industry-standard equipment. The technicians provide clear explanations and transparent options, often sharing photos during service to keep customers informed. While some units may require replacement, the team focuses on honest guidance… more...

Guardian Heating & Cooling Service offers personalized care for both commercial and residential HVAC needs, balancing a family-owned approach with reliable, industry-standard equipment. The technicians provide clear explanations and transparent options, often sharing photos during service to keep customers informed. While some units may require replacement, the team focuses on honest guidance rather than quick sales.

With over 25 years of experience, this family-owned company handles everything from new design and installation to maintenance and repair of heating, cooling, and water heating systems. Their team works on a variety of properties, including historic homes and high-rise buildings, and is known for thorough, clear communication and respectful service.

Known for honesty and professionalism, Besco Air Inc. Heating & Cooling has served the Chicago area since 1986, specializing in furnace repairs, AC installation, and routine maintenance. Customers appreciate the team’s thorough inspections and straightforward service, though a few have noted occasional issues with follow-through on repairs.

Wantuck Comfort Solutions stands out for its factory-certified technicians and status as a Factory-Authorized Carrier Dealer, offering expert installation, maintenance, and repair of Carrier and other HVAC systems. Customers appreciate their professional, responsive service and thorough maintenance, though some note variability in service consistency before recent improvements.

Known for responsive emergency furnace replacements, Oasis Heating & Cooling serves both residential and commercial clients with heating and cooling installations, repairs, and maintenance. The technicians are described as knowledgeable and professional, though some customers note occasional delays in providing quotes.

Known for clear communication and thorough problem-solving, Direct Improvements LLC helps homeowners, landlords, investors, and businesses with HVAC installation, maintenance, and repairs. The team is praised for professionalism and efficiency, though a few customers have noted occasional discrepancies in system assessments.

Known for clear communication and thorough explanations, eXpedience Heating & Cooling has spent over a decade addressing complex heating and cooling issues. Their technicians handle repairs and maintenance for systems like heat exchangers and air conditioners, often offering energy-efficient options. Customers appreciate their professionalism and prompt service, though occasional part… more...

Known for clear communication and thorough explanations, eXpedience Heating & Cooling has spent over a decade addressing complex heating and cooling issues. Their technicians handle repairs and maintenance for systems like heat exchangers and air conditioners, often offering energy-efficient options. Customers appreciate their professionalism and prompt service, though occasional part availability can affect timing.

Family-owned since 1956, HeatCool Service Co focuses on reliable heating and cooling solutions for both homes and businesses. Their technicians handle everything from system replacements to air quality improvements, often explaining issues clearly and respecting customers’ spaces. Some have noted concerns with warranty handling and pricing, but many appreciate their professionalism and… more...

Family-owned since 1956, HeatCool Service Co focuses on reliable heating and cooling solutions for both homes and businesses. Their technicians handle everything from system replacements to air quality improvements, often explaining issues clearly and respecting customers’ spaces. Some have noted concerns with warranty handling and pricing, but many appreciate their professionalism and responsiveness.

Burks Heating and Cooling Solutions is a family-owned HVAC company serving both residential and commercial clients throughout Chicagoland since 2008. Their technicians handle a full range of heating and cooling services, often noted for timely responses and clear communication. Some customers mention occasional delays due to weather or traffic.

Known for prompt and straightforward service, Newton Sales and Service handles air conditioning repairs, maintenance, and leak detection. The technicians are often described as friendly and efficient, with reasonable pricing, though some customers have experienced mixed results on complex repairs. They respond quickly and aim to keep units running smoothly.

Known for prompt same-day response and clear communication, KTS Heating & Air Conditioning Repair serves both residential and commercial customers with furnace and air conditioner repairs. Their technicians arrive prepared with fully stocked trucks to complete work efficiently, and customers appreciate their professionalism and honest pricing.

Liberty HVAC Company offers 24/7 emergency service, ensuring help is available whenever heating or cooling issues arise. Their technicians handle repairs, maintenance, and full system replacements for furnaces, air conditioners, and gas fireplaces. Customers appreciate their punctuality, clear communication, and honest advice, though occasional scheduling can be tight.

Known for fair pricing and clear communication, My Guy HVAC, INC Heating & Air Conditioning serves many repeat customers who appreciate their honest approach. The team handles maintenance, repairs, and vent installations with professionalism and efficiency. Clients often highlight their responsiveness and thorough problem-solving, making them a reliable choice for HVAC needs.

Known for offering a 12-year parts and labor warranty, TDH Mechanical has been serving HVAC customers since 1985. Their team handles installations, repairs, and maintenance with clear communication and attention to detail. While some have noted occasional scheduling hiccups, most appreciate their honest advice and thorough workmanship.