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Until You Are

The weather is always comfortable inside your home, thanks to Design-Air Heating and Air Conditioning.

happy husband and wife in kitchen living in the comfort of their home Lincoln, Illinois

Licensed Heating & Air Conditioning Technicians
Lincoln Illinois

Since 1977, Design-Air Heating & Air Conditioning has been a pillar of HVAC expertise in Lincoln, IL, and its surrounding regions. Our array of HVAC services encompasses everything from maintaining and repairing air conditioning systems to diagnosing and replacing furnaces, establishing our reputation for superior quality and dependability. Equipped with NATE-certified technicians, our team ensures proficiency in servicing a diverse range of HVAC models from reputable brands. Whether you require an AC filter replacement or an evaluation of your home’s air quality, count on us for tailored, comprehensive solutions.

As a family-owned establishment, we prioritize the safety and comfort of your home. Contact us today for a personalized estimate from our skilled technicians and experience HVAC excellence for your home.

Air Conditioning Services
Lincoln Illinois

When your home’s comfort is compromised due to an air conditioning issue, count on Design-Air Heating & Air Conditioning in Lincoln, IL, for excellent AC repair, maintenance, and installation solutions. Our team comprises NATE-certified technicians skilled in handling a variety of AC models from reputable brands.

Whether it’s regular maintenance or a requirement for a new AC system, our specialists are dedicated to identifying the most cost-effective and reliable solutions for your cooling requirements.

Contact us for estimates on AC replacement services and schedule immediate repairs at 217.429.1105. Rely on our professional expertise to reinstate your home’s cooling efficiency.

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Furnace Services
Lincoln Illinois

As the cold weather arrives in Lincoln, IL, maintaining a warm home with a dependable furnace becomes essential. If you face issues like a malfunctioning pilot light or your furnace blowing cold air, rely on Design-Air Heating & Air Conditioning for swift assistance. As a family-owned enterprise, we specialize in residential furnace repair, maintenance, and installation for various well-known brands.

Our team of NATE-certified technicians conducts detailed assessments to identify furnace issues and offers reliable repairs to reinstate your home’s warmth. Don’t endure the cold—contact our skilled team promptly for immediate furnace repairs or replacements.

Indoor Air Treatment
Lincoln Illinois

As contemporary building structures emphasize security and efficiency, maintaining superior indoor air quality is more crucial than ever for homes and businesses. Leveraging over four decades of industry experience, Design-Air Heating & Air Conditioning acknowledges the pivotal role of indoor air quality in our daily lives. Elements, like clogged air filters and pet dander accumulation, can result in discomforts like headaches or severe respiratory issues.

Our team of NATE-certified technicians offers customized indoor air treatment solutions for residential and commercial properties in Lincoln, IL. Discover our array of air purifiers, humidifiers, and electric air cleaners available at our establishment to combat allergens and foster healthier breathing environments.

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Quality Service for the Comfort of Your Home

Whether you need services for your air conditioning, heating, air-quality, or other HVAC services, Design-Air Heating & Air Conditioning is here to support you and take on any job.

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Geothermal Heating
Lincoln Illinois

Revolutionizing geothermal heating and cooling solutions for more than four decades across central Illinois, Design-Air stands as a leader in Lincoln, IL, and nearby regions. With a history of over 2000 successful installations, our focus remains on boosting efficiency and environmental consciousness among local residences and businesses.

These innovative systems harness the earth’s solar heat, providing warmth in winter and cooling in summer, utilizing cutting-edge High-Density Polyethylene (HDPE) piping to efficiently transfer heat energy, catering to your property’s unique requirements. Additionally, a 30% federal tax credit available until December 31, 2032, sweetens the deal for residential ground source heat pump installations, making geothermal an appealing investment.

Unveil the potential for energy savings and financial benefits with a complimentary Energy Analysis from Design-Air. Reach out today to explore this innovative, cost-effective solution for your heating and cooling needs.

Commercial HVAC
Lincoln Illinois

Running a business in Lincoln, IL requires consistent attention to your heating and cooling systems for optimal year-round performance. With more than 45 years of proficiency in HVAC repair, installation, and maintenance, Design-Air Heating & Air Conditioning is prepared to offer outstanding service to your commercial establishments. Whether dealing with an air conditioner malfunction or an inactive furnace, timely intervention by our experienced team is crucial to maintain your business operations smoothly.

Our NATE-certified technicians specialize in all commercial AC and furnace models, ensuring uninterrupted functionality for your enterprise. Reach out to us today for system replacement estimates or to arrange prompt repairs.

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Ductless Split System
Lincoln Illinois

Design-Air Heating & Air Conditioning excels in the maintenance, repair, and installation of ductless split units for residential and commercial properties in Lincoln, IL. These versatile systems offer comfort across various settings, catering to homes, schools, corporate buildings, and hotels, and are available in various sizes and adaptable configurations to suit specific requirements. With over 45 years of industry expertise, our HVAC technicians swiftly diagnose system issues and offer prompt, cost-effective repairs.

Whether considering a ductless system or noticing decreased efficiency in your current unit, schedule a consultation with our experts. We provide complimentary estimates and have a team of fully qualified technicians committed to delivering exceptional results.

Our energy-efficient products are easily installed and come with continuous support throughout the unit’s lifecycle, ensuring ongoing maintenance and repair assistance. Trust us for comprehensive assistance at every stage.

New Construction Installation
Lincoln Illinois

For outstanding results in your new construction HVAC installation, trust Design-Air Heating & Air Conditioning in Lincoln, IL. Whether it’s a new residence or a business establishment, your satisfaction remains our top priority. Rely on our experts to design a space that’s both functional and aesthetically pleasing, ensuring comfort for all occupants. Leveraging our extensive expertise in heating and air conditioning, our professionals collaborate closely with you to bring your project’s vision to life. Through our partnership, we can transform your aspirations into a concrete reality.

Our installation of premium HVAC equipment is customized to suit your space, guaranteeing optimal performance. Moreover, our skilled technicians offer ongoing maintenance, providing expert inspections and repairs as needed to sustain efficiency, safety, and a welcoming atmosphere for your guests.

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Young families happy in their homes, air conditioning, heating, comfort - Lincoln, IL

Why Choose Design-Air Heating & Air Conditioning?

For over four decades, Design-Air Heating & Air Conditioning has stood as a dependable HVAC expert. Our steadfast dedication to delivering long-lasting repair, replacement, and maintenance services has garnered the trust of residences and businesses throughout Lincoln, IL. Here are numerous convincing motives why customers continually opt for our services for their air conditioning and furnace requirements.

  • In Business For 45+ Years

  • Carrier Authorized Dealer

  • Emergency HVAC Services

  • Family Owned & Operated Business

  • NATE Certified Technicians

  • In Business For 45+ Years

  • Free Estimates on Replacements

  • NATE Certified Technicians

  • Carrier Authorized Dealer

  • Emergency HVAC Services

  • Family Owned & Operated Business

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Schedule Appointment

Monday thru Friday 7:30A – 4:00P To schedule non-emergency service or standard maintenance, please call 217.429.1105 or complete the form below:
Contact Information
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