Air Conditioning


For the ideal solution to your home’s air conditioning needs in the Metro-East Illinois area, trust the expertise and first-class customer care you’ll receive from the A/C specialists at The Spengler Company. We offer a wide selection of HVAC systems and brands for commercial and residential buildings needing professional air conditioning installation. Our services include assisting our customers in selecting the most energy efficient models that will be optimal for their home or office, using our Indoor Air Comfort Solutions technicians.

Areas we serve include our immediate local area of O’Fallon, Faiview Heights, and Belleville (including neighboring areas of Swansea & Shiloh), as well as northern areas of Edwardsville, Collinsville, Glen Carbon, and surrounding counties.

Why Choose Spengler?

  • Trusted Experts. We have more than four decades of experience, an A+ rating from the BBB, and are fully licensed and insured heating and cooling experts.
  • Written Warranties. We have the best manufacturers’ warranties and our work is backed with a written warranty.
  • Flexible Financing. We provide a great range of flexible financing options to approved applicants, which will help fit the cost into your budget.
  • Satisfaction Guaranteed Service. The premium Spengler customer service comes backed with a satisfaction guarantee. The job isn’t done until our work is done to your satisfaction.

Our Services Include:

  • Free Estimates On All New Air Conditioning Installations
    Discover how you could enjoy your new, energy efficient air conditioning system, with our free estimates on all AC installations.
  • The Perfect New Air Conditioning System
    With more than four decades of experience we have the expertise to ensure your new air conditioning system is correctly rated, sized and positioned for the best operating efficiency, reliability and enjoyment.  We’re not limited to a specific brand or system, so we’ll help you to choose the best brand and model of HVAC system to suit your individual cooling needs and budget.
  • Save On AC
    We offer a number of ways for you to make great savings, including year-round special offers and promotions, up-front prices and the improved efficiency and savings in running costs provided by a professionally installed new air conditioning system.
  • Improved Energy-Efficiency
    Modern air conditioning systems are considerably more energy efficient when compared to those from just a few years ago, and we can assist you in choosing the right system with the best energy efficiency to suit your needs.
  • Professional Installations
    Always insist on a professional installation of your new air conditioning unit to enable it to achieve the maximum performance levels indicated in the manual and for reliable operation and enjoyment.
  • The Best Features and Upgrades
    We can assist with upgrades to your HVAC system, such as digital thermostats and home-zoning solutions, to help increase your level of home comfort.

Clear, Up-Front Pricing

Because we provide a per job price in advance, you’re able to make an informed decision before...

Fully Licensed & Insured

The Spengler Company is fully licensed and insured for all the plumbing and HVAC requirements...

24/7 Emergency Response

Emergencies happen at all hours of the day and that’s why the Spengler team of skilled...

Fast & On-Time

Spengler provides fast and dependable 24-hour service. Call us to get a technician to your home...

Customer Reviews

I have dealt with Jeremy for my AC and now Stephen for my sewer issue and they are wonderful. I called this company because they have 24/7 service and i was desperate and they came thru very timely and professional. I have to to get my sewer line replaced so i will give another review once that is done.

Tracey Y.
Tracey Y.Google Review

Fast service. Called at 1 am and appointment set for 10 am. Stephen explained the problem and options. He was very knowledgeable and courteous. Always a good experience.

Kay S.
Kay S.Google Review

GREAT SERVICE.....GREAT WORK!!!! I contacted Spengler Company to do some bathroom remodeling for me since they had done some water heater and a/c unit work for me in the past. Since I was impressed with the work done then, as well as their professionalism, I decided to contact them for this project as well.

Sara S.
Sara S.Google Review

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