Heating Energy Savings

Repairs & Installation

For ways to improve your home’s energy-efficiency without sacrificing your comfort level, speak with the energy-efficient heating specialists at Spengler Heating & Air about your energy efficiency options. In addition to our prompt and professional service, enjoy $60 off any repair or new whole-home heating system.

Our service area consists of our local towns of O’Fallon, Fairview Heights, Belleville, and the neighboring towns of Swansea & Shiloh; as well as the northern areas within our 50 mile radius of Edwardsville, Collinsville, Glen Carbon, and surrounding areas of Granite City.

Why Choose Spengler?

  • Trusted Experts. We have over 42 years of experience and are fully-licensed and insured.
  • Written Warranties. We have the best manufacturers’ warranties plus all our HVAC work is backed with a written warranty.
  • 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. Enjoy the Spengler customer service difference that comes backed with a satisfaction guarantee.

Our Services Include:

  • Modern Heating Technology
    Modern heating technology has helped make heating systems much more efficient than they were just a few years ago. If your system is over 10 years old then you will notice the energy and costs savings that upgrading to a modern, more efficient system will bring – some heating systems are up to twice as efficient.
  • Professional Furnace Installations
    To get the best out of your new heating system, it’s always best to insist on a professional installation to ensure your new system is perfectly located and installed for maximum performance and energy efficiency.
  • Expert Advice
    It’s a common mistake for people to buy a new HVAC system that is inappropriate for the size of their home. Spengler can provide expert advice to help you choose the perfect system for your heating needs and ensure it will work efficiently.
  • Heating Tune-Ups
    If it’s been some time since you last had a tune-up on your heating system then you could be using more energy and wasting money unnecessarily. Spengler’s expert technicians can help your system continue to operate at maximum potential capacity and efficiency, and reduce your chance of avoidable breakdowns.
  • Home Zoning
    Spengler’s Home Zoning solutions allow you to take greater control of your air conditioning and heating by enabling you to only heat areas you choose, such as those in use, and improving your level of comfort whilst assisting you to reduce your energy consumption and costs.
  • Digital Programmable Thermostats
    The EPA recommends digital programmable thermostats as being one of the easiest ways of increasing your home’s energy-efficiency. Spengler Heating & Air can provide expert advice and a professional installation so that you can start saving today. To improve your home’s energy-efficiency and benefit from lower utility bills, call and speak with the energy-efficiency experts at Spengler Heating & Air today.

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.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.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.Google Review