Heating System Services

Manufacturer's Warranties | Free Estimates

Emergency Service 

Manufacturer's Warranties 

Free Estimates

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Dependable Geothermal Heating Services

Toennies Service Co will help you keep your indoor space warm with a brand-new heating system. We specialize in geothermal heating systems that are highly energy efficient.


They are so energy efficient that investing in one of them will be equivalent to you planting 750 brand-new trees!

Incredible Savings

Your new system will be so energy efficient that it could deliver up to $5 of energy for every $1 of electrical energy used!

We Are a Geo Pro Master Dealer

We hold ourselves to the highest standards of service and promise that you will get:


  • Quality equipment performance
  • Extensive experience
  • Solid dedication
  • Highly trained technicians
  • Honest business practices
  • Outstanding installation quality

 

Energy-Efficient Heating Solutions

Call us for 24/7 emergency services!

(618) 248-5130

(618) 248-5130
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"Joe and Jake from Toennies are wonderful! They were very nice and professional. They fixed our HVAC issues, took the extra steps to figure out where the problems were coming from, and the initiative to correct some issues that had been missed previously by another company. We were also very pleasantly surprised when we got our bill. We would highly recommend them!"

- Rylee Allen

Learn More About

Toennies Service Co

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