Bluffton, IN Gas Furnace Services

Dunwiddie Heating, Air Conditioning & Plumbing, Inc.starstarstarstarstar5.0 / 5

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2 Total Reviews 260-824-1999$702 W. Washington St., Bluffton IN


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Bluffton, Indiana winters are long and demanding. Having a reliable heating system could not be more important. Since our founding in 1985, Dunwiddie Heating & AC, Inc. has provided top quality gas furnace installation and repairs for Wells County, IN and the surrounding area. If you’re building a new home, considering a gas furnace replacement, or need help with your existing gas furnace system, the team at Dunwiddie is your best resource.

A properly installed and maintained, efficient gas furnace is the heart of a comprehensive heating and cooling system. From our office on Washington St. in Bluffton, our licensed and insured heating technicians have decades or local knowledge dating, and can help ensure the performance of your current system, or design and install a brand new efficient gas furnace.


click the Armstrong Air logo above to learn more about the furnaces we carry

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New Gas Furnace Installations

If you're building a new home, or if your existing gas furnace is more than 12 years old, a new Armstrong® gas furnace is a great choice. Our technicians focus on safety, quality, and efficiency. For either residential or commercial, we’ll evaluate your application carefully, size your system properly, and propose a new gas furnace than both meets the demand of your building, and your budget.

Whether you’re looking for the most efficient most advanced gas heating system possible, or an affordable furnace replacement, Armstrong® furnaces are a great choice. AirEase® furnaces feature advanced features like:

  • Pro Series models have efficiencies up to 97% AFUE.
  • Variable speed fan motors.
  • Modulating Heat technology adjusts system operation to meet current demand.
  • Comfort Sync® controls for optimized performance, and system access anywhere with your Comfort Sync® mobile App.
  • Other AirEase models are the perfect furnace replacement choice with multiple venting and airflow options.

And it not just about the furnace! With our professional installation, we'll make sure that your ductwork is clean, tight and properly sealed, gas piping is properly sized, tested and secure, and you home or business if perfectly clean and neat before we leave. For us, it's about sweating the details and taking the time to do things right the first time!

Heating services from Dunwiddie Heating, A/C & Plumbing

Gas Furnace Repair

If you're having trouble with your existing natural gas furnace we service all brands and offer 24 / 7 emergency furnace repairs.

Gas Furnace Rebates

Our local natural gas provider, NIPSCO Energy, offers rebates of up to $200 for the installation of a new 95%+ Armstrong® gas furnace. Click here for details.

Indiana Michigan Power offers a rebate of $100 for the installation of a new Armstrong® A97MV variable speed gas furnace. Click here for details.

24-Hour Emergency Service is Available! Call us today to schedule your service!

Do You Need Our Help?

If your gas furnace isn't performing as expected, you may be able to save time and money by check a few simple things You might be able to solve the problem without our help:

  • Make sure your "FURNACE SWITCH" is set to "ON". This switch is typically a traditional toggle switch that may have a RED cover-plate.
  • Check you circuit breaker panel to ensure that your heating system breaker is "ON".
  • Verify that your gas supply is turned "ON".
  • Make sure your thermostat is "ON", is set to "HEAT", and the desired room temperature is set higher than the current ambient temperature.
  • Change your furnace filter and re-start your furnace.

Professional Furnace Service

We service all gas furnace brands. Our experienced, licensed and insured heating techs offer guaranteed service on time, done right and priced right. Common furnace Service issues include:

  • Dirty filters and lack of maintenance
  • Inconsistent temperature or wide temperature swings
  • Loud blower or air noise
  • Furnace not working at all, or inadequately heating
  • Rapid furnace cycling
  • Venting issues
  • Condensation leaks

Scheduled Gas Furnace Maintenance and Maintenance Agreements

Consistent seasonal maintenance will ensure more reliable operation, higher efficiency, and a longer service life for your gas furnace. Dunwiddie offers an attractive pre-season furnace tune-up program. Before the cold weather, we'll clean your furnace, replace your air filters, and carefully run-test your system to make sure your furnace is in peak condition for the coming winter.

For even more peace of mind, we offer gas furnace maintenance agreements. Before each heating season we will reach-out to you and perform a complete seasonal tune-up. Click here for details.

Heating service from Dunwiddie

Dunwiddie Heating & AC, Inc. Professional Credentials

Dunwiddie Heating & AC, Inc. has been owner by the Dunwiddie family since 1985. We have decades of experience providing heating and air conditioning services to our friends and neighbors. Our credentials include: