Our Qualifications

At Atteberry & Marshall Heating & Air, we're proud to maintain exceptionally high professional standards. Our team of technicians and installers regularly participate in ongoing training to stay up-to-date with the latest industry practices. We hold certifications and memberships that reflect our commitment to quality, safety, and reliability:

Amana Certified Dealer

As a recognized Amana dealer, we offer superior performance, technical know-how, and customer care that give you confidence in our solutions.

NATE Certified Technicians

Our technicians are NATE (North American Technician Excellence) certified — a respected, independent credential that highlights our expertise in HVAC service and installation.

Sullivan Chamber & Economic Development Member

We proudly support and are part of the Sullivan, Illinois Chamber & Economic Development, reflecting our commitment to regional growth and community involvement.

Illinois Sheriff's Association Member

As members of the Illinois Sheriffs' Association, we support ongoing civic programs and youth initiatives through this long-standing, respected organization.

The Association also realized that today's youth hold the key to society's future. So the ISA decided to encourage youth by supporting and creating various youth-oriented programs. Through the monetary support of its various membership dues and contributions, the ISA continues to maintain, create and expand training, youth and membership programs.

Rotary Club Of Mattoon

Atteberry & Marshall is proud to support the Rotary Club of Mattoon. Through local projects and community improvements — including outdoor spaces and public amenities — we’ve partnered with Rotary to help strengthen the community we call home.

Allenville

Serving Residential & Commercial Customers

Within 50 miles of Allenville

Charleston

Hours

Mon-Fri: 7:00AM - 5:00 PM

24/7 Emergency service

Accepted Payment Options

Cash

Check

Financing With Approved Credit

All Major Credit Cards

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