Grannemann’s Sales and Service Promotions

Whether you’re looking for a tune-up, repair or an updated system,
check out our available service offers.
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$10 Off a Service Call

$10 off of a Service Call $200 or more during the Fall of 2020. Call Grannemann’s Sales and Service for full details!

(573) 486-5712

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Maintenance Check

Call Grannemann’s Sales and Service for a maintenance check today!

(573) 486-5712

Check Out Our Services

No matter whether your home needs a regular furnace tune up or new equipment,
you can depend on Grannemann’s Sales and Service for every HVAC service need.

Find What You Need

Schedule an Appointment Today

Grannemann’s Sales and Service has proudly served the Hermann area for years. Get in touch with us today to reach the ultimate in home comfort.
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Serving These Communities

Berger
Gasconade
New Haven
Swiss

Big Springs
Jonesburg
Owensville

Chamois
New Florence
Rhineland

About Grannemann’s Sales and Service

At Grannemann’s Sales and Service, we’re proud to offer products from Lennox® – a company whose dedication to your home comfort matches our own. We have the experience and skills to find the correct HVAC solution for your home, whether you need a small repair or a new system. Trust us to take care of your home and we’ll make sure you’re comfortable at all times. Call us at (573) 486-5712 or contact us online so we can work together toward total home comfort!

Grannemann’s Sales & Service, Inc.

905 S Market St.
Hermann, MO  65041
Phone: 573-486-5712