Your Comfort is our Top Priority

Grannemann’s Sales and Service is dedicated to providing you the
highest level of quality service and expertise.

Lennox Equipment

Your Home Should Be Comfortable – No Matter The Weather.

If your heating and cooling system isn’t performing well, you need a solution as soon as possible. When that happens, Grannemann’s Sales & Service is ready to get your system back in working order. Our experienced technicians can take on any obstacle your home comfort system throws at you—whether it’s time for an emergency repair, a regular tune-up or a new system installation. Schedule your appointment by calling Grannemann’s Sales & Service at 573-486-5712 or contact us online.

phone icon

$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

phone icon

Maintenance Check

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

(573) 486-5712

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.

Learn About 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.

Serving These Communities

New Haven

Big Springs

New Florence


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.

Phone: 573-486-5712