Expert HVAC Service Offering your family dependable comfort since 1940

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 and 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, Inc. at 573-486-5712 or contact us online.

Our happy customers

“Fast and friendly thank you”

– Scott R.

Services We Offer

Our certified, experienced technicians can assist with a wide range of HVAC services. Whether you need help with your heating, cooling or indoor air quality equipment, we’ll be glad to help. Our only priority is making sure you’re comfortable.

Heating

Our comprehensive heating services are designed to help you keep warm through even the coldest winter weather.

Cooling

Prompt and professional cooling services keep your air conditioning in dependable condition, even when the temperature breaks into triple digits.

IAQ

Limiting airborne contaminants and balancing humidity improves your home’s indoor air quality, which is equally important for your sense of comfort.

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.