Keck Heating & Air Conditioning is a local family-owned business for 3 generations in the Quincy and Tri-State area, serving Illinois, Missouri and Iowa. All of our home and business HVAC solutions are designed with comfort, quality, efficiency and affordability in mind. If you’ve come to Keck, you’ve come to the right place.

Worried about your indoor air quality?

Now offering GPS air cleaning solutions

Learn more about Global Plasma Solutions Products offered by Keck Heating and Air in Quincy, Illinois

Duct Cleaning

"If your ducts look dirty, they probably are.” Your dirty HVAC system should be inspected by Keck's HVAC professionals. Here are some other reasons why homeowners decide to have their air ducts cleaned. Indoor Air Quality Homeowners who are concerned about indoor air quality call us to ask about air duct cleaning. In a typical six-room...

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Air Duct Leakage Testing

Why Test Ducts for Leakage? You'll Conserves energy 10-30% of the air that you've paid to heat or cool is lost through ductwork Leaky supply ducts don’t delivery air where needed Leaky return ducts add load to your blower Indoor Air Quality Leaky air returns will pull in air from uncontrolled spaces This causes humidity problems Contaminants...

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Preventative Maintenance

Get More Comfort from Your Equipment Enjoy the full potential of your product, and extend its useful life with these helpful maintenance tips. Although mechanical heating and cooling equipment is complex, here are some basic preventive maintenance procedures you can perform to keep your system running at its best. (If your air conditioner or heat...

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Air Conditioning Installation

Today's air conditioners provide the most comfort and efficiency ever available. However large or small your home, every time you need cool, comfortable, cleaner air, Keck is dedicated to installing and maintaining the very best investment you can make for your family. Call Keck Heating & Air Conditioning so that we can recommend AC units...

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Routine Maintenance

Get More Comfort from Your Equipment Enjoy the full potential of your product, and extend its useful life with these helpful maintenance tips. Although mechanical heating and cooling equipment is complex, here are some basic preventive maintenance procedures you can perform to keep your system running at its best. (If your air conditioner or heat...

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Commercial HVAC

To maximize your workplace's operating efficiency, you need access to both innovative HVAC equipment and world-class Keck service expertise.

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Tax Credits

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Geothermal

1-217-223-5325

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Boilers

How often does a boiler need servicing? Your boiler is an integral part of your home. Preventing problems with your boiler is the key to avoiding problems when you least expect them Regular servicing as a preventative measure One of the best ways to ensure that your boiler is there for you when you need...

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In-Floor Radiant Heat

Radiant heating is dated to ancient times, when Romans warmed some rooms by running the flues for slave-tended, wood-burning fires under elevated marble floors, keeping toes and togas evenly warm. Some centuries later, Frank Lloyd Wright installed copper pipes in the concrete floors of his homes and warmed them with hot water. But when the...

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Garage Heaters

In the Adams County and tri-state area, our garages get a lot use in warm weather, but get sent into hibernation for the winter. If you wish for more comfort while working in your garage in cold weather, call Keck Heating & AC. We have some very affordable heating choices worth investigating. 1-217-223-5325

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Indoor Air Quality

Improve Indoor Air Quality (IAQ) and humidity with fresh air from outside without wasting the cooling or heating contained in the air inside. 1-217-223-5325

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24 Hour Emergency Service

Quick Help for Heat and Air Repairs in the Quincy, IL Area 24 Hour Emergency Service Nothing is worse on a blistering summer night than to have your air conditioner stop cooling. Has your heater failed on you on the coldest night of the year? We hope that you never have to find live through...

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Thermal Imaging

Do you know which parts of your house need a bit more insulation? Do you want us to show you the money you're losing out of your windows? Call Keck Heating & Air Conditioning and talk to us about our thermal imaging camera. 24 Hours a Day, 365 Days a Year – Keck Heating and...

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Custom Sheetmetal and Duct Work

The ductwork in your home is often one of the most disregarded necessities. Deep in your basement or enclosed in your walls, only to be noticed when problems arise. Without those ducts your forced air furnace and air conditioning would be useless. And if your ductwork is the wrong size, broken or partially missing, your power bills...

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GPS Air Cleaning Solutions

Worried about your indoor air quality? How it works... Through our needlepoint bipolar ionization or NPBI® technology, we deliver clean indoor air—producing neither ozone nor other harmful byproducts. What is an ion? An ion is a molecule or atom that is positively or negatively charged, meaning it must gain or relinquish electrons in order to...

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