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D&K Generators, Boilers, and Geothermal

"Servicing Whiteside County And Surrounding Communities For Over 30 Years"

About Us

D&K Generators, Boilers, and Geothermal, located in Morrison, IL, has been the leading generator shop in the area since 1985, catering to Prophetstown, Sterling, Dixon, Rock Falls, Fulton, Savanna, and surrounding communities. Our services include air to water heat pumps, generator installation, sales and service, geothermal services, as well as boiler sales, installation, and service. For more information, reach out to D&K Generators, Boilers, and Geothermal in Morrison.

Areas Served

Our Professional Associations

NFIB
Chamber of Commerce

Our Certifications

Licensed
Bonded
Insured

What We Offer

Our Specialties include:

Generators
Geothermal
Boiler Installation and Repair

Our Services include:

Air-to-Water Heat Pumps: D&K specializes in advanced air-to-water heat pump systems designed to deliver efficient heating and cooling for your home or business. These systems harness renewable energy from the air, transferring it into water-based heating for radiant floors, radiators, or domestic hot water. Our team ensures seamless installation and provides ongoing maintenance to keep your system running at peak performance. With D&K, you’ll enjoy comfort, sustainability, and lower energy costs—all backed by expert service.
Generator Installation, Sales, and Service: Power outages can disrupt life and business in an instant. That’s why D&K offers comprehensive generator solutions—from helping you choose the right model to professional installation and dependable service. Whether you need a standby generator for your home or a robust system for your commercial property, we make sure you’re prepared for anything. Our technicians are trained to maintain and repair all major brands, giving you peace of mind when it matters most.
Geothermal Services: Tap into the earth’s natural energy with D&K’s geothermal solutions. Geothermal systems provide one of the most efficient and eco-friendly ways to heat and cool your property. We handle everything—from system design and installation to routine maintenance—so you can enjoy year-round comfort and significant energy savings. Our team brings expertise and precision to every project, ensuring your geothermal investment delivers maximum performance for decades to come.
Boiler Sales, Installation, and Service: When it comes to reliable heat, boilers are a tried-and-true solution. At D&K, we offer a full range of boiler services, including sales, installation, and expert maintenance. Whether you’re upgrading an old system or installing a new one, we’ll guide you through selecting the right boiler for your space and needs. Our technicians ensure proper setup and provide ongoing service to keep your system efficient and safe. With D&K, you can count on warmth and reliability all winter long.

Our Brands include:

Climate Master Geothermal Heating and Cooling Systems
Generac
Honeywell

Our Products include:

Boilers
Boiler Pumps
Thermostats
Generators
Air to Water Heat Pumps

Testimonials

On 2/10/2023 dan morgan had this to say:
D&K went out of their way to help me out with my woodmaster boiler fan. Thank you 😊

On 10/11/2022 Paula Custer had this to say:
Ed did a good job and was so cooperative. Hope he does not retire for awhile.

On 9/3/2021 Gary Kramer had this to say:
Very knowledgeable. Seemed very truthful on what your needs maybe. Easy to talk to.

On 2/7/2018 Mary Ann Barrett had this to say:
We had their technician service our furnace and fireplace this morning even in this snowstorm. Wallace Rodgers was extremely thorough and careful. We...

Contact Us

D&K Generators, Boilers, and Geothermal
12503 Crosby Rd. Morrison, IL 61270
Phone: (815) 772-4404
Email: dkgeothermal@gmail.com

2 and a Half Miles South of Morrison. On Highway 78

Where To Find Us

Payment Types Accepted

Visa, MasterCard, Personal Checks, Debit Cards

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 3:00 PM
Tuesday: 8:00 AM - 3:00 PM
Wednesday: 8:00 AM - 3:00 PM
Thursday: 8:00 AM - 3:00 PM
Friday: 8:00 AM - 12:00 PM

FAQ

What types of services do you provide?

We offer a full range of HVAC and generator services including installation, sales, and service of generators, boilers, geothermal systems, and air-to-water heat pumps.

Can you assist with insurance claims or emergency generator installation?

Yes — as a generator specialist, we handle sales and service of generators, which often includes emergency power solutions and coordination with insurance when needed.

What is a geothermal system and do you install them?

A geothermal system uses the earth’s relatively stable underground temperature to heat and cool buildings more efficiently. Yes — we install and service geothermal systems.

How long will my installation/repair take?

This depends on the scope of work (generator vs boiler vs geothermal). We will provide an estimated timeline after the consultation/inspection.

Are the products you install serviced and supported long-term?

Yes — we provide sales, installation, and ongoing service for generators, boilers, geothermal systems, and all the equipment we handle.