We can install most any furnace you've been looking at, as well as can give you a great deal on Gibson, Coleman, and Frigidaire products. We can service your existing furnace regardless of brand and we and guarantee all of our work, which is backed with a money back guarantee. Whether you need your aging furnace worked on, or it's time to upgrade, you can count on L and M Service Specialists to treat you fair and do the job right.

Air Conditioners

We work on and service any brand of air conditioner in known existence. We have the experience to ensure that your home is kept cool on those increasingly hot days. We install a wide variety of home cooling systems all across the Black Hills and beyond. Whether it's a conventional whole house system, or the new ductless split systems that give you zone control in each room of your home; we have the expertise to design and install it right. We have the answers for what type of system that will work best for you. Please feel free to call us today to start the process.

Gas and Electric Fireplaces

You may be surprised that a fireplace can be installed in just about any room in any house, old or new, and that in adding a fireplace you bring incredible value to your home. Check out our products page for the wide variety of manufacturers we work with which ultimately gives you many design and feature choices to choose from. Along with expert installation, we can service your existing fireplace to ensure it is running as efficiently as possible.

Outdoor Fire Pits

We can offer you a variety of custom outdoor fire pit options. From pen and paper to reality (if you can dream it we can do it) to a simple self-contained pit to keep your toes warm as you relax outdoors in your own backyard. You would be surprised at how easy to operate, maintain an outdoor fire pit can be. Contact us with your ideas and we will help bring your wishes to fruition.

Gas Piping

Did you buy a new range, grill, or firepit? Do you need your gas patio heater or pool heater hooked up? We can help! L and M Service Specialists are Certified Gas Piping Contractors who have installed gas pipe for just about every heating need imaginable. If you need to get natural gas to any location for any need, then L and M Service Specialists are the best locally trusted team for the job.


A whole house humidifier can make a huge difference in our dry climate, and you may be surprised at just how inexpensive it is to get one installed. The new generation models that we install are easy to maintain and operate and are truly hassle free. We can quote you a price over the phone and install one nearly as quickly so you can be living at the optimal humidity before you know it.

Shop Heaters

Whether you're a serious craftsman or work out of your garage on household projects and hobbies, a shop heater is a must have for the cold temperatures native to the Black Hills. Maybe you just want to keep your car, boat, or other vehicles at constant temperature throughout the seasons and need a professionally installed unit to handle the job. We have a wealth of experience in sizing your space and understanding the climate around western South Dakota and can guarantee you won't overpay for a unit you don't need.

Gas Radiant Heaters

If you are looking for the warmest and best heat you can get, then gas radiant heat is the way to go. Heat the objects, not the air, for the most comfortable garage/shop you can have. Like the heat from the sun, only better because you can control it. Best of all, our installs are all vented to keep you and your family safe while keeping everyone efficiently, inexpensively, toasty warm.

Space Heaters

Got a tough area to get heat to from your existing heating solution? Then you should consider calling L and M Service Solutions for a high-grade space heater. Whether it's a new addition or remote location, no place is immune to the chill of the night or the harshness of winter; a professionally installed space heater can get the job done.