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Lenny's Heating & Air Conditioning - Armstrong Dealer

"When You Buy Quality You Only Cry Once"

About Us

At Lenny’s Heating & Air Conditioning, our mission has always been simple: to keep families comfortable year-round with reliable service and top-quality products. Since opening our doors in 1994, we’ve proudly served Reedsburg, Baraboo, Mauston, Wisconsin Dells, and surrounding communities with honesty, integrity, and unmatched expertise.

With over 35 years of hands-on experience, we specialize in the installation and repair of heating and cooling systems that stand the test of time. As one of the only Armstrong dealers in the area, we offer premium Armstrong products—renowned for their durability, energy efficiency, and advanced stainless steel heat exchangers. These features aren’t just upgrades; they’re what set us apart from the rest and ensure your home stays comfortable for years to come.

At Lenny’s, we believe in doing things right the first time. Whether you need a new system installed or a quick repair, you can count on our team for dependable service and personalized care. For all your heating and cooling needs, trust the experts who have been keeping Wisconsin homes cozy for decades—Lenny’s Heating & Air Conditioning, your local Armstrong dealer.

Areas Served

Our Certifications

Certified in Heating and Cooling
Certified Welder
Armstrong Dealer

What We Offer

Our Specialties include:

At Lenny’s Heating & Air Conditioning, we’ve been keeping homes comfortable for over 40 years with expert installation and repair of heating and cooling systems. As one of the only Armstrong dealers in the area, we proudly offer top-of-the-line Armstrong products—known for their durability, efficiency, and advanced stainless steel heat exchangers. These premium features set us apart from the competition and ensure long-lasting performance you can trust. When you choose Lenny’s, you’re choosing experience, quality, and the best in the business.

Our Services include:

HVAC Services: Offering expert heating and cooling solutions, we provide installation, maintenance, and repair services for residential and commercial clients
Radiant Heating (In-Floor): Enjoy comfortable warmth with our efficient in-floor radiant heating systems, designed to ensure even heat distribution in your space
Air Quality: Improve your indoor environment with our advanced air quality solutions. We offer installations and systems that promote healthier and fresher air
Boilers: From installation to repair, we handle all your boiler needs with precision, ensuring consistent heating and energy-efficient operation
Certified Pipe Welding: Our certified pipe welding services provide durable and reliable solutions for all your piping system requirements
24 Hour Service Available: Rely on us for prompt and professional 24/7 emergency HVAC services to keep your systems running smoothly around the clock

Our Brands include:

Armstrong Air Dealer

Testimonials

On 5/7/2026 Theresa had this to say:
If you are looking for a HVAC company that is honest and trustworthy, this is the place to go! Lenny and Will were professional and got my new A/C and furnace installed in half a day for a good price! Testimonial written by Theresa on this site.

On 4/21/2026 Courtney Anderson had this to say:
Impeccable. I really wish we would have found Lenny’s before we built our home because we would have used them for everything. They truly run their business with integrity. Will has been fantastic in every way and creative when needed while installing our hvac for our basement, our generator, and some other random things around our home. Thank you for being so wonderful and taking all the stress out of our projects!

On 4/21/2026 Jonathan Mead had this to say:
Will has done work on both my new build home and my business. The workmanship is top notch, communication is on point, and customer service is always fantastic.

On 3/25/2026 Dave Schoell had this to say:
I wanted to add on to my review. Lenny's is so responsive, communicative, and helpful. I would recommend them to anyone who is in need of heating or air conditioning needs. Fantastic people! We have used Lenny's many times and will continue to do so whenever we have a need. Professional, communicative, final cost matched quote exactly, and just wonderful people overall. So happy!

On 2/23/2026 Ed Bauer had this to say:
Had a Christmas morning surprise ! House full of family, noticed temp was dropping ! Wood fireplace did its job. Called Lenny on the 26th found heat chamber cracked ! Instead what he recommended and we were warm and more comfortable in a few hours. No problem no mess no fuss, Great service from a Local business. Thanks Lenny and Son. Testimonial written by Ed Bauer on this site.

Contact Us

Lenny's Heating & Air Conditioning - Armstrong Dealer
S1758 Town Hall Rd. Reedsburg, WI 53959
Phone: (608) 963-3763

Where To Find Us

Our Hours

24 Hour Emergency Service

Holiday Hours May Vary. Please Call For Details.

Monday: 12:00 AM - 12:00 AM
Tuesday: 12:00 AM - 12:00 AM
Wednesday: 12:00 AM - 12:00 AM
Thursday: 12:00 AM - 12:00 AM
Friday: 12:00 AM - 12:00 AM
Saturday: 12:00 AM - 12:00 AM
Sunday: 12:00 AM - 12:00 AM

FAQ

Are you available for emergency HVAC repairs?

Yes—24‑hour service is available for emergency-only situations, ensuring homeowners receive timely help when major HVAC issues occur.

What certifications does your team hold?

Our technicians are certified in heating and cooling, certified welders, and we are proud to be an Armstrong Dealer, ensuring high-quality products and service.

Can you help improve indoor air quality?

Absolutely. We provide air quality solutions such as advanced filtration systems and air purifiers to help create a healthier indoor environment for you and your family.

What services can I expect from Lenny’s Heating & Air Conditioning?

Services include installation and repair of heating and cooling systems, air quality solutions, radiant heating, and certified pipe welding, along with sales of top-of-the-line Armstrong HVAC equipment.

What sets Lenny’s Heating & Air Conditioning apart from other HVAC companies?

Lenny’s emphasizes quality work done right the first time, provides over three decades of hands-on experience, and offers premium Armstrong systems with stainless steel heat exchangers. These features ensure long-term reliability and superior comfort.

How long has Lenny’s Heating & Air Conditioning been in business?

Lenny’s Heating & Air Conditioning has been serving the Reedsburg region and surrounding communities since 1994, backed by over 35 years of industry experience.