Skip to content
4.9 / 5 across 114 verified reviews
MN License #MB715020 · CGD · IGSHPA
Replies within 1 business day

Get in Touch

Get Your Free System Design Consultation

Tell us about your project and Kevin will get back to you within one business day.

Design Heating, LLC · 5131 Washburn Road, Duluth, MN 55803 · (218) 525-5914

We respect your privacy. Your information is never shared.

Design Heating flame logo Design Heating

5131 Washburn Road

Duluth, MN 55803

Mon – Fri

7:00 AM – 7:00 PM

Sat – Sun: Closed

MN Mechanical #MB715020 • Plumbing PC 715-020

CGD • IGSHPA Accredited

Areas We Serve

Duluth

Hermantown

Proctor

Pike Lake

Cloquet

Esko

Carlton

Two Harbors

Superior, WI

Not on the list? If you are within about 30 miles of Duluth, give us a call.

Common Questions

Contact & Consultation — FAQ

How do I request a free HVAC estimate from Design Heating?

Call or text (218) 525-5914, email kevin@designheating.net, or submit the contact form on this page. We respond to most inquiries within one business day and schedule a free in-home consultation to measure your home, review your existing system, and discuss options.

What areas does Design Heating serve?

We design and install HVAC systems throughout Duluth, Hermantown, Proctor, Cloquet, Pike Lake, Esko, Carlton, Two Harbors, MN, and Superior, WI. We also serve the broader Northland and North Shore on a project basis. Our office is located in Duluth, MN.

What does a free estimate include?

Our free in-home estimate includes a walk-through of your existing system, a tape-measure heat-loss assessment (followed by a full ACCA Manual J calculation for any quoted project), discussion of equipment options and fuel types, and a written fixed-price quote. There is no charge, no obligation, and no high-pressure sales.

Are you licensed and insured?

Yes. Design Heating, LLC is a Minnesota-licensed mechanical contractor (License #MB715020), fully insured, and Wisconsin-bonded for our Superior-area work. Owner Kevin Kaski is a Certified Geothermal Designer (CGD) and an IGSHPA Accredited Trainer and Installer.

How quickly can you respond to an emergency no-heat call?

After-hours and emergency no-heat response is reserved for our Platinum service-plan clients, who receive priority same-day attention. Our phones are answered Monday through Friday, 7:00 AM to 7:00 PM, and we do our best to prioritize urgent no-heat calls within our schedule. If we can't get to you quickly, we'll help you find a trusted partner.

What information should I have ready when I call?

It helps to know the brand and approximate age of your existing equipment, the type of heat (forced air, hot water, electric), your home's approximate square footage, and any specific issues you're experiencing. Photos of the equipment label and mechanical room are also helpful but not required.