Miller Heating & Air LLC

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About Miller Heating & Air LLC
Miller Heating & Air LLC serves Elroy, Wisconsin as a heating contractor with a 3.8-star rating drawn from 19 customer reviews. The business handles residential heating systems including furnaces, boilers, and in-floor heating solutions. Reviewers describe the company as responsive and professional, with customers noting they specialize in boiler systems that many contractors avoid. The company operates without a published website, so prospective clients rely on word-of-mouth recommendations and direct phone contact at (608) 462-5216.
Unlike many residential heating contractors, Miller Heating & Air LLC demonstrates expertise with boiler systems and in-floor heating boilers, areas where multiple reviewers noted other companies lacked knowledge. One customer with an in-floor heating system praised the technician for checking all possible problems despite being unfamiliar with that specific setup. The company also handles furnace replacements, air conditioning maintenance, and thermostat installations, offering what reviewers describe as competitive pricing for their service area.
Customers consistently mention specific technicians in positive reviews. A reviewer described Dave and his team as extremely knowledgeable on boiler systems who have fixed every issue over multiple years. Another customer praised a technician named Steve for being friendly, professional, and knowing exactly what he was doing. However, some negative reviews cite communication challenges, with one customer reporting multiple calls without a return and another describing a months-long wait for a follow-up AC visit after furnace replacement.
What Customers Say
Three of eight reviewers mention boiler expertise as a key strength, with one noting they handle non-typical furnace systems. Positive reviews (5 stars) consistently praise responsiveness and pricing, while negative reviews (1 star) cite communication issues and follow-through. Four of eight reviews award 5 stars, while three award 1 star.
Services
Furnace Installation & Replacement
Complete furnace replacement including new thermostat installation, with professional setup and testing.
Boiler System Service
Repair and installation for boiler systems, a specialty many contractors avoid, with documented expertise.
Air Conditioning Repair
AC maintenance including Freon recharging and system diagnostics for cooling season readiness.
Thermostat Installation
New thermostat installation with furnace and AC system integration and setup.
In-Floor Heating Service
Service for in-floor heating boilers, though technicians may be unfamiliar with all boiler types.