Droegkamp Furnace Co.
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About Droegkamp Furnace Co.
Droegkamp Furnace Co. has kept Wisconsinites comfortable since 1877, making it the longest-running HVAC contractor in the state. Based at 520 Capitol Drive in Pewaukee, this family-owned business holds a valid contractor license and maintains BBB accreditation. Across 51 verified client reviews, the company earns a 4.8-star average rating, with every reviewer awarding a perfect 5 stars. The crew installs, repairs, and maintains heating and cooling systems for homeowners and businesses across the greater Milwaukee metro, including Waukesha, Sussex, Hartland, Brookfield, and surrounding communities.
The company stands apart through its commitment to upfront pricing without high-pressure sales presentations, a contrast many reviewers explicitlydraw when comparing estimates from competing companies. Technicians carry expertise with modern smart thermostats including Nest units, having diagnosed and repaired communication faults that other contractors dismissed. For a homeowner whose Nest system failed in cooling mode, Droegkamp technicians resolved the issue by installing an auxiliary circuit board, a solution that avoided a full system replacement. Their workmanship guarantee extends to covering labor costs on warranted repairs, a practice several reviewers cite as rare amongarea contractors.
Homeowners consistently praise the team's emergency responsiveness. When Philippe Guyony's water heater failed a second time within six months of installation, Droegkamp replaced the entire unit including labor at no charge. Robert Wipijewski's furnace failed during a sub-zero February night; a technician arrived Sunday morning, less than 12 hours after the initial call, and had a new unit installed by Monday. Reviewers specifically mention Joe Landry for transparent, low-pressure sales presentations and Michael Balthazor for coordinating boiler and HVAC upgrades with installation crews. Ray Sawvell's AC failed Thursday; Droegkamp installed a replacement by the following Tuesday, completing the work in under a week.
What Customers Say
All six named reviewers award 5 stars, with three specifically mentioning same-day or next-day emergency response times. Three reviewers name individual technicians (Joe Landry, Michael Balthazor) and praise their communication. Zero negative reviews appear in the sampled dataset, though pricing transparency is noted as a differentiator rather than a complaint.
Working Hours
| Sunday | Closed |
| Monday | 7 AM–4 PM |
| Tuesday | 7 AM–4 PM |
| WednesdayToday | 7 AM–4 PM |
| Thursday | 7 AM–4 PM |
| Friday | 7 AM–4 PM |
| Saturday | Closed |
Services
Furnace installation & replacement complete, including new construction and retrofit upgrades for aging systems
Full furnace installation from system selection through permitting and final inspection for residential and light commercial.
AC repair & maintenance tune-ups diagnostic services for cooling systems that fail to operate or perform poorly
AC diagnostics, refrigerant recharge, capacitor replacement, and preventive maintenance agreements.
Boiler & hydronic heating system installation repair for radiant heat and hot water heating applications
Boiler installation, radiant floor heat setup, and hydronic system repair including commercial applications.
Water heater installation & replacement including traditional tank and on-demand hot water solutions
Water heater replacement with warranty coverage; one reviewer describes a no-charge second replacement within six months.
Smart thermostat integration including Nest and other communicating thermostat wire configuration and troubleshooting
Smart thermostat setup and repair, including auxiliary board additions for communication faults and zone control upgrades.
Indoor air quality assessment & improvement solutions including filtration and ventilation upgrades
IAQ evaluation and remediation including filtration upgrades and ventilation improvements for healthier indoor environments.