Martens Plumbing & Heating, Inc.

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Claim This BusinessAbout Martens Plumbing & Heating, Inc.
Martens Plumbing & Heating, Inc. delivers plumbing, heating, and cooling services to Mukwonago and surrounding Wisconsin communities. The company maintains a 4.9-star average across 406 customer reviews, reflecting consistent service quality in both routine and emergency situations. Their service menu spans water heater installation, sewer and piping work, septic and well inspections, heating and cooling system replacement, and indoor air quality solutions including air purifiers, ventilators, and thermostats.
What distinguishes Martens is their same-day emergency response capability and their Peace of Mind Protection Plan, which offers ongoing maintenance coverage for residential systems. The company operates a showroom for customers exploring bathroom and kitchen remodeling projects, and provides flexible financing options to spread project costs over time. Their indoor air quality offerings include Aprilaire air cleaners, heat recovery ventilators, humidifiers, and dehumidifiers, addressing Wisconsin's seasonal humidity challenges.
Customer reviews name specific technicians who handled same-day water heater repairs, including Jake, who diagnosed a faulty igniter on a Friday and arranged warranty parts installation by Tuesday, and John, who provided Saturday on-call guidance that helped a homeowner avoid costly emergency service charges. Reviewers consistently note that technicians arrived on time, explained work thoroughly, and left work areas cleaner than they found. One reviewer described a two-hour service call where the team identified additional issues and provided quotes without pressure, allowing the homeowner to decide on next steps.
What Customers Say
All twelve reviewers mention specific technicians by name, with Jake, John, and Jim appearing most frequently. Five-star ratings dominate, with reviewers specifically praising same-day response times, warranty part coordination, and thorough explanations of work performed. Emergency service scenarios include Friday water heater failures and Saturday inquiries, demonstrating availability beyond standard business hours.
Working Hours
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| SaturdayToday | 9 AM–1 PM |
Services
Plumbing Repairs & Installation
Water heater installation, gas line work, sewer and piping services, and fixture replacements for residential properties.
Water Systems
Well inspections, water heater services, and water quality systems for homes with private water supplies.
Septic & Sewer Services
Septic inspections, sewer line repairs, and piping work for both municipal and rural properties.
Heating & Cooling
Furnace and AC installation, replacement, repair, and maintenance services for year-round comfort.
Ductless HVAC Systems
Ductless mini-split installations for homes without traditional ductwork, offering zoned heating and cooling.
Indoor Air Quality
Air purifiers, ventilators, humidifiers, dehumidifiers, and smart thermostats to improve home air quality.
Bathroom & Kitchen Remodeling
Showroom-based design consultations and remodeling services for kitchen and bathroom upgrades.
Maintenance Plans
Peace of Mind Protection Plan offering ongoing maintenance coverage for residential systems.