Master Services Inc.
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Claim This BusinessAbout Master Services Inc.
Master Services Inc. has served Lake Geneva, Wisconsin, and surrounding Walworth County since its founding, earning a 4.8-star average across 10,026 customer reviews. The family-run contractor operates around the clock every day of the week, with bilingual office support available from 8 a.m. to 5 p.m. at (262) 244-5650 and a 24/7 emergency line at (262) 244-5995. Licensed in both heating and plumbing, the company handles residential projects ranging from routine seasonal maintenance to complete system replacements.
Beyond standard HVAC service, Master Services sets itself apart with financing options, a tiered Club Membership program, and energy rebates that can offset upgrade costs. Military discounts honor those who have served, and their workmanship approach keeps customers recommending the company to neighbors year after year. The combination of these practical savings programs with round-the-clock availability creates a level of accessibility uncommon among regional contractors.
Christopher Correa called on Master Services for a nighttime furnace inspection after the unit became unsafe to operate. Technician Richard walked him through every replacement option with complete transparency, and Jake arrived the following morning to install a new furnace, restoring heat in under 24 hours. For Nicholle, Carlos and Kaden handled a two-day furnace and duct cleaning project, documenting the entire process with photos and explaining each repair priority clearly. Across every review, customers consistently describe technicians arriving same-day and completing installations with minimal disruption to the home.
What Customers Say
Seven of the 10 reviewed customers specifically mention emergency or same-day service, with three naming their technician by name. Positive reviews consistently highlight diagnostic thoroughness and honest cost explanations, while no reviewed customer raised a complaint about pricing or workmanship quality.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Heating Repair, Tune-Up & Replacement
Covers furnaces, boilers, and zoned air systems with seasonal maintenance, emergency repair, inspections, and full system replacement using licensed technicians.
Cooling & AC Services
Includes AC installation, tune-ups, repair, replacement, and ductless air conditioning options for homes without existing ductwork.
Plumbing & Fixtures
Drain cleaning, fixture installation and replacement, bathroom and kitchen plumbing remodels, and garbage disposal service for residential customers.
Water Heater Services
Replacement and repair of electric, gas, and tankless water heaters, plus whole-home water filtration and water softening systems.
Indoor Air Quality
Duct cleaning, duct sealing, dryer vent cleaning, and UV light installations that improve air circulation and reduce contaminants throughout the home.
Club Membership Programs
Three-tier Platinum, Gold, and Silver membership plans offering priority scheduling, discounts, and routine maintenance benefits for enrolled homeowners.