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Business Details
27 Years
experience
Trusted Solar Installation Services in Phoenix
Watt Masters, a family-owned business rooted in over a century of electrical expertise, has been a trusted leader in solar energy solutions since 1999. Founded on principles of quality craftsmanship and customer-centric service, we specialize in residential and commercial solar installations, EV charging stations, and backup generator systems across Arizona. With a legacy dating back to the early 1900s in Germany, our team combines generational knowledge with cutting-edge technology to deliver sustainable, cost-effective energy solutions.

Our commitment to transparency, in-house expertise, and a 100% satisfaction guarantee has earned us a 4.9 rating and recognition as Phoenix's top-rated solar installer. Backed by partnerships with industry leaders like Generac and Caterpillar, we ensure every project meets the highest standards of reliability and innovation.
Services
Commercial Solar Installation Home Solar Installation EV Charger Installation Home Generator Installation Solar Battery Backup Solar Panel Carports Commercial EV Chargers Tesla Chargers Backup Generators Solar Repair & Maintenance
Details
  • Year established: 1999
Highlights and features
  • We offer 20+ years of solar installation experience since 1999
  • Our in-house crew ensures direct accountability and quality control
  • We guarantee upfront pricing with no hidden fees
  • We maintain a 4.9 customer rating with 3,500+ satisfied clients
  • Our 100% workmanship guarantee ensures lasting results
What people say
Professional and honest service Great communication throughout process Significant energy cost savings Timely project completion Expert technical knowledge
Services
Commercial Solar Installation
Our commercial solar solutions deliver scalable energy systems for businesses of all sizes. With expertise dating to 1999, we've completed Arizona's largest rooftop installations, including 2.4MW systems for Fortune 500 companies. Our turnkey process covers design, permitting, installation, and maintenance, with tax incentives that can cover 26% of costs. Clients benefit from reduced operating expenses, enhanced sustainability profiles, and increased property values through our industry-leading 25-year equipment warranties.
EV Charger Installation
We specialize in commercial and residential EV charging solutions, including Tesla-compatible systems. Our certified technicians handle everything from single-home installations to fleet charging stations. With expertise in both solar-integrated and grid-tied systems, we ensure optimal charging efficiency and compliance with local regulations. Our partnerships with leading equipment manufacturers guarantee access to cutting-edge technology with comprehensive warranty coverage for both parts and labor.
Solar Battery Backup
Our battery backup systems ensure continuous power during outages while maximizing solar energy utilization. We offer integrated solutions compatible with existing solar arrays or new installations. Featuring lithium-ion technology with 10-year warranties, our systems provide energy independence and grid resilience. Professional installation includes system optimization for peak performance and seamless integration with home or business electrical systems.
Home Solar Installation
We deliver customized residential solar solutions with transparent pricing and guaranteed savings. Our NABCEP-certified installers use premium components backed by 25-year warranties. The process includes energy assessment, system design, permitting assistance, and post-installation support. Homeowners benefit from reduced utility bills, increased property values, and eligibility for federal tax credits covering 26% of installation costs.
Solar Panel Carports
Our solar carport systems combine functional vehicle protection with energy generation. Designed for both residential and commercial applications, these structures maximize unused parking spaces while producing clean electricity. Custom-engineered to withstand Arizona's climate, installations include reinforced steel framing and high-efficiency panels with comprehensive warranties. Ideal for businesses seeking to optimize property space while reducing energy costs.
People
Tom Buehler
President
Third-generation electrician with 25+ years in solar energy. Leads Watt Masters' commitment to quality through family values and technical expertise. Holds Arizona CR-11 and A-17 licenses for commercial solar projects.
Questions
What commercial solar incentives are available in Arizona?
Businesses qualify for the 26% Federal Solar Investment Tax Credit, accelerated depreciation, and potential state rebates. Our team helps maximize these savings during project planning.
Do solar panels require roof replacements?
Most modern roofs accommodate solar installations. We assess structural integrity beforehand and recommend repairs if needed to ensure system longevity.
How long does commercial solar installation take?
Projects typically take 4-12 weeks depending on system size and permitting requirements. Our in-house team streamlines the process for minimal business disruption.
Can solar systems power buildings during outages?
With battery backup integration, solar systems provide continuous power during grid failures while maintaining safety compliance through automatic disconnect features.
What maintenance do solar panels require?
Minimal annual cleaning and inspections ensure optimal performance. We offer maintenance contracts with priority service for system issues.
Do you offer residential solar financing options?
We partner with lenders to provide solar loans with competitive rates, including zero-down payment programs for qualified homeowners.