ACE Home Services (formerly Hero Home Services)
Verified Pro
12½+ years online4.9(536)
Generator Installation in Phoenix, AZ
Compare 26 generator installation contractors near you in Phoenix and surrounding area with an average rating of 4.5/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated April 2, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
acehomeaz.com/areas-served/phoenix-az
Redline Electric & Solar
Verified Pro
9+ years online4.9(348)
GEN-TECH: Generator Sales, Rentals, Emergency Service 24/7
Verified Pro
24½+ years online4.6(28)
Sunbelt Electric Inc
Verified Pro
26+ years online4.6(532)
Turn It On Electric
Verified Pro
16+ years online4.6(474)
Other Businesses in This Area
Arizona Backup Power | Generac | Electrical
5.0~4 years onlineCentral Power Systems & Services
5.028+ years onlineReman Electric
5.0RP Energy Electrical Contractors
5.0Land Profit Generator
4.916½+ years onlineMr. Electric of Phoenix Metro
4.930+ years onlineEmpire Power Systems Parts
4.8Phoenix Electricians Today
4.813½+ years onlineParker & Sons
4.722½+ years onlineAPD Power Center
4.6~23 years onlineSouthFace Solar & Electric
4.613+ years onlineTempe Power Equipment LLC
4.4~22 years onlineLoftin Equipment Co
4.0~29 years onlineValleywide Generator Service, LLC
3.914½+ years onlineEmpire Power Systems
3.429+ years onlineAffordable Generator and Power Systems, LLC
1.819½+ years onlineGenerator Installation in Nearby AZ Cities
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About Generator Installation in Phoenix
Generator installation ranges from portable transfer switch setups to whole-home standby generators that start automatically during power outages. Standby generators connect to your electrical panel and run on natural gas or propane.
Typical costs: A transfer switch for a portable generator costs $500–$1,500 installed. Whole-home standby generators (Generac, Kohler) typically run $5,000–$15,000 fully installed including the concrete pad, gas line, and electrical connections.
Common projects include:
- Whole-home standby generator installation
- Transfer switch installation for portable generator
- Generator maintenance and load testing
- Natural gas line connection for generator
- Commercial backup power systems
Standby generator installations require electrical permits and often gas or plumbing permits for the fuel line. Some areas also require noise or setback compliance.
Frequently Asked Questions
- How much does generator installation cost in Phoenix?
- A whole-home standby generator (14–22 kW) with automatic transfer switch typically costs $5,000–$15,000 installed. The unit itself is roughly half the cost — installation includes the concrete pad, gas line, electrical hookup, and permits.
- How do I find a reliable generator installation contractor in Phoenix?
- Choose an installer authorized by the generator manufacturer (Generac, Kohler, Briggs & Stratton). They should perform a load calculation to properly size the unit, not just recommend the biggest one. Ask about warranty terms and annual maintenance plans.
- Do I need a permit for generator installation in Phoenix?
- Yes — standby generators require electrical permits and typically gas or plumbing permits for the fuel connection. Your installer should handle all permit applications and coordinate inspections.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Phoenix and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.