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Home Generator Index

Best Standby Generators & Backup Power in Ajax

Last updated:ByStandby Power Desk

Durham · average 4.7★ across all 19 · most listed under Electricians · compiled August 2026

19 companies serving Ajax are listed here. They average 4.7★ on Google. Most of them, 15, are filed under Electricians.

4 of the 19 say on their own website that they install or service generators, transfer switches or battery backup. Their rows below say so. The other 15 are listed for their trade and have not been shown to do that work.

How do the categories compare across Ajax?

4 categories cover Ajax, from electricians at 15 companies down to hvac & fuel line contractors at 2.

Home Generator Index dataset, August 2026. Ratings from public Google reviews; price ranges are typical GTA figures from each category's cost guide.
CategoryListed companiesAvg rating, 3+ reviewsTypical price range
Electricians154.96★$80–$150 per hour (CAD)
Standby Generator Installation24.65★$6,500–$9,500 per project (CAD)
Electrical Panel Upgrades24.95★$1,500–$4,000 per project (CAD)
HVAC & Fuel Line Contractors24.95★$1,200–$2,200 per project (CAD)

Who are the best electrical contractors in Ajax?

See all 15

Home Generator Index lists 15 electrical contractors serving Ajax. 12 have enough review history to judge; between them, 4.96★ across 622 reviews. The current top-ranked pick is RAEM Electric INC at 5★ from 228 reviews.

Who are the best standby generator installers in Ajax?

Home Generator Index lists 2 standby generator installers serving Ajax. All of them carry review history: 4.65★ on Google over 7 reviews. The current top-ranked pick is Genworx Power Systems at 5★ from 4 reviews.

Who are the best electrical panel upgrade contractors in Ajax?

Home Generator Index lists 2 electrical panel upgrade contractors serving Ajax. Every one clears three reviews, and the group sits at 4.95★ across 292. The current top-ranked pick is RAEM Electric INC at 5★ from 228 reviews.

Who are the best HVAC and fuel line contractors in Ajax?

Home Generator Index lists 2 HVAC and fuel line contractors serving Ajax. Every one clears three reviews, and the group sits at 4.95★ across 198. The current top-ranked pick is HVAC Trades at 5★ from 50 reviews.

Which other companies are listed in Ajax?

The 11 companies not shown above, in ranked order. Each profile has the full record.

  1. Enrico's Electrical Company
  2. Electrician Ajax | PowerGrid Electric
  3. Riley Group Electrical Limited - Licensed Electricians
  4. NSW Electric
  5. Facility Electric Services
  6. Quality Electric Inc
  7. VGN Electrical Contracting
  8. AllWired Ltd
  9. Hayatt Electric Contracting Corporation
  10. Ajax Electrical
  11. Prime 1 Electric

Which nearby areas can I also compare?

Questions to ask, on the electricians page.

What people ask about backup power in Ajax

How deep is the Ajax list?

Home Generator Index's August 2026 dataset lists 19 companies serving Ajax, and the group averages 4.7★ on Google. Most of them, 15, are filed under Electricians. 4 of the 19 say on their own website that they install or service generators, transfer switches or battery backup; the rest are listed for their trade and have not been shown to do that work.

Which category scores highest in Ajax?

Electricians companies in Ajax average 5.0★ across 12 rated businesses, the highest of any category Home Generator Index tracks in this area. Ratings come from Google reviews, and Home Generator Index weighs review volume as well as stars.