Heliotechnik Inc. Solar
“They offered us a larger system, high-quality inverter that allows detailed monitoring, and huge support throughout the process.”
Best Solar Panel Installers near Caledon, ON
None of these contractors is based in Caledon; they work from towns including Mississauga (34 km), Toronto (42 km) and Bolton (11 km).
10 contractors listed · 3 open weekends · 7 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
Grasshopper Energy
“When ever I've had an issue (and there weren't many) the gals like Tanya & Hina in the Client Care department are fantastic!”
Deeva Solar
Avvia Renewable Energy
“For our project, Avvia delivered superior customer service throughout the needs assessment and proposal state.”
Energypal
“Was easy process without a pressure push to buy any one program”
CMI Solar
“They were professional, timely, and responsive throughout the entire process, from the initial quote to post-installation support.”
The 10 contractors listed for Caledon, ON design and install rooftop and ground mounted solar systems. Each entry repeats what the company publishes about certifications, equipment and hours, together with star ratings and comments drawn from public reviews.
Area overview: Caledon, ON
9 of the 10 contractors on this page have a rating, from 3.9 to 5.0 across 1,604 reviews; 2 have 50 or more reviews and 7 are rated 4.5 or higher. 3 are open on Saturdays and 1 on Sundays. 1 shows a licence on its website. Domain records put 3 websites of the contractors on this page at ten or more years old; the oldest dates from 2002. 3 offer financing or payment plans; 5 give free estimates; 2 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 9 of the contractors on this page; 8 publish a contact page; 8 list a public email and 2 take bookings online. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Is anyone in Caledon itself doing solar work?
Not in the listings yet. The 10 contractors shown are the nearest within 45 km. These crews work across a region from a single yard. Ask what a service visit looks like once the install is done, because that is the part distance really affects.
Toronto
“I am extremely satisfied with how the whole procedure developed, from quoting to how the roof was done in one, yes one day including clean up.”
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Green Integrations Inc.
“They explained everything clearly, had a lot of experience working on all types of electrical projects, and seemed honest.”
Ecohive
“Very professional, prompt to communicated and they worked very hard to help get my system online despite the hurdles from the utility company.”
Solify
“I had my doubts and concerns about going solar but after talking with Ben and the explanations he gave me I have a much better understanding of what solar is and I'm 100% into it.”
Why these companies made our list
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