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Best Solar Panel Installers near Dundas, ON
1 of these contractors is based in Dundas; the others serve Dundas from towns including Mississauga, Toronto and Hamilton.
1 open 24/7 · 7 open weekends · 18 rated 4.5+ · 1 shows a licence
Data verified October 19, 2026
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Midwest Services Canada
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Wireology Inc.
- Efficient
- System
- Team
“He took as much time as was needed to address my issues and advise on the best possible solutions which is very much appreciated for someone like myself having limited knowledge and understanding of the process.”
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Rechargeables Inc.
- Professional
“He was very easy to work with, but specifically took the time to understand exactly what I needed based on what I wanted out of the system and shipped me all the components I needed to complete the installation on time.”
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Ecogrid Energy Inc.
“In my experience working with Ben and Jacob I have found Ecogrid Energy to be a very progressive company in an industry that's on the move.”
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Daisy Energy Inc
- Building
- Professional
- Team
“We got the quote, got very busy with production so had to hold off and contacted daisy energy 3 months after, They came out within couple of days with only a slight increase to the quote which was expected.”
The 24 contractors listed for Dundas, 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: Dundas, ON
19 of the 24 contractors on this page have a rating, from 4.3 to 5.0 across 1,935 reviews; 4 have 50 or more reviews and 18 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (90%), quality (74%) and responsiveness (74%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "communication". 1 is open around the clock; 7 are open on Saturdays and 2 on Sundays. 1 shows a licence on its website. Domain records put 13 websites of the contractors on this page at ten or more years old; the oldest dates from 1997. 2 offer emergency call-outs; 4 offer financing or payment plans; 9 give free estimates; 1 is family- or locally-owned and 4 list coupons or special offers. We have a website on file for 23 of the contractors on this page; 19 publish a contact page; 19 list a public email and 3 take bookings online. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
Can a survey happen outside working hours?
Weekend hours appear for 7 of the 24 contractors here, and a Saturday survey is easier for most households to arrange. Keep in mind that a useful roof survey needs daylight and a roof clear of snow and ice, which narrows the window in winter more than the calendar does.
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The Hayter Group
- Company
- Questions
- Sales
“She was extremely knowledgeable about their product and they offered us a very competitive price for the furnace and installation so we ended up going with them..”
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Only Sun Energy Inc.
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Fox Solar Systems
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Circuit Savvy Electric
- Efficient
- Kitchen
- Lights
“Based on previous work that Kyle has done for me in the past (upgraded to a 200A panel) and others (he was a referral to me), I did not contact multiple electricians for quotations as we have remained in contact through the years and his work has alw...”
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Isolar Solutions
- AC
- Attic
- Heat
“The AC works half as hard as it did on similarly hot days last year (30+ degrees celcius) and, paired with our Nest thermostat, it's reduced our hydro use… we'll know more about precisely how much in the coming weeks.”
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S.a.w. Technology
- Boat
- Price
- Products
“He's a man of his word, I purchased my solar panels and batteries and came back a week later to find they were on sale, without question he refunded the difference.”
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JT Canada Inc.
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Solar Dynamics
- Schedule
- Company
- Informative
“Starting with a first site visit by Sabolc Visontay the process was well explained, analysis of my solar potential was thorough, and the project was well executed.”
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VCT Group Inc.
- Team
- Price
- Quote
“Nathan was very quick to respond to my initial inquiry, helped guide me through the decision-making process, and provided a detailed, transparent quote for the job.”
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Energypal
- Confident
- Finance
- Geeks
“Caleb was very professional and actually corrected the estimated amount by a previous rep, of solar panels we required to maximize our electricity production.”
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Goldwater Solar Services Ltd
- Solar Water Heating
- Roof
- Season
“Service call was promptly scheduled, team arrived on time, demonstrated the issue and the solution, answered questions and provided a refresher on the functionality.”
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CMI Solar
- Attention
- Project
- Garage
“Additionally, to facilitate the new system our electrical panel needed to be expanded to which, CMI was able to provide the equipment and install with excellent service.”
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Toronto
- Clean
- Company
- Quote
“Unfortunately they were unable to complete the job in one day, but were back early the next day and in no time, the job was done, and the site was cleaned.”
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Green Integrations Inc.
- Led
- Communication
- Felt
“It wasn't easy, starting with the big supply chain problems the entire world went through after the COVID-19 pandemic (just ask Corey how he managed to buy and deliver all the pieces), the various obstacles of installation, the weather not cooperatin...”
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Exactus Energy
- Understanding
- Drawing
- Company
“With their intimate understanding of solar, they are an invaluable partner to owners and installers seeking best-in-class engineering services and support.”
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Reboot Solar
- Information
- Questions
“However, Michael is partner of Ida played trick when he shown me the video of how the bracket will be installed on the roof by skipping the part he did not like me to see because I was asking seriously will the installer drill through my shingle .”
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AGT Solar
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Ontario Solar Installers
“Seven years ago, Dennis and his team at Ontario Solar Installers installed solar panels in my house.”
Solar Panel Installation Services in Dundas, ON Cost Estimates
Minimum cost
$5137
Maximum cost
$50226
National Average
$26611
Avg Per Hour Rates
$132
$18553
$34814
Fair price range is based on 526 cost profiles
Why these companies made our list
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