Top-Rated Home Battery Installers in Markham, ON
7 local companies ranked by 562 Google reviews. Free to compare, no sign-up.
Short answer: The top-rated home battery installers in Markham are Innovation Electric Inc. (5.0★, 233 reviews), Haneco Energy (4.8★, 82 reviews), TACSA Electric Inc. (4.9★, 17 reviews).
Home Battery installers in Markham, ranked
- 5.0 (233 Google reviews)172 Bullock Dr Unit#33, Markham, ON L3P 7M9
- Haneco EnergyAlso installs solar4.8 (82 Google reviews)215 Shields Ct #3, Markham, ON L3R 8V2
- 4.9 (17 Google reviews)7165 Yonge St, Markham, ON L3T 0C9
- ElectrovoltageAlso installs solar4.7 (31 Google reviews)118 Highland Park Blvd, Markham, ON L3T 1B7
- Signature Electric LtdAlso installs solar4.6 (85 Google reviews)400 Esna Park Dr Unit 1, Markham, ON L3R 3K2
- New Dawn Energy SolutionsAlso installs solar4.6 (67 Google reviews)7321 Victoria Park Ave #8, Markham, ON L3R 2Z8
- Terawatt SolarAlso installs solar4.6 (47 Google reviews)7030 Woodbine Ave #500, Markham, ON L3R 6G2
Together these 7 companies average 4.8★ across 562 reviews. Innovation Electric Inc. has the most reviews (233).
Ranked by Google rating weighted by review count, collected September 2026. Rankings are not paid for. How we rank and how we make money.
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What a home battery costs in Markham
Price depends on the brand, how much storage you want, and whether you need a panel upgrade. Ask for the price per usable kWh so quotes are easy to compare.
That could cut your cost by up to $5,000 if you qualify. Most rebates have rules (income, your current heating, a registered contractor, approval before work starts).
Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.
Talk to a registered energy advisor first. Some rebates need an evaluation or heat load calculation before any work starts. See the top-rated registered energy advisors in Markham. Read when to call an energy advisor.
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Which battery should you ask about?
Most home installers work with a few brands. Compare usable storage (kWh), how much power it can deliver at once (kW), whether it works in an unheated garage, and the warranty. Our side-by-side guides cover the Tesla Powerwall 3, Enphase IQ Battery 5P, Eguana Evolve and FranklinWH aPower 2. Compare home batteries.
Before you hire a home battery installer
- Ask for the usable storage (kWh) and the continuous power (kW), and which circuits it will keep running in an outage.
- Ask whether the battery is on your rebate program's approved list. Brands not on the list get no rebate.
- Ask where it will go. Some batteries lose capacity or stop charging in a cold garage.
- Ask about the warranty: years, and how much capacity it keeps by the end.
Questions about home battery installers in Markham
Who is the best home battery installer in Markham?
Based on Google reviews, the top-rated home battery installers in Markham are Innovation Electric Inc. (5.0★, 233 reviews), Haneco Energy (4.8★, 82 reviews), TACSA Electric Inc. (4.9★, 17 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.
How are the home battery installers in Markham ranked?
We list 7 home battery companies in Markham, ranked by Google rating weighted by review count. Together they have 562 Google reviews and average 4.8 stars, collected September 2026. Innovation Electric Inc. has the most reviews (233). No company pays to be listed or ranked.
How much does a home battery installation cost in Markham?
Battery prices depend on the brand, how much storage you want, and whether you need a panel upgrade. Ask for the price per usable kWh so quotes are easy to compare.
Are there rebates for home batteries in Markham?
Yes. Our verified program data shows battery rebates up to $5,000 open in Markham. Most rebates have rules, such as income, your current heating, a registered contractor, or approval before work starts, so check the rebate page before you sign.
What should I ask a home battery installer before I hire?
Ask for the usable storage (kWh) and the continuous power (kW), and which circuits it will keep running in an outage. Ask whether the battery is on your rebate program's approved list. Brands not on the list get no rebate. Ask where it will go. Some batteries lose capacity or stop charging in a cold garage.
Before you call anyone, check what home battery rebates you can get in Markham. Many programs require approval or a registered contractor before work starts.
Planning more upgrades? See the top-rated heat pump installers, solar installers, insulation installers, energy advisors in Markham.
How to read these results
- Open the profile.How a installer describes its own work tells you a lot. Look for jobs like yours.
- Read the Google reviews.Stars and counts come from Google Maps. Click through and read what past customers wrote, good and bad.
- Check for program badges.A green registered-contractor badge means the company is on the program's own list, which some rebates require.
- Compare three.Do not stop at the first good installer. Three quotes show you the real range in price, equipment and plan.
Not ready to talk to a contractor yet?
Short reads and quick quizzes. Learn the rules first, then call.
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