Serving Ontario and surrounding communities

Trusted By Ontario Homeowners

HVAC, Solar & Home Energy Solutions Across Ontario

Serving homeowners across Ontario with reliable, affordable, and energy-efficient HVAC, insulation, solar, and home upgrade solutions.

Family & Locally Owned

3+ Years of Experience

Takes 2 mins | Zero Obligation | Fast Response

Our Expertise

Helping Homeowners With Reliable HVAC & Home Upgrades

From quick repairs to full system upgrades, we help homeowners get dependable heating, cooling, insulation, and energy solutions that lower bills, improve comfort, and add value.

Free & Fast Quotes

Energy-efficient upgrades help lower utility costs and make your home more comfortable year-round.

Skilled Workmanship

Prevent breakdowns and costly repairs with expert installation and proper system upgrades.

On-Time & Efficient Service

Get fast, professional service with no delays, confusion, or unfinished work.

How it Works

Working With Us is Easy

Professional HVAC & Home Improvement Services, made simple.

Step 1

Request a quote

Tell us about your home and what you need done using our quick form. We’ll send you a fast estimate within 24 hours.

Step 2

Site visit & detailed quote

We’ll book a time to assess your home, review your needs, and provide a clear, accurate quote.

Step 3

We get to work

Our team completes the job safely and efficiently, leaving your home more comfortable, energy-efficient, and ready to perform.

Get Your Free Estimate

Services

Complete Home Comfort & Energy Solutions

We offer a full range of HVAC, insulation, solar, and home improvement services designed to improve comfort, reduce energy costs, and deliver long-term results.

HVAC Services

Heating and cooling solutions designed to keep your home comfortable in every season.

Tankless Water Heaters

Upgrade to on-demand hot water with efficient, space-saving systems.

Solar Solutions

Reduce energy bills with clean, reliable solar power for your home.

Attic Insulation

Improve comfort and lower energy loss with proper attic insulation.

Air Conditioning Installation

Keep your home cool with efficient AC systems built for performance.

Get Your Free Estimate

Our Reviews

Trusted by Homeowners

Real reviews from homeowners who trust our service, quality, and fair pricing

FAQ

Frequently Asked Questions

Everything you need to know about our HVAC, solar, insulation, and home improvement services and how we work.

Do you offer free estimates?

Yes, we provide fast, no-obligation estimates so you know exactly what to expect before any work begins.

Are your services available in my area?

We serve homeowners across Ontario, from Windsor to Sudbury and as far east as Ottawa.

How do I schedule a service?

You can fill out our online form or call us directly at (416) 977-8008 to book your service.

What should I expect on the day of service?

Our team arrives on time, reviews the work with you, and completes the job safely, cleanly, and professionally.

Some of Our Recent Work

Real Results You Can See

Take a look at how our HVAC, solar, insulation, and home upgrades transform homes and deliver real comfort, efficiency, and savings.

What You Can Expect From Us

Helping Homeowners With Reliable HVAC & Home Services Across Ontario

Welcome to Greenstar Ontario, your trusted local team for reliable, high-quality HVAC, solar, insulation, and home improvement services. Whether you need a repair, new installation, or ongoing maintenance, you can expect a smooth process and results that last.

You shouldn’t have to deal with missed appointments, unclear pricing, or work that needs to be redone. At Greenstar Ontario, we show up on time, communicate clearly, and get the job done right the first time. Every project — big or small — is handled with care and respect for your home.

From the moment you reach out, everything is simple. You’ll get clear answers, honest recommendations, and a plan that fits your needs. No guesswork and no pressure — just reliable service you can trust.

At Greenstar Ontario, your time matters. That’s why we keep everything efficient and hassle-free, so you can focus on what matters while we handle the work properly.

Homeowners choose Greenstar Ontario for consistency, professionalism, and peace of mind. It’s not just about finishing a job — it’s about delivering service you feel confident recommending.

If you’re looking for dependable home service professionals who take pride in their work and stand behind it, you’re in the right place.

Reach out today to get started and see how Greenstar Ontario can help keep your home comfortable, efficient, and running smoothly.