Top HVAC Contractor in Toronto | Heating, Cooling & Water Experts

Toronto’s #1 HVAC Contractor for Heating, Cooling, and Water Solutions

Transform your Toronto home or business comfort with Go Lime. Our premium range of HVAC solutions including air conditioning, furnaces, heat pumps, water purification systems, and efficient water heaters carefully tailored to suit the local climate and your lifestyle needs.

Transparent, upfront pricing - no hidden fees or surprises

Fast, hassle-free ordering built to save you time and stress

Simplified home comfort - from quote to installation

Proudly Canadian service trusted by thousands across Ontario

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Efficient Heating, Cooling & Water Solutions for Toronto Homes

Tank Water Heater

Affordable Comfort. Reliable Hot Water for Toronto Families

Get reliable hot water without the high price tag. Our EnergyStar® Certified tank water heaters start at just $24.95/month, making them the smart, budget-friendly choice for Toronto homeowners. Perfect for families who want lasting comfort without the stress.

Upgrade for $24.95/mo

tankless water heater

Endless Hot Water on Demand in Toronto

Upgrade to continuous comfort with our ultra-efficient tankless water heaters starting at just $34.95/month. Designed to save space, reduce energy bills, and deliver hot water on demand, it’s the modern solution for busy Toronto homes.

Go Tankless Today

Furnace

Stay Warm. Spend Less.

Keep your home cozy through every Toronto winter with our high-efficiency furnaces - starting at just $34.95/month. Built for cold climates, our systems deliver powerful, even heating while lowering your monthly energy bills. Reliable warmth, all season long.

Comfort That Pays Off

Heat Pump

All-Season Comfort. One Smart System.

Enjoy heating and cooling in one ultra-efficient unit. Our heat pumps are built to handle Toronto’s changing weather keeping your home warm in winter and cool in summer. Starting at just $49.95/month, it’s the perfect balance of comfort and savings.

Find Your Perfect Fit

Air Conditioner

Cool Comfort. Built for Toronto Summers.

Beat the heat with our high-efficiency air conditioners starting at just $44.95/month. Designed to handle even the hottest days, our AC systems deliver powerful, quiet cooling while keeping your energy bills low. Breathe easy with comfort that lasts.

Shop Cooling Solutions

Boiler

Efficient Heat. Quiet Comfort.

Delivering dependable, even heating throughout your home, our high-performance boilers are ideal for Toronto winters. Starting at just $69.95/month, these systems offer whisper-quiet operation, energy efficiency, and long-lasting comfort you can count on.

Explore Boiler Options

Water Filter

Cleaner Water. Healthier Living.

Protect your family with advanced water filtration that removes impurities and improves taste right from the tap. Starting at just $9.95/month, our systems are designed for Toronto homes to deliver safe, great-tasting water every day.

Browse Clean Water Solutions

Peace of Mind. Covered Year-Round.

From water heaters to air conditioners, we’ve got you covered with affordable, worry-free coverage that keeps comfort running smoothly - no surprise costs.

Explore Plans

HVAC Guides & Resources

Get valuable insights to make informed decisions about heating, cooling, water purification, and more. Explore Go Lime's expert-created guides and simplify your path to ultimate home comfort.

Guide

Tank VS Tankless

Choosing between a tank or tankless water heater? Learn the pros, costs, and energy savings to find the best fit for your home.

Guide

No Hot Water?

No hot water? Learn common water heater issues and fixes for gas, electric, tank, and tankless systems.

Tips

Should I Turn Off My Furnace in Spring?

Learn when and why it makes sense, plus expert HVAC tips for Ontario homeowners from Go Lime experts.

Maintenance

Tips to Keep Your Home Comfort Equipment Running Smoothly

Explore expert advice, and how-to guides on water heaters, HVAC systems, and home comfort solutions.

Guide

Tank VS Tankless

Choosing between a tank or tankless water heater? Learn the pros, costs, and energy savings to find the best fit for your home.

Guide

No Hot Water?

No hot water? Learn common water heater issues and fixes for gas, electric, tank, and tankless systems.

Tips

Should I Turn Off My Furnace in Spring?

Learn when and why it makes sense, plus expert HVAC tips for Ontario homeowners from Go Lime experts.

Maintenance

Tips to Keep Your Home Comfort Equipment Running Smoothly

Explore expert advice, and how-to guides on water heaters, HVAC systems, and home comfort solutions.

Serving Homes Across the Greater Toronto & Surrounding Areas

From downtown condos to suburban family homes, Go Lime proudly delivers high-efficiency heating, cooling, and water solutions throughout Toronto and nearby regions. Whether you're in Etobicoke, Scarborough, North York, or beyond, we're here to make your home more comfortable, efficient, and worry-free.

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What our customers say

5000+

Reviews

"Go Lime and their helpers did a very professional job. They also cleaned up after they were done. I'd recommend these guys to do any installations."

Manny Teves

Bradford White 50 Gallon Power Vent Water Heater

"Go Lime was very quick in installing new hot water tank. I am really happy with their service and was surprised that they finished installation within 1-2 hrs very professionally."

Meet Patel

Bradford White 50 Gallon Power Vent Water Heater

"I had to contact Go Lime due to issues with my tankless water heater. I ended up speaking with May. She was very polite and professional. Listened to my issues and took immediate action to take care of them."