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WaterFurnace 3 Series™ Geothermal Air Conditioner

Request A FREE QUOTE on our geothermal cooling products and services!

A great balance of value and performance.

Knowing what type of air conditioner or heater unit to install in your home is not easy - but at Gravenhurst Plumbing, Heating and Electric, we help you find the best HVAC solution for your specific needs! 

Are you looking for a heating and cooling option that has both great value and excellent performance? Our team of qualified heating and cooling technicians have served the Muskoka area with quality geothermal products that provide both of those things! 

Install an easy and efficient geothermal heating and cooling system for your home or cottage this year! Experience total comfort while saving money and time! Why should you choose geothermal cooling? Click the links below to learn more about geothermal heating and cooling benefits!

Why Choose Geothermal Cooling?

How Does Geothermal Work?


The 3 Series Geothermal Unit By WaterFurnace

One of the top geothermal heating and cooling units that Gravenhurst Plumbing, Heating and Electric provides is our 3 Series Geothermal Unit by WaterFurnace. This unit provides advanced technology, incredible engineering advancements and tried and true results! 

If you’re looking for a high quality geothermal unit in the Muskoka area that’s both dependable and affordable, this is the perfect HVAC solution for you!

WaterFurnace 3 Series units benefit from technology that has been refined through 30 years of research, engineering advancements, and manufacturing experience - all at a great price point.

The dual capacity 300A11 offers efficiencies reaching 22.3 EER for cooling and 4.1 COP for heating in closed loop conditions (27.3 EER and 4.5 COP for open loop). These ratings are significantly greater than any ordinary conditioning system. Our Aurora communicating controls work in unison with system components to provide simple setup, troubleshooting, and diagnosis for the contractor, in addition to providing confidence and peace of mind for you.

All 3 Series units are ENERGY STAR rated and were engineered in the HVAC industry's only in-house EPA/ENERGY STAR Recognized Laboratory. Best of all, 3 Series units use the stored energy in your yard to provide savings of up to 70% on heating, cooling, and hot water.


Advanced Geothermal Technology Options By WaterFurnace

Our Gravenhurst heating and cooling technicians understand the need to stay relevant and innovative in today’s advancing technologies. That’s why we ensure that our products are sourced from trusted HVAC companies with innovative geothermal options!

The Symphony system, by WaterFurnace, is a complete system monitoring package that enables internet access to the entire unit, giving you access to all the data you need, wherever you need it. Not only to control, but also to monitor and troubleshoot your WaterFurnace from anywhere!

Symphony is also cloud-based, so there’s no software to install afterwards! This innovative technology provides you with total control over your entire geothermal system, whether you’re home or not! 

3 Series Features

  • Meets or exceeds Energy Star guidelines
  • 22.3 EER / 4.1 COP (ARI 13256-1 GLHP)
  • 2 - 6 Ton
  • Symphony Web-Enabled Home Comfort Platform [Learn More]
  • Industry Leading Warranty


Contact Gravenhurst Geothermal Experts 

Is it time to replace the heating and cooling system in your home or cottage? Contact Gravenhurst Plumbing, Heating and Cooling for more information on our geothermal HVAC options in the Muskoka region! Call us at 1(705) 687-3402 or fill in the form below for a FREE QUOTE on our geothermal cooling and heating products and services! Located in Gravenhurst, Ontario, we service Muskoka and the surrounding regions with quality HVAC service

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