Welcome To Garthside.com

For over 30 years, customers have relied on the products and services offered by Garthside Ltd. and their staff.

Heating & Cooling

Our team has the expertise to design and install your heating and cooling solution, no matter how big or small.

Commercial Service

Whether servicing your existing HVAC systems or upgrade with new equipment, Garthside Ltd. can assess your HVAC needs fairly and honestly.

Raidiant Heating

We are an authorized Uponor dealer for in-floor heat backed by a 25-year warranty. It's true comfort while saving money on heating bills.


Welcome to Garthside Ltd.
Your Local Heating & Cooling Specialists


Garthside is your local source for a wide variety of heating & cooling products and services including:

  • Carrier Commercial HVAC products & services
  • Bryant heating & cooling products & accessories
  • Furnaces, A/C and Air source heat pumps
  • Boilers, radiant systems & tankless water heaters
  • "Lifebreath" (HRV) heat recovery ventilation systems
  • Ductless heat pumps / air conditioning
  • Fireplaces
  • Generators
  • 24-hour emergency service
  • Water heater rentals
  • Duct cleaning
  • Financing plans available

Garthside News

We Make House Calls!

We carry a full line Heating & Cooling Products from brand names you can trust. Call (705) 549-2861 to book your FREE estimate. Financing available, OAC.

Browse Our Job Photo Gallery

Regular Maintenance

When service or replacement is needed, we will outline all your options fairly and honestly. Our workmanship is fully guaranteed and we offer 24-hour emergency service.

Book Your Protection Plan Appointment

Satisfaction Survey

Your satisfaction is important to us. Please take a moment to fill out this survey and receive 10% off your next annual clean and service.

Complete the Survey