Retrofit Overview

We offer the products and installation services to complete a custom retrofit to your plumbing, gas, and HVAC systems. We sell and install your replacement:

  • Furnaces
  • Air Conditioners
  • Air quality enhancements
    (purifiers, humidifiers, ERVs, HRVs)
  • In-floor heating
  • Venting/ductwork alterations
  • Fireplace installation
  • Natural gas or propane conversions from oil or electric
  • Garage heaters
  • Tube heaters
  • Mini split systems
  • Heat pumps
  • Hot water heaters
  • Water softeners
  • Reverse osmosis systems
  • Water filters (carbon, iron filters, etc.)
  • and more…

Dedicated Retrofit Department Staff

What to Expect With a Replacement

Our dedicated Retrofit department staff will help you through the complete process of replacing or upgrading your equipment. We will ask the right questions and even visit your home ahead of time to customize the equipment for your unique residential needs.

And you never have to worry about cleaning up; on the day of installation we take care of removing and disposing of the old equipment.

Replacement Warranties

Hy-Mark offers several industry-leading warranty coverage programs to cover any future parts and labour service costs on your equipment. Once we install your equipment, we keep track of your warranty coverage period for you. Additional warranty coverage can be gained by registering your products with the manufacturer.


Get the comfort you need now and pay later! We have financing available to accommodate different needs.

We only hire trained and experienced professionals to ensure that you receive the most reliable replacement service in the Guelph area. We offer systems with advanced technological features at competitive prices. Ask us about our installation financing options available to customers with approved credit.

company icon