# Hannon Group > Hannon Group is the parent company of Hannon Refrigeration, a commercial refrigeration contractor serving all of Ontario, Canada for more than 25 years. In-house crews design, build, install and maintain custom walk-in coolers, walk-in freezers and cold storage rooms, and deliver refrigeration and HVAC for restaurant, grocery and retail fit-outs. Key facts: - Service area: all of Ontario (Toronto, Mississauga, Brampton, Vaughan, Markham, Hamilton, Ottawa, London and province-wide) - 100% in-house installation crews; no subcontractors - Free site assessment; quotes answered within one business day - New and used walk-ins; manufacturer's warranty on new equipment, with warranty service handled by Hannon - Repairs on any brand; preventive maintenance plans (quarterly, semi-annual, annual) - Contact: hannongrp@gmail.com, (647) 205-0778 ## Walk-ins and cold storage - [Walk-In Cooler & Freezer Installation](https://hannongroup.ca/pages/walk-in-coolers-freezers) - [Walk-In Coolers](https://hannongroup.ca/pages/walk-in-coolers) - [Walk-In Freezers](https://hannongroup.ca/pages/walk-in-freezers) - [Custom Cold Storage Rooms](https://hannongroup.ca/pages/custom-cold-storage) - [Walk-In Coolers & Freezers for Sale, new and used](https://hannongroup.ca/pages/walk-ins-for-sale) - [Reach-In Refrigeration](https://hannongroup.ca/pages/reach-in-refrigeration) ## Service and support - [Repair or Replace?](https://hannongroup.ca/pages/walk-in-repair) - [Maintenance Plans & Service](https://hannongroup.ca/pages/walk-in-service-maintenance) - [Refrigeration Parts](https://hannongroup.ca/pages/refrigeration-parts) - [Commercial HVAC](https://hannongroup.ca/pages/commercial-hvac) ## Commercial fit-outs - [Commercial Fit-Outs](https://hannongroup.ca/pages/commercial-fit-outs) - [Restaurant Fit-Outs](https://hannongroup.ca/pages/restaurant-fit-outs) - [Grocery & Supermarket Fit-Outs](https://hannongroup.ca/pages/grocery-store-fit-outs) - [Retail Fit-Outs](https://hannongroup.ca/pages/retail-fit-outs) ## Service areas - [All of Ontario](https://hannongroup.ca/pages/service-area) - [Toronto](https://hannongroup.ca/pages/walk-in-cooler-installation-toronto) - [Mississauga](https://hannongroup.ca/pages/walk-in-cooler-installation-mississauga) - [Brampton](https://hannongroup.ca/pages/walk-in-cooler-installation-brampton) - [Vaughan](https://hannongroup.ca/pages/walk-in-cooler-installation-vaughan) - [Markham](https://hannongroup.ca/pages/walk-in-cooler-installation-markham) ## Company - [About Hannon Group](https://hannongroup.ca/pages/about) - [Frequently Asked Questions](https://hannongroup.ca/pages/faq) - [Request a Quote](https://hannongroup.ca/pages/request-a-quote)