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46 Years
experience
Emergency
services
Your Trusted HVAC Partner in Hamilton
Rennie ClimateCare has served Hamilton and surrounding areas for over 40 years, delivering trusted HVAC solutions to residential clients. As a family-owned business, we combine decades of expertise with competitive pricing to ensure homeowners receive exceptional value. Our team specializes in furnace and air conditioning installation, repair, and maintenance, backed by a 100% satisfaction guarantee.

We prioritize customer needs, offering same-day service and prompt callbacks to ensure comfort year-round. As a distinguished York dealer, we provide premium-quality products and personalized service, maintaining a strong reputation through referrals and long-term client relationships. Our commitment to innovation and reliability ensures homes achieve optimal heating, cooling, and indoor air quality.
Services
Furnace Installation AC Repair Indoor Air Quality Hot Water Solutions Emergency Service Humidifier Repairs Water Heater Maintenance
Details
  • Year established: 1980
Highlights and features
  • We offer 40+ years of HVAC expertise in Hamilton's climate-specific needs.
  • Our family-owned business guarantees competitive pricing without compromising quality.
  • 100% satisfaction guarantee on all installations and repair services.
  • Same-day service and callbacks within one hour of contact.
  • Certified York dealers providing premium, energy-efficient heating and cooling systems.
What people say
Professional and courteous On schedule as booked No complaints after 29 years Efficient and friendly service Professional service on a/c and furnace
Services
Furnace Installation
Professional furnace installation ensuring optimal home heating efficiency. We offer York brand systems with precise sizing and expert placement. Our certified technicians guarantee safe, code-compliant installations backed by manufacturer warranties.
AC Repair
Prompt air conditioning repairs for all makes and models. Our technicians diagnose issues rapidly, using genuine replacement parts. We prioritize restoring comfort while identifying long-term efficiency improvements for residential cooling systems.
Indoor Air Quality
Comprehensive indoor air quality assessments and improvements. Services include UV air purifiers, humidity control, and ventilation optimization. We address contaminants causing allergies and respiratory issues, enhancing overall home comfort and health standards.
Hot Water Solutions
Energy-efficient water heater installations and repairs. Options include tankless systems and integrated heating solutions. Our experts help reduce utility costs by 30-90% through advanced technology tailored to household size and usage patterns.
Emergency Service
Weekend emergency HVAC services for critical heating or cooling failures. Technicians respond promptly to urgent calls, prioritizing safety and immediate comfort restoration. Available outside regular business hours for system breakdowns requiring immediate attention.
Questions
What HVAC services do you offer in Hamilton?
We provide furnace and AC installation, repair, and maintenance, plus indoor air quality solutions, hot water systems, and emergency HVAC services.
Are emergency HVAC repairs available on weekends?
Yes, our emergency service responds to urgent heating and cooling failures during weekends and outside regular business hours.
Do you offer financing options for HVAC upgrades?
Yes, we provide financing solutions to help homeowners invest in energy-efficient heating, cooling, and water heating systems.
How does your 100% satisfaction guarantee work?
We guarantee complete satisfaction with our workmanship and products. If issues arise post-service, we return promptly to resolve them at no extra cost.
What makes Rennie a trusted HVAC provider?
With 40+ years in business and York certification, we combine experience, premium products, and personalized service to maintain our referral-based reputation.
Reviews (4)
Gustavo Cirone
Nov 19, 2021 Report
I sent a message to this company because my A/C stop working. They never texted or call me back. If they are not interested in a minor job, at least for courtesy, they should return the messages. Anyway, I called another company and my unit was fixed the same day.
Dave Bazowsky
Aug 03, 2021 Report
I was one of the customer's ported over from Langton Climate Care to Rennie (Langton Climate Care advised they were not servicing residential clients anymore) - in relation to my furnace and A/C Protection/maintenance plan. Not long after that, I called and had an an appointment scheduled for my yearly A/C checkup. The appointment time came and went, with no status update/phone calls advising delays. Only once I called at the end of the day, was I informed that the technician was delayed and the appointment would have to be rescheduled. Fast forward to the rescheduled appointment with a 8:30
Vi Gap-Angel
Dec 27, 2019 Report
I want to say thank you for the excellent job you did in repairing my AC system. I called 2 other companies and they all wanted to sell me new AC. But when I called Rennie ClimateCare, from my very first contact with your office, I was patiently given simple answers about the possible causes of my AC breakdown and the approximate cost to repair. Kevin, the Service Manager took his time explaining what the issue was. I took your recommendation to perform a leak test and eliminate potentially expensive trial and error. Your Technician performed the leak test and showed me exactly where the A coil
Angela Maddern
Dec 01, 2019 Report
We had our furnace and air conditioning installed in our custom built home. Everyone was professional and courteous. Weve had them back for seasonal maintenance and have always been very satisfied with their service. No hesitation in recommending them.