About Johnston HVAC Service
A family-run HVAC business serving the Nackawick to Grand Falls region for over 12 years.
Local. Reliable. Experienced.
Johnston HVAC Service has been keeping homes and businesses comfortable across central New Brunswick for over 12 years. We're a local, family-run operation — not a big franchise — which means you get honest advice, fair pricing, and a technician who actually cares about the job.
We specialize in mini-split installation and cleaning, HRV service, ductwork cleaning, and full heating and cooling system maintenance. Whether you need a new system installed or just want your existing equipment running at its best, we've got you covered.
We serve Nackawick, Grand Falls, and all the communities in between. When you call us, you're talking to the people who will actually show up and do the work.
Why choose us
What Sets Us Apart
12+ Years Experience
Over a decade of hands-on HVAC work across central New Brunswick.
Local & Family-Run
We live and work in the same communities we serve. Your reputation matters to us.
Honest Pricing
No hidden fees, no upselling. We tell you what you need and what it costs.
All Makes & Models
We service and clean all major brands of mini-splits, HRVs, and HVAC equipment.
Residential & Commercial
From single-room mini-splits to full commercial HVAC systems.
Service Area
Nackawick to Grand Falls and all surrounding communities.
Ready to book a service?
Call or email us today — we'll get you scheduled fast.