Same-day service available
Your Comfort Is Our Business
Same-day heating and cooling service from a family you can trust. Licensed, insured, and serving the Nackawick to Grand Falls area for over 12 years.
What we do
Heating & Cooling Services
Heating
From furnace repairs to full system replacements, we keep your home warm all winter long. We service all major brands and models.
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Cooling
Central air conditioning installation, tune-ups, and emergency repairs. Beat the summer heat with a system that runs right.
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Maintenance
Annual maintenance plans that extend equipment life, improve efficiency, and catch small problems before they become costly ones.
Learn moreEmergency Service
Furnace out at midnight? We answer the call 24 hours a day, 7 days a week. No extra charge for after-hours emergency calls.
Call nowReal jobs, real results
Our Work
From mini-split installations to full ductwork and deep cleaning — here's a look at some of the jobs we've completed for homeowners across the region.
Installations & Service
Mini-Split Cleaning
Regular cleaning keeps your mini-split running efficiently and your air quality high. See the difference a professional clean makes.
HRV & Ductwork Cleaning
Clean ducts and a properly serviced HRV mean better air quality and a more efficient system all year round.
What our customers say
Trusted by Families Across the Region
“Johnston HVAC had our furnace back up and running within two hours of calling. Professional, honest, and fairly priced. We won't call anyone else.”
Sandra M.
Nackawick, NB
“They installed our new central air system last spring and the difference is incredible. The crew was respectful of our home and cleaned up everything.”
Dave & Karen T.
Grand Falls, NB
“I've been on their annual maintenance plan for three years. It's the best money I spend — no surprises, no breakdowns, just a comfortable home.”
Robert L.
Woodstock, NB
Need Service Today?
Call us now for same-day service or fill out our quick quote form. We'll get back to you within the hour.