About Infills Mechanical
Calgary's owner-operated HVAC & plumbing experts — licensed, insured, and Lennox Premier certified.
Our Story
Owner-Operated. Quality Driven.
Infills Mechanical was founded by Maninder Sains with a simple mission: provide honest, high-quality HVAC and plumbing service to Calgary homeowners at a fair price.
As a Lennox Premier Dealer, we are factory-trained on the industry's most reliable equipment. We treat every home like it's our own — clean, careful work with upfront pricing and no surprises.
Whether it's a furnace breakdown at midnight or a new AC installation, you'll work directly with our certified technicians — not a call centre. That's the Infills Mechanical difference.
You approve the price before we start. No surprises, ever.
Same-day service and 24/7 emergency availability across Calgary.
Factory-trained, certified, and continuously educated.
We recommend systems that save you money long-term.
What We Do
Our Services
Furnace Repair
Fast furnace repair, installation & replacement — all major brands.
Air Conditioning
AC installation, repair, tune-ups & R-454B-ready systems.
Electrical
Residential & commercial electrical — panel upgrades, EV chargers, wiring & repairs.
HRV Systems
Heat recovery ventilation — fresh air, lower energy bills, healthier home.
Duct Cleaning
Whole-home duct cleaning — remove dust, allergens, pet dander & construction debris.
Garage Heaters
Gas, propane & electric garage heaters — sized, vented, and permit-ready.
Smart Thermostats
Nest, Ecobee, Lennox iComfort & Honeywell — installed, wired, and paired.
Humidifiers
Aprilaire, Honeywell & Lennox whole-home humidifiers — installed and serviced.
Plumbing
Residential & commercial plumbing — leak repairs, drains, fixtures, water heaters.
Reviews
What Customers Say
"Got three quotes for a new AC unit. Infills had the best price and the installation was flawless. Clean, efficient, and explained everything clearly."
"Had our panel upgraded and an EV charger installed. Excellent work, passed inspection first try. Will definitely use Infills for all our needs."
"Emergency call at 11pm on a Saturday. They answered immediately and had a tech at our house within 90 minutes. Incredible service."