LennoxAuthorized Dealer
Heating • Cooling • Hot Water

Complete HVAC service for Niagara homes

Whether you need a quick repair, seasonal maintenance or a full system replacement, Air 1 will explain your options and help you choose confidently.

What we do

Solutions for every season

Professional installation, diagnostics, repairs and maintenance for residential comfort equipment.

Technician diagnosing a residential high-efficiency furnace
Heating serviceFurnaces, airflow and controls
Technician checking a boiler and tankless water heater
Boilers & hot waterHydronic, tank and tankless systems

Furnace Installation & Repair

From no-heat calls to high-efficiency replacements, we diagnose the problem carefully and recommend a sensible solution.

  • Fast furnace diagnostics and repair
  • High-efficiency system replacement
  • Proper sizing and airflow setup

Air Conditioning

Keep your home cool and comfortable with dependable AC repair, replacement and maintenance.

  • Cooling and refrigerant diagnostics
  • Energy-efficient installations
  • Seasonal cleaning and tune-ups

Heat Pumps & Dual Fuel

Year-round heating and cooling with expert equipment selection, controls and cold-weather setup.

  • Heat pump installation and repair
  • Dual-fuel furnace integration
  • Thermostat and control setup

Boilers & Hydronic Heating

Reliable boiler service for warm, even comfort and efficient hot-water heating systems.

  • Boiler diagnostics and repair
  • New boiler installation
  • Pumps, controls and system maintenance

Water Heaters & Tankless

Restore dependable hot water with repair and replacement options for tank and tankless systems.

  • Tank water heater replacement
  • Tankless repair and maintenance
  • Venting and gas connections

Gas Lines & Appliances

Safe, code-compliant gas piping for home-comfort equipment and household appliances.

  • New gas line installation
  • Pressure testing and leak checks
  • Connections for stoves, dryers and BBQs

Ductless Mini-Splits

Quiet, flexible comfort for additions, older homes and spaces without traditional ductwork.

  • Single and multi-zone systems
  • Installation and troubleshooting
  • Cleaning and seasonal service

Maintenance & Tune-Ups

Preventive service helps reduce breakdowns, protect efficiency and extend equipment life.

  • Heating and cooling inspections
  • Cleaning and safety checks
  • Performance and airflow testing
Repair or replace?

We help you make the practical choice

A breakdown does not always mean you need new equipment. We look at the age, condition, repair cost, efficiency and comfort problems before recommending the next step.

  • Clear explanation of what failed and why
  • Upfront repair and replacement options
  • Equipment matched to your home and budget
  • No-pressure recommendations
Request an Estimate
365°

Year-round comfort

Heating, cooling and hot water support from one trusted local team.

Common questions

Service FAQs

Yes. Air 1 provides free estimates for planned equipment installation and replacement work. Diagnostic service calls may have a service fee, which we will explain before scheduling.
We serve homeowners across Niagara Region, including St. Catharines, Thorold, Welland, Niagara Falls, Pelham, Port Colborne, Fort Erie and surrounding communities.
Yes. Call 289-228-9129 and tell us what is happening. We will confirm the earliest available service time and provide immediate safety guidance when appropriate.
Yes. We diagnose and repair many common residential HVAC brands and system types, whether or not Air 1 completed the original installation.
Yes. Air 1 Heating & Cooling is an Authorized Lennox Dealer serving Niagara Region. We can help with Lennox furnace and air-conditioning equipment selection, installation and service.

Not sure which service you need?

Describe the problem and we’ll help you take the right next step.