Air Conditioners

Cosmopolitan Heating and Duct Cleaning offers the perfect home air conditioning products and services ...


At Cosmopolitan Heating and Duct Cleaning Services, we carry the affordable and reliable furnace products ...

Residential Boilers

If you are looking for energy saving and ultimate home heating boiler experience than you can count on...

Tankless Water Heaters

Cosmopolitan Heating and Duct Cleaning offers the extensive range of highly innovative tankless water heaters...

About our company

Cosmopolitan Mechanical Services Inc. Hamilton is one of the best heating and cooling contractors in Hamilton area. We deal in Lennox, Amana, Rheem, Goodman, and many other brands of HVAC Products. We are proud to be Dave Lennox premier dealer and Dave Lennox circle of excellence award winner.We provide complete home comfort central heating and central air conditioning systems. We specialize in the installation of Forced air gas furnace, Central air conditioner, Humidifier, Tankless water heater, Customized ductwork, Thermostat, and Conventional hot water tank. In addition, We provide a variety of indoor clean air quality products such as Electronic filter, HEPA filter, Heat ventilation and recovery (HRV) systems,... Read More

Service Expertise In

Cosmopolitan Heating and Duct Cleaning offers Installation, maintenance and repair services of HVAC appliances such as High Efficiency Air Conditioners, Furnaces, Boilers, Tankless Water Heaters and other Indoor Air Quality Products... Read More

Ductless Air Conditioning Systems

High Efficiency Systems

Furnaces & Heating Systems

Fireplace Installation

Total Air Quality Systems


Air Purification Systems

Gas & Electric Water Heaters

Gas Appliance Hook-Ups

Custom Duct Work For Renovations