AirPro HVAC Projects & Advice

On October 9, 2026, AirPro Heating & Cooling replaced an 11-year-old Lennox furnace in Dundas after a defective heat exchanger was identified and an A Tag was issued. The new installation features a Lennox EL297UH070XV36BK, a 70,000 BTU, two-stage, 96% AFUE high-efficiency furnace.

AirPro replaced a 13-year-old Goodman furnace in Ancaster after a safety inspection found carbon monoxide levels over 500 PPM and a defective heat exchanger.

A Sunday service call in Ancaster revealed a failed ECM vent motor on a 23-year-old Carrier modulating furnace. After evaluating the $2,000+ repair cost, the homeowner chose to replace the aging system with a new KeepRite furnace.

AirPro Heating & Cooling recently replaced a 12-year-old Hayward H250C pool heater in Ancaster after a failed heat exchanger caused a water leak. The new Hayward H250FDN features electronic ignition, forced-draft operation, and a new 6-inch negative-pressure venting configuration.

A leaking pool heater with a cracked heat exchanger can leave homeowners wondering whether to replace it this fall or wait until spring. Here’s what to consider when deciding between repair and replacement.

Furnace not heating in Ancaster? This recent service call involved a failed furnace control board. AirPro Heating & Cooling diagnosed the problem and completed the control board replacement to restore heat.

An Ancaster homeowner called us after their 13-year-old Carrier furnace stopped heating and developed a burning smell. We diagnosed a failed ECM blower motor and helped the homeowner compare repair versus replacement.

An 8-year-old AC in Ancaster stopped cooling and repeatedly tripped the breaker. Testing found a grounded compressor, which we replaced under the unit’s 10-year parts warranty.

A no-cooling service call in Hamilton turned into an AC replacement after we diagnosed a failed compressor and capacitor in a 12-year-old system. With repair costs exceeding $2,000, the homeowner decided to replace the aging unit with a new Lennox air conditioner.