HVAC Information for Home Owners

Heat Pump Repair in Durham Region: Common Problems & When to Call
Heat pump not heating or icing up? Here are the most common heat pump repair issues in Durham Region and when it’s time to call HVAC Zack.

Commercial Heat Pump & Shop Heating Installation in North Whitby
HVAC Zack designed a Mitsubishi heat pump and Reznor unit heater system for Marleau’s Action Maintenance’s new North Whitby shop.

What Size Heat Pump Do I Need for My Ontario Home?
Square footage alone does not determine the right heat pump size. Learn how proper heat loss calculations, hybrid system design, and Ontario winter temperatures affect sizing decisions. HVAC Zack explains why guessing equipment size can hurt comfort, efficiency, and long-term performance.

Heat Pump Cost in Ontario: 2026 Homeowner Guide
A practical Ontario pricing guide: typical installed ranges for ductless, ducted, and hybrid heat pumps, what drives your total (ducts, electrical, placement), and how running costs work in our climate. Learn about rebates and financing, and get a commissioned install that stays quiet and efficient.

Heat Pump Defrost Cycles: What’s Normal in Durham Winters and When to Worry
Heat pump steaming in the backyard? That is the defrost cycle clearing ice from the outdoor coil. Learn what normal defrost behaviour looks like in Durham winters, when to call for service, and how proper placement and hybrid settings keep comfort steady. HVAC Zack diagnoses and fixes defrost issues across the region.

Repair vs Replace: 7 Signs Your Furnace Is at End-of-Life
Not sure whether to repair or replace your furnace? Here are seven field-tested signs your system is at end-of-life, plus when a repair still makes sense. Get a clear plan, financing options, and a quieter, commissioned install with HVAC Zack across Durham Region.

Cold Rooms in Winter? Simple Airflow Fixes for Durham Homes
If a back room runs cold, the furnace is rarely the problem—airflow is. Learn simple fixes you can try today and when a small return upgrade or balancing visit brings rooms back in line in Durham Region.

Carbon Monoxide Furnace Safety in Durham Region
Carbon Monoxide Furnace Safety in Durham Region Carbon monoxide (CO) is a colourless, odourless gas that can build up when fuel-burning equipment is not venting

Oil Furnace to Heat Pump Conversion in Colborne: A 1960s Home Gets an Efficient Upgrade
A 1960s Colborne bungalow retired its oil furnace for a central ducted heat pump. See how HVAC Zack handled transitions, electrical coordination, and commissioning, and how the homeowner cut daily heating costs during a cold snap. Explore rebates and financing options.