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HVAC Tips & Expert Advice for Ottawa Homeowners

Helpful HVAC advice based on years of hands-on experience, professional training, and knowledge shared by equipment manufacturers and industry experts.

Blog | Zenith Eco Energy

Browse our latest articles on heating, cooling, airflow, indoor air quality, maintenance, and home comfort.

Cutaway of an HVAC system where warm humid air passes over a wet evaporator coil and condensate drains, beside a living room with a thermostat showing 23°C and 46% RH
How Your HVAC System Controls Humidity in Your Home
Learn how AC, airflow, HRVs and ERVs affect indoor humidity, why oversized AC systems can leave homes humid, and how Ottawa homeowners can improve comfort and efficiency.

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Ottawa living room with a thermostat showing 42% humidity between a snowy winter window with condensation and a sunny summer window
What Is the Ideal Indoor Humidity for an Ottawa Home?
What should indoor humidity be in Ottawa? Learn the 30–50% range, why windows sweat, why basements feel damp and how to adjust humidity by season.

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HRV or ERV ventilation unit mounted on a basement wall with insulated fresh-air and exhaust ducts connected to the furnace in an Ottawa home
Does Your Ottawa Home Need an HRV or ERV?
Stuffy rooms or window condensation? Learn how HRVs and ERVs ventilate Ottawa homes, how to choose between them and when to have your system checked.

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Four-panel illustration of a whole-home indoor air quality plan: furnace filter cabinet, HRV ventilation unit, whole-home humidifier and UV air purifier in an Ottawa home
How to Improve Indoor Air Quality in Your Ottawa Home
If your home feels dusty, stuffy, too dry or too humid, it is easy to assume that you need a stronger furnace filter or an air purifier. Sometimes one of these products can help—but indoor air quality is not controlled by one device.

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Comparison of a 16 x 25 x 1 MERV 8 one-inch filter (up to 800 CFM) with 16 x 25 x 4.5 and 20 x 25 x 4.5 MERV 11 media filters (up to 1,400 and 2,000 CFM)
How to Choose the Right Furnace Filter Without Restricting Airflow
Many homeowners want less dust, cleaner indoor air and better protection from airborne particles. A common reaction is to buy the highest-MERV furnace filter that fits the existing filter slot. That may sound reasonable, but it can create a new problem.

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Basement Flooded in Ottawa? What to Do About Your Furnace, HVAC System, and Insurance Claim
When an Ottawa basement floods, the damage may extend beyond the furnace. Learn what to do about your furnace, HVAC system, and insurance claim.

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Zenith technician performing furnace maintenance in an Ottawa home, with airflow and filter check, technician inspection and condensate drain check
Importance of Furnace Maintenance
Regular furnace maintenance helps improve efficiency, reduce unexpected breakdowns, and keep your heating system running safely through Ottawa winters.

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Why is my basement too cold while the second floor is too hot

Question: I have a two-story house with a basement, equipped with a central forced air gas furnace with a central air conditioner. Why is my basement too cold while the second floor is too hot? Answer: This common issue is often due to poor air circulation and an imbalance in your HVAC system. Here are […]

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