Skip to content

24/7 Emergency Service — 7 Days a Week

Call us (613) 800-9022
(613) 800-9022 24/7 line Call Get a Free Quote

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.

All Articles

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

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.

Learn more

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.

Learn more

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.

Learn more

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.

Learn more

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 […]

Learn more

Why is My Furnace Red Tagged

What does it mean when your furnace is red-tagged? A red tag is placed on your furnace by a licensed technician when the furnace is not safe or not compliant with the regulations code. This can be due to a defective heat exchanger since it can release carbon monoxide into your home What to do […]

Learn more

Zenith Eco Energy furnace protection plans comparison: Essential Plan and Plus Plan annual price, maintenance, diagnostic fee, parts and labour coverage
What Is a Furnace Protection Plan, and Is It Worth It?
A furnace protection plan helps make repair costs more predictable. It combines annual maintenance with a reduced diagnostic fee and coverage toward eligible furnace repairs.

Learn more

Life Span of furnace Hot Water Tank, Air Conditioner

“What is the Life Span of Furnace?” “When do I need to replace my air conditioner?” These are very common questions asked by our customers. We’ve decided to answer your biggest air conditioner and furnace questions with an infographic. The best way to extend the life of your air conditioner, furnace, and hot water tank is […]

Learn more