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Home HVAC Basics — Heat, Cool and Save
Understand your furnace, change your filter, and cut your bills through a Prairie winter.
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When it is minus thirty in Alberta and the furnace quits, "I do not know how this thing works" is a terrible place to be. Home HVAC Basics is a beginner-friendly course that teaches you how your heating and cooling actually works — furnaces, air conditioners, and heat pumps explained in plain language, no engineering degree required.
Built by people who inspect this stuff for a living: the course draws on real construction quality-assurance experience — reviewing mechanical installations, commissioning reports, and system handover documentation on major projects. Four modules cover how heating and cooling works, filters and maintenance, thermostats, and troubleshooting plus energy saving. It is cold-climate focused, with Canadian winters in mind — including emergency guidance for furnace failures and the first-30-minutes checklist while you wait for a technician.
You will learn the maintenance that genuinely matters (filters, vents, thermostat strategy), how to troubleshoot the common "no heat" scenarios before calling for help, and how small changes can meaningfully cut your energy bills. The measures with the best return for the least effort — filter maintenance, thermostat setback strategy, sealing obvious duct leaks — stack into real savings.
This course is for educational purposes only. Heating, ventilation, and air conditioning systems involve gas, high-voltage electricity, and combustion — work inside HVAC equipment must be performed by licensed technicians. Carbon monoxide is odorless, colorless, and potentially lethal: install CO detectors on every floor of your home, test them regularly, and treat any alarm as an emergency — get out and call for help. Never attempt to repair, modify, or bypass safety controls on gas-fired equipment. When in doubt, call a licensed HVAC technician.
What's included
- Module 1: How Heating and Cooling Works — furnaces, boilers, heat pumps, the refrigeration cycle, efficiency ratings (AFUE, SEER), carbon monoxide safety
- Module 2: Filters and Maintenance — filter types and MERV ratings, change schedules, vent cleaning, seasonal checklists
- Module 3: Thermostats — types, programming, setback strategies, smart thermostats explained honestly
- Module 4: Troubleshooting and Energy Saving — no heat, weak airflow, strange noises, short cycling, emergency furnace failure procedure, Alberta winter energy tips
- Filter-Change Schedule — printable year-round schedule matched to your filter type, pets, and household
- Thermostat Settings Guide — recommended setpoints for comfort, savings, and freeze protection, season by season
- Energy-Saving Checklist — the highest-impact, lowest-effort wins for cutting heating and cooling bills
Frequently asked questions
▶Can I service my own furnace?
Honest answer: you can do the maintenance, not the servicing — and the distinction matters. Changing filters, keeping vents clear, checking thermostat batteries, and keeping the area around your furnace clean: absolutely, and this course teaches you how. Anything involving gas lines, burners, heat exchangers, electrical components inside the unit, or refrigerant: that is licensed-technician work, full stop. This course draws the line clearly in every module.
▶How often should I change my furnace filter?
It depends on your filter, your home, and your life. A basic 1-inch filter in a home with pets might need changing every 30 days; a thick 4-inch media filter in a pet-free home can go 6 months. The course gives you a real decision framework plus a printable Filter-Change Schedule you fill in once and follow all year. The one universal rule: a filter you never change is worse than a cheap filter you change on time.
▶Will this course actually lower my energy bills?
The course teaches the measures with the best return for the least effort: proper filter maintenance, thermostat setback strategy (the single biggest no-cost saver), sealing obvious duct and envelope leaks, and understanding your efficiency ratings. The course is honest that no single tip is magic, but the stack of small wins is real — in an Alberta winter, even single-digit percentage savings add up fast.
▶What if my furnace stops working in the middle of winter?
Module 4 covers this as an emergency procedure. The first-30-minutes checklist: check the thermostat (mode, setpoint, batteries), check the furnace power switch and breaker, check the filter, and check that exterior intake/exhaust vents are not blocked by snow or ice. If you smell gas or the CO detector is alarming — stop, and call for professional help immediately: your gas utility’s emergency line for gas smells, 911 if there is any immediate danger, and an HVAC technician for the repair.