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From the field · 36 guidesGTA HVAC guides, written by licensed technicians
Practical guides on heating, cooling, water heaters, rebates and maintenance — real prices and real trade-offs, so you can decide with confidence.
Guides, comparisons and local know-how
Home Energy Audits in Burlington, Oakville & Hamilton
What an EnerGuide home energy audit measures in Burlington, Oakville and Hamilton homes, when a rebate requires one, and what these houses usually fail on.
80% vs 96% AFUE Furnace: Is High Efficiency Worth It?
80% furnaces can no longer be sold for Ontario homes, so the real question is whether to replace yours early. The gas math and an honest verdict.
Lennox vs Carrier: Which Furnace & AC Is Better?
Lennox and Carrier compared tier by tier: furnace and AC lineups, warranty registration windows, parts availability, and who should pick which.
Best Smart Thermostats for Heat Pumps
Which smart thermostats really control a heat pump: reversing valve wiring, aux heat lockout, dual-fuel switching and when you need the maker's own control.
What a Heat Pump Costs to Run in Ontario
Work out what a heat pump costs to run in Ontario from your own gas and hydro bills: the COP arithmetic, rate plans, backup heat and fixed charges.
Do You Need a Chimney Liner When Replacing a Furnace?
Why a new furnace orphans your water heater in the chimney, what a proper liner job includes, the spillage test that proves it, and the three alternatives.
Mid-Efficiency Furnaces: Why They're Gone and What's Next
How to identify a mid-efficiency furnace, why the regulations retired the class, which parts you can still get, and what changes when you replace one.
Heat Pump Installation Day: What to Expect
What actually happens when a heat pump goes in: the ESA notification, the nitrogen test, the deep vacuum, the balance point, and what changes in week one.
Replacing an Oil Furnace in Ontario: Gas vs Heat Pump
Four ways out of an oil furnace, what the tank rules mean for the job, the rebates aimed specifically at oil homes, and an honest verdict on each route.
Enercare vs Reliance: Water Heater Rentals Compared
The clauses that actually decide what a water heater rental costs, what changed with NOSIs in Ontario, and an honest verdict on renting versus owning.
AC Unit Placement Rules & Setbacks in Ontario
No single provincial setback exists. Five rulebooks decide where a condenser can sit: zoning, the manual, the electrical code, gas clearances and noise by-laws.
How to Verify a TSSA Licence Before Hiring
Ontario gas work needs a TSSA-licensed technician and a registered contractor. Here's how to check the card, the class and the expiry in ten minutes.
Best Thermostat Settings for a Canadian Winter
20–21°C awake, 17–18°C asleep, never under 16°C when away — and cancel the setback on the coldest nights. Settings that work in an Ontario house.
Heat Pump Thermostat Settings: Why Not to Set Back
Pick one temperature and leave it. Setback triggers electric backup heat at two to three times the cost. Aux lockouts, dual-fuel switchover and ULO rates.
Landlord HVAC Responsibilities in Ontario
Heat is a vital service and the landlord maintains it. What the RTA, the Fire Code and property standards require — and where to go if they don't.
Tarion Warranty & HVAC in a New Ontario Home
Your furnace, ducts and HRV sit under Tarion's two-year coverage. The claim windows, what counts as a defect, and the inspection to book at month 20.
Furnace Installation Cost in the GTA (2026): Real Prices, Hidden Fees & Rebates
What furnace installation costs across the GTA in 2026: tier-by-tier pricing, the extras that move a quote, permits, and how rebates change the math.
Furnace Repair vs. Replacement: A Cost Guide for GTA Homeowners
Repair if your furnace is under 12 years and the fix is under half a new unit's price; replace at 15+ or with a cracked heat exchanger. 2026 GTA cost ranges.
How Much Does Furnace Installation Cost in Toronto, Mississauga & Oakville?
Furnace installation in Toronto, Mississauga and Oakville runs $4,500–$7,500. What sits inside that band, city by city, and what the quote should list.
24/7 Emergency Furnace Repair in Toronto & the Greater Toronto and Hamilton Area
No heat overnight? What counts as a real furnace emergency, the checks to run first, what after-hours repair costs, and how to protect the pipes while you wait.
Air Conditioning Repair vs. Replacement: When to Upgrade Your AC in Toronto
Multiply the repair quote by the age of the AC. Over $5,000, replace. Under 12 years with a capacitor or contactor fault, repair. Toronto cost ranges inside.
Understanding SEER Ratings: AC Efficiency Explained for Ontario Homeowners
SEER is seasonal cooling efficiency; SEER2 replaced it under a tougher test. What the label means in an Ontario summer, and which tier is worth paying for.
Water Heater Maintenance Tips to Extend Its Lifespan
Four tasks decide how long a tank lasts: flush it yearly, check the anode, test the T&P valve, hold 49 °C. What each one prevents, and how to do them.
Tankless Water Heater Installation in Brampton: Why Homeowners Are Switching
A tankless conversion in Brampton typically runs $4,200–$5,000 installed. What the gas line, the venting and a builder's rental contract add before you sign.
Water Heater Repair vs. Replacement: Cost Analysis for GTA Residents
Under 8 years with a component fault: repair for $150–$800. Over 10, or leaking from the tank body: replace for $1,200–$2,500. How to tell which one you have.
How Often Should You Change Your Furnace Filter?
Change a 1-inch furnace filter every 1–3 months and a 4-inch media filter every 6–12 — plus which MERV to buy and what a clogged filter breaks.
Heat Pump Installation in the GTA: A Complete Guide
Heat pump installation in the GTA: what cold-climate units cost installed, which configuration fits your home, the electrical work, and 2026 rebates.
What Size Air Conditioner Do I Need? GTA AC Sizing Guide (Tons by Square Footage)
GTA AC sizing: tons by square footage as a starting point, why oversizing leaves you clammy, and how to check your installer's recommendation.
Should I Repair or Replace My 15-Year-Old Furnace?
At 15 years a furnace is at the end of its life. The decision rule, part by part: which repairs are worth it and which mean it's replacement time.
How Often Should I Service My Furnace in Ontario?
Once a year, before the heating season. Here's why the interval is annual, when it isn't enough, what a real tune-up includes, and what it costs in the GTA.
How Much Does a Tankless Water Heater Cost in the GTA?
Real 2026 tankless pricing for Toronto, Mississauga and the GTA — equipment, the gas-line upsize that catches people out, venting, and running costs.
What's the Difference Between an RTU and a Split System? (Commercial)
An RTU packages everything into one rooftop cabinet; a split separates indoor from outdoor. When each wins for a GTA commercial building, and what it costs.
What Is SEER2 and What Rating Do I Need in Ontario?
SEER2 replaced SEER in 2023. What the rating means, why the matched-system number is the one that counts, and what to actually buy for an Ontario home.
How Much Does AC Installation Cost in the GTA in 2026?
Real 2026 AC install prices for Toronto, Mississauga and the GTA — single-stage to inverter, ductless, and the line items that move the number.
Garden Suite & Laneway House HVAC in Ontario
Heating, cooling, ventilation and hot water for an Ontario garden suite or laneway house: the all-electric package, the gas option and the permit path.
Napoleon 9500 vs 9600 vs 9700 Furnaces Explained
Napoleon 9500, 9600 and 9700 furnaces compared: staging, blower type, AFUE, AC and heat pump pairing, warranty registration and which one to buy.
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