Setpoint Blog
Honest HVAC answers for Oxford County.
Pricing, troubleshooting, comparisons, rebates. Written for homeowners — not for industry insiders. We update as the Ontario rebate landscape and equipment standards change.
Pillar GuideShould you close vents in unused rooms? (HVAC myth check)
No, you should not close vents in unused rooms. Closed vents increase duct pressure, stress the blower, can crack heat exchangers on older furnaces, freeze AC coils in summer, and grow mould in closed-off rooms. The proper solutions for room-by-room control are zoning, smart vents, ductless mini-splits, and proper duct balancing.
MaintenanceSpring AC tune-up: when to schedule and what to expect
The ideal window for spring AC tune-ups is April through late May — after frost, before the first heat wave. A real tune-up runs $130-$280 and covers coil cleaning, refrigerant pressures, electrical testing, condensate drain clearing, and a written report. Catching spring failure modes before summer load.
MaintenancePre-winter furnace checklist for Oxford County homeowners (October-November)
A 10-step homeowner pre-winter checklist for Oxford County — done in October it catches 70% of the issues that would otherwise turn into January no-heat calls. Replace the filter, test the thermostat, clear the venting, check detectors, book a tune-up. Plus what the professional tune-up adds.
MaintenanceDry winter air in your house: causes, fixes, and when to add a humidifier
Dry winter air in Oxford County is physics — cold outside air holds no moisture, and heating it drops the indoor RH below 25%. The fix is portable humidifier, whole-home bypass, steam humidifier, or sometimes the opposite: less ventilation in deep cold. Here's how to pick.
TroubleshootingAC making a loud noise: 7 sounds and what they mean
A loud AC almost always sounds like one of seven things — humming, clicking, buzzing, screeching, banging, grinding, or hissing/gurgling. Each sound points to a different category of repair, from $150 capacitors to $3,000 compressors. Three of seven are safe to keep running while you call.
ComparisonGas vs electric vs propane furnace: which fuel for your home?
For Oxford County homes with natural gas at the curb in 2026, natural gas furnaces win on operating cost. Rural without gas? A heat pump beats electric resistance by 2-3× efficiency. Propane fills the gap when a heat pump isn't practical. Here's the actual fuel-cost math.
TroubleshootingFurnace blowing cold air: 8 causes and fixes
A furnace blowing cold air almost always traces back to one of 8 things: thermostat set to FAN ON, burner not igniting, tripped pressure switch, blower starting too early, clogged condensate drain, blocked vent, oversized furnace cycling, or cracked heat exchanger. Three are DIY-checkable in 10 minutes.
MaintenanceMERV filter ratings explained: 8 vs 11 vs 13 (and which to use)
MERV ratings tell you how well an air filter captures airborne particles, on a scale of 1 to 20. For most Oxford County homes, MERV 8 is the baseline, MERV 11 is the right step up for allergies or pets, and MERV 13 is worth it only when your furnace can handle the airflow restriction.
ComparisonSmart thermostat buying guide 2026: Nest vs Ecobee vs Honeywell
For most Oxford County homes in 2026, the right smart thermostat is the Ecobee Premium for zoning, the Nest 4th gen for set-and-forget learning, the Honeywell T9 for humidity control, or the Ecobee Lite on a tight budget. None are wrong — the differences are zoning, learning, and whether your furnace has a C-wire to power them.
Pillar GuideWhat size furnace do I need for my Ontario home?
Most Oxford County homes need between 40,000 and 100,000 BTU of furnace capacity — 40,000-60,000 BTU for a small bungalow, 60,000-80,000 BTU for an average 2-storey, 80,000-100,000 BTU for a larger home. Right sizing requires Manual J, not square-footage shortcuts.
Cost & PricingHeat pump cost in Ontario 2026: real pricing for Oxford County
A cold-climate heat pump in Ontario in 2026 typically runs $8,000–$15,000 fully installed before rebates. After stacking current Ontario rebates, the after-rebate cost typically lands in the $3,000–$10,000 range. Here's what drives the pricing.
ComparisonDuctless mini-split vs central AC: which fits your home?
For most Oxford County homes with existing ductwork, central AC is still the right answer in 2026 — lower install cost, single thermostat, even cooling. Ductless mini-splits win for homes without ductwork, additions, or genuine zoning needs.
TroubleshootingFurnace short cycling: 5 causes and how to fix each
A short-cycling furnace turns on, runs for less than 5 minutes, shuts off, and starts again within 10-15 minutes — over and over. Five common causes: plugged filter, thermostat placement, oversized furnace, dirty flame sensor, and overheating. This guide walks through identifying which is yours.
ComparisonCarrier vs Lennox vs Goodman in 2026: HVAC brand comparison
Carrier, Lennox, and Goodman all make reliable HVAC equipment in 2026. Goodman is the value pick — good equipment at lower price. Carrier and Lennox sit at the premium end with longer warranties and better dealer networks. For most homes, the brand matters less than the installer.
Pillar GuideWhat size AC do I need for my home in Ontario?
Most Oxford County homes need between 1 and 3 tons of cooling capacity — 12,000 BTU for a small bungalow up to 36,000 BTU for larger 2-storey homes. The right number comes from Manual J, not square-footage shortcuts. Here's the math.
Pillar GuideShould you repair or replace your AC? An honest decision guide
For most Oxford County homeowners weighing repair vs replace on an AC, the answer comes down to three numbers: the unit's age, the repair cost, and whether the refrigerant is R-22 or R-410A. Here's how we'd run the math at your kitchen table.
Cost & PricingFurnace tune-up cost in Ontario 2026: what's a fair price?
A real furnace tune-up in Ontario in 2026 runs $150–$300. Anything under $100 is usually a sales call dressed up as a tune-up. This guide breaks down what should actually happen at a real tune-up, real prices, and how to tell whether you're getting the work or getting upsold.
ComparisonHRV vs ERV for Ontario homes: which makes sense?
For most Oxford County homes, an HRV is the right choice — our winters are cold and dry, exactly what HRVs are built for. ERVs make sense in humid climates. This guide walks through how each one works and the actual decision for a Woodstock-area home.
TroubleshootingAC not blowing cold air? 7 things to check before you call
If your AC is running but not blowing cold air, 5 of the 7 most common causes you can check yourself in under 10 minutes. The checklist we walk Oxford County homeowners through every summer — about a third of no-cooling calls resolve without a service visit.
Pillar GuideWhat is the $5,000 rule for HVAC?
The $5,000 rule is a simple way to decide whether to repair or replace HVAC equipment: multiply age × repair cost. Over $5,000 means replace. Here's how the math actually works and when the rule doesn't apply.
TroubleshootingFurnace not heating? 7 things to check before you call
If your furnace has stopped heating, 5 of the 7 most common causes you can check yourself in under 10 minutes. This is the checklist we walk Woodstock-area homeowners through every winter — about a third of no-heat calls resolve without needing a service visit.
ComparisonHeat pump vs furnace for Oxford County winters: which makes sense?
For most Oxford County homes in 2026, the right answer is both — a cold-climate heat pump as primary, a high-efficiency gas furnace as backup. We walk through the actual decision with the trade-offs spelled out.
RebatesOntario heat pump rebate 2026: stack federal + provincial for $5K–$10K off
Ontario homeowners can stack federal and provincial rebates to take $5,000 to $10,000+ off a new heat pump in 2026. This guide tracks what's actually live right now and how the math works on a real Oxford County install.
Cost & PricingNew furnace cost in Oxford County: 2026 pricing guide
A new furnace in Oxford County in 2026 typically runs $4,500 to $9,500 fully installed. We break down what actually drives the price so you know what to expect before you call anyone for a quote.
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