✓ Licensed & Insured
24/7 Emergency: 778-909-5731
COMBIBOILER.caEST1999HEATING EXPERTS

Knowledge Base

HVAC Articles & Repair Guides

Expert advice on furnaces, boilers, heat pumps and tank & tankless water heaters — leak repairs, emergencies, troubleshooting, maintenance, costs and brands. Serving Greater Vancouver since 1999.

Furnace Guides

TroubleshootingFurnace Won't Turn On? Causes and FixesA furnace that won't start usually comes down to power, thermostat, filter or ignition — here's how to diagnose it safely.Read more TroubleshootingFurnace Blowing Cold Air: What to CheckCold air from your vents can mean a thermostat fan setting, overheating, or an ignition problem.Read more TroubleshootingWhy Your Furnace Short-Cycles (and How to Stop It)Short-cycling wastes gas and wears out your furnace — the usual suspects are airflow, the flame sensor, and oversizing.Read more EmergencyNo Heat? Emergency Furnace Repair GuideA furnace with no heat in winter is urgent — here's what to check and when to call for emergency service.Read more TroubleshootingFurnace Making Strange Noises: A Sound-by-Sound GuideBanging, squealing, rattling or rumbling each point to different furnace problems.Read more MaintenanceAnnual Furnace Maintenance ChecklistA yearly furnace tune-up before winter improves safety, efficiency and reliability.Read more MaintenanceHow Often Should You Change a Furnace Filter?Filter changes are the single most impactful DIY furnace task — here's the right schedule.Read more Replacement7 Signs You Need a New FurnaceAge, rising bills, repeated repairs and uneven heat all signal it may be time to replace your furnace.Read more CostsFurnace Replacement Cost in Greater VancouverWhat a new furnace really costs in Metro Vancouver, and what drives the price.Read more Buying GuideGas vs Electric Furnace: Which Is Right for Your Home?Gas furnaces heat fast and cheap where gas is available; electric suits smaller or gas-free homes.Read more TroubleshootingFurnace Pilot Light or Ignition Keeps Going OutA pilot or ignition that won't stay lit usually points to the thermocouple, flame sensor or gas supply.Read more Buying GuideFurnace vs Heat Pump: Which Heats BC Homes Better?Heat pumps offer efficiency and cooling; furnaces offer strong, cheap heat in deep cold.Read more EmergencyFurnace and Carbon Monoxide SafetyA cracked heat exchanger or poor venting can leak carbon monoxide — know the signs and protections.Read more Leak RepairFurnace Leaking Water? Condensate Leaks ExplainedHigh-efficiency furnaces produce condensate — a leak usually means a clogged drain, trap or pump.Read more Buying GuideHigh-Efficiency Furnaces and AFUE ExplainedAFUE measures how much fuel becomes heat — here's what the numbers mean for your bills.Read more Buying GuideTop Furnace Brands ComparedLennox, Carrier, Trane, Goodman, Rheem and more — how the major furnace brands compare.Read more TroubleshootingThermostat Problems That Look Like Furnace FaultsBefore blaming the furnace, rule out the thermostat — batteries, settings and wiring cause many 'furnace' issues.Read more Buying GuideHow to Size a Furnace CorrectlyBigger isn't better — an oversized furnace short-cycles and wastes energy. Proper sizing uses a heat-loss calculation.Read more TroubleshootingWhy Your Furnace Smells (and When to Worry)A dusty smell at first start-up is normal; burning, electrical or gas smells are not.Read more EmergencyFurnace Emergency: What to Do Right NowA clear, calm checklist for furnace emergencies — no heat, strange smells, or a CO alarm.Read more TroubleshootingFurnace Flame Sensor: The Cheap Fix for Short-CyclingA dirty flame sensor is one of the most common — and inexpensive — causes of a furnace that fires then shuts off.Read more

Boiler Guides

Leak RepairBoiler Leaking Water: Causes and RepairsBoiler leaks usually come from the pressure-relief valve, pump seals, fittings or the heat exchanger.Read more EmergencyBoiler No Heat: Emergency TroubleshootingNo heat from a boiler is often pressure, ignition, a pump or a tripped lockout — here's how to check.Read more TroubleshootingWhy Your Boiler Keeps Losing PressureRecurring pressure loss usually means a leak, a failed relief valve, or a waterlogged expansion vessel.Read more TroubleshootingBoiler No Hot Water: Common CausesHeating works but taps run cold? Suspect the diverter valve, flow sensor or plate heat exchanger.Read more TroubleshootingBoiler Kettling and Banging Noises ExplainedThat rumbling 'kettle' sound usually means limescale or sludge in the heat exchanger.Read more Buying GuideCombi vs Conventional Boiler: Which Is Best?Combi boilers save space and give on-demand hot water; conventional systems suit high simultaneous demand.Read more MaintenanceAnnual Boiler Servicing GuideYearly boiler servicing protects safety, efficiency and your warranty.Read more CostsBoiler Replacement Cost in BCWhat a new combi or system boiler costs in BC, and what drives the price.Read more MaintenanceRadiators Cold at the Bottom? Sludge and Power FlushingCold spots at the bottom of radiators point to sludge — power flushing restores even heat.Read more TroubleshootingBoiler Ignition Failure ExplainedRepeated clicking with no ignition usually means the igniter, flame sensor, gas valve or condensate.Read more EmergencyFrozen Condensate Pipe: A Quick Winter FixA frozen condensate pipe is a common winter cause of boiler lockout — and often a safe DIY thaw.Read more TroubleshootingBoiler Expansion Vessel ProblemsA waterlogged expansion vessel causes pressure swings and PRV discharge — recharging or replacing fixes it.Read more Buying GuideBest Boiler Brands in CanadaNavien, Viessmann, IBC, NTI, Bosch and more — how leading boiler brands compare for Canadian homes.Read more EfficiencyBoiler Efficiency and BC RebatesHigh-efficiency condensing boilers cut bills and qualify for FortisBC and CleanBC rebates.Read more EmergencyEmergency Boiler Repair: When to CallSome boiler faults can wait; others — no heat in winter, leaks, gas smells — can't.Read more Leak RepairBoiler Pressure-Relief Valve Discharging WaterWater dripping from the outside discharge pipe means the PRV is releasing — usually a pressure or vessel issue.Read more Buying GuideBoiler vs Furnace for BC HomesBoilers deliver even radiant comfort and hot water; furnaces offer fast forced-air heat and easy AC pairing.Read more TroubleshootingBoiler Heat Exchanger Failure: Signs and OptionsThe heat exchanger is the boiler's heart — leaks or cracks here are serious and often decisive.Read more EfficiencyOpenTherm and Smart Thermostats for BoilersOpenTherm and modulation-aware thermostats let combi boilers run cooler and longer, saving 10–15%.Read more MaintenancePreparing Your Boiler for WinterA few fall checks help your boiler sail through the heating season without surprises.Read more MaintenanceHow to Bleed Radiators (and Why)Radiators warm at the bottom but cold at the top usually just need bleeding to release trapped air.Read more

Heat Pump Guides

TroubleshootingHeat Pump Not Heating: Causes and FixesA heat pump that won't heat can be a thermostat mode, dirty coils, low refrigerant or a defrost issue.Read more TroubleshootingHeat Pump Frozen or Iced Up: What to DoSome frost is normal; a fully iced outdoor unit that won't defrost signals a problem.Read more Buying GuideHeat Pump vs Furnace in the BC ClimateBC's mild coast is ideal heat-pump territory — but hybrids cover the coldest snaps.Read more CostsHeat Pump Cost and Rebates in Greater VancouverHeat pumps cost more upfront than furnaces, but rebates and lower running costs change the math.Read more Buying GuideCold-Climate Heat Pumps ExplainedCold-climate (ccASHP) heat pumps keep efficient output at low temperatures — ideal for BC.Read more MaintenanceHeat Pump Maintenance GuideHeat pumps run year-round — regular maintenance keeps efficiency, comfort and warranty intact.Read more TroubleshootingUnderstanding the Heat Pump Defrost CycleSteam and a brief pause in heating are normal defrost behaviour — not a fault.Read more EmergencyHeat Pump No Heat EmergencyIf your heat pump quits in the cold, use backup heat and run these checks before calling.Read more Buying GuideDuctless Mini-Split Heat Pumps ExplainedMini-splits add efficient heating and cooling to specific rooms without ductwork.Read more Buying GuideHeat Pump Water Heaters ExplainedHeat pump water heaters use 60–70% less energy than electric tanks and earn rebates.Read more Buying GuideHow to Size a Heat Pump CorrectlyRight-sizing a heat pump to your load — not the old furnace — is critical for comfort and efficiency.Read more TroubleshootingHeat Pump Making Noise: What's Normal?Whooshing and clicking are normal; grinding, screeching or buzzing are not.Read more Leak RepairHeat Pump Leaking Water: CausesIndoor water usually means a clogged condensate drain; outdoor water is often normal defrost runoff.Read more Buying GuideTop Heat Pump Brands ComparedMitsubishi, Daikin, Fujitsu, Carrier, Lennox and more — how leading heat-pump brands compare.Read more EfficiencyCleanBC Heat Pump Rebates: What's AvailableBC offers some of Canada's most generous heat-pump rebates — here's how they work.Read more Buying GuideHybrid Heat Pump + Furnace SystemsA hybrid (dual-fuel) system runs the heat pump most of the year and gas only in deep cold.Read more TroubleshootingHeat Pump Short-Cycling: CausesA heat pump that turns on and off rapidly may be oversized, low on refrigerant, or have airflow issues.Read more MaintenanceHeat Pump Winter Performance TipsSimple habits keep your heat pump efficient and reliable through BC winters.Read more

Tank Water Heater Guides

Leak RepairWater Heater Leaking: Causes and Emergency StepsA leaking tank water heater can flood quickly — know how to shut it off and what the source means.Read more TroubleshootingNo Hot Water from Your Tank HeaterNo hot water can be a pilot/igniter, thermostat, or heating element issue depending on gas or electric.Read more Leak RepairWater Heater Leaking from the Bottom: Tank FailureWater pooling under the tank usually means internal corrosion — and time for replacement.Read more Leak RepairWater Heater Leaking from the Top: Fittings and ValvesTop leaks are usually loose connections, the T&P valve, or the inlet/outlet — often repairable.Read more Leak RepairWater Heater T&P Valve Leaking ExplainedA dripping temperature & pressure valve can be normal thermal expansion — or a sign of a real problem.Read more CostsWater Heater Replacement Cost in BCWhat a new tank water heater costs installed in BC, and what affects the price.Read more ReplacementHow Long Does a Water Heater Last?Most tank water heaters last 8–12 years — maintenance and water quality make the difference.Read more TroubleshootingWater Heater Pilot Light Keeps Going OutA pilot that won't stay lit usually means a dirty or failed thermocouple — or a draft.Read more MaintenanceWater Heater Rumbling or Popping: SedimentRumbling and popping noises mean sediment build-up — flushing the tank usually quiets it.Read more MaintenanceAnode Rod and Tank Corrosion ExplainedThe sacrificial anode rod protects your tank from rust — replacing it can double tank life.Read more EmergencyWater Heater Emergency: Shut-Off StepsKnow how to shut off your water heater fast to prevent flooding or a safety hazard.Read more Buying GuideGas vs Electric Water HeaterGas heats faster and recovers quicker; electric is simpler and pairs with heat-pump efficiency.Read more MaintenanceSafe Water Heater Temperature Setting120°F (49°C) balances scald safety, bacteria control and efficiency for most homes.Read more Buying GuideTop Water Heater BrandsRheem, A.O. Smith, Bradford White, John Wood and more — comparing leading water-heater brands.Read more MaintenanceWater Heater Maintenance and FlushingAnnual flushing and an anode check are the keys to a long-lived, efficient water heater.Read more

Tankless Water Heater Guides

TroubleshootingTankless No Hot Water: CausesNo hot water from a tankless unit can be ignition, gas supply, scale, or an error-code lockout.Read more Leak RepairTankless Water Heater LeakingTankless leaks usually come from fittings, the isolation valves, or internal components — not a failed tank.Read more TroubleshootingTankless Water Heater Error Codes ExplainedTankless error codes point to ignition, flow, venting, or scale issues — here's how to read them.Read more Buying GuideTankless vs Tank Water HeaterTankless gives endless hot water and saves space; tanks cost less upfront and handle big simultaneous demand simply.Read more MaintenanceTankless Descaling and Hard WaterAnnual descaling protects tankless performance and prevents scale-related faults in hard water.Read more CostsTankless Installation Cost in VancouverWhat a tankless water heater costs installed in Greater Vancouver, and what drives the price.Read more TroubleshootingThe Tankless Cold Water Sandwich ExplainedA brief cold burst between hot draws is the 'cold water sandwich' — and recirculation can fix it.Read more Buying GuideTankless Flow Rate and SizingSizing a tankless unit means matching its flow rate (GPM) to your peak simultaneous hot-water demand.Read more MaintenanceTankless Water Heater Maintenance GuideAnnual descaling and filter cleaning keep a tankless unit efficient and long-lasting.Read more Buying GuideTop Tankless Water Heater BrandsNavien, Rinnai, Noritz, Bosch and Takagi lead the tankless market — here's how they compare.Read more EmergencyTankless No Hot Water EmergencySudden loss of hot water from a tankless unit — quick checks and when to call for emergency help.Read more Buying GuideTankless Gas Line and Venting RequirementsTankless units often need a larger gas line and proper stainless venting — key parts of a correct install.Read more EfficiencyTankless Recirculation for Instant Hot WaterRecirculation keeps hot water ready at the tap, cutting wait time and water waste.Read more EfficiencyTankless Water Heater Rebates in BCHigh-efficiency condensing tankless units may qualify for FortisBC rebates.Read more MaintenanceTankless Freeze Protection in WinterTankless units have freeze protection, but power loss or outdoor installs need extra care in cold snaps.Read more

General Guides

Call Now - 778-909-5731