Why Do Some HVAC Contractors Quote Much Lower Than Others?

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What a big price gap usually means

When one HVAC quote comes in thousands below the others for what looks like the same job, the difference is rarely generosity. It's almost always a difference in what's actually included. Two contractors can both say 'furnace replacement' and mean very different work. The honest way to read quotes is to assume the lowest one left something out, then find out what.

The most common reasons one bid is far lower:

• A smaller or lower-efficiency unit that costs less up front but runs harder and costs more to operate.
• A budget or off-brand system with weaker warranty support and harder-to-source parts.
• Skipped labour, like a proper heat-load calculation, new venting, condensate handling, or electrical work.
• No permit pulled, which can create problems at resale or insurance time.
• An unlicensed or uninsured installer with lower overhead but no protection for you.
• A low 'base' price where haul-away, thermostat, ductwork changes, or upgrades are billed later as extras.

How to compare quotes fairly

The bottom-line number is the least useful part of a quote. Line up the bids side by side and compare the specifics instead. If a contractor won't put these details in writing, that alone tells you something.

• Exact equipment: brand, model number, size (BTU or tonnage), and efficiency rating (AFUE for furnaces, SEER2 for cooling).
• Whether a load calculation was done to size the system to your home, not just matched to the old unit.
• What labour is included: removal and disposal, venting, electrical, condensate, ductwork adjustments, and startup.
• Warranty terms, split out into parts versus labour, and who honours them.
• Whether a permit is included, and whether the installer is licensed and insured.
• Any line marked 'if needed' or 'additional,' which is where a low base price often grows.

A quote that's a bit lower with everything spelled out can be a genuinely good deal. A quote that's far lower and vague usually isn't.

Why licensing and permits matter in BC

In BC, gas work must be done under a Technical Safety BC gas licence, and most HVAC replacements need a permit. An installer who skips the permit or works without a licence can quote less because they're carrying less cost and less accountability, but the risk lands on you. Uninspected or unpermitted work can complicate a home sale, and an insurer may push back on a claim tied to improperly installed equipment. CANRO is an independent, licensed contractor (Technical Safety BC gas licence LGA0043870), Red Seal certified, and WorkSafeBC and liability insured. We pull the permits the job requires.

It's also worth noting that a real rebate can move the math. Programs like CleanBC and FortisBC offer rebates on qualifying high-efficiency equipment, and the federal Greener Homes Loan can help spread the cost, but these generally require licensed installation and proper documentation. A cut-rate, unpermitted job can quietly disqualify you from money you'd otherwise get back.

When cheaper actually is fine

Lower isn't automatically worse. A smaller, honest local company can beat a big firm's price simply because it has less overhead, and a contractor may fairly recommend a right-sized mid-tier unit instead of the premium model someone else quoted. The goal isn't to always pick the highest bid, it's to understand why the numbers differ. Once you can explain the gap, you can decide with your eyes open. If you'd like, we're happy to walk through a competing quote with you and point out what's included and what isn't, at no charge.

Frequently asked questions

Reviewed by the CANRO Heating & Cooling service team — July 07, 2026. Technical Safety BC gas licence LGA0043870 · boiler licence LBP0046450 · Red Seal certified · WorkSafeBC and liability insured · 4.9★ from 85+ Google reviews · serving Metro Vancouver since 1999 · (604) 359-1081.