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Under NBCC/BCBC, when can you omit the capillary break, and how do you document that performance path?
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7
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9
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August 14, 2025
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For unvented roofs with spray foam in heavy-snow climates, how do you control condensation without over-insulating abov…
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7
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9
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August 14, 2025
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For variable-speed heat pumps, how much oversizing is acceptable before shoulder-season comfort drops?
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7
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7
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August 14, 2025
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How can EVSE installations avoid GFCI breaker nuisance trips (NEMA 14-50 vs hardwire, load sharing, labeling)?
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7
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9
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August 14, 2025
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What panel load‑calculation tactics let you avoid a service upgrade (smart relays, demand management, breaker-by-breake…
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10
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11
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August 14, 2025
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In rainy BC and the Pacific Northwest, what is the best-value rainscreen detail (furring vs mats), and when is a 10 mm …
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8
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9
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August 14, 2025
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Are sump pump + battery/inverter combos sufficient, or should you spec generator‑ready transfer gear?
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6
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9
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August 14, 2025
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With heavier rains, when are full‑port backwater valves required by OBC/municipal bylaws; and should you choose normall…
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6
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9
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August 14, 2025
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In provinces adopting tiered energy codes, how should homeowners pick U‑factor/ER targets cost‑effectively for 2025–203…
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5
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8
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August 14, 2025
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With DOE’s 2029 standard, should homeowners wait on heat-pump water heaters (HPWH) or install now—what’s the expected c…
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7
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12
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August 14, 2025
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Are plug‑in 120‑V heat pumps a credible stopgap for renters, code-wise?
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6
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10
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August 14, 2025
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When do subpanels solve cost and code issues better than a 200‑A service upgrade?
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6
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9
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August 14, 2025
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What’s the resale impact of a home with A2L equipment vs legacy R-410A—do appraisers and insurers weigh this yet?
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4
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8
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August 14, 2025
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Outside strict WUI zones, which Chapter 7A practices deliver the biggest benefit per dollar (gutter guards, siding swap…
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5
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8
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August 14, 2025
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For HPWH retrofit closets, what condensate management practices pass inspection consistently?
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5
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8
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August 14, 2025
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For dual-fuel heat pumps, where is the economic crossover in Alberta/Quebec vs New England at today’s rates?
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6
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11
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August 14, 2025
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Are hydronic coil + heat pump hybrids competitive versus ducted air handlers in 1960s homes?
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5
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6
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August 14, 2025
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For PV + reroof sequencing, who owns penetrations and leak liability 10 years out?
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6
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9
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August 14, 2025
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Which deck ledger flashing details actually survive two decades—membranes, metals, and shingle integration?
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6
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8
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August 14, 2025
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Understanding Building Permits Before You Start Renovating
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7
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6
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August 14, 2025
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Eco-Friendly Renovations That Pay Off in the Long Run
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9
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8
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August 14, 2025
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Choosing Materials That Last
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11
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8
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August 14, 2025
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Building a UL‑1618 Type 1 floor protector for a wood stove—layers and materials?
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7
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16
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August 14, 2025
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Deck over concrete slab: sleepers, vapor concerns, and fastener choices
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8
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15
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August 14, 2025
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Will recovery machines and gauges from R-410A work with A2Ls, or is tool replacement unavoidable?
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2
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2
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August 14, 2025
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For small condos, which A2L charge-limit calculations most often force equipment downsizing or multi-head minisplits?
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2
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5
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August 14, 2025
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What’s the real-world flammability risk of A2Ls in occupied spaces vs garages and basements, and how do contractors mit…
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2
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3
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August 14, 2025
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How are Canadian provinces adopting CSA B52:23 for A2Ls, and what details most often trip up permits (ventilation, leak…
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2
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2
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August 14, 2025
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Do existing line sets need replacement for A2Ls, or just new fittings/cleaning? What are typical pass/fail scenarios in…
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2
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4
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August 14, 2025
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Are attic furnaces/air handlers compatible with A2Ls under your local IMC/IFC adoption, and what extra signage/barriers…
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3
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3
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August 14, 2025
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