Can a phone flashlight tell you whether a window has low-e glass?
How to use reflection colour as a clue, verify the coating, and avoid inventing a window’s energy rating.
Your HRV is running. Is it actually delivering balanced ventilation?
Check both airflows, the operating sequence and the design target. An illustrative comparison shows why equal supply and exhaust can...
Is 5 ACH50 typical for a house like mine?
A comparison of 1,127 Alberta detached homes shows how whole-home airtightness varies by construction period, and where a result of...
Why ACH50 alone did not explain this home’s modeled heat-loss change
ACH50 rose 3.4%, leakage area at 10 Pa rose 7.6%, and modeled infiltration heat loss rose 9.3%. The differences show...
What would it take to verify this solar home’s actual savings?
The model estimates 8,898 kWh of annual solar generation. Here are the meter records and comparisons needed to check production,...
A 30 GJ EnerGuide improvement, with modeled consumption almost unchanged
One home’s EnerGuide rating fell from 127 to 97 GJ/year. Its modeled consumption rose slightly. The paired records show where...
Alberta gas prices: stress-test your heating costs
LNG adds demand, but household bills depend on more than a wholesale benchmark. A transparent heating-cost example shows how to...
Canada Secondary Suite Loan Program: the announced loan will not proceed
The federal secondary-suite loan announced in 2024 was not implemented. Here is what changed and what homeowners should verify before...
How to Keep Your Home Warm: Energy-Efficient Tips from NRCan’s ‘Keeping the Heat In’
As winter sets in, ensuring your home retains warmth becomes essential for comfort and energy efficiency. Natural Resources Canada's guide,...
Heat-pump water heating: what this cost comparison actually shows
Rebuilding a 2024 modeled comparison puts the heat pump ahead of resistance electric, while gas remains cheapest under the study’s...