A CO2 meter outdoors, next to a graph of indoor air metrics

TEDI and Ventilation, the tail that wags the dog

I will keep this post as short as possible because it is complex, and because it is complex I’ve made a calculator. Without discussing the actual interplay of 8 key variables pertaining to TEDI and ventilation, it would be impossible to separate facts from opinions, and pet theories from hard analysis. In a nutshell however, … Continue Reading

Netting Zero for Less

This paper proposes an open standard (data transparency), that uses a post-occupancy method of
certifying buildings based on actual performance data obtained from physical building attributes and utility
bills. This analysis results in a certification label that compares against provincial and/or federal
benchmarks and federal climate change mitigation targets.

Future Heating

We were initially under the assumption that we had to make an all-or-nothing choice: basically a) go 100% electric to get to zero carbon, or b) replace a gas furnace with a new gas furnace and lock in to a carbon-emitting heating system for the next 20 years – the estimated life of the system. That’s a false choice…

Mid-Century Matters

Mid-Century Modern design has always appealed to me, the low pitch, butterfly roofs, big beams that shoot through floor-to-ceiling glass, consistent ceiling to soffit transitions, natural materials, quirky cantilevers, open concept Kitchen-Living-Dining areas, what’s not to love? For houses that were designed in this style from the 1940’s through to the 1970’s, the ‘Atomic Ranch’ aesthetic has proven itself to be timeless because it’s good.

Architects as Energy Experts

Architects can and should use BEM or energy simulation tools for Design Optimization. Furthermore they can and should also be encouraged to use BEM for demonstrating Code Compliance. Lastly, Architects should also be encouraged to seek out professional certifications or designations such as LEED, Passive House and even EnerGuide or R2000 Evaluator designations in order to offer Certification Services, if they wish to expand their scope of practice.