This family cut their home’s energy use by more than 60% by electrifying their #HVAC and water heating systems and adding renewable energy. Explore the case study, our first mechanical-only #deepretrofit in the library & read the homeowner’s advice on what to ask your HVAC suppliers: buff.ly/LRRvwIq
October 23, 2025 at 7:17 PM
This family cut their home’s energy use by more than 60% by electrifying their #HVAC and water heating systems and adding renewable energy. Explore the case study, our first mechanical-only #deepretrofit in the library & read the homeowner’s advice on what to ask your HVAC suppliers: buff.ly/LRRvwIq
🏠✨ 1937 Charlottetown home → Net-Zero Ready!
Join us on September 11 (11 AM MT) for Prima, Non Ultima — a free webinar on a #deepretrofit case study.
✅ 60%+ energy savings
✅ 80%+ heating reduction
👉 Register now: buff.ly/5g13ErV
#PassiveHouse #NetZero
#deepenergyretrofits
Join us on September 11 (11 AM MT) for Prima, Non Ultima — a free webinar on a #deepretrofit case study.
✅ 60%+ energy savings
✅ 80%+ heating reduction
👉 Register now: buff.ly/5g13ErV
#PassiveHouse #NetZero
#deepenergyretrofits
August 26, 2025 at 4:18 PM
🏠✨ 1937 Charlottetown home → Net-Zero Ready!
Join us on September 11 (11 AM MT) for Prima, Non Ultima — a free webinar on a #deepretrofit case study.
✅ 60%+ energy savings
✅ 80%+ heating reduction
👉 Register now: buff.ly/5g13ErV
#PassiveHouse #NetZero
#deepenergyretrofits
Join us on September 11 (11 AM MT) for Prima, Non Ultima — a free webinar on a #deepretrofit case study.
✅ 60%+ energy savings
✅ 80%+ heating reduction
👉 Register now: buff.ly/5g13ErV
#PassiveHouse #NetZero
#deepenergyretrofits
Just wrapped another case study: a century-old Toronto semi-detached home sheds its gas dependence and drafts. Through a #deepretrofit, the home slashed its energy demand by over 70%.
Read the case study: buff.ly/XBHf4Dc
Read the case study: buff.ly/XBHf4Dc
Toronto Semi-Detached Brick
This 1908 home’s energy demands were cut by over 70%...
buff.ly
August 22, 2025 at 9:56 PM
Just wrapped another case study: a century-old Toronto semi-detached home sheds its gas dependence and drafts. Through a #deepretrofit, the home slashed its energy demand by over 70%.
Read the case study: buff.ly/XBHf4Dc
Read the case study: buff.ly/XBHf4Dc
Another case study, pipin’ hot, straight outta the high-efficiency range (powered by renewables, of course). The #deepretrofit cut this 100-year-old brick home’s energy needs by 70% with a tried-and-true combo of envelope upgrades, mechanical electrification and a dollop of solar.
Toronto Semi-Detached Brick
This 1908 home’s energy demands were cut by over 70%...
buff.ly
August 14, 2025 at 5:09 PM
Another case study, pipin’ hot, straight outta the high-efficiency range (powered by renewables, of course). The #deepretrofit cut this 100-year-old brick home’s energy needs by 70% with a tried-and-true combo of envelope upgrades, mechanical electrification and a dollop of solar.
⭐️ Let’s welcome Samson Cree Nation to the Energy InSites program! ⭐️
💡📊 Learn more about how Indigenous communities across Canada are addressing their energy conservation and efficiency needs → yourcier.org/energy-insit...
#DeepRetrofit #EnergySavings #CommunityBenefits
💡📊 Learn more about how Indigenous communities across Canada are addressing their energy conservation and efficiency needs → yourcier.org/energy-insit...
#DeepRetrofit #EnergySavings #CommunityBenefits
August 1, 2025 at 2:45 PM
⭐️ Let’s welcome Samson Cree Nation to the Energy InSites program! ⭐️
💡📊 Learn more about how Indigenous communities across Canada are addressing their energy conservation and efficiency needs → yourcier.org/energy-insit...
#DeepRetrofit #EnergySavings #CommunityBenefits
💡📊 Learn more about how Indigenous communities across Canada are addressing their energy conservation and efficiency needs → yourcier.org/energy-insit...
#DeepRetrofit #EnergySavings #CommunityBenefits
Need help with a #deepretrofit? My consulting practice, affectingchange, helps building owners across Canada and in the United States get an energy-efficient, sustainable, healthy and climate-resilient building.
July 31, 2025 at 9:42 PM
Need help with a #deepretrofit? My consulting practice, affectingchange, helps building owners across Canada and in the United States get an energy-efficient, sustainable, healthy and climate-resilient building.
🧥 New "jacket" for a 1960s bungalow 🏠
This #deepretrofit cut energy use by over 69% by wrapping the home in a high-performance building envelope.
Now draft-free, more comfortable, and one heat pump away from #netzero.
Read the case study: 🔗 buff.ly/mBuA1jv
#retrofitcanada
#deepenergyretrofits
This #deepretrofit cut energy use by over 69% by wrapping the home in a high-performance building envelope.
Now draft-free, more comfortable, and one heat pump away from #netzero.
Read the case study: 🔗 buff.ly/mBuA1jv
#retrofitcanada
#deepenergyretrofits
June 20, 2025 at 4:27 PM
🧥 New "jacket" for a 1960s bungalow 🏠
This #deepretrofit cut energy use by over 69% by wrapping the home in a high-performance building envelope.
Now draft-free, more comfortable, and one heat pump away from #netzero.
Read the case study: 🔗 buff.ly/mBuA1jv
#retrofitcanada
#deepenergyretrofits
This #deepretrofit cut energy use by over 69% by wrapping the home in a high-performance building envelope.
Now draft-free, more comfortable, and one heat pump away from #netzero.
Read the case study: 🔗 buff.ly/mBuA1jv
#retrofitcanada
#deepenergyretrofits
This phased #deepretrofit in Ontario started back in 2022. Now they've just passed the midway point - foundation, mechanical and attic are done, and the home is already using 60 per cent less energy. Check out the case study here and follow us for updates.
buff.ly/QjuLg0m
#deepenergyretrofits
buff.ly/QjuLg0m
#deepenergyretrofits
Southeastern Ontario Phased Retrofit
A staged retrofit done right.
retrofitcanada.com
May 28, 2025 at 4:59 PM
This phased #deepretrofit in Ontario started back in 2022. Now they've just passed the midway point - foundation, mechanical and attic are done, and the home is already using 60 per cent less energy. Check out the case study here and follow us for updates.
buff.ly/QjuLg0m
#deepenergyretrofits
buff.ly/QjuLg0m
#deepenergyretrofits
⭐️Let’s welcome Tribal Chiefs Ventures Inc. to the Energy InSites program! ⭐️
💡📊Learn more about how Indigenous communities across Canada are addressing their energy conservation and efficiency needs → yourcier.org/energy-insit...
#DeepRetrofit #EnergySavings #CommunityBenefits
💡📊Learn more about how Indigenous communities across Canada are addressing their energy conservation and efficiency needs → yourcier.org/energy-insit...
#DeepRetrofit #EnergySavings #CommunityBenefits
May 9, 2025 at 2:46 PM
⭐️Let’s welcome Tribal Chiefs Ventures Inc. to the Energy InSites program! ⭐️
💡📊Learn more about how Indigenous communities across Canada are addressing their energy conservation and efficiency needs → yourcier.org/energy-insit...
#DeepRetrofit #EnergySavings #CommunityBenefits
💡📊Learn more about how Indigenous communities across Canada are addressing their energy conservation and efficiency needs → yourcier.org/energy-insit...
#DeepRetrofit #EnergySavings #CommunityBenefits
@godostoyke.bsky.social used a modified Larsen truss to limit thermal bridging and hold 8" of compressed cellulose in this advanced envelope system. The innovation was essential to this #deepretrofit that made a 1971 bi-level home #netzero.
Read the case study: buff.ly/lHKqFBj
Read the case study: buff.ly/lHKqFBj
April 2, 2025 at 6:28 PM
@godostoyke.bsky.social used a modified Larsen truss to limit thermal bridging and hold 8" of compressed cellulose in this advanced envelope system. The innovation was essential to this #deepretrofit that made a 1971 bi-level home #netzero.
Read the case study: buff.ly/lHKqFBj
Read the case study: buff.ly/lHKqFBj
It was bound to happen! We've finally made it to the West Coast with this case study. The Fernwood #deepretrofit transformed a 1912 home into a net-positive energy residence with full electrification, enhanced insulation, and solar panels.
buff.ly/CPlG3fa
#deepenergyretrofit
#netzero
buff.ly/CPlG3fa
#deepenergyretrofit
#netzero
March 31, 2025 at 10:14 PM
It was bound to happen! We've finally made it to the West Coast with this case study. The Fernwood #deepretrofit transformed a 1912 home into a net-positive energy residence with full electrification, enhanced insulation, and solar panels.
buff.ly/CPlG3fa
#deepenergyretrofit
#netzero
buff.ly/CPlG3fa
#deepenergyretrofit
#netzero
Our newest case study comes to us from Manitoba's @suncertified.bsky.social . The Full Monty, an envelope-first, #netzero ready #deepretrofit guided by Passive House principles, cut the home's annual energy consumption by 70 per cent.
Read the case study here: buff.ly/UN37Nhu
Read the case study here: buff.ly/UN37Nhu
March 26, 2025 at 2:41 PM
Our newest case study comes to us from Manitoba's @suncertified.bsky.social . The Full Monty, an envelope-first, #netzero ready #deepretrofit guided by Passive House principles, cut the home's annual energy consumption by 70 per cent.
Read the case study here: buff.ly/UN37Nhu
Read the case study here: buff.ly/UN37Nhu
There’s always a story behind every retrofit in our library, but our latest case study out of Quebec is particularly awesome. In 1965, a barn was converted to a home. Sixty years later, a #deepretrofit transformed it into a high-performance home.
Give it a read here: buff.ly/fo3oPQk
#netzeroready
Give it a read here: buff.ly/fo3oPQk
#netzeroready
The Sucrerie Retrofit
The Sucrerie Retrofit transformed a former barn...
buff.ly
March 20, 2025 at 8:42 PM
There’s always a story behind every retrofit in our library, but our latest case study out of Quebec is particularly awesome. In 1965, a barn was converted to a home. Sixty years later, a #deepretrofit transformed it into a high-performance home.
Give it a read here: buff.ly/fo3oPQk
#netzeroready
Give it a read here: buff.ly/fo3oPQk
#netzeroready
Another #deepretrofit case study!
The builder wrapped the home in continuous air and thermal barriers using a prairie technique called a chainsaw retrofit. With electrified mechanical and solar, the home's annual consumption dropped from 141 GJ to just 33.
buff.ly/9x4Ww0w
#deepenergyretrofits
The builder wrapped the home in continuous air and thermal barriers using a prairie technique called a chainsaw retrofit. With electrified mechanical and solar, the home's annual consumption dropped from 141 GJ to just 33.
buff.ly/9x4Ww0w
#deepenergyretrofits
March 18, 2025 at 9:11 AM
Another #deepretrofit case study!
The builder wrapped the home in continuous air and thermal barriers using a prairie technique called a chainsaw retrofit. With electrified mechanical and solar, the home's annual consumption dropped from 141 GJ to just 33.
buff.ly/9x4Ww0w
#deepenergyretrofits
The builder wrapped the home in continuous air and thermal barriers using a prairie technique called a chainsaw retrofit. With electrified mechanical and solar, the home's annual consumption dropped from 141 GJ to just 33.
buff.ly/9x4Ww0w
#deepenergyretrofits
Join Retrofit Canada & ENBIX for an in-person event featuring LEEP's Larsen Truss Case Studies: High-Performance Walls for Renovations.
Date: April 8
Location: Airdrie, Alberta
Register here: buff.ly/kJuTfAA
#EnergyEfficiency #BuildingScience #Retrofit #NetZero #Sustainability #deepretrofit
Date: April 8
Location: Airdrie, Alberta
Register here: buff.ly/kJuTfAA
#EnergyEfficiency #BuildingScience #Retrofit #NetZero #Sustainability #deepretrofit
LEEP Larsen Truss Case Studies: High Performance Walls for Renovations | Enbix Event Calendar
Join Retrofit Canada and ENBIX as we host a presentation of LEEP’s Larsen Truss Case Studies: High Performance Walls for Renovations.
buff.ly
March 10, 2025 at 7:49 PM
Join Retrofit Canada & ENBIX for an in-person event featuring LEEP's Larsen Truss Case Studies: High-Performance Walls for Renovations.
Date: April 8
Location: Airdrie, Alberta
Register here: buff.ly/kJuTfAA
#EnergyEfficiency #BuildingScience #Retrofit #NetZero #Sustainability #deepretrofit
Date: April 8
Location: Airdrie, Alberta
Register here: buff.ly/kJuTfAA
#EnergyEfficiency #BuildingScience #Retrofit #NetZero #Sustainability #deepretrofit
"What if we've been wrong about the housing crises?"
Homes that Don't Cost the Earth #HDCE
is a UK project that is taking a fresh look at environmentally sustainable solutions to the housing crisis...
#DeepRetrofit
#AffordabilityCrisis
#ClimateCrisis
#FuelPoverty
youtu.be/FlIAcRCfWk8?...
Homes that Don't Cost the Earth #HDCE
is a UK project that is taking a fresh look at environmentally sustainable solutions to the housing crisis...
#DeepRetrofit
#AffordabilityCrisis
#ClimateCrisis
#FuelPoverty
youtu.be/FlIAcRCfWk8?...
Homes that Don't Cost the Earth - project animation 2025
YouTube video by Rising Tide
youtu.be
March 8, 2025 at 8:25 AM
"What if we've been wrong about the housing crises?"
Homes that Don't Cost the Earth #HDCE
is a UK project that is taking a fresh look at environmentally sustainable solutions to the housing crisis...
#DeepRetrofit
#AffordabilityCrisis
#ClimateCrisis
#FuelPoverty
youtu.be/FlIAcRCfWk8?...
Homes that Don't Cost the Earth #HDCE
is a UK project that is taking a fresh look at environmentally sustainable solutions to the housing crisis...
#DeepRetrofit
#AffordabilityCrisis
#ClimateCrisis
#FuelPoverty
youtu.be/FlIAcRCfWk8?...
This was the first #deepretrofit case study we published way back in 2020. Thanks to our brand new and improved library platform, we were able to add more data, more photos, more technical data and more info about how the owners got it done for all you retrofit enthusiasts. Link: buff.ly/9wPwVQG
March 6, 2025 at 1:20 PM
This was the first #deepretrofit case study we published way back in 2020. Thanks to our brand new and improved library platform, we were able to add more data, more photos, more technical data and more info about how the owners got it done for all you retrofit enthusiasts. Link: buff.ly/9wPwVQG
Another #deepretrofit case study! Check out how this project got a 130-year-old Montreal duplex with no less than three party walls, three different wall assemblies, a two-floor addition, and a rubble foundation to #netzero ready.
Case Study Link: buff.ly/7yEww6F
#deepenergyretrofits
Case Study Link: buff.ly/7yEww6F
#deepenergyretrofits
Charon Retrofit Case Study
Fellipe Falluh of Retrofit Construction retrofitted an 1890s Montréal Row Home duplex to net-zero-ready.
buff.ly
March 5, 2025 at 9:33 AM
Another #deepretrofit case study! Check out how this project got a 130-year-old Montreal duplex with no less than three party walls, three different wall assemblies, a two-floor addition, and a rubble foundation to #netzero ready.
Case Study Link: buff.ly/7yEww6F
#deepenergyretrofits
Case Study Link: buff.ly/7yEww6F
#deepenergyretrofits
Register now for our March 24 #deepretrofit webinar: retrofitcanada.com/events/retro...
If you haven’t been, here’s what to expect:
🔍 Lessons from real-world projects
⚒️ A Q&A with hands-on experts
🤓 Nerding out on construction details
#deepenergyretrofits
#greenbuilding
#homebuilders
If you haven’t been, here’s what to expect:
🔍 Lessons from real-world projects
⚒️ A Q&A with hands-on experts
🤓 Nerding out on construction details
#deepenergyretrofits
#greenbuilding
#homebuilders
Retrofit Canada presents Retrofit Construction - Retrofit Canada | Deep Energy Retrofits
Join Retrofit Canada on March 24, 2025, for a detailed look at a deep retrofit in Quebec, presented by Fellipe...
retrofitcanada.com
March 4, 2025 at 8:05 PM
Register now for our March 24 #deepretrofit webinar: retrofitcanada.com/events/retro...
If you haven’t been, here’s what to expect:
🔍 Lessons from real-world projects
⚒️ A Q&A with hands-on experts
🤓 Nerding out on construction details
#deepenergyretrofits
#greenbuilding
#homebuilders
If you haven’t been, here’s what to expect:
🔍 Lessons from real-world projects
⚒️ A Q&A with hands-on experts
🤓 Nerding out on construction details
#deepenergyretrofits
#greenbuilding
#homebuilders
ICYMI, we just published this case study for a #deepretrofit that reduced this home's annual energy consumption from 203 GJ all the way down to zero. Give it a read.
buff.ly/4hNJG17
#deepretrofits
#netzero
#solarpanels
buff.ly/4hNJG17
#deepretrofits
#netzero
#solarpanels
New Case study
A hat, a coat and a boot
buff.ly
February 27, 2025 at 11:14 PM
ICYMI, we just published this case study for a #deepretrofit that reduced this home's annual energy consumption from 203 GJ all the way down to zero. Give it a read.
buff.ly/4hNJG17
#deepretrofits
#netzero
#solarpanels
buff.ly/4hNJG17
#deepretrofits
#netzero
#solarpanels
48 hours to go! Join us for a free 3-course #deepretrofit nosh-up.
Start with a refreshing appetizer of deep retrofit fundamentals, followed by a hearty and nutritious case study from Sun Certified Builders Co-op. Dessert? Tuck into a builder-to-builder Q&A with our expert guests.
Start with a refreshing appetizer of deep retrofit fundamentals, followed by a hearty and nutritious case study from Sun Certified Builders Co-op. Dessert? Tuck into a builder-to-builder Q&A with our expert guests.
Retrofit Canada Presents Sun Certified Builders Co-op - Retrofit Canada | Deep Energy Retrofits
Join Retrofit Canada’s free webinar featuring Sun Certified Builders Co-op. Experts Donald Proven, Sean Scammell, and Ben Hildebrandt will share insights on deep retrofits, building science, and…
buff.ly
February 26, 2025 at 5:29 PM
48 hours to go! Join us for a free 3-course #deepretrofit nosh-up.
Start with a refreshing appetizer of deep retrofit fundamentals, followed by a hearty and nutritious case study from Sun Certified Builders Co-op. Dessert? Tuck into a builder-to-builder Q&A with our expert guests.
Start with a refreshing appetizer of deep retrofit fundamentals, followed by a hearty and nutritious case study from Sun Certified Builders Co-op. Dessert? Tuck into a builder-to-builder Q&A with our expert guests.
Have you undertaken training with us?
🙏 We have a free offer for our Alumni
🥇 1 CEPH/PHI point available for each live event
🏠 8 of our trainers will talk through 12 of the projects they have worked on
#passivhaus #EnerPHit #deepretrofit
📆 We start on Thursday 27 Feb
✅ 45 min online webinars
🙏 We have a free offer for our Alumni
🥇 1 CEPH/PHI point available for each live event
🏠 8 of our trainers will talk through 12 of the projects they have worked on
#passivhaus #EnerPHit #deepretrofit
📆 We start on Thursday 27 Feb
✅ 45 min online webinars
February 20, 2025 at 8:05 AM
Have you undertaken training with us?
🙏 We have a free offer for our Alumni
🥇 1 CEPH/PHI point available for each live event
🏠 8 of our trainers will talk through 12 of the projects they have worked on
#passivhaus #EnerPHit #deepretrofit
📆 We start on Thursday 27 Feb
✅ 45 min online webinars
🙏 We have a free offer for our Alumni
🥇 1 CEPH/PHI point available for each live event
🏠 8 of our trainers will talk through 12 of the projects they have worked on
#passivhaus #EnerPHit #deepretrofit
📆 We start on Thursday 27 Feb
✅ 45 min online webinars
Heat pump diaries:
Seems some eejit (it was me!) Knocked off the heat pump yesterday evening by accident. It had dropped to 16.5’C by this morning on a night when it was -3’C outside! So the insulation is keeping us fairly toasty anyway.
#DeepRetroFit #Heatpump
Seems some eejit (it was me!) Knocked off the heat pump yesterday evening by accident. It had dropped to 16.5’C by this morning on a night when it was -3’C outside! So the insulation is keeping us fairly toasty anyway.
#DeepRetroFit #Heatpump
January 9, 2025 at 7:52 AM
Heat pump diaries:
Seems some eejit (it was me!) Knocked off the heat pump yesterday evening by accident. It had dropped to 16.5’C by this morning on a night when it was -3’C outside! So the insulation is keeping us fairly toasty anyway.
#DeepRetroFit #Heatpump
Seems some eejit (it was me!) Knocked off the heat pump yesterday evening by accident. It had dropped to 16.5’C by this morning on a night when it was -3’C outside! So the insulation is keeping us fairly toasty anyway.
#DeepRetroFit #Heatpump
Our Christmas tree in the hallway. We still are only living in part of the house after the #DeepRetroFit - soon we will have it all back in use. This year the hallway is getting the works!
#Speirgorm
#Speirgorm
December 20, 2024 at 11:39 AM
Our Christmas tree in the hallway. We still are only living in part of the house after the #DeepRetroFit - soon we will have it all back in use. This year the hallway is getting the works!
#Speirgorm
#Speirgorm
So, changing the air filters on the Mechanical Heat Recovery Ventilation System in Cork City.
Wait until the end for outside air filter. This is after 2.5 months, with coal fires only really kicking off in October or so.
Wait until the end for outside air filter. This is after 2.5 months, with coal fires only really kicking off in October or so.
November 28, 2024 at 7:10 PM