Case Study

200 Rue Montcalm

Gatineau, Quebec, Canada

$7,011 (CAD)


110,400 kg

A pilot of EndoTherm was run by Multivesco at 200 Rue Montcalm in Gatineau after recommendation from WSP’s team in Ottawa. This modern, glass fronted Class A office is heated and cooled by a two-pipe heat pump system. This means EndoTherm will provide improvements in heat transfer throughout the heating and cooling season. The product was installed into Tower 1 which takes up 60% of total electrical consumption of the site.

The site is not sub-metered and thus the total consumption includes other electrical loads such as lighting / computers. This baseload (none-HVAC consumption) will be identified as part of the analysis. 60L of EndoTherm was installed into the system in January 2019.

The measurement & verification is based on the ‘International Protocol for the Measurement & Verification of Performance (IPMVP).’ Historical data was supplied by WSP/Multivesco over the past 2 years. This did include some estimated data which was eliminated from consideration. The consumption data was normalized using Heating & Cooling Degree Data from the nearby weather station at Gatineau Airport at a baseload of 18.5°C.

The billing data for April/May and May/June was estimated data. Thus the meter reading taken on the 31st July 2019 suggests that this estimate was on the low end as the value for June – July was higher. If you average these three months there is a saving compared to similar months in previous years.

The final time monthly period runs from the 23rd June – 31st July runs for 38 days. This is seven days more than the rest of the monthly periods and thus the non-electrical baseload will be increased. To reflect this the baseload will be increased from 293,403kWh to 359,655kWh.

The predicted consumption is calculated by inputting the combined HDD+CDD into the line of best fit equation y= 317.7x + 293,403. This is compared with the predicted consumption to calculate the saving during the time period.


From To No. Days HDD CDD HDD+CDD Usage
Data Type Predicted
2019-01-24 2019-02-23 30 901.1 0 901.1 545,400 Actual 579,682.47 34,282.47
2019-02-24 2019-03-25 29 745 0 745 525,600 Actual 530,089.5 4489.5
2019-03-26 2019-04-23 28 446.5 0 446.5 360,000 Actual 435,256.05 75,256.05
2019-04-24 2019-05-23 29 261.7 2 263.7 287,100 Estim 377,180.49 90,080.49
2019-05-24 2019-06-23 30 102.7 29.1 131.8 287,100 Estim 335,275.86 481,75.86
2019-06-23 2019-07-31 38 14.3 171.5 185.8 411,300 Actual 418,683.66 7,383.66
TOTAL   184 2471.3 202.6 2,673.9 2,416,500   2,676,168.03 259,668.03


Compensated Saving:


Total Cash Saving:

$7,011 (CAD)

Total CO2 Saving:

110,400 kg

Over the 6-month pilot period the actual consumption was 259,668kWh lower than the predicted consumption. This is a 9.7% reduction in consumption. It is worth noting that the baseload (293,403kWh) for each month is roughly 50% of the total consumption thus cooling accounts for only 50% of total consumption. This would make the HVAC saving 19.4%. As EndoTherm was only installed into Tower 1 (60%) the saving is therefore 11.64%

This is higher than the average saving achieved by EndoTherm over the past 5 years and can most likely be accounted for by variance in other electrical consumption on site. At 4.5c/kWh this is a saving of $7,011. This also confirms that the product investment has a typical ROI within 1 year.

Each kWh saving is also a reduction of CO2e. The total saving is equivalent to 110,400kg (110.4 metric tonnes) of CO2e.

Contact Us

Permission to contact:

EndoTherm Presented at US Department of Defense Energy Efficiency Symposium

Dale Edginton, the North American Operations Manager for EndoTherm, recently had the honour of presenting at the Department of Defense's (DoD) Energy & Environment Innovation Symposium; a gathering...

Thrive Homes Partners with Endo Enterprises to Provide Heating Energy Savings for Tenants

Thrive Homes, a leading housing association in the UK across Hertfordshire, Bedfordshire, Buckinghamshire and Oxfordshire, has announced a new partnership with Endo Enterprises to provide and...

Californians Get More from Your Hydronic Heating System with a Free Energy Efficiency Study

Is your commercial or multifamily building heated by a hydronic system that uses natural gas? Is your building a SoCal Gas, SDG&E or PG&E natural gas customer? If so, you may qualify for a no-cost...

Carrier Air Conditioning Confirm Equipment Compatibility with EndoTherm

We are excited to announce that Carrier Air Conditioning, a global provider of innovative heating, ventilating and air conditioning (HVAC), refrigeration, fire, security and building automation...

Solent NHS Trust Rolls Out EndoTherm

We are excited to announce that our energy-saving additive, EndoTherm, has been installed in multiple hospitals and healthcare buildings across the Solent NHS Trust estates portfolio. Working with...