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Exhaust vent – wasps nest!

Industrial Combustion Inc. HEV-E-OIL dual fuel burner. Model DE-M5P Serial No. W7614. Black pipe extending down behind the burner allows connection to gas pipe. Currently boiler uses No. 6 oil. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will often recommend 10 or more energy efficiency conservation measures with quick paybacks that can save you energy and money. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will examine bathroom exhaust vents on the roof and recommend repairs or replacement to save energy and improve indoor air quality. This one had a wasp's nest inside! © 2015 IntelliGreen Partners LLC

Incorrect TRV installation.jpg

Leaking radiator vent.jpg

If cost effective the LL87/09 energy auditor will recommend installing high efficiency gas-fired domestic hot water heaters to save energy and extend the life of the main boiler which can be turned off during the non-heating season. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor uses the DWYER Smoke Gage Comparison chart to determine boiler's combustion efficiency and make recommendations to save energy and money. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will examine the building's envelope (exterior walls, roof, windows) and may recommend weather sealing around A/C units to save energy. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will examine the integrity of the metal tubes inside the Scotch Marine Boiler. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will measure the temperature of domestic hot water in the apartments and make recommendations to save energy and money. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will use a combustion analyzer to test the boiler's combustion efficiency and make recommendations to reduce heat losses and save money. © 2015 IntelliGreen Partners LLC

LL87/09 Energy Auditor will notice that extra space heaters may indicate that the central heating system is insufficient for tenant comfort - and ask why. © 2015 IntelliGreen Partners LLC

The LL87/09 energy auditor will recommend insulating these 85°F hot uninsulated waste water pipes in an apartment kitchen to save energy and money. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will recommend weather sealing and insulating this tenant-installed A/C through-the-wall unit, which is totally exposed to the outside. © 2015 IntelliGreen Partners LLC

LL87/09 and LL84/09 - Carefully measuring each space use-type in your building will provide more accurate energy consumption benchmarking results and help you to track improvements. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will recommend professional weather sealing of this leaking atrium skylight. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will recommend repairing broken windows to prevent heat loss in winter and heat gain in the summer. © 2015 IntelliGreen Partners LLC

LL87/09 Skylights contribute to significant heat loss in winter and heat gain in summer. External solar shades or internal reflective film can reduce energy waste. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor inserts the probe of the combustion analyzer into the back of the boiler to measure its stack temperature and other noxious gases to determine the boiler's combustion efficiency and compare that to the manufacturer's rated efficiency. © 2015 IntelliGreen Partners LLC

LL87/09 energy auditor will note whether or not the combustion damper on the boiler's breeching is functioning properly. © 2015 IntelliGreen Partners LLC

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