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Flannery's Green Guide - Massachusetts


Important Contacts
ESCO's and ESP's
Energy Suppliers
Section One
Section Two
Section Three
Current Events
Efficiency Example
LEED Platinum Buildings
LEED Professionals
More Green Sites
Newsletter Archive
USGBC Web Sites

100% Solar
Custom Solar Home in Maine

GREENTIPS by the American Society of Heating, Refrigeration and Air Conditioning Engineers, details can be found in the ASHRAE Green Guide.
  1. ASHRAE GreenTip #1: Night Precooling
  2. ASHRAE GreenTip #2: Air-to-Air Heat Recovery-Heat Exchange Enthalpy Wheels
  3. ASHRAE GreenTip #3: Air-to-Air Heat Recovery-Heat Pipe Systems
  4. ASHRAE GreenTip #4: Air-to-Air Heat Recovery-Run-Around Systems
  5. ASHRAE GreenTip #5: Displacement Ventilation
  6. ASHRAE GreenTip #6: Dedicated Outdoor Air Systems
  7. ASHRAE GreenTip #7: Ventilation Demand Control Using CO2
  8. ASHRAE GreenTip #8: Hybrid Ventilation
  9. ASHRAE GreenTip #9: Variable Flow/Variable Speed Pumping Systems
  10. ASHRAE GreenTip #10: Low-NOx Burners
  11. ASHRAE GreenTip #11: Combustion Air Preheating
  12. ASHRAE GreenTip #12: Combination Space/Water Heaters
  13. ASHRAE GreenTip #13: Ground-Source Heat Pumps
  14. ASHRAE GreenTip #14: Water-Loop Heat Pump Systems
  15. ASHRAE GreenTip #15: Thermal Energy Storage for Cooling
  16. ASHRAE GreenTip #16: Double-Effect Absorption Chillers
  17. ASHRAE GreenTip #17: Gas-Engine-Driven Chillers
  18. ASHRAE GreenTip #18: Gas-Fired Chiller/Heaters
  19. ASHRAE GreenTip #19: Desiccant Cooling and Dehumidification
  20. ASHRAE GreenTip #20: Indirect Evaporative Cooling
  21. ASHRAE GreenTip #21: Solar Energy System-Photovoltaic
  22. ASHRAE GreenTip #22: Light Conveyor
  23. ASHRAE GreenTip #23: Water-Conserving Plumbing Fixtures
  24. ASHRAE GreenTip #24: Graywater Systems
  25. ASHRAE GreenTip #25: Point-of-Use Domestic Hot Water Heaters
  26. ASHRAE GreenTip #26: Direct-Contact Water Heaters
  27. ASHRAE GreenTip #27: Rainwater Harvesting
  28. ASHRAE GreenTip #28: Mixed Air Temperature Reset
  29. ASHRAE GreenTip #29: Cold Deck Temperature Reset with Humidity Override

30. Use Advance Transformer Company Lighting Retrofit Guidelines


31. Follow ASHRAE guidlines for your energy audits. They are comprehensive and provide tactical leadership for your energy and water conservation program.

32. Design new buildings and renovations up to LEED-NC Standards. Operate existing buildings up to LEED-EB

33. Go Carbon Nuetral through NativeEnergy or Bonniville Environmental Foundation.

Costs for Natural Gas .007 Dollars/MBTU, No.2 Oil .0179 Dollars/MBTU, Electricity .0362 Dollars/MBTU. September 2009.
Use duel fuel burners for heating and only offpeak electricity for heating(watersource heat pump systems)and air conditioning with Ice Thermal Storage Systems.

Furnish and Install LED light fixtures in lieu of incandescent and flourescent fixtures where applicable. see Use solar powered LED lights were applicable, see
Fibrestars' field study shows energy savings with fiber optic lighting vs. fluorescents 


Install 4-T-5 lamps and 1-effecient balast in fixtures with prizmatic lenses in lieu of 400 watt High Bay light fixtures. This can be applied in gymnasiums and warehouses and possibly factories. Add integral occupancy sensors on the fixtures and really cut your costs. Install T5 lighting systems in offices,schools and any other building type that has old T12 lamps and magnetic ballasts.
Install Energos Lighting Systems by Lightolier. Occupancy sensors and daylight on/off sensors come with the fixture. T5 or T8 lamps with electronic ballasts come with this luminaire. This is a really nice system for energy conservation. See

Install LED exit light fixtures in lieu of 40 watt exit light incandescent fixtures. See

Install 3-T8 lamps and 1-effecient ballast in a troffer with prizmatic lenzes in lieu of 4-40watt T-12 lamps in a 2x4 troffer with reflective coating. See

Install occupancy sensors in offices and warehouses. These can be integral sensors attached to the light fixture or wall mounted sensors in lieu of wall switches. The location of the sensors will based on a case by case basis. See

Install a Digital Addressable Lighting Interface ( DALI)system in offices and schools where lots of daylight is available. See Use Dayswitchs when they become available. See and

Install wireless remote wall socket plug in control to control window air conditioners. See

Take advantage of offpeak electricity costs and install an Ice Thermal Storage System. See

Take advantage of free cooling by installing Economiser Systems.

Take the bull by the horns and hire an ESP, ESCO or EEC from the accredidation list of NAESCO. Buy your fuel and elctricity from your ESP.

Follow the Massachusetts Energy Code and relevant ASHRAE standards for existing construction and new construction (ie Std 100-2006 Energy Conservation in Existing Buildings, Std 90.1 - 2004 Energy Standard for Buidings except Low Rise Residential Buildings, Std 90.2 - 2004 Energy Effecient Design of Low Rise Residential Buildings).

Install Vendor Miser on Vending machines. See

Buy and read the the ASHRAE (American Society of Heating, Refrigeration and Air Conditioning Engineers) Green Guide for more water conservation and energy efficient systems advice.
Apply some of the GREEN TIPS! See

Take advantage of Tax Breaks and Rebates for retrofits and new construction of energy and water conservation products.

Install low consumption one piece toilets. Example would be the Toto Ultra Max One Piece Toilet, 1.6 GPF,min water pressure - 8 psi, There are Duel Flush toilets now which provide even more savings but you might have to install oval piping on " horizontal "pipe runs.

Install water source heat pump systems with GEOTHERMAL Loops  in buildings with adjacent ponds or available ground locations. The EER can go up to 36. See Install Geothermal Heating and Cooling Systems using standing wells. Wells will be 1500 ft deep and supply water at 52 degrees.

Install Photovoltaic Solar Energy System, 3.5 kw system size (typical residential system), cost is $ 27,000.00 F&I, federal tax credit is 30% of system cost or $2,000.00 max, state tax credit is 15% of system cost or $ 1,000.00 max, state tax exemption and state property tax exemption for twenty years, MTC Grant is $ 12,500.00, Final cost is $ 11,750.00 F&I. Payback is approximatly 10 years.

Install Solar Domestic Hot Water Systems. The payback period for Residential Solar Domestic Hotwater systems is between 5 and 10 years. Example - System cost $6,600.00(three panels)tax credits state $990.00, tax credits federal $1,980.00,hot water cost/yr $325.00/yr - $ 1129.41yr,the lower cost is for natural gas and the higher cost is for electric, 40% savings for solar system in the winter and 100% in the summer. Projected inflation of fuel costs could range between 10 % and 25% per year. This data is for Massachusetts.

Replace old refrigerators in apt buildings. Install smaller energystar models. Buy in bulk to reduce purchasing costs.Refrigerators consume the most electricity in apt buildings which have gas or oil heating systems.

Install water pressure reducing valves. These save water  and reduce costs. Maintain twenty psi at the top floor. Control the pressure at each floor if possible.

Support Wind Power Systems Installations. The cost for a KWH of electricity produced by Wind Power Sysytems will be 3 cents per kwh by 2012 ( for class 4 winds). Wind maps point to the area around Cape Cod for excellent to outstanding wind resources.

Wind Resource Map
pink is good, purple is excellent and red is outstanding