Save money on heating and cooling costs by adding insulation to your home or rental units! Update with spray foam or cellulose insulation. We also cut heating and cooling costs with heat pumps, new windows, doors, and air exchangers! With rebates through Efficiency Maine you could save up to $8000! Financing is also available! DH Insulation and Home Performance DH Insulation and Home Performance is veteran owned and operated and serves central, southern, and coastal Maine. Our Mission Our mission is to save homeowners money on heating cost, keep them warmer and more comfortable in the winter, and to help lower the carbon footprint for the environment.