At Horizon we are committed to helping Maine families enjoy healthy, comfortable, efficient homes. From air sealing and insulation to large-scale retrofits, we have the experience and expertise to fix problem areas and make your dream a reality on your budget.

Home Performance

Struggling with ice dams? Drafty rooms? High heating bills? Want to reduce your dependance on fossil fuels? We can assess your home and see how we can best meet your goals and your budget. We have helped hundreds of families improve their home's comfort and efficiency- from the smallest air sealing jobs to large-scale insulation and heating system replacements. Let us help you make a plan and achieve your goals. 

Home Performance Services »

Heating and Cooling

Often updates to heating and cooling systems are an important part of increasing a home’s overall energy performance. We can help you evaluate the options for improving upon or upgrading your existing systems, as well as let you know the impact this can have on your comfort and energy consumption.


Healthy Homes

At Horizon we believe that a healthy indoor environment is fundamentally important, and we will work with you at every step to improve air quality and comfort in your home. From air sealing to mold and radon remediation to our commitment to working with the greenest available building materials, we make sure our customers can rest assured that their living space supports the health of their families.

Happy Customers »

Warm in the winter, cool in the summer.

We know how to turn even the leakiest home into a haven in Maine's tempestuous climate.


"Dave and the crew were awesome. They worked with me to find what was financially doable--and the best investment. This insulation project turned out to have a much greater impact on our house than he or we expected--good news!"

— Noah Perlut, 2017 Horizon customer


Experience & Integrity

Helping Mainers make their homes healthier and more comfortable is what we do. For more than a decade Horizon has been at the forefront of green building and home performance services in Maine. Hear what out customers have to say.