Cozy Home Performance, LLC, located in Easthampton, MA, is a full service Building Envelope and Insulation Contractor. Our design and installation methods are based on an integrated building systems approach that follow primary principles of building science and building performance standards. We ensure the buildings we service are: air tight – comprehensively insulated – energy efficient; as well as, comfortable, safe and durable. Our detailed work will achieve the building envelope standards and the full value your investment demands. We guarantee our work and your complete satisfaction.
We provide full insulation and building envelope services for Commercial, Institutional, Residential and Multi-family buildings; new construction and retrofication. We have proudly been serving Western Mass and beyond since 2006.
Building Envelope and Insulation Services
High Performance Insulation Assemblies:
- Open and Closed Cell Spray Foam
- Loose blown and Dense pack Cellulose
- Integrated Air Barrier Controls
- Design and Testing

Vented roof w R49 closed cell spray foam
Building Envelope Diagnostics:
- Building Airtightness Testing – Blower Door
- Infrared Thermography – IR Scan
- Air Barrier Verification
- Insulation Inspection

Infrared image of hot roof in winter
Additional Services:
- Fire Barrier Coatings
- Institutional and Industrial Facilities
- Energy Audits / Building Evaluations
- Ice Dam and Comfort Solutions

Severe ice damming
Featured News and Updates
Northampton Residents: Save $$ on Energy Bills
Northampton residents, check out HeatSmart Northampton! Find out how you can save on energy bills while reducing your greenhouse gas emissions. Also, in order to fully actualize energy savings Cozy Home Performance, LLC can help [...]
7 Old South Street meets the Mass Save Multi-Family Program and SAVES BIG!
Mass Save Multi-Family Program 7 Old South Street, in the heart of Northampton, was built in the early 1900's. Over time this building has changed it's function many times over. Today it is the [...]
Don’t Sweat It! Stay Cool with a Summer Infrared Scan
Winter's cold is out and Summer's heat is in. With the recent 90 degree heat wave we at Cozy Home Performance are reminded of how valuable an infrared scan of exterior walls and roofs can [...]
Cozy Home Performance is a partner contractor with all utilities that participate in the Mass Save Program. Residential projects may be eligible for free energy audits, air sealing and insulation incentives. Commercial retrofit projects may also qualify for Mass Save’s Commercial Energy Efficiency Program and be eligible for insulation and air barrier incentives, plus mechanical upgrades.
GREAT NEWS! for National Grid and Eversource customers! Mass Save has extended the NO CAP incentives promotion! That means you can get all the weatherization work done on your home and only pay 25% on standard proposals and only 10% on moderate income proposals!
This UNLIMITED incentive offer will end December 31, 2018, schedule an audit before the cutoff date to take advantage of this amazing offer!
Current Projects
7 Old South Street meets the Mass Save Multi-Family Program and SAVES BIG!
Mass Save Multi-Family Program 7 Old South Street, in the heart of Northampton, was built in the early 1900's. Over time this building has changed it's function many times over. Today it is the [...]
Super Airtight! Northampton Community Arts Trust – Fall, 2016
Of 3 blower doors, only 1.5 were needed to achieve target A wonderful new arts and theater venue is under construction in Northampton, Mass. - the Northampton Community Arts Trust building. The building [...]
Westhampton Cottage Makeover – June 2016
Local general Contractor, Wade Clement, hired Cozy Home to design and rebuild the building envelope of a 100-year-old cottage. Compared to new construction, retrofits require a great deal of thought and detail. This building had post and beam framing along with interior stud wall framing.
Current Projects
7 Old South Street meets the Mass Save Multi-Family Program and SAVES BIG!
Mass Save Multi-Family Program 7 Old South Street, in the heart of Northampton, was built in the early 1900's. Over time this building has changed it's function many times over. Today it is the [...]
Super Airtight! Northampton Community Arts Trust – Fall, 2016
Of 3 blower doors, only 1.5 were needed to achieve target A wonderful new arts and theater venue is under construction in Northampton, Mass. - the Northampton Community Arts Trust building. The building [...]
Westhampton Cottage Makeover – June 2016
Local general Contractor, Wade Clement, hired Cozy Home to design and rebuild the building envelope of a 100-year-old cottage. Compared to new construction, retrofits require a great deal of thought and detail. This building had post and beam framing along with interior stud wall framing.