Spray Foam Insulation Contractors in New Hampshire
Climate Zone
Average Cost
$1.50 - $3.50 per sq ft
Building Code Info
Cities in New Hampshire
Top Contractors in New Hampshire
Spray Foam Insulators By Luke Whitcomb
New Hampshire, New Hampshire
Specializing in spray foam insulation solutions for New Hampshire's challenging climate, Spray Foam...
Weathertight Spray Foam, LLC
New Hampshire, New Hampshire
Weathertight Spray Foam, LLC delivers both closed-cell and open-cell insulation solutions to New Ham...
Residential · Commercial
Get a Free QuotePrecision Applications
New Hampshire, New Hampshire
Precision Applications, BBB accredited since its founding, specializes in closed-cell spray foam ins...
Residential · Commercial
Get a Free QuoteSuperior Spray Foam Company, Inc.
New Hampshire, New Hampshire
Superior Spray Foam Company, Inc. serves homeowners and builders throughout New Hampshire with close...
Green Era Insulation, LLC
New Hampshire, New Hampshire
Green Era Insulation, LLC specializes in spray foam insulation for new construction projects through...
Climate Zone
5-6
Average Cost
$3.25-$7.00/sq ft
R-Value (Attic)
R-49
R-Value (Walls)
R-20
Climate: cold
New Hampshire's harsh winters and many older homes create strong demand for spray foam. The state's NHSaves program offers rebates for insulation.
Why Spray Foam Insulation in New Hampshire?
New Hampshire's harsh winters and many older homes create strong demand for spray foam. The state's NHSaves program offers rebates for insulation. With a cold climate, proper insulation is essential for maintaining comfortable indoor temperatures year-round.
In New Hampshire's cold conditions, spray foam provides superior performance compared to traditional insulation materials. This can lead to substantial savings on heating and cooling costs throughout the year.
With average costs ranging from $3.25-$7.00 per square foot, spray foam insulation is a smart investment for New Hampshire homeowners.
Building Code Requirements in New Hampshire
Attic Insulation
R-49
Wall Insulation
R-20
Climate Zone
5-6
These are minimum requirements. Higher R-values provide better performance and energy savings.
Popular Cities in New Hampshire
Frequently Asked Questions
How much does spray foam insulation cost in this state?
Spray foam insulation typically costs $1.75-$4.00 per square foot, depending on the type (open-cell vs closed-cell) and project scope.
What R-value is required for insulation?
Current building codes require R-49 for attics and R-20 for walls in Climate Zone 5-6.
Should I choose open-cell or closed-cell spray foam?
In a cold climate, closed-cell is recommended for its moisture barrier and higher R-value per inch.