Insulation Guides for Homeowners
Straight answers about insulating your home — written by the crew that does the work, not a marketing department. 72 guides, no sign-up, no sales pitch.
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New to this? These answer the questions almost every homeowner asks first.
7 Signs Your Home Needs New Insulation
Drafts, cold rooms, high bills — how to read what your house is telling you.
Read the guideWhat Is a Home Energy Audit?
What we look for, what it costs you (nothing), and what you get out of it.
Read the guideWhat Does Spray Foam Cost?
The real factors behind a spray foam quote, explained plainly.
Read the guideInsulation Rebates & Incentives
Programs available to NY and NJ homeowners, and how to qualify.
Read the guideHow to Choose an Insulation Contractor
The questions to ask before you let anyone into your attic.
Read the guideCommon Insulation Mistakes to Avoid
The shortcuts that leave a house drafty even after the work is finished.
Read the guideInsulation FAQ
Quick answers to the questions we get on every estimate.
Read the guideBy Area of Your Home
Heat escapes from specific places. Find yours.
Attic Insulation
The number-one priority in most homes we visit.
Read the guideBlown-In Attic Insulation
A thick, even blanket across the attic floor, often done in an afternoon.
Read the guideBlown-In Fiberglass
How loose-fill fiberglass performs in an attic.
Read the guideAttic Spray Foam
Sealing the attic with foam instead of blanketing the floor.
Read the guideChoosing Attic Insulation
Foam, blown-in, or batt — matching the material to your attic.
Read the guideAttic & Roof Installation
What actually happens on installation day.
Read the guideAttic Energy Savings
Where the savings from an attic job actually come from.
Read the guideAttic Mold & Moisture
Mold on the sheathing is usually an air-leak problem, not a roof problem.
Read the guideAttic Vents & Fans
Passive vents vs. powered fans, and when each makes sense.
Read the guideAttic Foil
Do radiant barriers work in a Northeast attic? An honest look.
Read the guideAttic Radiant Barrier
Reflecting summer heat before it reaches your ceiling.
Read the guideBasement Insulation
Cold floors and drafts often start below the living space.
Read the guideBasement Walls
Insulating foundation walls without trapping moisture.
Read the guideBasement Ceiling
Keeping an unheated basement from chilling the floor above.
Read the guideBasement Floor
Warming a cold slab from the ground up.
Read the guideBest Basement Materials
Spray foam, rigid board, mineral wool, and batt compared.
Read the guideBasement Pipes
Stop pipes from freezing, sweating, and wasting heat.
Read the guideCrawl Space Insulation
Where moisture and heat loss usually go hand in hand.
Read the guideBest Crawl Space Materials
What holds up in a damp, tight space, and what does not.
Read the guideFloor Above a Crawl Space
The fix for cold floors over an unconditioned crawl.
Read the guideSeal vs. Vent a Crawl Space
The decision that drives everything else down there.
Read the guideWet, Sagging Crawl Space Insulation
Drooping batts mean hidden moisture damage. Here is why.
Read the guideWall Insulation
Exterior and knee walls, especially in older homes.
Read the guideWall Spray Foam
Filling and sealing wall cavities in one step.
Read the guideWall Fiberglass
The economical choice for open, standard-framed walls.
Read the guideWall Rigid Foam
A continuous layer that stops heat escaping through the studs.
Read the guideRoof Insulation
Insulating at the roofline instead of the attic floor.
Read the guideAttic Roof
Bringing the attic inside the thermal envelope of the house.
Read the guideLoft & Cathedral Ceilings
Rooms with vaulted ceilings lose heat fast. The fix is tricky.
Read the guideGarage Insulation
An attached garage can pull cold and fumes into the house.
Read the guideGarage Ceiling
The cure for the freezing bonus room over the garage.
Read the guideUpgrading Garage Insulation
Bringing an older garage up to a useful standard.
Read the guideGarage Door
The largest uninsulated panel on most houses.
Read the guideGarage Walls
Especially the wall shared with your living space.
Read the guideFloor Insulation
Cold floors over a crawl space, garage, or porch.
Read the guideDuct Insulation
Heated air losing its heat before it ever reaches the room.
Read the guidePipe Insulation
Prevents frozen bursts, condensation, and standby heat loss.
Read the guideInsulation Types & Materials
No single product is best everywhere. Here is how each one actually performs.
All Insulation Types
The full lineup, side by side.
Read the guideSpray Foam Insulation
The highest-performing insulation we install.
Read the guideOpen-Cell Spray Foam
Softer and breathable, about R-3.5 to R-3.8 per inch.
Read the guideClosed-Cell Spray Foam
About R-6.88 per inch, plus an air and vapor barrier.
Read the guideOpen-Cell vs. Closed-Cell
Which foam belongs in which part of your house.
Read the guideSpray Foam Prices
What moves the number up or down.
Read the guideFiberglass Insulation
Reliable and economical at about R-3 to R-4 per inch.
Read the guideBatt Insulation
Pre-cut blankets for open, standard-framed cavities.
Read the guideCellulose Insulation
A dense, eco-friendly blown-in option.
Read the guideMineral Wool (Rockwool)
Adds real fire and sound resistance.
Read the guideRigid Foam Board
A continuous layer that beats thermal bridging.
Read the guideRadiant Barriers
Where reflective material helps, and where it does not.
Read the guideAsbestos & Vermiculite
Older homes may hide it. How to test and handle it safely.
Read the guideInsulation Materials Q&A
Straight answers on R-values and material choice.
Read the guideWorking vs. Inefficient
How to tell if the insulation you already have is doing its job.
Read the guideCompare, Save & Protect
Head-to-head comparisons, R-value guidance, and what insulation is worth long-term.
Spray Foam vs. Fiberglass vs. Cellulose
The three-way comparison, without the sales pitch.
Read the guideSpray Foam vs. Rigid Foam
R-value, cost, and the best use for each.
Read the guideUnderstanding R-Value
What the number means, and what it quietly leaves out.
Read the guideRecommended R-Values for NY & NJ
Attic, wall, and floor targets for our climate.
Read the guideAttic Insulation Guide
The complete homeowner walkthrough for attics.
Read the guideIs Spray Foam Safe?
A straight answer on cure times, off-gassing, and safety.
Read the guideYear-Round Energy Savings
Why good insulation pays in July as well as January.
Read the guideInsulation & Home Value
What it adds beyond the monthly bill.
Read the guideInsulating Older Homes
Working with what a hundred-year-old house gives you.
Read the guideAir Sealing
Insulation slows heat. Air sealing stops the leaks.
Read the guideFireplace & Chimney Drafts
A drafty fireplace can leak heat all winter long.
Read the guideBackdraft Dampers
Stopping cold air coming back in through exhaust vents.
Read the guideWeatherization
The whole-house approach that makes insulation perform.
Read the guideLet us look at your actual house.
Reading only gets you so far. A free energy audit shows you exactly where your home is losing heat — and we only recommend what will really help.