We can't tell you what insulation costs. We can tell you what bad insulation costs you every year — so when you get a quote, you'll know if it's worth it. Powered by Redo Energy.
1
Your Home
Used only for weather data, utility rates, and roof shape. Nothing is stored.
Select your utility to use its actual rate instead of the state average.
sq ft
Pre-1950
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
Don't know
Helps estimate insulation levels. If unknown, we'll use Census data for your ZIP code.
No
Yes
2
Your Roof & Attic
We'll auto-detect flat roofs from satellite data when available.
Yes — insulation is thin
No — insulation covers joists
Don't know / can't access
Standard 2×10 joists are 9.25" tall. If insulation doesn't reach the top, your attic is under-insulated.
Roof detected from satellite
Single pane
Double pane
Double low-E
Triple pane
Don't know
If unknown, we'll estimate based on your home's age and climate zone.
3
Your Energy Bills — what you actually pay
Gas
Oil
Propane
Electric
Heat Pump
$
Your fuel or electric bill during the coldest month.
New (0-5)
Mid (6-15)
Old (16-25)
25+
?
Oil billing works differently. Unlike gas or electric bills, heating oil is paid per delivery — typically a few times a year. Enter what you actually see on your invoices.
$
Your typical delivery bill. We’ll estimate gallons from the current local price.
× /yr
Most homes fill 3–6 times per year. Automatic delivery customers often fill 4–5×.
$
Leave blank to use the regional average.
New (0-5)
Mid (6-15)
Old (16-25)
25+
?
Estimated from your inputs
Implied annual spend
Propane billing works like oil. You’re billed per delivery, not monthly. Enter what you see on your invoices.
$
Your typical delivery bill. We’ll estimate gallons from the current local price.
× /yr
Most propane homes fill 3–5 times per year.
$
Leave blank to use the regional average.
New (0-5)
Mid (6-15)
Old (16-25)
25+
?
Estimated from your inputs
Implied annual spend
Central AC
Mini-split
Window units
None
$
Your electricity bill during the hottest month.
Yes — noticeably drafty
A little, near doors/windows
No — pretty tight
Drafts near doors, windows, outlets, or baseboards suggest air leakage may be a bigger factor than insulation.
Yes — closet, utility room, or finished basement
No — unfinished attic or garage
Unfinished basement
Don't know
Duct losses are much higher when ducts run through unconditioned space like an attic.
Advanced Options▼
$
A month with no heating or cooling (April or October). Helps separate cooling costs from baseline usage. If blank, we estimate from your home size and heating fuel type.
Yes
No / Don't know
Your Home's Effective Insulation
R-0
Effective R
Where Is Your Energy Going?
Estimated annual heating & cooling cost by component
Monthly Heating & Cooling Cost
Based on your bills and local weather data
Available Incentives
Programs that can reduce your out-of-pocket cost, based on your location.
Your household income
Many insulation programs are income-qualified. Select your household size and income range to see exactly which programs you qualify for.
Thresholds based on your state's median household income (Census ACS) and federal poverty guidelines by household size.
Upgrade Scenarios
What you could save by improving specific areas. Payback periods account for available incentives.