Know when every system in your building runs out.
CapexClock turns your building's roofs, HVAC, and water heaters into a 10-year replacement forecast and a monthly reserve number, so the next big expense isn't a surprise.
Maple St. Apartments · 12 units
10-year replacement forecast
Monthly reserve
$149 /unit/mo
The big expenses are predictable. Most owners just aren't tracking them.
Spreadsheets break as you add doors
Every new building means another tab, another set of formulas, and another place for a stale install year to hide.
Your PM software tracks rent, not roofs
It knows who paid in March. It has no idea your boiler is 22 years old.
You find out when a tenant calls
Without a forecast, the first sign a system is dead is a no-heat call in January and a bill you didn't reserve for.
How it works
- 1
Add your components
List each building's roofs, HVAC, water heaters, and more, with the year each was installed.
- 2
See what's due and when
Get a rolling 10-year replacement forecast, year by year, with estimated costs.
- 3
Know what to reserve
Get one number: about how much to set aside per unit, per month.
Free tools you can use today
No signup needed.
CapEx calculator
List your building's components and install years. Get a 10-year replacement forecast and a monthly reserve per unit.
Reserve calculator
Already know what's coming up? Enter each expense and when it's due to see what to set aside each month.
Component lifespans
How long roofs, furnaces, water heaters and 22 other components typically last, and the signs they're near the end.
Popular: How long does a roof last? · How long does a water heater last? · How long does a furnace last? · How long does a central AC last? · How long does a boiler last?
Get early access to what's next
The calculator is free to use today. We're deciding what to build next, like replacement reminders and a condition report for lenders and buyers. Join the list to hear first. Your answers help us build the right thing first.
Frequently asked questions
- Is it free?
- Yes. The calculator, saved properties and exports are free.
- Who is it for?
- Landlords with anything from a single rental to about 50 units. It works for bigger portfolios too.
- Do I need to connect my accounting software?
- No.
- Can I use it now?
- Yes. The calculator is open to everyone, and a free account saves your properties. We're deciding what to build next, like replacement reminders and a condition report for lenders and buyers. Join the early access list to hear first.
- Where does my data go?
- The free calculators work without an account. What you enter stays in your browser until you save it to an account. We don't sell your data or share it with advertisers.